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| 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 "cc/region.h" | |
| 6 | |
| 7 namespace cc { | |
| 8 | |
| 9 Region::Region() { | |
| 10 } | |
| 11 | |
| 12 Region::Region(const Region& region) | |
| 13 : skregion_(region.skregion_) { | |
| 14 } | |
| 15 | |
| 16 Region::Region(gfx::Rect rect) | |
| 17 : skregion_(gfx::RectToSkIRect(rect)) { | |
| 18 } | |
| 19 | |
| 20 Region::~Region() { | |
| 21 } | |
| 22 | |
| 23 const Region& Region::operator=(gfx::Rect rect) { | |
| 24 skregion_ = SkRegion(gfx::RectToSkIRect(rect)); | |
| 25 return *this; | |
| 26 } | |
| 27 | |
| 28 const Region& Region::operator=(const Region& region) { | |
| 29 skregion_ = region.skregion_; | |
| 30 return *this; | |
| 31 } | |
| 32 | |
| 33 void Region::Swap(Region& region) { | |
| 34 region.skregion_.swap(skregion_); | |
| 35 } | |
| 36 | |
| 37 void Region::Clear() { | |
| 38 skregion_.setEmpty(); | |
| 39 } | |
| 40 | |
| 41 bool Region::IsEmpty() const { | |
| 42 return skregion_.isEmpty(); | |
| 43 } | |
| 44 | |
| 45 bool Region::Contains(gfx::Point point) const { | |
| 46 return skregion_.contains(point.x(), point.y()); | |
| 47 } | |
| 48 | |
| 49 bool Region::Contains(gfx::Rect rect) const { | |
| 50 if (rect.IsEmpty()) | |
| 51 return true; | |
| 52 return skregion_.contains(gfx::RectToSkIRect(rect)); | |
| 53 } | |
| 54 | |
| 55 bool Region::Contains(const Region& region) const { | |
| 56 if (region.IsEmpty()) | |
| 57 return true; | |
| 58 return skregion_.contains(region.skregion_); | |
| 59 } | |
| 60 | |
| 61 bool Region::Intersects(gfx::Rect rect) const { | |
| 62 return skregion_.intersects(gfx::RectToSkIRect(rect)); | |
| 63 } | |
| 64 | |
| 65 bool Region::Intersects(const Region& region) const { | |
| 66 return skregion_.intersects(region.skregion_); | |
| 67 } | |
| 68 | |
| 69 void Region::Subtract(gfx::Rect rect) { | |
| 70 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kDifference_Op); | |
| 71 } | |
| 72 | |
| 73 void Region::Subtract(const Region& region) { | |
| 74 skregion_.op(region.skregion_, SkRegion::kDifference_Op); | |
| 75 } | |
| 76 | |
| 77 void Region::Union(gfx::Rect rect) { | |
| 78 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kUnion_Op); | |
| 79 } | |
| 80 | |
| 81 void Region::Union(const Region& region) { | |
| 82 skregion_.op(region.skregion_, SkRegion::kUnion_Op); | |
| 83 } | |
| 84 | |
| 85 void Region::Intersect(gfx::Rect rect) { | |
| 86 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kIntersect_Op); | |
| 87 } | |
| 88 | |
| 89 void Region::Intersect(const Region& region) { | |
| 90 skregion_.op(region.skregion_, SkRegion::kIntersect_Op); | |
| 91 } | |
| 92 | |
| 93 std::string Region::ToString() const { | |
| 94 if (IsEmpty()) | |
| 95 return gfx::Rect().ToString(); | |
| 96 | |
| 97 std::string result; | |
| 98 for (Iterator it(*this); it.has_rect(); it.next()) { | |
| 99 if (!result.empty()) | |
| 100 result += " | "; | |
| 101 result += it.rect().ToString(); | |
| 102 } | |
| 103 return result; | |
| 104 } | |
| 105 | |
| 106 Region::Iterator::Iterator() { | |
| 107 } | |
| 108 | |
| 109 Region::Iterator::Iterator(const Region& region) | |
| 110 : it_(region.skregion_) { | |
| 111 } | |
| 112 | |
| 113 Region::Iterator::~Iterator() { | |
| 114 } | |
| 115 | |
| 116 } // namespace cc | |
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Chromium Code Reviews
Issue 12472028:
Part 1 of cc/ directory shuffles: base (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src