1*c8dee2aaSAndroid Build Coastguard Worker // Copyright 2019 Google LLC.
2*c8dee2aaSAndroid Build Coastguard Worker // Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3*c8dee2aaSAndroid Build Coastguard Worker #include "tools/fiddle/examples.h"
4*c8dee2aaSAndroid Build Coastguard Worker REG_FIDDLE(Paint_nothingToDraw, 256, 256, true, 0) {
draw(SkCanvas * canvas)5*c8dee2aaSAndroid Build Coastguard Worker void draw(SkCanvas* canvas) {
6*c8dee2aaSAndroid Build Coastguard Worker auto debugster = [](const char* prefix, const SkPaint& p) -> void {
7*c8dee2aaSAndroid Build Coastguard Worker SkDebugf("%s nothing to draw: %s\n", prefix,
8*c8dee2aaSAndroid Build Coastguard Worker p.nothingToDraw() ? "true" : "false");
9*c8dee2aaSAndroid Build Coastguard Worker };
10*c8dee2aaSAndroid Build Coastguard Worker SkPaint paint;
11*c8dee2aaSAndroid Build Coastguard Worker debugster("initial", paint);
12*c8dee2aaSAndroid Build Coastguard Worker paint.setBlendMode(SkBlendMode::kDst);
13*c8dee2aaSAndroid Build Coastguard Worker debugster("blend dst", paint);
14*c8dee2aaSAndroid Build Coastguard Worker paint.setBlendMode(SkBlendMode::kSrcOver);
15*c8dee2aaSAndroid Build Coastguard Worker debugster("blend src over", paint);
16*c8dee2aaSAndroid Build Coastguard Worker paint.setAlpha(0);
17*c8dee2aaSAndroid Build Coastguard Worker debugster("alpha 0", paint);
18*c8dee2aaSAndroid Build Coastguard Worker }
19*c8dee2aaSAndroid Build Coastguard Worker } // END FIDDLE
20