submodule/skia/docs/examples/Lighten.cpp

   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=95cb08b8c8db3af3b2c9ad56ae7d6bc1
   5 REG_FIDDLE(Lighten, 256, 256, false, 3) {
   6 void draw(SkCanvas* canvas) {
   7     canvas->drawImage(image, 0, 0);
   8     SkColor colors[] = { SK_ColorBLACK, SK_ColorWHITE };
   9     SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
  10     SkPaint paint;
  11     paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, SK_ARRAY_COUNT(colors),
  12             SkTileMode::kClamp));
  13     paint.setBlendMode(SkBlendMode::kLighten);
  14     canvas->drawPaint(paint);
  15 }
  16 }  // END FIDDLE