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/*
* 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 may catch someone trying to include this file in public cpp files.
#include "FontSelector.h"
#include "SimpleFontData.h"
#include <wtf/Forward.h>
namespace WebCore {
class Font;
class GraphicsContext;
class IntRect;
class FontDescription;
class FontPlatformData;
class FontSelector;
const int cAllFamiliesScanned = -1;
class FontFallbackList : public RefCounted<FontFallbackList> {
public:
static PassRefPtr<FontFallbackList> create() { return adoptRef(new FontFallbackList()); }
~FontFallbackList() { releaseFontData(); }
void invalidate(PassRefPtr<FontSelector>);
bool isFixedPitch(const Font* f) const { if (m_pitch == UnknownPitch) determinePitch(f); return m_pitch == FixedPitch; };
void determinePitch(const Font*) const;
bool loadingCustomFonts() const { return m_loadingCustomFonts; }
FontSelector* fontSelector() const { return m_fontSelector.get(); }
private:
FontFallbackList();
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&);
void releaseFontData();
mutable Vector<pair<const FontData*, bool>, 1> m_fontList;
mutable int m_familyIndex;
mutable Pitch m_pitch;
mutable bool m_loadingCustomFonts;
RefPtr<FontSelector> m_fontSelector;
friend class Font;
};
}
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