Flutter Engine
The Flutter Engine
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Region_isEmpty.cpp
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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.
4// HASH=10ef0de39e8553dd97cf8668ce185070
5REG_FIDDLE(Region_isEmpty, 256, 256, true, 0) {
6void draw(SkCanvas* canvas) {
7 auto debugster = [](const char* label, SkRegion& region) -> void {
8 SkDebugf("%14s: region is %s" "empty\n", label, region.isEmpty() ? "" : "not ");
9 };
10 SkRegion region;
11 debugster("initial", region);
12 region.setRect({1, 2, 3, 4});
13 debugster("set rect", region);
14 region.setEmpty();
15 debugster("set empty", region);
16}
17} // END FIDDLE
void SK_SPI SkDebugf(const char format[],...) SK_PRINTF_LIKE(1
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
bool setEmpty()
Definition SkRegion.cpp:185
bool setRect(const SkIRect &rect)
Definition SkRegion.cpp:192
bool isEmpty() const
Definition SkRegion.h:146
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60