Add webkit to the repository.

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 183 insertions, 0 deletions

diff --git a/webkit/pending/SimpleFontData.h b/webkit/pending/SimpleFontData.h
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+++ b/webkit/pending/SimpleFontData.h
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+/*
+ * This file is part of the internal font implementation.
+ *
+ * Copyright (C) 2006 Apple Computer, Inc.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef SimpleFontData_h
+#define SimpleFontData_h
+
+#include "FontData.h"
+#include "FontPlatformData.h"
+#include "GlyphPageTreeNode.h"
+#include "GlyphWidthMap.h"
+#include <wtf/OwnPtr.h>
+
+#if PLATFORM(MAC)
+typedef struct OpaqueATSUStyle* ATSUStyle;
+#endif
+
+#if PLATFORM(WIN)
+#include <usp10.h>
+#endif
+
+namespace WebCore {
+
+class FontDescription;
+class FontPlatformData;
+class SharedBuffer;
+class SVGFontData;
+class WidthMap;
+
+enum Pitch { UnknownPitch, FixedPitch, VariablePitch };
+
+class SimpleFontData : public FontData {
+public:
+    SimpleFontData(const FontPlatformData&, bool customFont = false, bool loading = false, SVGFontData* data = 0);
+    virtual ~SimpleFontData();
+
+public:
+    const FontPlatformData& platformData() const { return m_font; }
+    SimpleFontData* smallCapsFontData(const FontDescription& fontDescription) const;
+
+    // vertical metrics
+    int ascent() const { return m_ascent; }
+    int descent() const { return m_descent; }
+    int lineSpacing() const { return m_lineSpacing; }
+    int lineGap() const { return m_lineGap; }
+    int maxCharWidth() const { return m_maxCharWidth; }
+    int avgCharWidth() const { return m_avgCharWidth; }
+
+    float xHeight() const { return m_xHeight; }
+    unsigned unitsPerEm() const { return m_unitsPerEm; }
+
+    float widthForGlyph(UChar32, Glyph) const;
+    float platformWidthForGlyph(Glyph) const;
+
+    virtual const SimpleFontData* fontDataForCharacter(UChar32) const;
+    virtual bool containsCharacters(const UChar*, int length) const;
+
+    void determinePitch();
+    Pitch pitch() const { return m_treatAsFixedPitch ? FixedPitch : VariablePitch; }
+
+#if ENABLE(SVG_FONTS)
+    SVGFontData* svgFontData() const { return m_svgFontData.get(); }
+    bool isSVGFont() const { return m_svgFontData; }
+#else
+    bool isSVGFont() const { return false; }
+#endif
+
+    virtual bool isCustomFont() const { return m_isCustomFont; }
+    virtual bool isLoading() const { return m_isLoading; }
+    virtual bool isSegmented() const;
+
+    const GlyphData& missingGlyphData() const { return m_missingGlyphData; }
+
+#if PLATFORM(MAC)
+    NSFont* getNSFont() const { return m_font.font(); }
+    void checkShapesArabic() const;
+    bool shapesArabic() const
+    {
+        if (!m_checkedShapesArabic)
+            checkShapesArabic();
+        return m_shapesArabic;
+    }
+#endif
+
+#if PLATFORM(WIN)
+    bool isSystemFont() const { return m_isSystemFont; }
+    SCRIPT_FONTPROPERTIES* scriptFontProperties() const;
+    SCRIPT_CACHE* scriptCache() const { return &m_scriptCache; }
+
+    static void setShouldApplyMacAscentHack(bool);
+    static bool shouldApplyMacAscentHack();
+#endif
+
+#if PLATFORM(GTK)
+    void setFont(cairo_t*) const;
+#endif
+
+#if PLATFORM(WX)
+    wxFont getWxFont() const { return m_font.font(); }
+#endif
+
+private:
+    void platformInit();
+    void platformDestroy();
+    
+    void commonInit();
+    bool IsCJKCodePoint(UChar32) const;
+
+public:
+    int m_ascent;
+    int m_descent;
+    int m_lineSpacing;
+    int m_lineGap;
+    int m_maxCharWidth;
+    int m_avgCharWidth;
+    float m_xHeight;
+    unsigned m_unitsPerEm;
+
+    FontPlatformData m_font;
+
+    mutable GlyphWidthMap m_glyphToWidthMap;
+
+    bool m_treatAsFixedPitch;
+
+#if ENABLE(SVG_FONTS)
+    OwnPtr<SVGFontData> m_svgFontData;
+#endif
+
+    bool m_isCustomFont;  // Whether or not we are custom font loaded via @font-face
+    bool m_isLoading; // Whether or not this custom font is still in the act of loading.
+
+    Glyph m_spaceGlyph;
+    float m_spaceWidth;
+    float m_adjustedSpaceWidth;
+
+    GlyphData m_missingGlyphData;
+
+    mutable SimpleFontData* m_smallCapsFontData;
+
+    // Optimization for CJK glyphs
+    mutable float m_cjkGlyphWidth;
+
+#if PLATFORM(CG)
+    float m_syntheticBoldOffset;
+#endif
+
+#if PLATFORM(MAC)
+    void* m_styleGroup;
+    mutable ATSUStyle m_ATSUStyle;
+    mutable bool m_ATSUStyleInitialized;
+    mutable bool m_ATSUMirrors;
+    mutable bool m_checkedShapesArabic;
+    mutable bool m_shapesArabic;
+#endif
+
+#if PLATFORM(WIN)
+    bool m_isSystemFont;
+    mutable SCRIPT_CACHE m_scriptCache;
+    mutable SCRIPT_FONTPROPERTIES* m_scriptFontProperties;
+#endif
+};
+
+} // namespace WebCore
+
+#endif // SimpleFontData_h