/*

 * 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.

 * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com 

 * Copyright (C) 2007 Holger Hans Peter Freyther

 * All rights reserved.

 *

 * 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 FontPlatformData_h

#define FontPlatformData_h

#include "GlyphBuffer.h"

#include "FontDescription.h"

#include <cairo.h>

#include <cairo-ft.h>

#include <fontconfig/fcfreetype.h>

namespace WebCore {

class FontPlatformData {

public:

    class Deleted {};

    FontPlatformData(Deleted)

        : m_pattern(reinterpret_cast<FcPattern*>(-1))

        , m_scaledFont(0)

        { }

    FontPlatformData()

        : m_pattern(0)

        , m_scaledFont(0)

        { }

    FontPlatformData(const FontDescription&, const AtomicString& family);

    ~FontPlatformData();

    static bool init();

    bool isFixedPitch();

    void setFont(cairo_t*) const;

    unsigned hash() const

    {

        uintptr_t hashCodes[1] = { reinterpret_cast<uintptr_t>(m_scaledFont) };

        return StringImpl::computeHash( reinterpret_cast<UChar*>(hashCodes), sizeof(hashCodes) / sizeof(UChar));

    }

    bool operator==(const FontPlatformData&) const;

    FcPattern* m_pattern;

    FontDescription m_fontDescription;

    cairo_scaled_font_t* m_scaledFont;

};

}

#endif