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| 1 /* | |
| 2 * Copyright (C) 2013 Google, Inc. | |
| 3 * | |
| 4 * This library is free software; you can redistribute it and/or | |
| 5 * modify it under the terms of the GNU Library General Public | |
| 6 * License as published by the Free Software Foundation; either | |
| 7 * version 2 of the License, or (at your option) any later version. | |
| 8 * | |
| 9 * This library is distributed in the hope that it will be useful, | |
| 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 12 * Library General Public License for more details. | |
| 13 * | |
| 14 * You should have received a copy of the GNU Library General Public License | |
| 15 * along with this library; see the file COPYING.LIB. If not, write to | |
| 16 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, | |
| 17 * Boston, MA 02110-1301, USA. | |
| 18 * | |
| 19 */ | |
| 20 | |
| 21 #ifndef CustomFontData_h | |
| 22 #define CustomFontData_h | |
| 23 | |
| 24 #include "platform/fonts/Glyph.h" | |
| 25 #include "wtf/PassRefPtr.h" | |
| 26 #include "wtf/RefCounted.h" | |
| 27 #include <unicode/uchar.h> | |
| 28 | |
| 29 namespace WebCore { | |
| 30 | |
| 31 class CSSFontFaceSource; | |
| 32 struct GlyphData; | |
| 33 class GlyphPage; | |
| 34 class SimpleFontData; | |
| 35 struct WidthIterator; | |
| 36 | |
| 37 class CustomFontData : public RefCounted<CustomFontData> { | |
| 38 public: | |
| 39 static PassRefPtr<CustomFontData> create(bool isLoadingFallback = false) | |
| 40 { | |
| 41 return adoptRef(new CustomFontData(isLoadingFallback)); | |
| 42 } | |
| 43 | |
| 44 virtual ~CustomFontData() { } | |
| 45 | |
| 46 virtual void beginLoadIfNeeded() const { }; | |
| 47 bool isLoading() const { return m_isLoadingFallback && m_isUsed; } | |
| 48 bool isLoadingFallback() const { return m_isLoadingFallback; } | |
| 49 | |
| 50 virtual bool isSVGFont() const { return false; } | |
| 51 virtual void initializeFontData(SimpleFontData*, float) { } | |
| 52 virtual float widthForSVGGlyph(Glyph, float) const { return 0.0f; } | |
| 53 virtual bool fillSVGGlyphPage(GlyphPage*, unsigned, unsigned, UChar*, unsign
ed, const SimpleFontData*) const { return false; } | |
| 54 virtual bool applySVGGlyphSelection(WidthIterator&, GlyphData&, bool, int, u
nsigned&) const { return false; } | |
| 55 | |
| 56 virtual void setCSSFontFaceSource(CSSFontFaceSource* source) { ASSERT_NOT_RE
ACHED(); } | |
| 57 virtual void clearCSSFontFaceSource() { } | |
| 58 | |
| 59 protected: | |
| 60 CustomFontData(bool isLoadingFallback) | |
| 61 : m_isLoadingFallback(isLoadingFallback) | |
| 62 , m_isUsed(false) | |
| 63 { | |
| 64 } | |
| 65 | |
| 66 bool m_isLoadingFallback; // Whether or not this is a temporary font data fo
r a custom font which is not yet loaded. | |
| 67 mutable bool m_isUsed; | |
| 68 }; | |
| 69 | |
| 70 } | |
| 71 | |
| 72 #endif // CustomFontData_h | |
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Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk