| 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=8b128e067881f9251357653692fa28da |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(Canvas_writePixels_2, 256, 256, false, 0) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| 7 | SkImageInfo imageInfo = SkImageInfo::MakeN32Premul(2, 2); |
| 8 | SkBitmap bitmap; |
| 9 | bitmap.setInfo(imageInfo); |
| 10 | uint32_t pixels[4]; |
| 11 | bitmap.setPixels(pixels); |
| 12 | for (int y = 0; y < 256; y += 2) { |
| 13 | for (int x = 0; x < 256; x += 2) { |
| 14 | pixels[0] = SkColorSetRGB(x, y, x | y); |
| 15 | pixels[1] = SkColorSetRGB(x ^ y, y, x); |
| 16 | pixels[2] = SkColorSetRGB(x, x & y, y); |
| 17 | pixels[3] = SkColorSetRGB((~x) & 0xFF, (~y) & 0xFF, x); |
| 18 | canvas->writePixels(bitmap, x, y); |
| 19 | } |
| 20 | } |
| 21 | } |
| 22 | } // END FIDDLE |