gr_Win32Image.h

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/* AbiWord
 * Copyright (C) 1998 AbiSource, Inc.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 */

#ifndef GR_WIN32IMAGE_H
#define GR_WIN32IMAGE_H

#include "gr_Image.h"

// fwd. decl.
typedef struct tagBITMAPINFO BITMAPINFO;


class ABI_EXPORT GR_Win32Image : public GR_RasterImage
{
public:
    GR_Win32Image(const char* szName);
    virtual ~GR_Win32Image();

    virtual bool        convertToBuffer(UT_ByteBuf** ppBB) const;
    virtual bool        convertFromBuffer(const UT_ByteBuf* pBB, const std::string& mimetype, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight);

    void                setDIB(BITMAPINFO *pDIB) { m_pDIB = pDIB; if (m_pDIB) setDisplaySize(m_pDIB->bmiHeader.biWidth,m_pDIB->bmiHeader.biHeight); }
    inline BITMAPINFO*  getDIB(void) const { return m_pDIB; }

    virtual GR_Image *  createImageSegment(GR_Graphics * pG, const UT_Rect & rec);
    virtual bool hasAlpha (void) const;
    virtual bool isTransparentAt(UT_sint32 x, UT_sint32 y);

protected:
    BITMAPINFO*         m_pDIB;

private:
    bool                _convertFromPNG(const UT_ByteBuf* pBB, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight);
    bool                _convertFromJPEG(const UT_ByteBuf* pBB, UT_sint32 iDisplayWidth, UT_sint32 iDisplayHeight);
};

#endif /* GR_WIN32IMAGE_H */