// 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" | |
REG_FIDDLE(ColorToHSV, 256, 256, false, 3) { | |
void draw(SkCanvas* canvas) { | |
canvas->drawImage(source.asImage(), 0, 0); | |
for (int y = 0; y < 256; ++y) { | |
for (int x = 0; x < 256; ++x) { | |
SkScalar hsv[3]; | |
SkColorToHSV(source.getColor(x, y), hsv); | |
hsv[1] = 1 - hsv[1]; | |
SkPaint paint; | |
paint.setColor(SkHSVToColor(hsv)); | |
canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint); | |
} | |
} | |
} | |
} // END FIDDLE |