• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 // Copyright 2020 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 REG_FIDDLE(dither1, 256, 100, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     SkBitmap bm16;
7     bm16.allocPixels(SkImageInfo::Make(32, 32, kRGB_565_SkColorType, kOpaque_SkAlphaType));
8     SkCanvas c16(bm16);
9     SkPaint colorPaint;
10     for (auto dither : {false, true}) {
11         colorPaint.setDither(dither);
12         for (auto colors : {0xFF333333, 0xFF666666, 0xFF999999, 0xFFCCCCCC}) {
13             for (auto mask : {0xFFFF0000, 0xFF00FF00, 0xFF0000FF, 0xFFFFFFFF}) {
14                 colorPaint.setColor(colors & mask);
15                 c16.drawRect({0, 0, 8, 4}, colorPaint);
16                 c16.translate(8, 0);
17             }
18             c16.translate(-32, 4);
19         }
20     }
21     canvas->scale(8, 8);
22     canvas->drawImage(bm16.asImage(), 0, 0);
23 }
24 
25 }  // END FIDDLE
26