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1 /* | 1 /* |
2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) | 2 * Copyright (C) 2000 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Antti Koivisto (koivisto@kde.org) | 3 * (C) 2000 Antti Koivisto (koivisto@kde.org) |
4 * (C) 2000 Dirk Mueller (mueller@kde.org) | 4 * (C) 2000 Dirk Mueller (mueller@kde.org) |
5 * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved. | 5 * Copyright (C) 2003, 2006, 2007, 2010, 2011 Apple Inc. All rights reserved. |
6 * Copyright (C) 2008 Holger Hans Peter Freyther | 6 * Copyright (C) 2008 Holger Hans Peter Freyther |
7 * | 7 * |
8 * This library is free software; you can redistribute it and/or | 8 * This library is free software; you can redistribute it and/or |
9 * modify it under the terms of the GNU Library General Public | 9 * modify it under the terms of the GNU Library General Public |
10 * License as published by the Free Software Foundation; either | 10 * License as published by the Free Software Foundation; either |
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93 Font& operator=(const Font&); | 93 Font& operator=(const Font&); |
94 | 94 |
95 bool operator==(const Font& other) const; | 95 bool operator==(const Font& other) const; |
96 bool operator!=(const Font& other) const { return !(*this == other); } | 96 bool operator!=(const Font& other) const { return !(*this == other); } |
97 | 97 |
98 const FontDescription& fontDescription() const { return m_fontDescription; } | 98 const FontDescription& fontDescription() const { return m_fontDescription; } |
99 | 99 |
100 void update(PassRefPtrWillBeRawPtr<FontSelector>) const; | 100 void update(PassRefPtrWillBeRawPtr<FontSelector>) const; |
101 | 101 |
102 enum CustomFontNotReadyAction { DoNotPaintIfFontNotReady, UseFallbackIfFontN
otReady }; | 102 enum CustomFontNotReadyAction { DoNotPaintIfFontNotReady, UseFallbackIfFontN
otReady }; |
103 float drawText(GraphicsContext*, const TextRunPaintInfo&, const FloatPoint&,
CustomFontNotReadyAction = DoNotPaintIfFontNotReady) const; | 103 void drawText(GraphicsContext*, const TextRunPaintInfo&, const FloatPoint&)
const; |
| 104 float drawUncachedText(GraphicsContext*, const TextRunPaintInfo&, const Floa
tPoint&, |
| 105 CustomFontNotReadyAction) const; |
104 void drawEmphasisMarks(GraphicsContext*, const TextRunPaintInfo&, const Atom
icString& mark, const FloatPoint&) const; | 106 void drawEmphasisMarks(GraphicsContext*, const TextRunPaintInfo&, const Atom
icString& mark, const FloatPoint&) const; |
105 | 107 |
106 float width(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts =
0, GlyphOverflow* = 0) const; | 108 float width(const TextRun&, HashSet<const SimpleFontData*>* fallbackFonts =
0, GlyphOverflow* = 0) const; |
107 float width(const TextRun&, int& charsConsumed, Glyph& glyphId) const; | 109 float width(const TextRun&, int& charsConsumed, Glyph& glyphId) const; |
108 | 110 |
109 int offsetForPosition(const TextRun&, float position, bool includePartialGly
phs) const; | 111 int offsetForPosition(const TextRun&, float position, bool includePartialGly
phs) const; |
110 FloatRect selectionRectForText(const TextRun&, const FloatPoint&, int h, int
from = 0, int to = -1, bool accountForGlyphBounds = false) const; | 112 FloatRect selectionRectForText(const TextRun&, const FloatPoint&, int h, int
from = 0, int to = -1, bool accountForGlyphBounds = false) const; |
111 | 113 |
112 bool isFixedPitch() const; | 114 bool isFixedPitch() const; |
113 | 115 |
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126 inline GlyphData glyphDataForCharacter(UChar32& c, bool mirror, bool spaceNo
rmalize = false, FontDataVariant variant = AutoVariant) const | 128 inline GlyphData glyphDataForCharacter(UChar32& c, bool mirror, bool spaceNo
rmalize = false, FontDataVariant variant = AutoVariant) const |
127 { | 129 { |
128 return glyphDataAndPageForCharacter(c, mirror, spaceNormalize, variant).
first; | 130 return glyphDataAndPageForCharacter(c, mirror, spaceNormalize, variant).
first; |
129 } | 131 } |
130 | 132 |
131 std::pair<GlyphData, GlyphPage*> glyphDataAndPageForCharacter(UChar32&, bool
mirror, bool normalizeSpace = false, FontDataVariant = AutoVariant) const; | 133 std::pair<GlyphData, GlyphPage*> glyphDataAndPageForCharacter(UChar32&, bool
mirror, bool normalizeSpace = false, FontDataVariant = AutoVariant) const; |
132 bool primaryFontHasGlyphForCharacter(UChar32) const; | 134 bool primaryFontHasGlyphForCharacter(UChar32) const; |
133 | 135 |
134 CodePath codePath(const TextRunPaintInfo&) const; | 136 CodePath codePath(const TextRunPaintInfo&) const; |
135 | 137 |
136 PassTextBlobPtr buildTextBlob(const TextRunPaintInfo&, const FloatPoint& tex
tOrigin, bool couldUseLCDRenderedText, CustomFontNotReadyAction = DoNotPaintIfFo
ntNotReady) const; | |
137 void drawTextBlob(GraphicsContext*, const SkTextBlob*, const SkPoint& origin
) const; | |
138 | |
139 private: | 138 private: |
140 enum ForTextEmphasisOrNot { NotForTextEmphasis, ForTextEmphasis }; | 139 enum ForTextEmphasisOrNot { NotForTextEmphasis, ForTextEmphasis }; |
141 | 140 |
142 // Returns the initial in-stream advance. | 141 // Returns the initial in-stream advance. |
143 float getGlyphsAndAdvancesForSimpleText(const TextRunPaintInfo&, GlyphBuffer
&, ForTextEmphasisOrNot = NotForTextEmphasis) const; | 142 float buildGlyphBuffer(const TextRunPaintInfo&, GlyphBuffer&, ForTextEmphasi
sOrNot = NotForTextEmphasis) const; |
144 float drawSimpleText(GraphicsContext*, const TextRunPaintInfo&, const FloatP
oint&) const; | 143 PassTextBlobPtr buildTextBlob(const GlyphBuffer&, float initialAdvance, cons
t FloatRect& bounds, |
145 void drawEmphasisMarksForSimpleText(GraphicsContext*, const TextRunPaintInfo
&, const AtomicString& mark, const FloatPoint&) const; | 144 bool couldUseLCD) const; |
146 void drawGlyphs(GraphicsContext*, const SimpleFontData*, const GlyphBuffer&,
unsigned from, unsigned numGlyphs, const FloatPoint&, const FloatRect& textRect
) const; | 145 void drawGlyphs(GraphicsContext*, const SimpleFontData*, const GlyphBuffer&,
unsigned from, unsigned numGlyphs, const FloatPoint&, const FloatRect& textRect
) const; |
| 146 void drawTextBlob(GraphicsContext*, const SkTextBlob*, const SkPoint& origin
) const; |
147 float drawGlyphBuffer(GraphicsContext*, const TextRunPaintInfo&, const Glyph
Buffer&, const FloatPoint&) const; | 147 float drawGlyphBuffer(GraphicsContext*, const TextRunPaintInfo&, const Glyph
Buffer&, const FloatPoint&) const; |
148 void drawEmphasisMarks(GraphicsContext*, const TextRunPaintInfo&, const Glyp
hBuffer&, const AtomicString&, const FloatPoint&) const; | 148 void drawEmphasisMarks(GraphicsContext*, const TextRunPaintInfo&, const Glyp
hBuffer&, const AtomicString&, const FloatPoint&) const; |
149 float floatWidthForSimpleText(const TextRun&, HashSet<const SimpleFontData*>
* fallbackFonts = 0, IntRectExtent* glyphBounds = 0) const; | 149 float floatWidthForSimpleText(const TextRun&, HashSet<const SimpleFontData*>
* fallbackFonts = 0, IntRectExtent* glyphBounds = 0) const; |
150 int offsetForPositionForSimpleText(const TextRun&, float position, bool incl
udePartialGlyphs) const; | 150 int offsetForPositionForSimpleText(const TextRun&, float position, bool incl
udePartialGlyphs) const; |
151 FloatRect selectionRectForSimpleText(const TextRun&, const FloatPoint&, int
h, int from, int to, bool accountForGlyphBounds) const; | 151 FloatRect selectionRectForSimpleText(const TextRun&, const FloatPoint&, int
h, int from, int to, bool accountForGlyphBounds) const; |
152 | 152 |
153 bool getEmphasisMarkGlyphData(const AtomicString&, GlyphData&) const; | 153 bool getEmphasisMarkGlyphData(const AtomicString&, GlyphData&) const; |
154 | 154 |
155 // Returns the initial in-stream advance. | |
156 float getGlyphsAndAdvancesForComplexText(const TextRunPaintInfo&, GlyphBuffe
r&, ForTextEmphasisOrNot = NotForTextEmphasis) const; | |
157 float drawComplexText(GraphicsContext*, const TextRunPaintInfo&, const Float
Point&) const; | |
158 void drawEmphasisMarksForComplexText(GraphicsContext*, const TextRunPaintInf
o&, const AtomicString& mark, const FloatPoint&) const; | |
159 float floatWidthForComplexText(const TextRun&, HashSet<const SimpleFontData*
>* fallbackFonts, IntRectExtent* glyphBounds) const; | 155 float floatWidthForComplexText(const TextRun&, HashSet<const SimpleFontData*
>* fallbackFonts, IntRectExtent* glyphBounds) const; |
160 int offsetForPositionForComplexText(const TextRun&, float position, bool inc
ludePartialGlyphs) const; | 156 int offsetForPositionForComplexText(const TextRun&, float position, bool inc
ludePartialGlyphs) const; |
161 FloatRect selectionRectForComplexText(const TextRun&, const FloatPoint&, int
h, int from, int to) const; | 157 FloatRect selectionRectForComplexText(const TextRun&, const FloatPoint&, int
h, int from, int to) const; |
162 | 158 |
163 PassTextBlobPtr buildTextBlobForSimpleText(const TextRunPaintInfo&, const Fl
oatPoint& textOrigin, bool couldUseLCDRenderedText) const; | |
164 PassTextBlobPtr buildTextBlob(const GlyphBuffer&, float initialAdvance, cons
t FloatRect& bounds, float& advance, bool couldUseLCD) const; | |
165 | |
166 friend struct SimpleShaper; | 159 friend struct SimpleShaper; |
167 friend class SVGTextRunRenderingContext; | 160 friend class SVGTextRunRenderingContext; |
168 | 161 |
169 public: | 162 public: |
170 FontSelector* fontSelector() const; | 163 FontSelector* fontSelector() const; |
171 | 164 |
172 FontFallbackList* fontList() const { return m_fontFallbackList.get(); } | 165 FontFallbackList* fontList() const { return m_fontFallbackList.get(); } |
173 | 166 |
174 void willUseFontData(UChar32) const; | 167 void willUseFontData(UChar32) const; |
175 | 168 |
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220 { | 213 { |
221 if (!tabSize) | 214 if (!tabSize) |
222 return fontDescription().letterSpacing(); | 215 return fontDescription().letterSpacing(); |
223 float tabWidth = tabSize * fontData.spaceWidth() + fontDescription().letterS
pacing(); | 216 float tabWidth = tabSize * fontData.spaceWidth() + fontDescription().letterS
pacing(); |
224 return tabWidth - fmodf(position, tabWidth); | 217 return tabWidth - fmodf(position, tabWidth); |
225 } | 218 } |
226 | 219 |
227 } // namespace blink | 220 } // namespace blink |
228 | 221 |
229 #endif | 222 #endif |
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