| 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=8f463ed17b0ed4fb9c503a0ec71706f9 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Bitmap_notifyPixelsChanged, 256, 20, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | SkBitmap bitmap; |
| 8 | bitmap.setInfo(SkImageInfo::Make(1, 1, kRGBA_8888_SkColorType, kOpaque_SkAlphaType)); |
| 9 | bitmap.allocPixels(); |
| 10 | bitmap.eraseColor(SK_ColorRED); |
| 11 | canvas->scale(16, 16); |
| Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 12 | canvas->drawImage(bitmap.asImage(), 0, 0); |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 13 | *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorBLUE); |
| Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 14 | canvas->drawImage(bitmap.asImage(), 2, 0); |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 15 | bitmap.notifyPixelsChanged(); |
| 16 | *(SkPMColor*) bitmap.getPixels() = SkPreMultiplyColor(SK_ColorGREEN); |
| Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 17 | canvas->drawImage(bitmap.asImage(), 4, 0); |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 18 | } |
| 19 | } // END FIDDLE |