--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/FontData.h Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,141 @@
+/*
+ * 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 FontData_h
+#define FontData_h
+
+#include "FontPlatformData.h"
+#include "GlyphPageTreeNode.h"
+#include "GlyphWidthMap.h"
+#include <wtf/Noncopyable.h>
+
+#include <wtf/unicode/Unicode.h>
+
+#if PLATFORM(MAC)
+typedef struct OpaqueATSUStyle* ATSUStyle;
+#endif
+
+#if PLATFORM(WIN)
+#include <usp10.h>
+#endif
+
+namespace WebCore {
+
+class FontDescription;
+class FontPlatformData;
+class WidthMap;
+
+enum Pitch { UnknownPitch, FixedPitch, VariablePitch };
+
+class FontData : Noncopyable {
+public:
+ FontData(const FontPlatformData&);
+ ~FontData();
+
+public:
+ const FontPlatformData& platformData() const { return m_font; }
+ FontData* 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; }
+ float xHeight() const { return m_xHeight; }
+
+ float widthForGlyph(Glyph) const;
+ float platformWidthForGlyph(Glyph) const;
+
+ bool containsCharacters(const UChar* characters, int length) const;
+
+ void determinePitch();
+ Pitch pitch() const { return m_treatAsFixedPitch ? FixedPitch : VariablePitch; }
+
+ 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; }
+#endif
+
+#if PLATFORM(GTK)
+ void setFont(cairo_t*) const;
+#endif
+
+private:
+ void platformInit();
+ void platformDestroy();
+
+public:
+ int m_ascent;
+ int m_descent;
+ int m_lineSpacing;
+ int m_lineGap;
+ float m_xHeight;
+
+ FontPlatformData m_font;
+ mutable GlyphWidthMap m_glyphToWidthMap;
+
+ bool m_treatAsFixedPitch;
+ Glyph m_spaceGlyph;
+ float m_spaceWidth;
+ float m_adjustedSpaceWidth;
+
+ GlyphData m_missingGlyphData;
+
+ mutable FontData* m_smallCapsFontData;
+
+#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 // FontData_h