21 lines
770 B
C++
21 lines
770 B
C++
// Copyright 2019 Google LLC.
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// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
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#include "tools/fiddle/examples.h"
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// HASH=2973b05bfbb6b4c29332c8ac4fcf3995
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REG_FIDDLE(Paint_nothingToDraw, 256, 256, true, 0) {
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void draw(SkCanvas* canvas) {
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auto debugster = [](const char* prefix, const SkPaint& p) -> void {
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SkDebugf("%s nothing to draw: %s\n", prefix,
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p.nothingToDraw() ? "true" : "false");
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};
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SkPaint paint;
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debugster("initial", paint);
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paint.setBlendMode(SkBlendMode::kDst);
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debugster("blend dst", paint);
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paint.setBlendMode(SkBlendMode::kSrcOver);
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debugster("blend src over", paint);
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paint.setAlpha(0);
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debugster("alpha 0", paint);
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}
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} // END FIDDLE
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