| 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=311a59931ac340b90f202cd6ac399a0a |
| Hal Canary | a7181e7c | 2019-03-18 16:06:34 -0400 | [diff] [blame] | 5 | REG_FIDDLE(HSVToColor, 256, 256, false, 3) { |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 6 | void draw(SkCanvas* canvas) { |
| Mike Reed | e1f72f9 | 2021-01-27 17:09:40 -0500 | [diff] [blame] | 7 | canvas->drawImage(source.asImage(), 0, 0); |
| Hal Canary | 8751512 | 2019-03-15 14:22:51 -0400 | [diff] [blame] | 8 | for (int y = 0; y < 256; ++y) { |
| 9 | for (int x = 0; x < 256; ++x) { |
| 10 | SkColor color = source.getColor(x, y); |
| 11 | SkScalar hsv[3]; |
| 12 | SkColorToHSV(color, hsv); |
| 13 | hsv[0] = hsv[0] + 90 >= 360 ? hsv[0] - 270 : hsv[0] + 90; |
| 14 | SkPaint paint; |
| 15 | paint.setColor(SkHSVToColor((x + y) % 256, hsv)); |
| 16 | canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint); |
| 17 | } |
| 18 | } |
| 19 | } |
| 20 | } // END FIDDLE |