Src_Over.cpp 1019 B

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  1. // Copyright 2019 Google LLC.
  2. // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
  3. #include "tools/fiddle/examples.h"
  4. // HASH=2ea9c149964a06cdb4929158cb4f15f8
  5. REG_FIDDLE(Src_Over, 256, 256, false, 0) {
  6. void draw(SkCanvas* canvas) {
  7. SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
  8. SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
  9. SkPaint paint;
  10. paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, SK_ARRAY_COUNT(colors),
  11. SkTileMode::kClamp));
  12. canvas->drawPaint(paint);
  13. paint.setBlendMode(SkBlendMode::kDstIn);
  14. SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT };
  15. SkPoint vert[] = { { 0, 0 }, { 0, 256 } };
  16. paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, SK_ARRAY_COUNT(alphas),
  17. SkTileMode::kClamp));
  18. canvas->drawPaint(paint);
  19. canvas->clipRect( { 30, 30, 226, 226 } );
  20. canvas->drawColor(SkColorSetA(SK_ColorGREEN, 128), SkBlendMode::kSrcOver);
  21. }
  22. } // END FIDDLE