| OLD | NEW |
| (Empty) |
| 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/base/region.h" | |
| 6 | |
| 7 #include "base/trace_event/trace_event_argument.h" | |
| 8 #include "base/values.h" | |
| 9 #include "cc/base/simple_enclosed_region.h" | |
| 10 | |
| 11 namespace cc { | |
| 12 | |
| 13 Region::Region() { | |
| 14 } | |
| 15 | |
| 16 Region::Region(const Region& region) | |
| 17 : skregion_(region.skregion_) { | |
| 18 } | |
| 19 | |
| 20 Region::Region(const gfx::Rect& rect) | |
| 21 : skregion_(gfx::RectToSkIRect(rect)) { | |
| 22 } | |
| 23 | |
| 24 Region::~Region() { | |
| 25 } | |
| 26 | |
| 27 const Region& Region::operator=(const gfx::Rect& rect) { | |
| 28 skregion_ = SkRegion(gfx::RectToSkIRect(rect)); | |
| 29 return *this; | |
| 30 } | |
| 31 | |
| 32 const Region& Region::operator=(const Region& region) { | |
| 33 skregion_ = region.skregion_; | |
| 34 return *this; | |
| 35 } | |
| 36 | |
| 37 void Region::Swap(Region* region) { | |
| 38 region->skregion_.swap(skregion_); | |
| 39 } | |
| 40 | |
| 41 void Region::Clear() { | |
| 42 skregion_.setEmpty(); | |
| 43 } | |
| 44 | |
| 45 bool Region::IsEmpty() const { | |
| 46 return skregion_.isEmpty(); | |
| 47 } | |
| 48 | |
| 49 int Region::GetRegionComplexity() const { | |
| 50 return skregion_.computeRegionComplexity(); | |
| 51 } | |
| 52 | |
| 53 bool Region::Contains(const gfx::Point& point) const { | |
| 54 return skregion_.contains(point.x(), point.y()); | |
| 55 } | |
| 56 | |
| 57 bool Region::Contains(const gfx::Rect& rect) const { | |
| 58 if (rect.IsEmpty()) | |
| 59 return true; | |
| 60 return skregion_.contains(gfx::RectToSkIRect(rect)); | |
| 61 } | |
| 62 | |
| 63 bool Region::Contains(const Region& region) const { | |
| 64 if (region.IsEmpty()) | |
| 65 return true; | |
| 66 return skregion_.contains(region.skregion_); | |
| 67 } | |
| 68 | |
| 69 bool Region::Intersects(const gfx::Rect& rect) const { | |
| 70 return skregion_.intersects(gfx::RectToSkIRect(rect)); | |
| 71 } | |
| 72 | |
| 73 bool Region::Intersects(const Region& region) const { | |
| 74 return skregion_.intersects(region.skregion_); | |
| 75 } | |
| 76 | |
| 77 void Region::Subtract(const gfx::Rect& rect) { | |
| 78 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kDifference_Op); | |
| 79 } | |
| 80 | |
| 81 void Region::Subtract(const Region& region) { | |
| 82 skregion_.op(region.skregion_, SkRegion::kDifference_Op); | |
| 83 } | |
| 84 | |
| 85 void Region::Subtract(const SimpleEnclosedRegion& region) { | |
| 86 for (size_t i = 0; i < region.GetRegionComplexity(); ++i) { | |
| 87 skregion_.op(gfx::RectToSkIRect(region.GetRect(i)), | |
| 88 SkRegion::kDifference_Op); | |
| 89 } | |
| 90 } | |
| 91 | |
| 92 void Region::Union(const gfx::Rect& rect) { | |
| 93 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kUnion_Op); | |
| 94 } | |
| 95 | |
| 96 void Region::Union(const Region& region) { | |
| 97 skregion_.op(region.skregion_, SkRegion::kUnion_Op); | |
| 98 } | |
| 99 | |
| 100 void Region::Intersect(const gfx::Rect& rect) { | |
| 101 skregion_.op(gfx::RectToSkIRect(rect), SkRegion::kIntersect_Op); | |
| 102 } | |
| 103 | |
| 104 void Region::Intersect(const Region& region) { | |
| 105 skregion_.op(region.skregion_, SkRegion::kIntersect_Op); | |
| 106 } | |
| 107 | |
| 108 std::string Region::ToString() const { | |
| 109 if (IsEmpty()) | |
| 110 return gfx::Rect().ToString(); | |
| 111 | |
| 112 std::string result; | |
| 113 for (Iterator it(*this); it.has_rect(); it.next()) { | |
| 114 if (!result.empty()) | |
| 115 result += " | "; | |
| 116 result += it.rect().ToString(); | |
| 117 } | |
| 118 return result; | |
| 119 } | |
| 120 | |
| 121 scoped_ptr<base::Value> Region::AsValue() const { | |
| 122 scoped_ptr<base::ListValue> result(new base::ListValue()); | |
| 123 for (Iterator it(*this); it.has_rect(); it.next()) { | |
| 124 gfx::Rect rect(it.rect()); | |
| 125 result->AppendInteger(rect.x()); | |
| 126 result->AppendInteger(rect.y()); | |
| 127 result->AppendInteger(rect.width()); | |
| 128 result->AppendInteger(rect.height()); | |
| 129 } | |
| 130 return result.Pass(); | |
| 131 } | |
| 132 | |
| 133 void Region::AsValueInto(base::trace_event::TracedValue* result) const { | |
| 134 for (Iterator it(*this); it.has_rect(); it.next()) { | |
| 135 gfx::Rect rect(it.rect()); | |
| 136 result->AppendInteger(rect.x()); | |
| 137 result->AppendInteger(rect.y()); | |
| 138 result->AppendInteger(rect.width()); | |
| 139 result->AppendInteger(rect.height()); | |
| 140 } | |
| 141 } | |
| 142 | |
| 143 Region::Iterator::Iterator() { | |
| 144 } | |
| 145 | |
| 146 Region::Iterator::Iterator(const Region& region) | |
| 147 : it_(region.skregion_) { | |
| 148 } | |
| 149 | |
| 150 Region::Iterator::~Iterator() { | |
| 151 } | |
| 152 | |
| 153 } // namespace cc | |
| OLD | NEW |