| 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=555c0f62f96602a9dcd459badcd005e0 |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Bitmap_allocPixels, 256, 256, false, 3) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | SkBitmap bitmap; |
| 8 | SkImageInfo info = SkImageInfo::Make(256, 64, kGray_8_SkColorType, kOpaque_SkAlphaType); |
| 9 | bitmap.allocPixels(info, info.width() * info.bytesPerPixel() + 64); |
| 10 | SkCanvas offscreen(bitmap); |
| 11 | offscreen.scale(.5f, .5f); |
| 12 | for (int y : { 0, 64, 128, 192 } ) { |
| Mike Reed | 34a0c97 | 2021-01-25 17:49:32 -0500 | [diff] [blame] | 13 | offscreen.drawImage(source.asImage(), 0, -y); |
| 14 | canvas->drawImage(bitmap.asImage(), 0, y); |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 15 | } |
| 16 | } |
| 17 | } // END FIDDLE |