/*

 * 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, 2007 Apple 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 FontPlatformData_H

#define FontPlatformData_H

#include "StringImpl.h"

typedef struct HFONT__ *HFONT;

typedef struct CGFont *CGFontRef;

namespace WebCore {

class FontDescription;

class FontPlatformData

{

public:

    class Deleted {};

    // Used for deleted values in the font cache's hash tables.

    FontPlatformData(Deleted)

    : m_font((HFONT)-1)

    , m_cgFont(NULL)

    , m_size(0)

    {}

    FontPlatformData()

    : m_font(0)

    , m_cgFont(NULL)

    , m_size(0)

    {}

    FontPlatformData(HFONT, int size, bool bold, bool oblique);

    ~FontPlatformData();

    HFONT hfont() const { return m_font; }

    CGFontRef cgFont() const { return m_cgFont; }

    int size() const { return m_size; }

    bool syntheticBold() const { return m_syntheticBold; }

    bool syntheticOblique() const { return m_syntheticOblique; }

    unsigned hash() const

    { 

        return StringImpl::computeHash((UChar*)(&m_font), sizeof(HFONT) / sizeof(UChar));

    }

    bool operator==(const FontPlatformData& other) const

    { 

        return m_font == other.m_font

              && m_cgFont ==other.m_cgFont

              && m_size == other.m_size;

    }

private:

    HFONT m_font;

    CGFontRef m_cgFont;

    int m_size;

    bool m_syntheticBold;

    bool m_syntheticOblique;

};

}

#endif