lti_rawImageReader.h

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/* $Id$ */
/* //////////////////////////////////////////////////////////////////////////
//                                                                         //
// This code is Copyright (c) 2004 LizardTech, Inc, 1008 Western Avenue,   //
// Suite 200, Seattle, WA 98104.  Unauthorized use or distribution         //
// prohibited.  Access to and use of this code is permitted only under     //
// license from LizardTech, Inc.  Portions of the code are protected by    //
// US and foreign patents and other filings. All Rights Reserved.          //
//                                                                         //
/* PUBLIC */

#ifndef LTIRAWIMAGEREADER_H
#define LTIRAWIMAGEREADER_H

// lt_lib_mrsid_core
#include "lti_geoImageReader.h"


LT_BEGIN_NAMESPACE(LizardTech)



class LTIRawImageReader : public LTIGeoImageReader
{
   LTI_REFERENCE_COUNTED_BOILERPLATE(LTIRawImageReader);
public:
   LT_STATUS initialize(LTIOStreamInf* stream,
                        const LTIPixel& pixelProps,
                        lt_uint32 width,
                        lt_uint32 height,
                        bool useWorldFile = true);

   LT_STATUS initialize(const LTFileSpec& fileSpec,
                        const LTIPixel& pixelProps,
                        lt_uint32 width,
                        lt_uint32 height,
                        bool useWorldFile = true);

   LT_STATUS initialize(const char* file,
                        const LTIPixel& pixelProps,
                        lt_uint32 width,
                        lt_uint32 height,
                        bool useWorldFile = true);



   void setStreamOwnership(bool takeOwnership);

   void setRowBytes(lt_uint32 rowBytes);

   void setLayout(LTILayout layout);

   void setSkipBytes(lt_int64 leadingBytes, lt_int64 trailingBytes = 0);

   void setByteOrder(LTIEndian byteOrder);

protected:
   LT_STATUS decodeBegin(const LTIPixel &pixelProps,
                         const LTIScene &fullScene);
   LT_STATUS decodeStrip(LTISceneBuffer &stripBuffer,
                         const LTIScene &stripScene);
   LT_STATUS decodeEnd(void);

   const char *getSourceName(void) const;

protected:
   LTFileSpec* m_fileSpec;

private:
   LTIOStreamInf* m_stream;
   bool m_ownsStream;
   lt_int64 m_fileSize;
   lt_uint32 m_rowBytes;
   LTILayout m_layout;
   lt_int64 m_leadingSkipBytes;
   lt_int64 m_trailingSkipBytes;
   LTIEndian m_byteOrder;

};


LT_END_NAMESPACE(LizardTech)


#endif // LTIRAWIMAGEREADER_H