skia2/docs/examples/Region_setRegion.cpp

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// 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 "fiddle/examples.h"
// HASH=5d75d22bd155576838155762ab040751
REG_FIDDLE(Region_setRegion, 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});
SkRegion region2;
region2.setRegion(region);
debugster("region bounds", region);
debugster("region2 bounds", region2);
region2.setEmpty();
SkDebugf(" after region set empty:\n");
debugster("region bounds", region);
debugster("region2 bounds", region2);
}
} // END FIDDLE