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>
20 lines
661 B
C++
20 lines
661 B
C++
// 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 "fiddle/examples.h"
|
|
// HASH=1e0370f12c8aab5b84f9e824074f1e5a
|
|
REG_FIDDLE(ColorToHSV, 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) {
|
|
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
|