prymula/com: DPF-Prymula-audioplugins/dpf/dgl/src/nanovg/fontstash.h annotate

annotate DPF-Prymula-audioplugins/dpf/dgl/src/nanovg/fontstash.h @ 7:bb29f1c89c99

immposiblerush-0.230919-0_PKG

author	prymula <prymula76@outlook.com>
date	Thu, 01 Feb 2024 21:49:30 +0100
parents	84e66ea83026
children

rev	line source
3 84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1 //
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	2 // Copyright (c) 2009-2013 Mikko Mononen memon@inside.org
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	3 //
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	4 // This software is provided 'as-is', without any express or implied
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	5 // warranty. In no event will the authors be held liable for any damages
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	6 // arising from the use of this software.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	7 // Permission is granted to anyone to use this software for any purpose,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	8 // including commercial applications, and to alter it and redistribute it
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	9 // freely, subject to the following restrictions:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	10 // 1. The origin of this software must not be misrepresented; you must not
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	11 // claim that you wrote the original software. If you use this software
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	12 // in a product, an acknowledgment in the product documentation would be
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	13 // appreciated but is not required.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	14 // 2. Altered source versions must be plainly marked as such, and must not be
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	15 // misrepresented as being the original software.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	16 // 3. This notice may not be removed or altered from any source distribution.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	17 //
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	18
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	19 #ifndef FONS_H
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	20 #define FONS_H
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	21
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	22 #define FONS_INVALID -1
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	23
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	24 enum FONSflags {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	25 FONS_ZERO_TOPLEFT = 1,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	26 FONS_ZERO_BOTTOMLEFT = 2,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	27 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	28
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	29 enum FONSalign {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	30 // Horizontal align
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	31 FONS_ALIGN_LEFT = 1<<0, // Default
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	32 FONS_ALIGN_CENTER = 1<<1,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	33 FONS_ALIGN_RIGHT = 1<<2,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	34 // Vertical align
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	35 FONS_ALIGN_TOP = 1<<3,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	36 FONS_ALIGN_MIDDLE = 1<<4,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	37 FONS_ALIGN_BOTTOM = 1<<5,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	38 FONS_ALIGN_BASELINE = 1<<6, // Default
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	39 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	40
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	41 enum FONSglyphBitmap {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	42 FONS_GLYPH_BITMAP_OPTIONAL = 1,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	43 FONS_GLYPH_BITMAP_REQUIRED = 2,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	44 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	45
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	46 enum FONSerrorCode {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	47 // Font atlas is full.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	48 FONS_ATLAS_FULL = 1,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	49 // Scratch memory used to render glyphs is full, requested size reported in 'val', you may need to bump up FONS_SCRATCH_BUF_SIZE.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	50 FONS_SCRATCH_FULL = 2,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	51 // Calls to fonsPushState has created too large stack, if you need deep state stack bump up FONS_MAX_STATES.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	52 FONS_STATES_OVERFLOW = 3,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	53 // Trying to pop too many states fonsPopState().
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	54 FONS_STATES_UNDERFLOW = 4,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	55 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	56
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	57 struct FONSparams {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	58 int width, height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	59 unsigned char flags;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	60 void* userPtr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	61 int (renderCreate)(void uptr, int width, int height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	62 int (renderResize)(void uptr, int width, int height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	63 void (renderUpdate)(void uptr, int* rect, const unsigned char* data);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	64 void (renderDraw)(void uptr, const float* verts, const float* tcoords, const unsigned int* colors, int nverts);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	65 void (renderDelete)(void uptr);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	66 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	67 typedef struct FONSparams FONSparams;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	68
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	69 struct FONSquad
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	70 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	71 float x0,y0,s0,t0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	72 float x1,y1,s1,t1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	73 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	74 typedef struct FONSquad FONSquad;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	75
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	76 struct FONStextIter {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	77 float x, y, nextx, nexty, scale, spacing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	78 unsigned int codepoint;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	79 short isize, iblur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	80 struct FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	81 int prevGlyphIndex;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	82 const char* str;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	83 const char* next;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	84 const char* end;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	85 unsigned int utf8state;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	86 int bitmapOption;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	87 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	88 typedef struct FONStextIter FONStextIter;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	89
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	90 typedef struct FONScontext FONScontext;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	91
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	92 // Constructor and destructor.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	93 FONScontext* fonsCreateInternal(FONSparams* params);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	94 void fonsDeleteInternal(FONScontext* s);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	95
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	96 void fonsSetErrorCallback(FONScontext* s, void (callback)(void uptr, int error, int val), void* uptr);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	97 // Returns current atlas size.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	98 void fonsGetAtlasSize(FONScontext* s, int* width, int* height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	99 // Expands the atlas size.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	100 int fonsExpandAtlas(FONScontext* s, int width, int height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	101 // Resets the whole stash.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	102 int fonsResetAtlas(FONScontext* stash, int width, int height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	103
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	104 // Add fonts
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	105 int fonsAddFont(FONScontext* s, const char* name, const char* path, int fontIndex);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	106 int fonsAddFontMem(FONScontext* s, const char* name, unsigned char* data, int ndata, int freeData, int fontIndex);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	107 int fonsGetFontByName(FONScontext* s, const char* name);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	108
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	109 // State handling
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	110 void fonsPushState(FONScontext* s);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	111 void fonsPopState(FONScontext* s);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	112 void fonsClearState(FONScontext* s);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	113
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	114 // State setting
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	115 void fonsSetSize(FONScontext* s, float size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	116 void fonsSetColor(FONScontext* s, unsigned int color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	117 void fonsSetSpacing(FONScontext* s, float spacing);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	118 void fonsSetBlur(FONScontext* s, float blur);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	119 void fonsSetAlign(FONScontext* s, int align);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	120 void fonsSetFont(FONScontext* s, int font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	121
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	122 // Draw text
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	123 float fonsDrawText(FONScontext* s, float x, float y, const char* string, const char* end);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	124
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	125 // Measure text
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	126 float fonsTextBounds(FONScontext* s, float x, float y, const char* string, const char* end, float* bounds);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	127 void fonsLineBounds(FONScontext* s, float y, float* miny, float* maxy);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	128 void fonsVertMetrics(FONScontext* s, float* ascender, float* descender, float* lineh);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	129
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	130 // Text iterator
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	131 int fonsTextIterInit(FONScontext* stash, FONStextIter* iter, float x, float y, const char* str, const char* end, int bitmapOption);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	132 int fonsTextIterNext(FONScontext* stash, FONStextIter* iter, struct FONSquad* quad);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	133
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	134 // Pull texture changes
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	135 const unsigned char* fonsGetTextureData(FONScontext* stash, int* width, int* height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	136 int fonsValidateTexture(FONScontext* s, int* dirty);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	137
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	138 // Draws the stash texture for debugging
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	139 void fonsDrawDebug(FONScontext* s, float x, float y);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	140
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	141 #endif // FONTSTASH_H
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	142
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	143
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	144 #ifdef FONTSTASH_IMPLEMENTATION
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	145
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	146 #define FONS_NOTUSED(v) (void)sizeof(v)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	147
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	148 #ifdef FONS_USE_FREETYPE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	149
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	150 #include <ft2build.h>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	151 #include FT_FREETYPE_H
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	152 #include FT_ADVANCES_H
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	153 #include <math.h>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	154
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	155 struct FONSttFontImpl {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	156 FT_Face font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	157 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	158 typedef struct FONSttFontImpl FONSttFontImpl;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	159
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	160 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	161
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	162 #define STB_TRUETYPE_IMPLEMENTATION
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	163 static void* fons__tmpalloc(size_t size, void* up);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	164 static void fons__tmpfree(void* ptr, void* up);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	165 #define STBTT_malloc(x,u) fons__tmpalloc(x,u)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	166 #define STBTT_free(x,u) fons__tmpfree(x,u)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	167 #include "stb_truetype.h"
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	168
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	169 struct FONSttFontImpl {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	170 stbtt_fontinfo font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	171 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	172 typedef struct FONSttFontImpl FONSttFontImpl;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	173
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	174 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	175
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	176 #ifndef FONS_SCRATCH_BUF_SIZE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	177 # define FONS_SCRATCH_BUF_SIZE 96000
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	178 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	179 #ifndef FONS_HASH_LUT_SIZE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	180 # define FONS_HASH_LUT_SIZE 256
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	181 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	182 #ifndef FONS_INIT_FONTS
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	183 # define FONS_INIT_FONTS 4
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	184 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	185 #ifndef FONS_INIT_GLYPHS
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	186 # define FONS_INIT_GLYPHS 256
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	187 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	188 #ifndef FONS_INIT_ATLAS_NODES
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	189 # define FONS_INIT_ATLAS_NODES 256
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	190 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	191 #ifndef FONS_VERTEX_COUNT
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	192 # define FONS_VERTEX_COUNT 1024
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	193 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	194 #ifndef FONS_MAX_STATES
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	195 # define FONS_MAX_STATES 20
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	196 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	197 #ifndef FONS_MAX_FALLBACKS
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	198 # define FONS_MAX_FALLBACKS 20
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	199 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	200
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	201 static unsigned int fons__hashint(unsigned int a)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	202 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	203 a += ~(a<<15);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	204 a ^= (a>>10);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	205 a += (a<<3);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	206 a ^= (a>>6);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	207 a += ~(a<<11);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	208 a ^= (a>>16);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	209 return a;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	210 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	211
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	212 static int fons__mini(int a, int b)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	213 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	214 return a < b ? a : b;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	215 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	216
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	217 static int fons__maxi(int a, int b)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	218 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	219 return a > b ? a : b;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	220 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	221
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	222 struct FONSglyph
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	223 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	224 unsigned int codepoint;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	225 int index;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	226 int next;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	227 short size, blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	228 short x0,y0,x1,y1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	229 short xadv,xoff,yoff;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	230 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	231 typedef struct FONSglyph FONSglyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	232
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	233 struct FONSfont
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	234 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	235 FONSttFontImpl font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	236 char name[64];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	237 unsigned char* data;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	238 int dataSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	239 unsigned char freeData;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	240 float ascender;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	241 float descender;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	242 float lineh;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	243 FONSglyph* glyphs;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	244 int cglyphs;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	245 int nglyphs;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	246 int lut[FONS_HASH_LUT_SIZE];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	247 int fallbacks[FONS_MAX_FALLBACKS];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	248 int nfallbacks;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	249 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	250 typedef struct FONSfont FONSfont;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	251
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	252 struct FONSstate
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	253 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	254 int font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	255 int align;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	256 float size;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	257 unsigned int color;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	258 float blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	259 float spacing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	260 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	261 typedef struct FONSstate FONSstate;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	262
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	263 struct FONSatlasNode {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	264 short x, y, width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	265 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	266 typedef struct FONSatlasNode FONSatlasNode;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	267
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	268 struct FONSatlas
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	269 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	270 int width, height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	271 FONSatlasNode* nodes;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	272 int nnodes;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	273 int cnodes;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	274 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	275 typedef struct FONSatlas FONSatlas;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	276
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	277 struct FONScontext
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	278 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	279 FONSparams params;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	280 float itw,ith;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	281 unsigned char* texData;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	282 int dirtyRect[4];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	283 FONSfont** fonts;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	284 FONSatlas* atlas;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	285 int cfonts;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	286 int nfonts;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	287 float verts[FONS_VERTEX_COUNT*2];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	288 float tcoords[FONS_VERTEX_COUNT*2];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	289 unsigned int colors[FONS_VERTEX_COUNT];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	290 int nverts;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	291 unsigned char* scratch;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	292 int nscratch;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	293 FONSstate states[FONS_MAX_STATES];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	294 int nstates;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	295 void (handleError)(void uptr, int error, int val);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	296 void* errorUptr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	297 #ifdef FONS_USE_FREETYPE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	298 FT_Library ftLibrary;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	299 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	300 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	301
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	302 #ifdef FONS_USE_FREETYPE
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	303
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	304 int fons__tt_init(FONScontext *context)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	305 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	306 FT_Error ftError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	307 ftError = FT_Init_FreeType(&context->ftLibrary);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	308 return ftError == 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	309 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	310
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	311 int fons__tt_done(FONScontext *context)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	312 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	313 FT_Error ftError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	314 ftError = FT_Done_FreeType(context->ftLibrary);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	315 return ftError == 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	316 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	317
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	318 int fons__tt_loadFont(FONScontext context, FONSttFontImpl font, unsigned char *data, int dataSize, int fontIndex)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	319 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	320 FT_Error ftError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	321
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	322 //font->font.userdata = stash;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	323 ftError = FT_New_Memory_Face(context->ftLibrary, (const FT_Byte*)data, dataSize, fontIndex, &font->font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	324 return ftError == 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	325 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	326
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	327 void fons__tt_getFontVMetrics(FONSttFontImpl font, int ascent, int descent, int lineGap)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	328 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	329 *ascent = font->font->ascender;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	330 *descent = font->font->descender;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	331 lineGap = font->font->height - (ascent - *descent);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	332 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	333
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	334 float fons__tt_getPixelHeightScale(FONSttFontImpl *font, float size)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	335 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	336 #if 1
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	337 // Note(DPF) maintain pixel-based units for compat after nanovg update
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	338 return size / (font->font->ascender - font->font->descender);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	339 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	340 return size / font->font->units_per_EM;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	341 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	342 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	343
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	344 int fons__tt_getGlyphIndex(FONSttFontImpl *font, int codepoint)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	345 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	346 return FT_Get_Char_Index(font->font, codepoint);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	347 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	348
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	349 int fons__tt_buildGlyphBitmap(FONSttFontImpl *font, int glyph, float size, float scale,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	350 int advance, int lsb, int x0, int y0, int x1, int y1)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	351 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	352 FT_Error ftError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	353 FT_GlyphSlot ftGlyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	354 FT_Fixed advFixed;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	355 FONS_NOTUSED(scale);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	356
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	357 #if 1
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	358 // Note(DPF) maintain pixel-based units for compat after nanovg update
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	359 ftError = FT_Set_Pixel_Sizes(font->font, 0, (FT_UInt)(size * (float)font->font->units_per_EM / (float)(font->font->ascender - font->font->descender)));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	360 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	361 ftError = FT_Set_Pixel_Sizes(font->font, 0, size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	362 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	363 if (ftError) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	364 #if 1
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	365 // Note(DPF) maintain pixel-based units for compat after nanovg update
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	366 ftError = FT_Load_Glyph(font->font, glyph, FT_LOAD_RENDER);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	367 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	368 ftError = FT_Load_Glyph(font->font, glyph, FT_LOAD_RENDER \| FT_LOAD_FORCE_AUTOHINT);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	369 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	370 if (ftError) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	371 ftError = FT_Get_Advance(font->font, glyph, FT_LOAD_NO_SCALE, &advFixed);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	372 if (ftError) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	373 ftGlyph = font->font->glyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	374 *advance = (int)advFixed;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	375 *lsb = (int)ftGlyph->metrics.horiBearingX;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	376 *x0 = ftGlyph->bitmap_left;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	377 x1 = x0 + ftGlyph->bitmap.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	378 *y0 = -ftGlyph->bitmap_top;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	379 y1 = y0 + ftGlyph->bitmap.rows;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	380 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	381 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	382
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	383 void fons__tt_renderGlyphBitmap(FONSttFontImpl font, unsigned char output, int outWidth, int outHeight, int outStride,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	384 float scaleX, float scaleY, int glyph)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	385 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	386 FT_GlyphSlot ftGlyph = font->font->glyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	387 int ftGlyphOffset = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	388 unsigned int x, y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	389 FONS_NOTUSED(outWidth);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	390 FONS_NOTUSED(outHeight);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	391 FONS_NOTUSED(scaleX);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	392 FONS_NOTUSED(scaleY);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	393 FONS_NOTUSED(glyph); // glyph has already been loaded by fons__tt_buildGlyphBitmap
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	394
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	395 for ( y = 0; y < ftGlyph->bitmap.rows; y++ ) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	396 for ( x = 0; x < ftGlyph->bitmap.width; x++ ) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	397 output[(y * outStride) + x] = ftGlyph->bitmap.buffer[ftGlyphOffset++];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	398 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	399 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	400 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	401
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	402 int fons__tt_getGlyphKernAdvance(FONSttFontImpl *font, int glyph1, int glyph2)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	403 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	404 FT_Vector ftKerning;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	405 FT_Get_Kerning(font->font, glyph1, glyph2, FT_KERNING_DEFAULT, &ftKerning);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	406 return (int)((ftKerning.x + 32) >> 6); // Round up and convert to integer
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	407 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	408
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	409 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	410
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	411 int fons__tt_init(FONScontext *context)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	412 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	413 FONS_NOTUSED(context);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	414 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	415 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	416
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	417 int fons__tt_done(FONScontext *context)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	418 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	419 FONS_NOTUSED(context);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	420 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	421 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	422
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	423 int fons__tt_loadFont(FONScontext context, FONSttFontImpl font, unsigned char *data, int dataSize, int fontIndex)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	424 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	425 int offset, stbError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	426 FONS_NOTUSED(dataSize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	427
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	428 font->font.userdata = context;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	429 offset = stbtt_GetFontOffsetForIndex(data, fontIndex);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	430 if (offset == -1) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	431 stbError = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	432 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	433 stbError = stbtt_InitFont(&font->font, data, offset);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	434 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	435 return stbError;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	436 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	437
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	438 void fons__tt_getFontVMetrics(FONSttFontImpl font, int ascent, int descent, int lineGap)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	439 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	440 stbtt_GetFontVMetrics(&font->font, ascent, descent, lineGap);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	441 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	442
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	443 float fons__tt_getPixelHeightScale(FONSttFontImpl *font, float size)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	444 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	445 #if 1
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	446 // Note(DPF) maintain pixel-based units for compat after nanovg update
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	447 return stbtt_ScaleForPixelHeight(&font->font, size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	448 #else
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	449 return stbtt_ScaleForMappingEmToPixels(&font->font, size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	450 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	451 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	452
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	453 int fons__tt_getGlyphIndex(FONSttFontImpl *font, int codepoint)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	454 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	455 return stbtt_FindGlyphIndex(&font->font, codepoint);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	456 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	457
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	458 int fons__tt_buildGlyphBitmap(FONSttFontImpl *font, int glyph, float size, float scale,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	459 int advance, int lsb, int x0, int y0, int x1, int y1)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	460 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	461 FONS_NOTUSED(size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	462 stbtt_GetGlyphHMetrics(&font->font, glyph, advance, lsb);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	463 stbtt_GetGlyphBitmapBox(&font->font, glyph, scale, scale, x0, y0, x1, y1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	464 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	465 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	466
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	467 void fons__tt_renderGlyphBitmap(FONSttFontImpl font, unsigned char output, int outWidth, int outHeight, int outStride,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	468 float scaleX, float scaleY, int glyph)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	469 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	470 stbtt_MakeGlyphBitmap(&font->font, output, outWidth, outHeight, outStride, scaleX, scaleY, glyph);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	471 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	472
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	473 int fons__tt_getGlyphKernAdvance(FONSttFontImpl *font, int glyph1, int glyph2)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	474 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	475 return stbtt_GetGlyphKernAdvance(&font->font, glyph1, glyph2);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	476 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	477
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	478 #endif
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	479
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	480 #ifdef STB_TRUETYPE_IMPLEMENTATION
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	481
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	482 static void* fons__tmpalloc(size_t size, void* up)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	483 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	484 unsigned char* ptr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	485 FONScontext* stash = (FONScontext*)up;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	486
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	487 // 16-byte align the returned pointer
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	488 size = (size + 0xf) & ~0xf;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	489
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	490 if (stash->nscratch+(int)size > FONS_SCRATCH_BUF_SIZE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	491 if (stash->handleError)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	492 stash->handleError(stash->errorUptr, FONS_SCRATCH_FULL, stash->nscratch+(int)size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	493 return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	494 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	495 ptr = stash->scratch + stash->nscratch;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	496 stash->nscratch += (int)size;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	497 return ptr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	498 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	499
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	500 static void fons__tmpfree(void* ptr, void* up)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	501 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	502 (void)ptr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	503 (void)up;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	504 // empty
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	505 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	506
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	507 #endif // STB_TRUETYPE_IMPLEMENTATION
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	508
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	509 // Copyright (c) 2008-2010 Bjoern Hoehrmann <bjoern@hoehrmann.de>
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	510 // See http://bjoern.hoehrmann.de/utf-8/decoder/dfa/ for details.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	511
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	512 #define FONS_UTF8_ACCEPT 0
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	513 #define FONS_UTF8_REJECT 12
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	514
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	515 static unsigned int fons__decutf8(unsigned int* state, unsigned int* codep, unsigned int byte)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	516 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	517 static const unsigned char utf8d[] = {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	518 // The first part of the table maps bytes to character classes that
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	519 // to reduce the size of the transition table and create bitmasks.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	520 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	521 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	522 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	523 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	524 1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1, 9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,9,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	525 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7, 7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	526 8,8,2,2,2,2,2,2,2,2,2,2,2,2,2,2, 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	527 10,3,3,3,3,3,3,3,3,3,3,3,3,4,3,3, 11,6,6,6,5,8,8,8,8,8,8,8,8,8,8,8,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	528
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	529 // The second part is a transition table that maps a combination
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	530 // of a state of the automaton and a character class to a state.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	531 0,12,24,36,60,96,84,12,12,12,48,72, 12,12,12,12,12,12,12,12,12,12,12,12,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	532 12, 0,12,12,12,12,12, 0,12, 0,12,12, 12,24,12,12,12,12,12,24,12,24,12,12,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	533 12,12,12,12,12,12,12,24,12,12,12,12, 12,24,12,12,12,12,12,12,12,24,12,12,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	534 12,12,12,12,12,12,12,36,12,36,12,12, 12,36,12,12,12,12,12,36,12,36,12,12,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	535 12,36,12,12,12,12,12,12,12,12,12,12,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	536 };
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	537
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	538 unsigned int type = utf8d[byte];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	539
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	540 codep = (state != FONS_UTF8_ACCEPT) ?
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	541 (byte & 0x3fu) \| (*codep << 6) :
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	542 (0xff >> type) & (byte);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	543
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	544 state = utf8d[256 + state + type];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	545 return *state;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	546 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	547
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	548 // Atlas based on Skyline Bin Packer by Jukka Jylänki
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	549
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	550 static void fons__deleteAtlas(FONSatlas* atlas)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	551 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	552 if (atlas == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	553 if (atlas->nodes != NULL) free(atlas->nodes);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	554 free(atlas);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	555 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	556
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	557 static FONSatlas* fons__allocAtlas(int w, int h, int nnodes)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	558 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	559 FONSatlas* atlas = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	560
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	561 // Allocate memory for the font stash.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	562 atlas = (FONSatlas*)malloc(sizeof(FONSatlas));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	563 if (atlas == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	564 memset(atlas, 0, sizeof(FONSatlas));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	565
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	566 atlas->width = w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	567 atlas->height = h;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	568
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	569 // Allocate space for skyline nodes
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	570 atlas->nodes = (FONSatlasNode)malloc(sizeof(FONSatlasNode) nnodes);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	571 if (atlas->nodes == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	572 memset(atlas->nodes, 0, sizeof(FONSatlasNode) * nnodes);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	573 atlas->nnodes = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	574 atlas->cnodes = nnodes;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	575
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	576 // Init root node.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	577 atlas->nodes[0].x = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	578 atlas->nodes[0].y = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	579 atlas->nodes[0].width = (short)w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	580 atlas->nnodes++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	581
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	582 return atlas;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	583
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	584 error:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	585 if (atlas) fons__deleteAtlas(atlas);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	586 return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	587 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	588
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	589 static int fons__atlasInsertNode(FONSatlas* atlas, int idx, int x, int y, int w)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	590 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	591 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	592 // Insert node
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	593 if (atlas->nnodes+1 > atlas->cnodes) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	594 atlas->cnodes = atlas->cnodes == 0 ? 8 : atlas->cnodes * 2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	595 atlas->nodes = (FONSatlasNode)realloc(atlas->nodes, sizeof(FONSatlasNode) atlas->cnodes);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	596 if (atlas->nodes == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	597 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	598 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	599 for (i = atlas->nnodes; i > idx; i--)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	600 atlas->nodes[i] = atlas->nodes[i-1];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	601 atlas->nodes[idx].x = (short)x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	602 atlas->nodes[idx].y = (short)y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	603 atlas->nodes[idx].width = (short)w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	604 atlas->nnodes++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	605
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	606 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	607 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	608
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	609 static void fons__atlasRemoveNode(FONSatlas* atlas, int idx)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	610 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	611 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	612 if (atlas->nnodes == 0) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	613 for (i = idx; i < atlas->nnodes-1; i++)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	614 atlas->nodes[i] = atlas->nodes[i+1];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	615 atlas->nnodes--;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	616 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	617
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	618 static void fons__atlasExpand(FONSatlas* atlas, int w, int h)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	619 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	620 // Insert node for empty space
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	621 if (w > atlas->width)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	622 fons__atlasInsertNode(atlas, atlas->nnodes, atlas->width, 0, w - atlas->width);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	623 atlas->width = w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	624 atlas->height = h;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	625 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	626
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	627 static void fons__atlasReset(FONSatlas* atlas, int w, int h)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	628 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	629 atlas->width = w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	630 atlas->height = h;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	631 atlas->nnodes = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	632
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	633 // Init root node.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	634 atlas->nodes[0].x = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	635 atlas->nodes[0].y = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	636 atlas->nodes[0].width = (short)w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	637 atlas->nnodes++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	638 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	639
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	640 static int fons__atlasAddSkylineLevel(FONSatlas* atlas, int idx, int x, int y, int w, int h)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	641 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	642 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	643
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	644 // Insert new node
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	645 if (fons__atlasInsertNode(atlas, idx, x, y+h, w) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	646 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	647
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	648 // Delete skyline segments that fall under the shadow of the new segment.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	649 for (i = idx+1; i < atlas->nnodes; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	650 if (atlas->nodes[i].x < atlas->nodes[i-1].x + atlas->nodes[i-1].width) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	651 int shrink = atlas->nodes[i-1].x + atlas->nodes[i-1].width - atlas->nodes[i].x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	652 atlas->nodes[i].x += (short)shrink;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	653 atlas->nodes[i].width -= (short)shrink;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	654 if (atlas->nodes[i].width <= 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	655 fons__atlasRemoveNode(atlas, i);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	656 i--;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	657 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	658 break;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	659 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	660 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	661 break;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	662 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	663 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	664
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	665 // Merge same height skyline segments that are next to each other.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	666 for (i = 0; i < atlas->nnodes-1; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	667 if (atlas->nodes[i].y == atlas->nodes[i+1].y) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	668 atlas->nodes[i].width += atlas->nodes[i+1].width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	669 fons__atlasRemoveNode(atlas, i+1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	670 i--;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	671 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	672 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	673
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	674 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	675 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	676
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	677 static int fons__atlasRectFits(FONSatlas* atlas, int i, int w, int h)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	678 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	679 // Checks if there is enough space at the location of skyline span 'i',
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	680 // and return the max height of all skyline spans under that at that location,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	681 // (think tetris block being dropped at that position). Or -1 if no space found.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	682 int x = atlas->nodes[i].x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	683 int y = atlas->nodes[i].y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	684 int spaceLeft;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	685 if (x + w > atlas->width)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	686 return -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	687 spaceLeft = w;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	688 while (spaceLeft > 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	689 if (i == atlas->nnodes) return -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	690 y = fons__maxi(y, atlas->nodes[i].y);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	691 if (y + h > atlas->height) return -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	692 spaceLeft -= atlas->nodes[i].width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	693 ++i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	694 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	695 return y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	696 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	697
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	698 static int fons__atlasAddRect(FONSatlas* atlas, int rw, int rh, int* rx, int* ry)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	699 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	700 int besth = atlas->height, bestw = atlas->width, besti = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	701 int bestx = -1, besty = -1, i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	702
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	703 // Bottom left fit heuristic.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	704 for (i = 0; i < atlas->nnodes; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	705 int y = fons__atlasRectFits(atlas, i, rw, rh);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	706 if (y != -1) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	707 if (y + rh < besth \|\| (y + rh == besth && atlas->nodes[i].width < bestw)) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	708 besti = i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	709 bestw = atlas->nodes[i].width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	710 besth = y + rh;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	711 bestx = atlas->nodes[i].x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	712 besty = y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	713 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	714 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	715 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	716
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	717 if (besti == -1)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	718 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	719
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	720 // Perform the actual packing.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	721 if (fons__atlasAddSkylineLevel(atlas, besti, bestx, besty, rw, rh) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	722 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	723
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	724 *rx = bestx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	725 *ry = besty;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	726
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	727 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	728 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	729
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	730 static void fons__addWhiteRect(FONScontext* stash, int w, int h)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	731 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	732 int x, y, gx, gy;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	733 unsigned char* dst;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	734 if (fons__atlasAddRect(stash->atlas, w, h, &gx, &gy) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	735 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	736
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	737 // Rasterize
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	738 dst = &stash->texData[gx + gy * stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	739 for (y = 0; y < h; y++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	740 for (x = 0; x < w; x++)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	741 dst[x] = 0xff;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	742 dst += stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	743 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	744
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	745 stash->dirtyRect[0] = fons__mini(stash->dirtyRect[0], gx);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	746 stash->dirtyRect[1] = fons__mini(stash->dirtyRect[1], gy);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	747 stash->dirtyRect[2] = fons__maxi(stash->dirtyRect[2], gx+w);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	748 stash->dirtyRect[3] = fons__maxi(stash->dirtyRect[3], gy+h);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	749 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	750
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	751 FONScontext* fonsCreateInternal(FONSparams* params)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	752 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	753 FONScontext* stash = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	754
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	755 // Allocate memory for the font stash.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	756 stash = (FONScontext*)malloc(sizeof(FONScontext));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	757 if (stash == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	758 memset(stash, 0, sizeof(FONScontext));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	759
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	760 stash->params = *params;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	761
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	762 // Allocate scratch buffer.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	763 stash->scratch = (unsigned char*)malloc(FONS_SCRATCH_BUF_SIZE);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	764 if (stash->scratch == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	765
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	766 // Initialize implementation library
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	767 if (!fons__tt_init(stash)) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	768
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	769 if (stash->params.renderCreate != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	770 if (stash->params.renderCreate(stash->params.userPtr, stash->params.width, stash->params.height) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	771 goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	772 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	773
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	774 stash->atlas = fons__allocAtlas(stash->params.width, stash->params.height, FONS_INIT_ATLAS_NODES);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	775 if (stash->atlas == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	776
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	777 // Allocate space for fonts.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	778 stash->fonts = (FONSfont*)malloc(sizeof(FONSfont) * FONS_INIT_FONTS);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	779 if (stash->fonts == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	780 memset(stash->fonts, 0, sizeof(FONSfont) FONS_INIT_FONTS);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	781 stash->cfonts = FONS_INIT_FONTS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	782 stash->nfonts = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	783
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	784 // Create texture for the cache.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	785 stash->itw = 1.0f/stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	786 stash->ith = 1.0f/stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	787 stash->texData = (unsigned char)malloc(stash->params.width stash->params.height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	788 if (stash->texData == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	789 memset(stash->texData, 0, stash->params.width * stash->params.height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	790
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	791 stash->dirtyRect[0] = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	792 stash->dirtyRect[1] = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	793 stash->dirtyRect[2] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	794 stash->dirtyRect[3] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	795
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	796 // Add white rect at 0,0 for debug drawing.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	797 fons__addWhiteRect(stash, 2,2);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	798
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	799 fonsPushState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	800 fonsClearState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	801
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	802 return stash;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	803
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	804 error:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	805 fonsDeleteInternal(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	806 return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	807 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	808
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	809 static FONSstate* fons__getState(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	810 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	811 return &stash->states[stash->nstates-1];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	812 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	813
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	814 int fonsAddFallbackFont(FONScontext* stash, int base, int fallback)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	815 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	816 FONSfont* baseFont = stash->fonts[base];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	817 if (baseFont->nfallbacks < FONS_MAX_FALLBACKS) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	818 baseFont->fallbacks[baseFont->nfallbacks++] = fallback;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	819 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	820 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	821 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	822 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	823
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	824 void fonsResetFallbackFont(FONScontext* stash, int base)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	825 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	826 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	827
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	828 FONSfont* baseFont = stash->fonts[base];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	829 baseFont->nfallbacks = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	830 baseFont->nglyphs = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	831 for (i = 0; i < FONS_HASH_LUT_SIZE; i++)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	832 baseFont->lut[i] = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	833 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	834
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	835 void fonsSetSize(FONScontext* stash, float size)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	836 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	837 fons__getState(stash)->size = size;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	838 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	839
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	840 void fonsSetColor(FONScontext* stash, unsigned int color)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	841 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	842 fons__getState(stash)->color = color;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	843 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	844
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	845 void fonsSetSpacing(FONScontext* stash, float spacing)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	846 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	847 fons__getState(stash)->spacing = spacing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	848 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	849
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	850 void fonsSetBlur(FONScontext* stash, float blur)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	851 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	852 fons__getState(stash)->blur = blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	853 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	854
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	855 void fonsSetAlign(FONScontext* stash, int align)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	856 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	857 fons__getState(stash)->align = align;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	858 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	859
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	860 void fonsSetFont(FONScontext* stash, int font)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	861 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	862 fons__getState(stash)->font = font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	863 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	864
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	865 void fonsPushState(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	866 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	867 if (stash->nstates >= FONS_MAX_STATES) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	868 if (stash->handleError)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	869 stash->handleError(stash->errorUptr, FONS_STATES_OVERFLOW, 0);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	870 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	871 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	872 if (stash->nstates > 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	873 memcpy(&stash->states[stash->nstates], &stash->states[stash->nstates-1], sizeof(FONSstate));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	874 stash->nstates++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	875 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	876
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	877 void fonsPopState(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	878 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	879 if (stash->nstates <= 1) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	880 if (stash->handleError)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	881 stash->handleError(stash->errorUptr, FONS_STATES_UNDERFLOW, 0);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	882 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	883 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	884 stash->nstates--;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	885 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	886
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	887 void fonsClearState(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	888 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	889 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	890 state->size = 12.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	891 state->color = 0xffffffff;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	892 state->font = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	893 state->blur = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	894 state->spacing = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	895 state->align = FONS_ALIGN_LEFT \| FONS_ALIGN_BASELINE;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	896 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	897
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	898 static void fons__freeFont(FONSfont* font)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	899 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	900 if (font == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	901 if (font->glyphs) free(font->glyphs);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	902 if (font->freeData && font->data) free(font->data);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	903 free(font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	904 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	905
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	906 static int fons__allocFont(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	907 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	908 FONSfont* font = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	909 if (stash->nfonts+1 > stash->cfonts) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	910 stash->cfonts = stash->cfonts == 0 ? 8 : stash->cfonts * 2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	911 stash->fonts = (FONSfont*)realloc(stash->fonts, sizeof(FONSfont) * stash->cfonts);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	912 if (stash->fonts == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	913 return -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	914 for (int i=stash->nfonts; i<stash->cfonts; ++i)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	915 stash->fonts[i] = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	916 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	917 font = (FONSfont*)malloc(sizeof(FONSfont));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	918 if (font == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	919 memset(font, 0, sizeof(FONSfont));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	920
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	921 font->glyphs = (FONSglyph)malloc(sizeof(FONSglyph) FONS_INIT_GLYPHS);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	922 if (font->glyphs == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	923 font->cglyphs = FONS_INIT_GLYPHS;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	924 font->nglyphs = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	925
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	926 stash->fonts[stash->nfonts++] = font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	927 return stash->nfonts-1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	928
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	929 error:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	930 fons__freeFont(font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	931
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	932 return FONS_INVALID;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	933 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	934
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	935 int fonsAddFont(FONScontext* stash, const char* name, const char* path, int fontIndex)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	936 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	937 FILE* fp = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	938 int dataSize = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	939 size_t readed;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	940 unsigned char* data = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	941
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	942 // Read in the font data.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	943 fp = fopen(path, "rb");
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	944 if (fp == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	945 fseek(fp,0,SEEK_END);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	946 dataSize = (int)ftell(fp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	947 fseek(fp,0,SEEK_SET);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	948 data = (unsigned char*)malloc(dataSize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	949 if (data == NULL) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	950 readed = fread(data, 1, dataSize, fp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	951 fclose(fp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	952 fp = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	953 if (readed != (size_t)dataSize) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	954
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	955 return fonsAddFontMem(stash, name, data, dataSize, 1, fontIndex);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	956
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	957 error:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	958 if (data) free(data);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	959 if (fp) fclose(fp);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	960 return FONS_INVALID;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	961 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	962
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	963 int fonsAddFontMem(FONScontext* stash, const char* name, unsigned char* data, int dataSize, int freeData, int fontIndex)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	964 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	965 int i, ascent, descent, fh, lineGap;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	966 FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	967
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	968 int idx = fons__allocFont(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	969 if (idx == FONS_INVALID)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	970 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	971 if (freeData && data) free(data);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	972 return FONS_INVALID;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	973 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	974
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	975 font = stash->fonts[idx];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	976
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	977 strncpy(font->name, name, sizeof(font->name));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	978 font->name[sizeof(font->name)-1] = '\0';
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	979
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	980 // Init hash lookup.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	981 for (i = 0; i < FONS_HASH_LUT_SIZE; ++i)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	982 font->lut[i] = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	983
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	984 // Read in the font data.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	985 font->dataSize = dataSize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	986 font->data = data;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	987 font->freeData = (unsigned char)freeData;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	988
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	989 // Init font
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	990 stash->nscratch = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	991 if (!fons__tt_loadFont(stash, &font->font, data, dataSize, fontIndex)) goto error;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	992
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	993 // Store normalized line height. The real line height is got
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	994 // by multiplying the lineh by font size.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	995 fons__tt_getFontVMetrics( &font->font, &ascent, &descent, &lineGap);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	996 ascent += lineGap;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	997 fh = ascent - descent;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	998 font->ascender = (float)ascent / (float)fh;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	999 font->descender = (float)descent / (float)fh;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1000 font->lineh = font->ascender - font->descender;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1001
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1002 return idx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1003
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1004 error:
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1005 fons__freeFont(font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1006 stash->nfonts--;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1007 return FONS_INVALID;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1008 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1009
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1010 int fonsGetFontByName(FONScontext* s, const char* name)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1011 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1012 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1013 for (i = 0; i < s->nfonts; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1014 if (strcmp(s->fonts[i]->name, name) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1015 return i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1016 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1017 return FONS_INVALID;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1018 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1019
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1020
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1021 static FONSglyph* fons__allocGlyph(FONSfont* font)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1022 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1023 if (font->nglyphs+1 > font->cglyphs) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1024 font->cglyphs = font->cglyphs == 0 ? 8 : font->cglyphs * 2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1025 font->glyphs = (FONSglyph)realloc(font->glyphs, sizeof(FONSglyph) font->cglyphs);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1026 if (font->glyphs == NULL) return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1027 for (int i=font->nglyphs; i<font->cglyphs; ++i)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1028 memset(&font->glyphs[i], 0, sizeof(*font->glyphs));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1029 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1030 font->nglyphs++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1031 return &font->glyphs[font->nglyphs-1];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1032 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1033
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1034
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1035 // Based on Exponential blur, Jani Huhtanen, 2006
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1036
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1037 #define APREC 16
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1038 #define ZPREC 7
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1039
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1040 static void fons__blurCols(unsigned char* dst, int w, int h, int dstStride, int alpha)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1041 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1042 int x, y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1043 for (y = 0; y < h; y++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1044 int z = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1045 for (x = 1; x < w; x++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1046 z += (alpha * (((int)(dst[x]) << ZPREC) - z)) >> APREC;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1047 dst[x] = (unsigned char)(z >> ZPREC);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1048 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1049 dst[w-1] = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1050 z = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1051 for (x = w-2; x >= 0; x--) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1052 z += (alpha * (((int)(dst[x]) << ZPREC) - z)) >> APREC;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1053 dst[x] = (unsigned char)(z >> ZPREC);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1054 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1055 dst[0] = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1056 dst += dstStride;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1057 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1058 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1059
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1060 static void fons__blurRows(unsigned char* dst, int w, int h, int dstStride, int alpha)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1061 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1062 int x, y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1063 for (x = 0; x < w; x++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1064 int z = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1065 for (y = dstStride; y < h*dstStride; y += dstStride) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1066 z += (alpha * (((int)(dst[y]) << ZPREC) - z)) >> APREC;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1067 dst[y] = (unsigned char)(z >> ZPREC);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1068 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1069 dst[(h-1)*dstStride] = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1070 z = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1071 for (y = (h-2)*dstStride; y >= 0; y -= dstStride) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1072 z += (alpha * (((int)(dst[y]) << ZPREC) - z)) >> APREC;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1073 dst[y] = (unsigned char)(z >> ZPREC);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1074 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1075 dst[0] = 0; // force zero border
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1076 dst++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1077 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1078 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1079
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1080
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1081 static void fons__blur(FONScontext* stash, unsigned char* dst, int w, int h, int dstStride, int blur)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1082 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1083 int alpha;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1084 float sigma;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1085 (void)stash;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1086
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1087 if (blur < 1)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1088 return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1089 // Calculate the alpha such that 90% of the kernel is within the radius. (Kernel extends to infinity)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1090 sigma = (float)blur * 0.57735f; // 1 / sqrt(3)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1091 alpha = (int)((1<<APREC) * (1.0f - expf(-2.3f / (sigma+1.0f))));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1092 fons__blurRows(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1093 fons__blurCols(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1094 fons__blurRows(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1095 fons__blurCols(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1096 // fons__blurrows(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1097 // fons__blurcols(dst, w, h, dstStride, alpha);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1098 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1099
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1100 static FONSglyph* fons__getGlyph(FONScontext* stash, FONSfont* font, unsigned int codepoint,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1101 short isize, short iblur, int bitmapOption)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1102 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1103 int i, g, advance, lsb, x0, y0, x1, y1, gw, gh, gx, gy, x, y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1104 float scale;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1105 FONSglyph* glyph = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1106 unsigned int h;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1107 float size = isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1108 int pad, added;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1109 unsigned char* bdst;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1110 unsigned char* dst;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1111 FONSfont* renderFont = font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1112
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1113 if (isize < 2) return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1114 if (iblur > 20) iblur = 20;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1115 pad = iblur+2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1116
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1117 // Reset allocator.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1118 stash->nscratch = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1119
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1120 // Find code point and size.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1121 h = fons__hashint(codepoint) & (FONS_HASH_LUT_SIZE-1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1122 i = font->lut[h];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1123 while (i != -1) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1124 if (font->glyphs[i].codepoint == codepoint && font->glyphs[i].size == isize && font->glyphs[i].blur == iblur) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1125 glyph = &font->glyphs[i];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1126 if (bitmapOption == FONS_GLYPH_BITMAP_OPTIONAL \|\| (glyph->x0 >= 0 && glyph->y0 >= 0)) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1127 return glyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1128 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1129 // At this point, glyph exists but the bitmap data is not yet created.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1130 break;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1131 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1132 i = font->glyphs[i].next;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1133 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1134
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1135 // Create a new glyph or rasterize bitmap data for a cached glyph.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1136 g = fons__tt_getGlyphIndex(&font->font, codepoint);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1137 // Try to find the glyph in fallback fonts.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1138 if (g == 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1139 for (i = 0; i < font->nfallbacks; ++i) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1140 FONSfont* fallbackFont = stash->fonts[font->fallbacks[i]];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1141 int fallbackIndex = fons__tt_getGlyphIndex(&fallbackFont->font, codepoint);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1142 if (fallbackIndex != 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1143 g = fallbackIndex;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1144 renderFont = fallbackFont;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1145 break;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1146 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1147 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1148 // It is possible that we did not find a fallback glyph.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1149 // In that case the glyph index 'g' is 0, and we'll proceed below and cache empty glyph.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1150 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1151 scale = fons__tt_getPixelHeightScale(&renderFont->font, size);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1152 fons__tt_buildGlyphBitmap(&renderFont->font, g, size, scale, &advance, &lsb, &x0, &y0, &x1, &y1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1153 gw = x1-x0 + pad*2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1154 gh = y1-y0 + pad*2;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1155
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1156 // Determines the spot to draw glyph in the atlas.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1157 if (bitmapOption == FONS_GLYPH_BITMAP_REQUIRED) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1158 // Find free spot for the rect in the atlas
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1159 added = fons__atlasAddRect(stash->atlas, gw, gh, &gx, &gy);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1160 if (added == 0 && stash->handleError != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1161 // Atlas is full, let the user to resize the atlas (or not), and try again.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1162 stash->handleError(stash->errorUptr, FONS_ATLAS_FULL, 0);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1163 added = fons__atlasAddRect(stash->atlas, gw, gh, &gx, &gy);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1164 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1165 if (added == 0) return NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1166 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1167 // Negative coordinate indicates there is no bitmap data created.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1168 gx = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1169 gy = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1170 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1171
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1172 // Init glyph.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1173 if (glyph == NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1174 glyph = fons__allocGlyph(font);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1175 glyph->codepoint = codepoint;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1176 glyph->size = isize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1177 glyph->blur = iblur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1178 glyph->next = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1179
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1180 // Insert char to hash lookup.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1181 glyph->next = font->lut[h];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1182 font->lut[h] = font->nglyphs-1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1183 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1184 glyph->index = g;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1185 glyph->x0 = (short)gx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1186 glyph->y0 = (short)gy;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1187 glyph->x1 = (short)(glyph->x0+gw);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1188 glyph->y1 = (short)(glyph->y0+gh);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1189 glyph->xadv = (short)(scale * advance * 10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1190 glyph->xoff = (short)(x0 - pad);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1191 glyph->yoff = (short)(y0 - pad);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1192
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1193 if (bitmapOption == FONS_GLYPH_BITMAP_OPTIONAL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1194 return glyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1195 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1196
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1197 // Rasterize
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1198 dst = &stash->texData[(glyph->x0+pad) + (glyph->y0+pad) * stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1199 fons__tt_renderGlyphBitmap(&renderFont->font, dst, gw-pad2,gh-pad2, stash->params.width, scale, scale, g);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1200
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1201 // Make sure there is one pixel empty border.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1202 dst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1203 for (y = 0; y < gh; y++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1204 dst[y*stash->params.width] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1205 dst[gw-1 + y*stash->params.width] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1206 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1207 for (x = 0; x < gw; x++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1208 dst[x] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1209 dst[x + (gh-1)*stash->params.width] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1210 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1211
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1212 // Debug code to color the glyph background
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1213 /* unsigned char* fdst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1214 for (y = 0; y < gh; y++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1215 for (x = 0; x < gw; x++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1216 int a = (int)fdst[x+y*stash->params.width] + 20;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1217 if (a > 255) a = 255;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1218 fdst[x+y*stash->params.width] = a;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1219 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1220 }*/
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1221
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1222 // Blur
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1223 if (iblur > 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1224 stash->nscratch = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1225 bdst = &stash->texData[glyph->x0 + glyph->y0 * stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1226 fons__blur(stash, bdst, gw, gh, stash->params.width, iblur);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1227 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1228
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1229 stash->dirtyRect[0] = fons__mini(stash->dirtyRect[0], glyph->x0);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1230 stash->dirtyRect[1] = fons__mini(stash->dirtyRect[1], glyph->y0);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1231 stash->dirtyRect[2] = fons__maxi(stash->dirtyRect[2], glyph->x1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1232 stash->dirtyRect[3] = fons__maxi(stash->dirtyRect[3], glyph->y1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1233
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1234 return glyph;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1235 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1236
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1237 static void fons__getQuad(FONScontext* stash, FONSfont* font,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1238 int prevGlyphIndex, FONSglyph* glyph,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1239 float scale, float spacing, float* x, float* y, FONSquad* q)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1240 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1241 float rx,ry,xoff,yoff,x0,y0,x1,y1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1242
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1243 if (prevGlyphIndex != -1) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1244 float adv = fons__tt_getGlyphKernAdvance(&font->font, prevGlyphIndex, glyph->index) * scale;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1245 *x += (int)(adv + spacing + 0.5f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1246 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1247
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1248 // Each glyph has 2px border to allow good interpolation,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1249 // one pixel to prevent leaking, and one to allow good interpolation for rendering.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1250 // Inset the texture region by one pixel for correct interpolation.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1251 xoff = (short)(glyph->xoff+1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1252 yoff = (short)(glyph->yoff+1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1253 x0 = (float)(glyph->x0+1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1254 y0 = (float)(glyph->y0+1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1255 x1 = (float)(glyph->x1-1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1256 y1 = (float)(glyph->y1-1);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1257
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1258 if (stash->params.flags & FONS_ZERO_TOPLEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1259 rx = floorf(*x + xoff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1260 ry = floorf(*y + yoff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1261
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1262 q->x0 = rx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1263 q->y0 = ry;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1264 q->x1 = rx + x1 - x0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1265 q->y1 = ry + y1 - y0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1266
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1267 q->s0 = x0 * stash->itw;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1268 q->t0 = y0 * stash->ith;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1269 q->s1 = x1 * stash->itw;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1270 q->t1 = y1 * stash->ith;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1271 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1272 rx = floorf(*x + xoff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1273 ry = floorf(*y - yoff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1274
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1275 q->x0 = rx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1276 q->y0 = ry;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1277 q->x1 = rx + x1 - x0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1278 q->y1 = ry - y1 + y0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1279
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1280 q->s0 = x0 * stash->itw;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1281 q->t0 = y0 * stash->ith;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1282 q->s1 = x1 * stash->itw;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1283 q->t1 = y1 * stash->ith;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1284 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1285
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1286 *x += (int)(glyph->xadv / 10.0f + 0.5f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1287 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1288
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1289 static void fons__flush(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1290 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1291 // Flush texture
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1292 if (stash->dirtyRect[0] < stash->dirtyRect[2] && stash->dirtyRect[1] < stash->dirtyRect[3]) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1293 if (stash->params.renderUpdate != NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1294 stash->params.renderUpdate(stash->params.userPtr, stash->dirtyRect, stash->texData);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1295 // Reset dirty rect
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1296 stash->dirtyRect[0] = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1297 stash->dirtyRect[1] = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1298 stash->dirtyRect[2] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1299 stash->dirtyRect[3] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1300 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1301
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1302 // Flush triangles
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1303 if (stash->nverts > 0) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1304 if (stash->params.renderDraw != NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1305 stash->params.renderDraw(stash->params.userPtr, stash->verts, stash->tcoords, stash->colors, stash->nverts);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1306 stash->nverts = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1307 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1308 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1309
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1310 static __inline void fons__vertex(FONScontext* stash, float x, float y, float s, float t, unsigned int c)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1311 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1312 stash->verts[stash->nverts*2+0] = x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1313 stash->verts[stash->nverts*2+1] = y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1314 stash->tcoords[stash->nverts*2+0] = s;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1315 stash->tcoords[stash->nverts*2+1] = t;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1316 stash->colors[stash->nverts] = c;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1317 stash->nverts++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1318 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1319
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1320 static float fons__getVertAlign(FONScontext* stash, FONSfont* font, int align, short isize)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1321 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1322 if (stash->params.flags & FONS_ZERO_TOPLEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1323 if (align & FONS_ALIGN_TOP) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1324 return font->ascender * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1325 } else if (align & FONS_ALIGN_MIDDLE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1326 return (font->ascender + font->descender) / 2.0f * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1327 } else if (align & FONS_ALIGN_BASELINE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1328 return 0.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1329 } else if (align & FONS_ALIGN_BOTTOM) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1330 return font->descender * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1331 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1332 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1333 if (align & FONS_ALIGN_TOP) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1334 return -font->ascender * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1335 } else if (align & FONS_ALIGN_MIDDLE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1336 return -(font->ascender + font->descender) / 2.0f * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1337 } else if (align & FONS_ALIGN_BASELINE) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1338 return 0.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1339 } else if (align & FONS_ALIGN_BOTTOM) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1340 return -font->descender * (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1341 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1342 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1343 return 0.0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1344 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1345
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1346 float fonsDrawText(FONScontext* stash,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1347 float x, float y,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1348 const char* str, const char* end)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1349 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1350 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1351 unsigned int codepoint;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1352 unsigned int utf8state = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1353 FONSglyph* glyph = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1354 FONSquad q;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1355 int prevGlyphIndex = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1356 short isize = (short)(state->size*10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1357 short iblur = (short)state->blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1358 float scale;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1359 FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1360 float width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1361
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1362 if (stash == NULL) return x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1363 if (state->font < 0 \|\| state->font >= stash->nfonts) return x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1364 font = stash->fonts[state->font];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1365 if (font->data == NULL) return x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1366
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1367 scale = fons__tt_getPixelHeightScale(&font->font, (float)isize/10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1368
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1369 if (end == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1370 end = str + strlen(str);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1371
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1372 // Align horizontally
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1373 if (state->align & FONS_ALIGN_LEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1374 // empty
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1375 } else if (state->align & FONS_ALIGN_RIGHT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1376 width = fonsTextBounds(stash, x,y, str, end, NULL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1377 x -= width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1378 } else if (state->align & FONS_ALIGN_CENTER) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1379 width = fonsTextBounds(stash, x,y, str, end, NULL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1380 x -= width * 0.5f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1381 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1382 // Align vertically.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1383 y += fons__getVertAlign(stash, font, state->align, isize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1384
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1385 for (; str != end; ++str) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1386 if (fons__decutf8(&utf8state, &codepoint, (const unsigned char)str))
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1387 continue;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1388 glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_REQUIRED);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1389 if (glyph != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1390 fons__getQuad(stash, font, prevGlyphIndex, glyph, scale, state->spacing, &x, &y, &q);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1391
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1392 if (stash->nverts+6 > FONS_VERTEX_COUNT)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1393 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1394
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1395 fons__vertex(stash, q.x0, q.y0, q.s0, q.t0, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1396 fons__vertex(stash, q.x1, q.y1, q.s1, q.t1, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1397 fons__vertex(stash, q.x1, q.y0, q.s1, q.t0, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1398
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1399 fons__vertex(stash, q.x0, q.y0, q.s0, q.t0, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1400 fons__vertex(stash, q.x0, q.y1, q.s0, q.t1, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1401 fons__vertex(stash, q.x1, q.y1, q.s1, q.t1, state->color);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1402 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1403 prevGlyphIndex = glyph != NULL ? glyph->index : -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1404 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1405 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1406
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1407 return x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1408 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1409
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1410 int fonsTextIterInit(FONScontext* stash, FONStextIter* iter,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1411 float x, float y, const char* str, const char* end, int bitmapOption)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1412 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1413 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1414 float width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1415
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1416 memset(iter, 0, sizeof(*iter));
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1417
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1418 if (stash == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1419 if (state->font < 0 \|\| state->font >= stash->nfonts) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1420 iter->font = stash->fonts[state->font];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1421 if (iter->font->data == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1422
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1423 iter->isize = (short)(state->size*10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1424 iter->iblur = (short)state->blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1425 iter->scale = fons__tt_getPixelHeightScale(&iter->font->font, (float)iter->isize/10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1426
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1427 // Align horizontally
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1428 if (state->align & FONS_ALIGN_LEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1429 // empty
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1430 } else if (state->align & FONS_ALIGN_RIGHT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1431 width = fonsTextBounds(stash, x,y, str, end, NULL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1432 x -= width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1433 } else if (state->align & FONS_ALIGN_CENTER) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1434 width = fonsTextBounds(stash, x,y, str, end, NULL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1435 x -= width * 0.5f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1436 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1437 // Align vertically.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1438 y += fons__getVertAlign(stash, iter->font, state->align, iter->isize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1439
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1440 if (end == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1441 end = str + strlen(str);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1442
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1443 iter->x = iter->nextx = x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1444 iter->y = iter->nexty = y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1445 iter->spacing = state->spacing;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1446 iter->str = str;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1447 iter->next = str;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1448 iter->end = end;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1449 iter->codepoint = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1450 iter->prevGlyphIndex = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1451 iter->bitmapOption = bitmapOption;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1452
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1453 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1454 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1455
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1456 int fonsTextIterNext(FONScontext* stash, FONStextIter* iter, FONSquad* quad)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1457 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1458 FONSglyph* glyph = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1459 const char* str = iter->next;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1460 iter->str = iter->next;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1461
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1462 if (str == iter->end)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1463 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1464
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1465 for (; str != iter->end; str++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1466 if (fons__decutf8(&iter->utf8state, &iter->codepoint, (const unsigned char)str))
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1467 continue;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1468 str++;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1469 // Get glyph and quad
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1470 iter->x = iter->nextx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1471 iter->y = iter->nexty;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1472 glyph = fons__getGlyph(stash, iter->font, iter->codepoint, iter->isize, iter->iblur, iter->bitmapOption);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1473 // If the iterator was initialized with FONS_GLYPH_BITMAP_OPTIONAL, then the UV coordinates of the quad will be invalid.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1474 if (glyph != NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1475 fons__getQuad(stash, iter->font, iter->prevGlyphIndex, glyph, iter->scale, iter->spacing, &iter->nextx, &iter->nexty, quad);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1476 iter->prevGlyphIndex = glyph != NULL ? glyph->index : -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1477 break;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1478 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1479 iter->next = str;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1480
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1481 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1482 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1483
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1484 void fonsDrawDebug(FONScontext* stash, float x, float y)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1485 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1486 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1487 int w = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1488 int h = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1489 float u = w == 0 ? 0 : (1.0f / w);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1490 float v = h == 0 ? 0 : (1.0f / h);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1491
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1492 if (stash->nverts+6+6 > FONS_VERTEX_COUNT)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1493 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1494
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1495 // Draw background
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1496 fons__vertex(stash, x+0, y+0, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1497 fons__vertex(stash, x+w, y+h, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1498 fons__vertex(stash, x+w, y+0, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1499
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1500 fons__vertex(stash, x+0, y+0, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1501 fons__vertex(stash, x+0, y+h, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1502 fons__vertex(stash, x+w, y+h, u, v, 0x0fffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1503
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1504 // Draw texture
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1505 fons__vertex(stash, x+0, y+0, 0, 0, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1506 fons__vertex(stash, x+w, y+h, 1, 1, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1507 fons__vertex(stash, x+w, y+0, 1, 0, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1508
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1509 fons__vertex(stash, x+0, y+0, 0, 0, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1510 fons__vertex(stash, x+0, y+h, 0, 1, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1511 fons__vertex(stash, x+w, y+h, 1, 1, 0xffffffff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1512
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1513 // Drawbug draw atlas
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1514 for (i = 0; i < stash->atlas->nnodes; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1515 FONSatlasNode* n = &stash->atlas->nodes[i];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1516
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1517 if (stash->nverts+6 > FONS_VERTEX_COUNT)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1518 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1519
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1520 fons__vertex(stash, x+n->x+0, y+n->y+0, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1521 fons__vertex(stash, x+n->x+n->width, y+n->y+1, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1522 fons__vertex(stash, x+n->x+n->width, y+n->y+0, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1523
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1524 fons__vertex(stash, x+n->x+0, y+n->y+0, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1525 fons__vertex(stash, x+n->x+0, y+n->y+1, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1526 fons__vertex(stash, x+n->x+n->width, y+n->y+1, u, v, 0xc00000ff);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1527 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1528
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1529 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1530 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1531
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1532 float fonsTextBounds(FONScontext* stash,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1533 float x, float y,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1534 const char* str, const char* end,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1535 float* bounds)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1536 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1537 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1538 unsigned int codepoint;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1539 unsigned int utf8state = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1540 FONSquad q;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1541 FONSglyph* glyph = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1542 int prevGlyphIndex = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1543 short isize = (short)(state->size*10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1544 short iblur = (short)state->blur;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1545 float scale;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1546 FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1547 float startx, advance;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1548 float minx, miny, maxx, maxy;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1549
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1550 if (stash == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1551 if (state->font < 0 \|\| state->font >= stash->nfonts) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1552 font = stash->fonts[state->font];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1553 if (font->data == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1554
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1555 scale = fons__tt_getPixelHeightScale(&font->font, (float)isize/10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1556
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1557 // Align vertically.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1558 y += fons__getVertAlign(stash, font, state->align, isize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1559
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1560 minx = maxx = x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1561 miny = maxy = y;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1562 startx = x;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1563
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1564 if (end == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1565 end = str + strlen(str);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1566
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1567 for (; str != end; ++str) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1568 if (fons__decutf8(&utf8state, &codepoint, (const unsigned char)str))
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1569 continue;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1570 glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_OPTIONAL);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1571 if (glyph != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1572 fons__getQuad(stash, font, prevGlyphIndex, glyph, scale, state->spacing, &x, &y, &q);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1573 if (q.x0 < minx) minx = q.x0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1574 if (q.x1 > maxx) maxx = q.x1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1575 if (stash->params.flags & FONS_ZERO_TOPLEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1576 if (q.y0 < miny) miny = q.y0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1577 if (q.y1 > maxy) maxy = q.y1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1578 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1579 if (q.y1 < miny) miny = q.y1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1580 if (q.y0 > maxy) maxy = q.y0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1581 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1582 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1583 prevGlyphIndex = glyph != NULL ? glyph->index : -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1584 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1585
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1586 advance = x - startx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1587
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1588 // Align horizontally
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1589 if (state->align & FONS_ALIGN_LEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1590 // empty
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1591 } else if (state->align & FONS_ALIGN_RIGHT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1592 minx -= advance;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1593 maxx -= advance;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1594 } else if (state->align & FONS_ALIGN_CENTER) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1595 minx -= advance * 0.5f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1596 maxx -= advance * 0.5f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1597 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1598
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1599 if (bounds) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1600 bounds[0] = minx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1601 bounds[1] = miny;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1602 bounds[2] = maxx;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1603 bounds[3] = maxy;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1604 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1605
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1606 return advance;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1607 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1608
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1609 void fonsVertMetrics(FONScontext* stash,
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1610 float* ascender, float* descender, float* lineh)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1611 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1612 FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1613 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1614 short isize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1615
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1616 if (stash == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1617 if (state->font < 0 \|\| state->font >= stash->nfonts) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1618 font = stash->fonts[state->font];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1619 isize = (short)(state->size*10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1620 if (font->data == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1621
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1622 if (ascender)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1623 ascender = font->ascenderisize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1624 if (descender)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1625 descender = font->descenderisize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1626 if (lineh)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1627 lineh = font->linehisize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1628 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1629
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1630 void fonsLineBounds(FONScontext* stash, float y, float* miny, float* maxy)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1631 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1632 FONSfont* font;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1633 FONSstate* state = fons__getState(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1634 short isize;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1635
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1636 if (stash == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1637 if (state->font < 0 \|\| state->font >= stash->nfonts) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1638 font = stash->fonts[state->font];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1639 isize = (short)(state->size*10.0f);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1640 if (font->data == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1641
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1642 y += fons__getVertAlign(stash, font, state->align, isize);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1643
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1644 if (stash->params.flags & FONS_ZERO_TOPLEFT) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1645 miny = y - font->ascender (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1646 maxy = miny + font->lineh*isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1647 } else {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1648 maxy = y + font->descender (float)isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1649 miny = maxy - font->lineh*isize/10.0f;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1650 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1651 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1652
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1653 const unsigned char* fonsGetTextureData(FONScontext* stash, int* width, int* height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1654 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1655 if (width != NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1656 *width = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1657 if (height != NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1658 *height = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1659 return stash->texData;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1660 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1661
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1662 int fonsValidateTexture(FONScontext* stash, int* dirty)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1663 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1664 if (stash->dirtyRect[0] < stash->dirtyRect[2] && stash->dirtyRect[1] < stash->dirtyRect[3]) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1665 dirty[0] = stash->dirtyRect[0];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1666 dirty[1] = stash->dirtyRect[1];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1667 dirty[2] = stash->dirtyRect[2];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1668 dirty[3] = stash->dirtyRect[3];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1669 // Reset dirty rect
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1670 stash->dirtyRect[0] = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1671 stash->dirtyRect[1] = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1672 stash->dirtyRect[2] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1673 stash->dirtyRect[3] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1674 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1675 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1676 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1677 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1678
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1679 void fonsDeleteInternal(FONScontext* stash)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1680 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1681 int i;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1682 if (stash == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1683
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1684 if (stash->params.renderDelete)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1685 stash->params.renderDelete(stash->params.userPtr);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1686
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1687 for (i = 0; i < stash->nfonts; ++i)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1688 fons__freeFont(stash->fonts[i]);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1689
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1690 if (stash->atlas) fons__deleteAtlas(stash->atlas);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1691 if (stash->fonts) free(stash->fonts);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1692 if (stash->texData) free(stash->texData);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1693 if (stash->scratch) free(stash->scratch);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1694 fons__tt_done(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1695 free(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1696 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1697
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1698 void fonsSetErrorCallback(FONScontext* stash, void (callback)(void uptr, int error, int val), void* uptr)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1699 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1700 if (stash == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1701 stash->handleError = callback;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1702 stash->errorUptr = uptr;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1703 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1704
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1705 void fonsGetAtlasSize(FONScontext* stash, int* width, int* height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1706 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1707 if (stash == NULL) return;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1708 *width = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1709 *height = stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1710 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1711
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1712 int fonsExpandAtlas(FONScontext* stash, int width, int height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1713 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1714 int i, maxy = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1715 unsigned char* data = NULL;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1716 if (stash == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1717
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1718 width = fons__maxi(width, stash->params.width);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1719 height = fons__maxi(height, stash->params.height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1720
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1721 if (width == stash->params.width && height == stash->params.height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1722 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1723
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1724 // Flush pending glyphs.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1725 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1726
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1727 // Create new texture
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1728 if (stash->params.renderResize != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1729 if (stash->params.renderResize(stash->params.userPtr, width, height) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1730 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1731 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1732 // Copy old texture data over.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1733 data = (unsigned char)malloc(width height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1734 if (data == NULL)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1735 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1736 for (i = 0; i < stash->params.height; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1737 unsigned char* dst = &data[i*width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1738 unsigned char* src = &stash->texData[i*stash->params.width];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1739 memcpy(dst, src, stash->params.width);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1740 if (width > stash->params.width)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1741 memset(dst+stash->params.width, 0, width - stash->params.width);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1742 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1743 if (height > stash->params.height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1744 memset(&data[stash->params.height * width], 0, (height - stash->params.height) * width);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1745
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1746 free(stash->texData);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1747 stash->texData = data;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1748
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1749 // Increase atlas size
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1750 fons__atlasExpand(stash->atlas, width, height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1751
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1752 // Add existing data as dirty.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1753 for (i = 0; i < stash->atlas->nnodes; i++)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1754 maxy = fons__maxi(maxy, stash->atlas->nodes[i].y);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1755 stash->dirtyRect[0] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1756 stash->dirtyRect[1] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1757 stash->dirtyRect[2] = stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1758 stash->dirtyRect[3] = maxy;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1759
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1760 stash->params.width = width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1761 stash->params.height = height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1762 stash->itw = 1.0f/stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1763 stash->ith = 1.0f/stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1764
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1765 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1766 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1767
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1768 int fonsResetAtlas(FONScontext* stash, int width, int height)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1769 {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1770 int i, j;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1771 if (stash == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1772
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1773 // Flush pending glyphs.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1774 fons__flush(stash);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1775
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1776 // Create new texture
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1777 if (stash->params.renderResize != NULL) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1778 if (stash->params.renderResize(stash->params.userPtr, width, height) == 0)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1779 return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1780 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1781
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1782 // Reset atlas
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1783 fons__atlasReset(stash->atlas, width, height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1784
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1785 // Clear texture data.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1786 stash->texData = (unsigned char)realloc(stash->texData, width height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1787 if (stash->texData == NULL) return 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1788 memset(stash->texData, 0, width * height);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1789
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1790 // Reset dirty rect
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1791 stash->dirtyRect[0] = width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1792 stash->dirtyRect[1] = height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1793 stash->dirtyRect[2] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1794 stash->dirtyRect[3] = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1795
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1796 // Reset cached glyphs
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1797 for (i = 0; i < stash->nfonts; i++) {
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1798 FONSfont* font = stash->fonts[i];
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1799 font->nglyphs = 0;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1800 for (j = 0; j < FONS_HASH_LUT_SIZE; j++)
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1801 font->lut[j] = -1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1802 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1803
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1804 stash->params.width = width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1805 stash->params.height = height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1806 stash->itw = 1.0f/stash->params.width;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1807 stash->ith = 1.0f/stash->params.height;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1808
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1809 // Add white rect at 0,0 for debug drawing.
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1810 fons__addWhiteRect(stash, 2,2);
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1811
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1812 return 1;
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1813 }
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1814
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1815
84e66ea83026 DPF-Prymula-audioplugins-0.231015-2 prymula <prymula76@outlook.com> parents: diff changeset	1816 #endif

Mercurial > hg > pub > prymula > com

annotate DPF-Prymula-audioplugins/dpf/dgl/src/nanovg/fontstash.h @ 7:bb29f1c89c99