IvfSgiImage.h

//
// Copyright 1999-2006 by Structural Mechanics, Lund University.
//
// 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; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
// USA.
//
// Please report all bugs and problems to "ivf@byggmek.lth.se".
//
//
// Written by Jonas Lindemann
//

#ifndef _CIvfSgiImage_h_
#define _CIvfSgiImage_h_

#include <ivfimage/IvfFileImage.h>

IvfSmartPointer(CIvfSgiImage);

class IVFIMAGE_API CIvfSgiImage : public CIvfFileImage {
private:
        bool m_alphaChannel;

        unsigned char getbyte(FILE* inf);
        unsigned long getlong(FILE* inf);
        unsigned short getshort(FILE *inf);
        void expandrow(unsigned char *optr, unsigned char *iptr, int z);
        void convertLong(GLuint *array, unsigned int length);
public:
        CIvfSgiImage();

        CIvfSgiImage(const char* name);

        virtual ~CIvfSgiImage();

        IvfClassInfo("CIvfSgiImage",CIvfFileImage);

        virtual bool read();

        void setAlphaChannel(bool flag);
};

#endif 

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