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1 /* | 1 /* |
2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights | 2 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights |
3 * reserved. | 3 * reserved. |
4 * | 4 * |
5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
7 * are met: | 7 * are met: |
8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
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4071 } | 4071 } |
4072 | 4072 |
4073 Position SkipWhitespace(const Position& position) { | 4073 Position SkipWhitespace(const Position& position) { |
4074 return SkipWhitespaceAlgorithm(position); | 4074 return SkipWhitespaceAlgorithm(position); |
4075 } | 4075 } |
4076 | 4076 |
4077 PositionInFlatTree SkipWhitespace(const PositionInFlatTree& position) { | 4077 PositionInFlatTree SkipWhitespace(const PositionInFlatTree& position) { |
4078 return SkipWhitespaceAlgorithm(position); | 4078 return SkipWhitespaceAlgorithm(position); |
4079 } | 4079 } |
4080 | 4080 |
| 4081 static void CollectAbsoluteBoundsForRange(unsigned start, |
| 4082 unsigned end, |
| 4083 const LayoutText& layout_text, |
| 4084 Vector<IntRect>& rects) { |
| 4085 layout_text.AbsoluteRectsForRange(rects, start, end); |
| 4086 } |
| 4087 |
| 4088 static void CollectAbsoluteBoundsForRange(unsigned start, |
| 4089 unsigned end, |
| 4090 const LayoutText& layout_text, |
| 4091 Vector<FloatQuad>& quads) { |
| 4092 layout_text.AbsoluteQuadsForRange(quads, start, end); |
| 4093 } |
| 4094 |
| 4095 template <typename RectType> |
| 4096 static Vector<RectType> ComputeTextBounds(const EphemeralRange& range) { |
| 4097 const Position& start_position = range.StartPosition(); |
| 4098 const Position& end_position = range.EndPosition(); |
| 4099 Node* const start_container = start_position.ComputeContainerNode(); |
| 4100 DCHECK(start_container); |
| 4101 Node* const end_container = end_position.ComputeContainerNode(); |
| 4102 DCHECK(end_container); |
| 4103 |
| 4104 Vector<RectType> result; |
| 4105 for (const Node& node : range.Nodes()) { |
| 4106 LayoutObject* const layout_object = node.GetLayoutObject(); |
| 4107 if (!layout_object || !layout_object->IsText()) |
| 4108 continue; |
| 4109 const LayoutText* layout_text = ToLayoutText(layout_object); |
| 4110 unsigned start_offset = |
| 4111 node == start_container ? start_position.OffsetInContainerNode() : 0; |
| 4112 unsigned end_offset = node == end_container |
| 4113 ? end_position.OffsetInContainerNode() |
| 4114 : std::numeric_limits<unsigned>::max(); |
| 4115 CollectAbsoluteBoundsForRange(start_offset, end_offset, *layout_text, |
| 4116 result); |
| 4117 } |
| 4118 return result; |
| 4119 } |
| 4120 |
| 4121 Vector<IntRect> ComputeTextRects(const EphemeralRange& range) { |
| 4122 return ComputeTextBounds<IntRect>(range); |
| 4123 } |
| 4124 |
| 4125 Vector<FloatQuad> ComputeTextQuads(const EphemeralRange& range) { |
| 4126 return ComputeTextBounds<FloatQuad>(range); |
| 4127 } |
| 4128 |
4081 } // namespace blink | 4129 } // namespace blink |
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