docs/examples/RGBA4f_toSkColor.cpp

// 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(RGBA4f_toSkColor, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
    float red = 0.07f, green = 0.13f, blue = 0.32f, alpha = 0.17f;
    SkColor4f color4f = { red, green, blue, alpha };
    SkColor argb = color4f.toSkColor();
    SkDebugf("red=%u green=%u blue=%u alpha=%u\n", SkColorGetR(argb),
             SkColorGetG(argb), SkColorGetB(argb), SkColorGetA(argb));
    SkColor4f fromSkColor = SkColor4f::FromColor(argb);
    SkDebugf("red=%g green=%g blue=%g alpha=%g\n", fromSkColor.fR, fromSkColor.fG,
                                                   fromSkColor.fB, fromSkColor.fA);
}
}  // END FIDDLE