| // 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=311a59931ac340b90f202cd6ac399a0a |
| REG_FIDDLE(HSVToColor, 256, 256, false, 3) { |
| void draw(SkCanvas* canvas) { |
| canvas->drawBitmap(source, 0, 0); |
| for (int y = 0; y < 256; ++y) { |
| for (int x = 0; x < 256; ++x) { |
| SkColor color = source.getColor(x, y); |
| SkScalar hsv[3]; |
| SkColorToHSV(color, hsv); |
| hsv[0] = hsv[0] + 90 >= 360 ? hsv[0] - 270 : hsv[0] + 90; |
| SkPaint paint; |
| paint.setColor(SkHSVToColor((x + y) % 256, hsv)); |
| canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint); |
| } |
| } |
| } |
| } // END FIDDLE |