aosp12/external/skia/docs/examples/Region_setEmpty.cpp

18 lines
693 B
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "tools/fiddle/examples.h"
// HASH=1314f7250963775c5ee89cc5981eee24
REG_FIDDLE(Region_setEmpty, 256, 256, true, 0) {
void draw(SkCanvas* canvas) {
auto debugster = [](const char* label, SkRegion& region) -> void {
auto r = region.getBounds();
SkDebugf("%14s: {%d,%d,%d,%d}\n", label, r.fLeft, r.fTop, r.fRight, r.fBottom);
};
SkRegion region({1, 2, 3, 4});
debugster("region bounds", region);
region.setEmpty();
SkDebugf(" after region set empty:\n");
debugster("region bounds", region);
}
} // END FIDDLE