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1 /* | 1 /* |
2 * (C) 1999 Lars Knoll (knoll@kde.org) | 2 * (C) 1999 Lars Knoll (knoll@kde.org) |
3 * (C) 2000 Dirk Mueller (mueller@kde.org) | 3 * (C) 2000 Dirk Mueller (mueller@kde.org) |
4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. | 4 * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. All rights reserved. |
5 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) | 5 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) |
6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) | 6 * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com) |
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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28 #include "core/dom/AXObjectCache.h" | 28 #include "core/dom/AXObjectCache.h" |
29 #include "core/dom/Text.h" | 29 #include "core/dom/Text.h" |
30 #include "core/editing/VisiblePosition.h" | 30 #include "core/editing/VisiblePosition.h" |
31 #include "core/editing/iterators/TextIterator.h" | 31 #include "core/editing/iterators/TextIterator.h" |
32 #include "core/frame/FrameView.h" | 32 #include "core/frame/FrameView.h" |
33 #include "core/frame/Settings.h" | 33 #include "core/frame/Settings.h" |
34 #include "core/html/parser/TextResourceDecoder.h" | 34 #include "core/html/parser/TextResourceDecoder.h" |
35 #include "core/layout/LayoutBlock.h" | 35 #include "core/layout/LayoutBlock.h" |
36 #include "core/layout/LayoutTextCombine.h" | 36 #include "core/layout/LayoutTextCombine.h" |
37 #include "core/layout/LayoutView.h" | 37 #include "core/layout/LayoutView.h" |
38 #include "core/layout/TextRunConstructor.h" | |
39 #include "core/layout/line/AbstractInlineTextBox.h" | 38 #include "core/layout/line/AbstractInlineTextBox.h" |
40 #include "core/layout/line/EllipsisBox.h" | 39 #include "core/layout/line/EllipsisBox.h" |
41 #include "core/layout/line/GlyphOverflow.h" | 40 #include "core/layout/line/GlyphOverflow.h" |
42 #include "core/layout/line/InlineTextBox.h" | 41 #include "core/layout/line/InlineTextBox.h" |
43 #include "core/paint/DeprecatedPaintLayer.h" | 42 #include "core/paint/DeprecatedPaintLayer.h" |
44 #include "platform/fonts/Character.h" | 43 #include "platform/fonts/Character.h" |
45 #include "platform/fonts/FontCache.h" | 44 #include "platform/fonts/FontCache.h" |
46 #include "platform/geometry/FloatQuad.h" | 45 #include "platform/geometry/FloatQuad.h" |
47 #include "platform/text/BidiResolver.h" | 46 #include "platform/text/BidiResolver.h" |
48 #include "platform/text/TextBreakIterator.h" | 47 #include "platform/text/TextBreakIterator.h" |
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850 return m_maxWidth; | 849 return m_maxWidth; |
851 } | 850 } |
852 | 851 |
853 void LayoutText::computePreferredLogicalWidths(float leadWidth) | 852 void LayoutText::computePreferredLogicalWidths(float leadWidth) |
854 { | 853 { |
855 HashSet<const SimpleFontData*> fallbackFonts; | 854 HashSet<const SimpleFontData*> fallbackFonts; |
856 FloatRect glyphBounds; | 855 FloatRect glyphBounds; |
857 computePreferredLogicalWidths(leadWidth, fallbackFonts, glyphBounds); | 856 computePreferredLogicalWidths(leadWidth, fallbackFonts, glyphBounds); |
858 } | 857 } |
859 | 858 |
860 static inline float hyphenWidth(LayoutText* layoutObject, const Font& font, Text
Direction direction) | |
861 { | |
862 const ComputedStyle& style = layoutObject->styleRef(); | |
863 return font.width(constructTextRun(layoutObject, font, style.hyphenString().
string(), style, direction)); | |
864 } | |
865 | |
866 void LayoutText::computePreferredLogicalWidths(float leadWidth, HashSet<const Si
mpleFontData*>& fallbackFonts, FloatRect& glyphBounds) | 859 void LayoutText::computePreferredLogicalWidths(float leadWidth, HashSet<const Si
mpleFontData*>& fallbackFonts, FloatRect& glyphBounds) |
867 { | 860 { |
868 ASSERT(m_hasTab || preferredLogicalWidthsDirty() || !m_knownToHaveNoOverflow
AndNoFallbackFonts); | 861 ASSERT(m_hasTab || preferredLogicalWidthsDirty() || !m_knownToHaveNoOverflow
AndNoFallbackFonts); |
869 | 862 |
870 m_minWidth = 0; | 863 m_minWidth = 0; |
871 m_maxWidth = 0; | 864 m_maxWidth = 0; |
872 m_firstLineMinWidth = 0; | 865 m_firstLineMinWidth = 0; |
873 m_lastLineLineMinWidth = 0; | 866 m_lastLineLineMinWidth = 0; |
874 | 867 |
875 if (isBR()) | 868 if (isBR()) |
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1012 cachedWordTrailingSpaceWidth[textDirection] = f.width(constr
uctTextRun(this, f, &spaceCharacter, 1, styleToUse, textDirection)) + wordSpacin
g; | 1005 cachedWordTrailingSpaceWidth[textDirection] = f.width(constr
uctTextRun(this, f, &spaceCharacter, 1, styleToUse, textDirection)) + wordSpacin
g; |
1013 wordTrailingSpaceWidth = cachedWordTrailingSpaceWidth[textDirect
ion]; | 1006 wordTrailingSpaceWidth = cachedWordTrailingSpaceWidth[textDirect
ion]; |
1014 } | 1007 } |
1015 | 1008 |
1016 float w; | 1009 float w; |
1017 if (wordTrailingSpaceWidth && isSpace) { | 1010 if (wordTrailingSpaceWidth && isSpace) { |
1018 w = widthFromFont(f, i, wordLen + 1, leadWidth, currMaxWidth, te
xtDirection, &fallbackFonts, &glyphBounds) - wordTrailingSpaceWidth; | 1011 w = widthFromFont(f, i, wordLen + 1, leadWidth, currMaxWidth, te
xtDirection, &fallbackFonts, &glyphBounds) - wordTrailingSpaceWidth; |
1019 } else { | 1012 } else { |
1020 w = widthFromFont(f, i, wordLen, leadWidth, currMaxWidth, textDi
rection, &fallbackFonts, &glyphBounds); | 1013 w = widthFromFont(f, i, wordLen, leadWidth, currMaxWidth, textDi
rection, &fallbackFonts, &glyphBounds); |
1021 if (c == softHyphenCharacter) | 1014 if (c == softHyphenCharacter) |
1022 currMinWidth += hyphenWidth(this, f, textDirection); | 1015 currMinWidth += hyphenWidth(f, textDirection); |
1023 } | 1016 } |
1024 | 1017 |
1025 currMinWidth += w; | 1018 currMinWidth += w; |
1026 if (betweenWords) { | 1019 if (betweenWords) { |
1027 if (lastWordBoundary == i) | 1020 if (lastWordBoundary == i) |
1028 currMaxWidth += w; | 1021 currMaxWidth += w; |
1029 else | 1022 else |
1030 currMaxWidth += widthFromFont(f, lastWordBoundary, j - lastW
ordBoundary, leadWidth, currMaxWidth, textDirection, &fallbackFonts, &glyphBound
s); | 1023 currMaxWidth += widthFromFont(f, lastWordBoundary, j - lastW
ordBoundary, leadWidth, currMaxWidth, textDirection, &fallbackFonts, &glyphBound
s); |
1031 lastWordBoundary = j; | 1024 lastWordBoundary = j; |
1032 } | 1025 } |
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1862 } | 1855 } |
1863 | 1856 |
1864 void LayoutText::invalidateDisplayItemClients(const LayoutBoxModelObject& paintI
nvalidationContainer) const | 1857 void LayoutText::invalidateDisplayItemClients(const LayoutBoxModelObject& paintI
nvalidationContainer) const |
1865 { | 1858 { |
1866 LayoutObject::invalidateDisplayItemClients(paintInvalidationContainer); | 1859 LayoutObject::invalidateDisplayItemClients(paintInvalidationContainer); |
1867 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) | 1860 for (InlineTextBox* box = firstTextBox(); box; box = box->nextTextBox()) |
1868 paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*box); | 1861 paintInvalidationContainer.invalidateDisplayItemClientOnBacking(*box); |
1869 } | 1862 } |
1870 | 1863 |
1871 } // namespace blink | 1864 } // namespace blink |
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