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.
3 #include "tools/fiddle/examples.h"
4 REG_FIDDLE(ColorToHSV, 256, 256, false, 3) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 canvas->drawImage(source.asImage(), 0, 0);
7 for (int y = 0; y < 256; ++y) {
8 for (int x = 0; x < 256; ++x) {
9 SkScalar hsv[3];
10 SkColorToHSV(source.getColor(x, y), hsv);
11 hsv[1] = 1 - hsv[1];
12 SkPaint paint;
13 paint.setColor(SkHSVToColor(hsv));
14 canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);
15 }
16 }
17 }
18 } // END FIDDLE
19