1cb93a386Sopenharmony_ci// Copyright 2019 Google LLC.
2cb93a386Sopenharmony_ci// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3cb93a386Sopenharmony_ci#include "tools/fiddle/examples.h"
4cb93a386Sopenharmony_ci// HASH=2973b05bfbb6b4c29332c8ac4fcf3995
5cb93a386Sopenharmony_ciREG_FIDDLE(Paint_nothingToDraw, 256, 256, true, 0) {
6cb93a386Sopenharmony_civoid draw(SkCanvas* canvas) {
7cb93a386Sopenharmony_ci    auto debugster = [](const char* prefix, const SkPaint& p) -> void {
8cb93a386Sopenharmony_ci        SkDebugf("%s nothing to draw: %s\n", prefix,
9cb93a386Sopenharmony_ci                 p.nothingToDraw() ? "true" : "false");
10cb93a386Sopenharmony_ci    };
11cb93a386Sopenharmony_ci    SkPaint paint;
12cb93a386Sopenharmony_ci    debugster("initial", paint);
13cb93a386Sopenharmony_ci    paint.setBlendMode(SkBlendMode::kDst);
14cb93a386Sopenharmony_ci    debugster("blend dst", paint);
15cb93a386Sopenharmony_ci    paint.setBlendMode(SkBlendMode::kSrcOver);
16cb93a386Sopenharmony_ci    debugster("blend src over", paint);
17cb93a386Sopenharmony_ci    paint.setAlpha(0);
18cb93a386Sopenharmony_ci    debugster("alpha 0", paint);
19cb93a386Sopenharmony_ci}
20cb93a386Sopenharmony_ci}  // END FIDDLE
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