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Source files for images in Magnum documentation
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Compile and install Magnum with `Sdl2Application`, windowless application for
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your platform and `magnum-distancefieldconverter` utility and any `PngImporter`
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and `PngImageConverter` plugins from Magnum Plugins.
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Create build dir, point CMake to this directory and compile the executables:
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mkdir build-doc
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cd build-doc
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cmake ../doc/generated
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cmake --build .
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### Shader images
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Generated by the `shaders` executable. Must be run in this directory, the
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output is put into `doc/` directory. The executable requires two textures:
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- `vector.png`, generated as full-page PNG output at 90 DPI from `vector.svg`,
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converted to pure grayscale using imagemagick:
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```bash
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mogrify -flatten -background '#ffffff' -format grayscale vector.png
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```
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- `vector-distancefield.png`, generated as full-page PNG output at 360 DPI
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(1024x1024) and then processed through `magnum-distancefieldconverter`
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```bash
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magnum-distancefieldconverter --importer PngImporter --converter PngImageConverter --output-size "64 64" --radius 16 vector-src.png vector-distancefield.png
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```
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