Source/core/rendering/svg/SVGTextQuery.h - Issue 349223003: Optimize SVGTextQuery's character offset ligature adjustment query

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Issue 349223003: Optimize SVGTextQuery's character offset ligature adjustment query (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 6 months ago

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1 /*	1 /*

2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.	2 * Copyright (C) Research In Motion Limited 2010. All rights reserved.

3 *	3 *

4 * This library is free software; you can redistribute it and/or	4 * This library is free software; you can redistribute it and/or

5 * modify it under the terms of the GNU Library General Public	5 * modify it under the terms of the GNU Library General Public

6 * License as published by the Free Software Foundation; either	6 * License as published by the Free Software Foundation; either

7 * version 2 of the License, or (at your option) any later version.	7 * version 2 of the License, or (at your option) any later version.

8 *	8 *

9 * This library is distributed in the hope that it will be useful,	9 * This library is distributed in the hope that it will be useful,

10 * but WITHOUT ANY WARRANTY; without even the implied warranty of	10 * but WITHOUT ANY WARRANTY; without even the implied warranty of

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46	46

47 // Public helper struct. Private classes in SVGTextQuery inherit from it.	47 // Public helper struct. Private classes in SVGTextQuery inherit from it.

48 struct Data;	48 struct Data;

49	49

50 private:	50 private:

51 typedef bool (SVGTextQuery::ProcessTextFragmentCallback)(Data, const SVGTe xtFragment&) const;	51 typedef bool (SVGTextQuery::ProcessTextFragmentCallback)(Data, const SVGTe xtFragment&) const;

52 bool executeQuery(Data*, ProcessTextFragmentCallback) const;	52 bool executeQuery(Data*, ProcessTextFragmentCallback) const;

53	53

54 void collectTextBoxesInFlowBox(InlineFlowBox*);	54 void collectTextBoxesInFlowBox(InlineFlowBox*);

55 bool mapStartEndPositionsIntoFragmentCoordinates(Data*, const SVGTextFragmen t&, int& startPosition, int& endPosition) const;	55 bool mapStartEndPositionsIntoFragmentCoordinates(Data*, const SVGTextFragmen t&, int& startPosition, int& endPosition) const;

	56 void modifyStartEndPositionsRespectingLigaturesCached(Data*, int& startPosit ion, int& endPosition) const;

56 void modifyStartEndPositionsRespectingLigatures(Data*, int& startPosition, i nt& endPosition) const;	57 void modifyStartEndPositionsRespectingLigatures(Data*, int& startPosition, i nt& endPosition) const;

57	58

58 private:	59 private:

59 bool numberOfCharactersCallback(Data*, const SVGTextFragment&) const;	60 bool numberOfCharactersCallback(Data*, const SVGTextFragment&) const;

60 bool textLengthCallback(Data*, const SVGTextFragment&) const;	61 bool textLengthCallback(Data*, const SVGTextFragment&) const;

61 bool subStringLengthCallback(Data*, const SVGTextFragment&) const;	62 bool subStringLengthCallback(Data*, const SVGTextFragment&) const;

62 bool startPositionOfCharacterCallback(Data*, const SVGTextFragment&) const;	63 bool startPositionOfCharacterCallback(Data*, const SVGTextFragment&) const;

63 bool endPositionOfCharacterCallback(Data*, const SVGTextFragment&) const;	64 bool endPositionOfCharacterCallback(Data*, const SVGTextFragment&) const;

64 bool rotationOfCharacterCallback(Data*, const SVGTextFragment&) const;	65 bool rotationOfCharacterCallback(Data*, const SVGTextFragment&) const;

65 bool extentOfCharacterCallback(Data*, const SVGTextFragment&) const;	66 bool extentOfCharacterCallback(Data*, const SVGTextFragment&) const;

66 bool characterNumberAtPositionCallback(Data*, const SVGTextFragment&) const;	67 bool characterNumberAtPositionCallback(Data*, const SVGTextFragment&) const;

67	68

68 private:	69 private:

69 Vector<SVGInlineTextBox*> m_textBoxes;	70 Vector<SVGInlineTextBox*> m_textBoxes;

70 };	71 };

71	72

72 }	73 }

73	74

74 #endif	75 #endif

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