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(ColorGetA, 256, 256, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkPaint paint;
7 SkFont defaultFont = SkFont(fontMgr->matchFamilyStyle(nullptr, {}));
8 paint.setColor(SK_ColorRED);
9 for (int alpha = 255; alpha >= 0; alpha -= 17) {
10 paint.setAlpha(alpha);
11 canvas->drawRect({5, 5, 100, 20}, paint);
12 SkAlpha alphaInPaint = SkColorGetA(paint.getColor());
13 canvas->drawString(std::to_string(alphaInPaint).c_str(), 110, 18, defaultFont, paint);
14 canvas->translate(0, 15);
15 }
16 }
17 } // END FIDDLE
18