Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 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. |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 3 | #include "tools/fiddle/examples.h" |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 4 | // HASH=481e990e923a0ed34654f4361b94f096 |
Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Canvas_readPixels_b, 256, 256, true, 0) { |
Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 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 |