| 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=6ef37d5be03d0bfaec992dbb5a94c66f |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Pixmap_computeIsOpaque, 256, 256, true, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | std::vector<uint32_t> pixels; |
| 8 | const int height = 2; |
| 9 | const int width = 2; |
| 10 | pixels.resize(height * width * 4); |
| 11 | SkPixmap pixmap(SkImageInfo::Make(width, height, kN32_SkColorType, |
| 12 | kPremul_SkAlphaType), (const void*) &pixels.front(), width * 4); |
| 13 | for (int index = 0; index < 2; ++index) { |
| 14 | pixmap.erase(0x00000000); |
| 15 | SkDebugf("computeIsOpaque: %s\n", pixmap.computeIsOpaque() ? "true" : "false"); |
| 16 | pixmap.erase(0xFFFFFFFF); |
| 17 | SkDebugf("computeIsOpaque: %s\n", pixmap.computeIsOpaque() ? "true" : "false"); |
| 18 | pixmap.reset(pixmap.info().makeAlphaType(kOpaque_SkAlphaType), |
| 19 | (const void*) &pixels.front(), width * 4); |
| 20 | } |
| 21 | } |
| 22 | } // END FIDDLE |