1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "ui/gfx/path.h"
6
7#include "base/memory/scoped_ptr.h"
8#include "third_party/skia/include/core/SkRegion.h"
9
10namespace gfx {
11
12SkRegion* Path::CreateNativeRegion() const {
13  // Create a clip region that contains |this| path.
14  const SkRect bounds = getBounds();
15  SkIRect ibounds;
16  bounds.round(&ibounds);
17  SkRegion clip_region;
18  clip_region.setRect(ibounds);
19
20  SkRegion* region = new SkRegion;
21  region->setPath(*this, clip_region);
22  return region;
23}
24
25// static
26NativeRegion Path::IntersectRegions(NativeRegion r1, NativeRegion r2) {
27  SkRegion* new_region = new SkRegion;
28  new_region->op(*r1, *r2, SkRegion::kIntersect_Op);
29  return new_region;
30}
31
32// static
33NativeRegion Path::CombineRegions(NativeRegion r1, NativeRegion r2) {
34  SkRegion* new_region = new SkRegion;
35  new_region->op(*r1, *r2, SkRegion::kUnion_Op);
36  return new_region;
37}
38
39// static
40NativeRegion Path::SubtractRegion(NativeRegion r1, NativeRegion r2) {
41  SkRegion* new_region = new SkRegion;
42  new_region->op(*r1, *r2, SkRegion::kDifference_Op);
43  return new_region;
44}
45
46}  // namespace gfx
47