| Hal Canary | 6c8422c | 2020-01-10 15:22:09 -0500 | [diff] [blame] | 1 | // Copyright 2020 Google LLC. |
| 2 | // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file. |
| 3 | #include "tools/fiddle/examples.h" |
| 4 | REG_FIDDLE(skpaint_color_table_filter, 256, 256, false, 3) { |
| 5 | void draw(SkCanvas* canvas) { |
| 6 | canvas->scale(0.5, 0.5); |
| 7 | uint8_t ct[256]; |
| 8 | for (int i = 0; i < 256; ++i) { |
| 9 | int x = (i - 96) * 255 / 64; |
| 10 | ct[i] = x < 0 ? 0 : x > 255 ? 255 : x; |
| 11 | } |
| 12 | SkPaint paint; |
| 13 | paint.setColorFilter(SkTableColorFilter::MakeARGB(nullptr, ct, ct, ct)); |
| 14 | canvas->drawImage(image, 0, 0, &paint); |
| 15 | } |
| 16 | } // END FIDDLE |