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annotate DPF-Prymula-audioplugins/dpf/dgl/src/pugl-upstream/README.md @ 3:84e66ea83026

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DPF-Prymula-audioplugins-0.231015-2
author prymula <prymula76@outlook.com>
date Mon, 16 Oct 2023 21:53:34 +0200
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1 Pugl
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2 ====
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3
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4 Pugl (PlUgin Graphics Library) is a minimal portability layer for GUIs which is
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5 suitable for use in plugins. It works on X11, MacOS, and Windows, and includes
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6 optional support for drawing with Vulkan, OpenGL, and Cairo.
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7
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8 Pugl is vaguely similar to libraries like GLUT and GLFW, but has different
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9 goals and priorities:
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11 * Minimal in scope, providing only a thin interface to isolate
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12 platform-specific details from applications.
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14 * Zero dependencies, aside from standard system libraries.
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15
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16 * Support for embedding in native windows, for example as a plugin or
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17 component within a larger application that is not based on Pugl.
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19 * Explicit context and no static data, so that several instances can be used
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20 within a single program at once.
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22 * Consistent event-based API that makes dispatching in application or toolkit
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23 code easy with minimal boilerplate.
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24
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25 * Suitable for both continuously rendering applications like games, and
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26 event-driven applications that only draw when necessary.
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28 * Small, liberally licensed implementation that is suitable for vendoring
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29 and/or static linking. Pugl can be installed as a library, or used by
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30 simply copying the implementation into a project.
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31
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32 Stability
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33 ---------
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34
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35 Pugl is currently being developed towards a long-term stable API. For the time
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36 being, however, the API may break occasionally. Please report any relevant
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37 feedback, or file feature requests, so that we can ensure that the released API
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38 is stable for as long as possible.
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39
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40 When the API changes, backwards compatibility is maintained where possible.
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41 These compatibility shims will be removed before release, so users are
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42 encouraged to build with `PUGL_DISABLE_DEPRECATED` defined.
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43
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44 Documentation
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45 -------------
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46
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47 Pugl is a C library that includes C++ bindings.
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48 Each API is documented separately:
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49
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50 * [C Documentation (single page)](https://lv2.gitlab.io/pugl/c/singlehtml/)
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51 * [C Documentation (paginated)](https://lv2.gitlab.io/pugl/c/html/)
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52 * [C++ Documentation (single page)](https://lv2.gitlab.io/pugl/cpp/singlehtml/)
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53 * [C++ Documentation (paginated)](https://lv2.gitlab.io/pugl/cpp/html/)
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54
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55 The documentation will also be built from the source if the `docs`
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56 configuration option is enabled, and both Doxygen and Sphinx are available.
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57
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58 Testing
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59 -------
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60
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61 Some unit tests are included, but unfortunately manual testing is still
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62 required. The tests and example programs are built by default. You can run
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63 all the tests at once via ninja:
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64
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65 meson setup build
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66 cd build
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67 ninja test
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68
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69 The [examples](examples) directory contains several demonstration programs that
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70 can be used for manual testing.
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71
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72 -- David Robillard <d@drobilla.net>