xref: /aosp_15_r20/external/skia/docs/examples/RGBA4f_toSkColor.cpp (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)
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(RGBA4f_toSkColor, 256, 256, true, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6     float red = 0.07f, green = 0.13f, blue = 0.32f, alpha = 0.17f;
7     SkColor4f color4f = { red, green, blue, alpha };
8     SkColor argb = color4f.toSkColor();
9     SkDebugf("red=%u green=%u blue=%u alpha=%u\n", SkColorGetR(argb),
10              SkColorGetG(argb), SkColorGetB(argb), SkColorGetA(argb));
11     SkColor4f fromSkColor = SkColor4f::FromColor(argb);
12     SkDebugf("red=%g green=%g blue=%g alpha=%g\n", fromSkColor.fR, fromSkColor.fG,
13                                                    fromSkColor.fB, fromSkColor.fA);
14 }
15 }  // END FIDDLE
16