Source/core/rendering/svg/SVGTextMetricsBuilder.h - Issue 184103024: Refactor away SVGTextMetricsBuilder::advance

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Issue 184103024: Refactor away SVGTextMetricsBuilder::advance (Closed) Base URL: svn://svn.chromium.org/blink/trunk

Patch Set: Created 6 years, 9 months ago

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1 /*	1 /*

2 * Copyright (C) Research In Motion Limited 2010-2012. All rights reserved.	2 * Copyright (C) Research In Motion Limited 2010-2012. 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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34 struct MeasureTextData;	34 struct MeasureTextData;

35	35

36 class SVGTextMetricsBuilder {	36 class SVGTextMetricsBuilder {

37 WTF_MAKE_NONCOPYABLE(SVGTextMetricsBuilder);	37 WTF_MAKE_NONCOPYABLE(SVGTextMetricsBuilder);

38 public:	38 public:

39 SVGTextMetricsBuilder();	39 SVGTextMetricsBuilder();

40 void measureTextRenderer(RenderSVGInlineText*);	40 void measureTextRenderer(RenderSVGInlineText*);

41 void buildMetricsAndLayoutAttributes(RenderSVGText, RenderSVGInlineText st opAtLeaf, SVGCharacterDataMap& allCharactersMap);	41 void buildMetricsAndLayoutAttributes(RenderSVGText, RenderSVGInlineText st opAtLeaf, SVGCharacterDataMap& allCharactersMap);

42	42

43 private:	43 private:

44 bool advance();	44 SVGTextMetrics computeMetricsForCurrentCharacter();

45 void advanceSimpleText();	45 SVGTextMetrics computeMetricsForCurrentCharacterSimple();

46 void advanceComplexText();	46 SVGTextMetrics computeMetricsForCurrentCharacterComplex();

47 bool currentCharacterStartsSurrogatePair() const;	47 bool currentCharacterStartsSurrogatePair() const;

48	48

49 void initializeMeasurementWithTextRenderer(RenderSVGInlineText*);	49 void initializeMeasurementWithTextRenderer(RenderSVGInlineText*);

50 void walkTree(RenderObject, RenderSVGInlineText stopAtLeaf, MeasureTextDat a*);	50 void walkTree(RenderObject, RenderSVGInlineText stopAtLeaf, MeasureTextDat a*);

51 void measureTextRenderer(RenderSVGInlineText, MeasureTextData, bool proces sRenderer);	51 void measureTextRenderer(RenderSVGInlineText, MeasureTextData, bool proces sRenderer);

52	52

53 RenderSVGInlineText* m_text;	53 RenderSVGInlineText* m_text;

54 TextRun m_run;	54 TextRun m_run;

55 unsigned m_textPosition;	55 unsigned m_textPosition;

56 bool m_isComplexText;	56 bool m_isComplexText;

57 SVGTextMetrics m_currentMetrics;

58 float m_totalWidth;	57 float m_totalWidth;

59	58

60 // Simple text only.	59 // Simple text only.

61 OwnPtr<WidthIterator> m_simpleWidthIterator;	60 OwnPtr<WidthIterator> m_simpleWidthIterator;

62

63 // Complex text only.

64 SVGTextMetrics m_complexStartToCurrentMetrics;

65 };	61 };

66	62

67 } // namespace WebCore	63 } // namespace WebCore

68	64

69 #endif	65 #endif

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