| // Copyright 2019 Google LLC. |
| // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| #include "tools/fiddle/examples.h" |
| // HASH=29b98ebf58aa9fd1edfaabf9f4490b3a |
| REG_FIDDLE(Canvas_writePixels, 256, 256, false, 0) { |
| void draw(SkCanvas* canvas) { |
| SkImageInfo imageInfo = SkImageInfo::MakeN32(256, 1, kPremul_SkAlphaType); |
| for (int y = 0; y < 256; ++y) { |
| uint32_t pixels[256]; |
| for (int x = 0; x < 256; ++x) { |
| pixels[x] = SkColorSetARGB(x, (x + y) % 256, x, (x - y) & 0xFF); |
| } |
| canvas->writePixels(imageInfo, &pixels, sizeof(pixels), 0, y); |
| } |
| } |
| } // END FIDDLE |