d88c2e8e09
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982 Commit-Queue: Hal Canary <halcanary@google.com> Reviewed-by: Hal Canary <halcanary@google.com>
21 lines
745 B
C++
21 lines
745 B
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "fiddle/examples.h"
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// HASH=311a59931ac340b90f202cd6ac399a0a
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REG_FIDDLE(HSVToColor, 256, 256, false, 3) {
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void draw(SkCanvas* canvas) {
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canvas->drawBitmap(source, 0, 0);
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for (int y = 0; y < 256; ++y) {
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for (int x = 0; x < 256; ++x) {
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SkColor color = source.getColor(x, y);
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SkScalar hsv[3];
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SkColorToHSV(color, hsv);
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hsv[0] = hsv[0] + 90 >= 360 ? hsv[0] - 270 : hsv[0] + 90;
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SkPaint paint;
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paint.setColor(SkHSVToColor((x + y) % 256, hsv));
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canvas->drawRect(SkRect::MakeXYWH(x, y, 1, 1), paint);
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}
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}
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}
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} // END FIDDLE
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