skia2/docs/examples/PreMultiplyARGB.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
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>
2019-03-19 18:49:22 +00:00

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1015 B
C++

#if 0 // Disabled until updated to use current API.
// 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=756345484fd48ca0ea7b6cec350f73b8
REG_FIDDLE(PreMultiplyARGB, 300, 128, false, 0) {
void draw(SkCanvas* canvas) {
SkPMColor premultiplied = SkPreMultiplyARGB(160, 128, 160, 192);
canvas->drawString("Unpremultiplied:", 20, 20, SkPaint());
canvas->drawString("alpha=160 red=128 green=160 blue=192", 20, 40, SkPaint());
canvas->drawString("Premultiplied:", 20, 80, SkPaint());
std::string str = "alpha=" + std::to_string(SkColorGetA(premultiplied));
str += " red=" + std::to_string(SkColorGetR(premultiplied));
str += " green=" + std::to_string(SkColorGetG(premultiplied));
str += " blue=" + std::to_string(SkColorGetB(premultiplied));
canvas->drawString(str.c_str(), 20, 100, SkPaint());
}
} // END FIDDLE
#endif // Disabled until updated to use current API.