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=481e990e923a0ed34654f4361b94f096
5 REG_FIDDLE(Canvas_readPixels_b, 256, 256, true, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7     canvas->clear(0x8055aaff);
8     for (SkAlphaType alphaType : { kPremul_SkAlphaType, kUnpremul_SkAlphaType } ) {
9         uint32_t pixel = 0;
10         SkImageInfo info = SkImageInfo::Make(1, 1, kBGRA_8888_SkColorType, alphaType);
11         if (canvas->readPixels(info, &pixel, 4, 0, 0)) {
12             SkDebugf("pixel = %08x\n", pixel);
13         }
14     }
15 }
16 }  // END FIDDLE
17