PreMultiplyARGB.cpp 1021 B

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  1. #if 0 // Disabled until updated to use current API.
  2. // Copyright 2019 Google LLC.
  3. // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
  4. #include "tools/fiddle/examples.h"
  5. // HASH=756345484fd48ca0ea7b6cec350f73b8
  6. REG_FIDDLE(PreMultiplyARGB, 300, 128, false, 0) {
  7. void draw(SkCanvas* canvas) {
  8. SkPMColor premultiplied = SkPreMultiplyARGB(160, 128, 160, 192);
  9. canvas->drawString("Unpremultiplied:", 20, 20, SkPaint());
  10. canvas->drawString("alpha=160 red=128 green=160 blue=192", 20, 40, SkPaint());
  11. canvas->drawString("Premultiplied:", 20, 80, SkPaint());
  12. std::string str = "alpha=" + std::to_string(SkColorGetA(premultiplied));
  13. str += " red=" + std::to_string(SkColorGetR(premultiplied));
  14. str += " green=" + std::to_string(SkColorGetG(premultiplied));
  15. str += " blue=" + std::to_string(SkColorGetB(premultiplied));
  16. canvas->drawString(str.c_str(), 20, 100, SkPaint());
  17. }
  18. } // END FIDDLE
  19. #endif // Disabled until updated to use current API.