submodule/skia/docs/examples/Canvas_accessTopLayerPixels_a.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=38d0d6ca9bea146d31bcbec197856359
   5 REG_FIDDLE(Canvas_accessTopLayerPixels_a, 256, 256, false, 0) {
   6 void draw(SkCanvas* canvas) {
   7     if (canvas->accessTopLayerPixels(nullptr, nullptr)) {
   8          canvas->clear(SK_ColorRED);
   9     } else {
  10          canvas->clear(SK_ColorBLUE);
  11     }
  12 }
  13 }  // END FIDDLE