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Rack/include/color.hpp

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  1. #pragma once

  2. #include "common.hpp"

  3. #include "string.hpp"

  4. #include <nanovg.h>

  5. 

  6. 

  7. namespace rack {

  8. namespace color {

  9. 

  10. 

  11. static const NVGcolor BLACK_TRANSPARENT = nvgRGBA(0x00, 0x00, 0x00, 0x00);

  12. static const NVGcolor BLACK = nvgRGB(0x00, 0x00, 0x00);

  13. static const NVGcolor WHITE_TRANSPARENT = nvgRGBA(0xff, 0xff, 0xff, 0x00);

  14. static const NVGcolor WHITE = nvgRGB(0xff, 0xff, 0xff);

  15. static const NVGcolor RED = nvgRGB(0xff, 0x00, 0x00);

  16. static const NVGcolor GREEN = nvgRGB(0x00, 0xff, 0x00);

  17. static const NVGcolor BLUE = nvgRGB(0x00, 0x00, 0xff);

  18. static const NVGcolor CYAN = nvgRGB(0x00, 0xff, 0xff);

  19. static const NVGcolor MAGENTA = nvgRGB(0xff, 0x00, 0xff);

  20. static const NVGcolor YELLOW = nvgRGB(0xff, 0xff, 0x00);

  21. 

  22. 

  23. NVGcolor clamp(NVGcolor a);

  24. NVGcolor minus(NVGcolor a, NVGcolor b);

  25. NVGcolor plus(NVGcolor a, NVGcolor b);

  26. NVGcolor mult(NVGcolor a, NVGcolor b);

  27. NVGcolor mult(NVGcolor a, float x);

  28. /** Screen blending with alpha compositing */

  29. NVGcolor screen(NVGcolor a, NVGcolor b);

  30. NVGcolor alpha(NVGcolor a, float alpha);

  31. NVGcolor fromHexString(std::string s);

  32. std::string toHexString(NVGcolor c);

  33. 

  34. 

  35. } // namespace color

  36. } // namespace rack