gm/blend.cpp

   1 /*
   2  * Copyright 2015 Google Inc.
   3  *
   4  * Use of this source code is governed by a BSD-style license that can be
   5  * found in the LICENSE file.
   6  */
   7
   8 #include "gm.h"
   9 #include "sk_tool_utils.h"
  10
  11 DEF_SIMPLE_GM(blend, canvas, 300, 100) {
  12     SkPaint p;
  13
  14     // All three of these blocks should be the same color.
  15     canvas->save();
  16         canvas->scale(100,100);
  17
  18         p.setColor(SK_ColorRED);
  19         canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p);
  20         p.setColor(0xFC208000);
  21         canvas->drawRect(SkRect::MakeXYWH(0,0,1,1), p);
  22
  23         p.setColor(SK_ColorRED);
  24         canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p);
  25         canvas->saveLayer(nullptr, nullptr);
  26             p.setColor(0xFC208000);
  27             canvas->drawRect(SkRect::MakeXYWH(1,0,1,1), p);
  28         canvas->restore();
  29
  30         p.setColor(SK_ColorRED);
  31         canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p);
  32         canvas->saveLayerAlpha(nullptr, 0xFC);
  33             p.setColor(sk_tool_utils::color_to_565(0xFF208000));
  34             canvas->drawRect(SkRect::MakeXYWH(2,0,1,1), p);
  35         canvas->restore();
  36     canvas->restore();
  37 }