webengine/osswebengine/WebCore/platform/FontFallbackList.h
changeset 0 dd21522fd290
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebCore/platform/FontFallbackList.h	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,65 @@
+/*
+ * This file is part of the internal font implementation.  It should not be included by anyone other than
+ * FontMac.cpp, FontWin.cpp and Font.cpp.
+ *
+ * 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.
+ *
+ */
+
+// This file has no guards on purpose in order to detect redundant includes. This is a private header
+// and so this should catch anyone trying to include this file in public cpp files.
+
+#include "FontData.h"
+#include "Shared.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class Font;
+class GraphicsContext;
+class IntRect;
+class FontDescription;
+class FontPlatformData;
+
+const int cAllFamiliesScanned = -1;
+
+class FontFallbackList : public Shared<FontFallbackList> {
+public:
+    FontFallbackList();
+
+    void invalidate();
+    
+    bool isFixedPitch(const Font* f) const { if (m_pitch == UnknownPitch) determinePitch(f); return m_pitch == FixedPitch; };
+    void determinePitch(const Font*) const;
+
+private:
+    const FontData* primaryFont(const Font* f) const { return fontDataAt(f, 0); }
+    const FontData* fontDataAt(const Font*, unsigned index) const;
+    const FontData* fontDataForCharacters(const Font*, const UChar*, int length) const;
+    
+    void setPlatformFont(const FontPlatformData&);
+
+    mutable Vector<const FontData*, 1> m_fontList;
+    mutable int m_familyIndex;
+    mutable Pitch m_pitch;
+   
+    friend class Font;
+};
+
+}
+