third_party/WebKit/Source/core/layout/LayoutFlowThread.h - Issue 1907443003: Translate flow thread coords to the nearest enclosing coord space when appropriate.

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Issue 1907443003: Translate flow thread coords to the nearest enclosing coord space when appropriate. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: Add a unit test too. Created 4 years, 8 months ago

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1 /*	1 /*

2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.	2 * Copyright (C) 2011 Adobe Systems Incorporated. All rights reserved.

3 *	3 *

4 * Redistribution and use in source and binary forms, with or without	4 * Redistribution and use in source and binary forms, with or without

5 * modification, are permitted provided that the following conditions	5 * modification, are permitted provided that the following conditions

6 * are met:	6 * are met:

7 *	7 *

8 * 1. Redistributions of source code must retain the above	8 * 1. Redistributions of source code must retain the above

9 * copyright notice, this list of conditions and the following	9 * copyright notice, this list of conditions and the following

10 * disclaimer.	10 * disclaimer.

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98	98

99 virtual bool isPageLogicalHeightKnown() const { return true; }	99 virtual bool isPageLogicalHeightKnown() const { return true; }

100 bool pageLogicalSizeChanged() const { return m_pageLogicalSizeChanged; }	100 bool pageLogicalSizeChanged() const { return m_pageLogicalSizeChanged; }

101	101

102 void collectLayerFragments(PaintLayerFragments&, const LayoutRect& layerBoun dingBox, const LayoutRect& dirtyRectInFlowThread);	102 void collectLayerFragments(PaintLayerFragments&, const LayoutRect& layerBoun dingBox, const LayoutRect& dirtyRectInFlowThread);

103	103

104 // Return the visual bounding box based on the supplied flow-thread bounding box. Both	104 // Return the visual bounding box based on the supplied flow-thread bounding box. Both

105 // rectangles are completely physical in terms of writing mode.	105 // rectangles are completely physical in terms of writing mode.

106 LayoutRect fragmentsBoundingBox(const LayoutRect& layerBoundingBox) const;	106 LayoutRect fragmentsBoundingBox(const LayoutRect& layerBoundingBox) const;

107	107

108 LayoutPoint flowThreadPointToVisualPoint(const LayoutPoint& flowThreadPoint) const	108 virtual LayoutPoint flowThreadPointToVisualPoint(const LayoutPoint& flowThre adPoint) const = 0;

109 {

110 return flowThreadPoint + columnOffset(flowThreadPoint);

111 }

112

113 virtual LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPo int) const = 0;	109 virtual LayoutPoint visualPointToFlowThreadPoint(const LayoutPoint& visualPo int) const = 0;

114	110

115 virtual LayoutMultiColumnSet* columnSetAtBlockOffset(LayoutUnit) const = 0;	111 virtual LayoutMultiColumnSet* columnSetAtBlockOffset(LayoutUnit) const = 0;

116	112

117 virtual const char* name() const = 0;	113 virtual const char* name() const = 0;

118	114

119 protected:	115 protected:

120 void generateColumnSetIntervalTree();	116 void generateColumnSetIntervalTree();

121	117

122 LayoutMultiColumnSetList m_multiColumnSetList;	118 LayoutMultiColumnSetList m_multiColumnSetList;

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154 // These structures are used by PODIntervalTree for debugging.	150 // These structures are used by PODIntervalTree for debugging.

155 #ifndef NDEBUG	151 #ifndef NDEBUG

156 template <> struct ValueToString<LayoutMultiColumnSet*> {	152 template <> struct ValueToString<LayoutMultiColumnSet*> {

157 static String toString(const LayoutMultiColumnSet* value) { return String::f ormat("%p", value); }	153 static String toString(const LayoutMultiColumnSet* value) { return String::f ormat("%p", value); }

158 };	154 };

159 #endif	155 #endif

160	156

161 } // namespace blink	157 } // namespace blink

162	158

163 #endif // LayoutFlowThread_h	159 #endif // LayoutFlowThread_h

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