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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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714 | 714 |
715 ALWAYS_INLINE float RenderText::widthFromCache(const Font& f, int start, int len
, float xPos, TextDirection textDirection, HashSet<const SimpleFontData*>* fallb
ackFonts, GlyphOverflow* glyphOverflow) const | 715 ALWAYS_INLINE float RenderText::widthFromCache(const Font& f, int start, int len
, float xPos, TextDirection textDirection, HashSet<const SimpleFontData*>* fallb
ackFonts, GlyphOverflow* glyphOverflow) const |
716 { | 716 { |
717 if (style()->hasTextCombine() && isCombineText()) { | 717 if (style()->hasTextCombine() && isCombineText()) { |
718 const RenderCombineText* combineText = toRenderCombineText(this); | 718 const RenderCombineText* combineText = toRenderCombineText(this); |
719 if (combineText->isCombined()) | 719 if (combineText->isCombined()) |
720 return combineText->combinedTextWidth(f); | 720 return combineText->combinedTextWidth(f); |
721 } | 721 } |
722 | 722 |
723 if (f.isFixedPitch() && f.fontDescription().variant() == FontVariantNormal &
& m_isAllASCII && (!glyphOverflow || !glyphOverflow->computeBounds)) { | 723 if (f.isFixedPitch() && f.fontDescription().variant() == FontVariantNormal &
& m_isAllASCII && (!glyphOverflow || !glyphOverflow->computeBounds)) { |
724 bool missingGlyph = false; | |
725 float monospaceCharacterWidth = f.spaceWidth(); | 724 float monospaceCharacterWidth = f.spaceWidth(); |
726 float w = 0; | 725 float w = 0; |
727 bool isSpace; | 726 bool isSpace; |
728 ASSERT(m_text); | 727 ASSERT(m_text); |
729 StringImpl& text = *m_text.impl(); | 728 StringImpl& text = *m_text.impl(); |
730 RenderStyle * renderStyle = style(); | |
731 for (int i = start; i < start + len; i++) { | 729 for (int i = start; i < start + len; i++) { |
732 char c = text[i]; | 730 char c = text[i]; |
733 // If glyph is not present in primary font then we cannot calculate
width based on primary | |
734 // font property, we need to call "width" method of Font Object. | |
735 if (!f.primaryFontHasGlyphForCharacter(text[i])) { | |
736 missingGlyph = true; | |
737 break; | |
738 } | |
739 if (c <= space) { | 731 if (c <= space) { |
740 if (c == space || c == newlineCharacter) { | 732 if (c == space || c == newlineCharacter) { |
741 w += monospaceCharacterWidth; | 733 w += monospaceCharacterWidth; |
742 isSpace = true; | 734 isSpace = true; |
743 } else if (c == characterTabulation) { | 735 } else if (c == characterTabulation) { |
744 if (renderStyle->collapseWhiteSpace()) { | 736 if (style()->collapseWhiteSpace()) { |
745 w += monospaceCharacterWidth; | 737 w += monospaceCharacterWidth; |
746 isSpace = true; | 738 isSpace = true; |
747 } else { | 739 } else { |
748 w += f.tabWidth(renderStyle->tabSize(), xPos + w); | 740 w += f.tabWidth(style()->tabSize(), xPos + w); |
749 isSpace = false; | 741 isSpace = false; |
750 } | 742 } |
751 } else | 743 } else |
752 isSpace = false; | 744 isSpace = false; |
753 } else { | 745 } else { |
754 w += monospaceCharacterWidth; | 746 w += monospaceCharacterWidth; |
755 isSpace = false; | 747 isSpace = false; |
756 } | 748 } |
757 if (isSpace && i > start) | 749 if (isSpace && i > start) |
758 w += f.fontDescription().wordSpacing(); | 750 w += f.fontDescription().wordSpacing(); |
759 } | 751 } |
760 if (!missingGlyph) | 752 return w; |
761 return w; | |
762 } | 753 } |
763 | 754 |
764 TextRun run = constructTextRun(const_cast<RenderText*>(this), f, this, start
, len, style(), textDirection); | 755 TextRun run = constructTextRun(const_cast<RenderText*>(this), f, this, start
, len, style(), textDirection); |
765 run.setCharactersLength(textLength() - start); | 756 run.setCharactersLength(textLength() - start); |
766 ASSERT(run.charactersLength() >= run.length()); | 757 ASSERT(run.charactersLength() >= run.length()); |
767 | 758 |
768 run.setCharacterScanForCodePath(!canUseSimpleFontCodePath()); | 759 run.setCharacterScanForCodePath(!canUseSimpleFontCodePath()); |
769 run.setUseComplexCodePath(!canUseSimpleFontCodePath()); | 760 run.setUseComplexCodePath(!canUseSimpleFontCodePath()); |
770 run.setTabSize(!style()->collapseWhiteSpace(), style()->tabSize()); | 761 run.setTabSize(!style()->collapseWhiteSpace(), style()->tabSize()); |
771 run.setXPos(xPos); | 762 run.setXPos(xPos); |
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1881 } | 1872 } |
1882 secureTextTimer->restartWithNewText(lastTypedCharacterOffset); | 1873 secureTextTimer->restartWithNewText(lastTypedCharacterOffset); |
1883 } | 1874 } |
1884 | 1875 |
1885 PassRefPtr<AbstractInlineTextBox> RenderText::firstAbstractInlineTextBox() | 1876 PassRefPtr<AbstractInlineTextBox> RenderText::firstAbstractInlineTextBox() |
1886 { | 1877 { |
1887 return AbstractInlineTextBox::getOrCreate(this, m_firstTextBox); | 1878 return AbstractInlineTextBox::getOrCreate(this, m_firstTextBox); |
1888 } | 1879 } |
1889 | 1880 |
1890 } // namespace blink | 1881 } // namespace blink |
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