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 // HASH=1e0370f12c8aab5b84f9e824074f1e5a
5 REG_FIDDLE(ColorToHSV, 256, 256, false, 3) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 canvas->drawImage(source.asImage(), 0, 0);
8 for (int y = 0; y < 256; ++y) {
9 for (int x = 0; x < 256; ++x) {
10 SkScalar hsv[3];
11 SkColorToHSV(source.getColor(x, y), hsv);
12 hsv[1] = 1 - hsv[1];
13 SkPaint paint;
14 paint.setColor(SkHSVToColor(hsv));
15 canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);
16 }
17 }
18 }
19 } // END FIDDLE
20