dcmdata/include/dcmtk/dcmdata/libi2d/i2dbmps.h

/*
 *
 *  Copyright (C) 2009-2010, OFFIS e.V.
 *  All rights reserved.  See COPYRIGHT file for details.
 *
 *  This software and supporting documentation were developed by
 *
 *    OFFIS e.V.
 *    R&D Division Health
 *    Escherweg 2
 *    D-26121 Oldenburg, Germany
 *
 *
 *  Module:  dcmdata
 *
 *  Author:  Uli Schlachter
 *
 *  Purpose: Class to extract pixel data and meta information from BMP file
 *
 *  Last Update:      $Author: uli $
 *  Update Date:      $Date: 2010-11-15 13:58:43 $
 *  CVS/RCS Revision: $Revision: 1.9 $
 *  Status:           $State: Exp $
 *
 *  CVS/RCS Log at end of file
 *
 */

#ifndef I2DBMPS_H
#define I2DBMPS_H

#include "dcmtk/config/osconfig.h"
#include "dcmtk/dcmdata/libi2d/i2dimgs.h"
#include "dcmtk/ofstd/offile.h"

class I2DBmpSource : public I2DImgSource
{

public:

  I2DBmpSource();

  OFString inputFormat() const;

  OFCondition readPixelData( Uint16& rows,
                             Uint16& cols,
                             Uint16& samplesPerPixel,
                             OFString& photoMetrInt,
                             Uint16& bitsAlloc,
                             Uint16& bitsStored,
                             Uint16& highBit,
                             Uint16& pixelRepr,
                             Uint16& planConf,
                             Uint16& pixAspectH,
                             Uint16& pixAspectV,
                             char*&  pixData,
                             Uint32& length,
                             E_TransferSyntax& ts);

  virtual OFCondition getLossyComprInfo(OFBool& srcEncodingLossy,
                                        OFString& /* srcLossyComprMethod */) const
  {
    srcEncodingLossy = OFFalse;
    return EC_Normal;
  }

  virtual ~I2DBmpSource();

protected:

  OFCondition openFile(const OFString& filename);

  void closeFile();

  OFCondition readFileHeader(Uint32 &offset);

  OFCondition readBitmapHeader(Uint16 &width     /*out*/,
                               Uint16 &height    /*out*/,
                               Uint16 &bpp       /*out*/,
                               OFBool &isTopDown /*out*/,
                               Uint16 &colors    /*out*/);

  OFCondition readColorPalette(Uint16 colors,
                               Uint32*& palette);

  OFCondition readBitmapData(const Uint16 width,
                             const Uint16 height,
                             const Uint16 bpp,
                             const OFBool isTopDown,
                             const Uint16 colors,
                             const Uint32* palette,
                             char*& pixData /*out*/,
                             Uint32& length /*out*/);

  OFCondition parse24_32BppRow(const Uint8 *row,
                               const Uint16 width,
                               const int bpp,
                               char *pixData /*out*/) const;

  OFCondition parse16BppRow(const Uint8 *row,
                            const Uint16 width,
                            char *pixData /*out*/) const;

  OFCondition parseIndexedColorRow(const Uint8 *row,
                                   const Uint16 width,
                                   const int bpp,
                                   const Uint16 colors,
                                   const Uint32* palette,
                                   char *pixData /*out*/) const;

  int readLong(Sint32& result);

  int readDWord(Uint32& result);

  int readWord(Uint16& result);

  OFFile bmpFile;
};

#endif // #ifndef I2DBMPS_H

/*
 * CVS/RCS Log:
 * $Log: i2dbmps.h,v $
 * Revision 1.9  2010-11-15 13:58:43  uli
 * Fixed some errors in doxygen comments.
 *
 * Revision 1.8  2010-10-14 13:15:46  joergr
 * Updated copyright header. Added reference to COPYRIGHT file.
 *
 * Revision 1.7  2010-10-01 10:21:05  uli
 * Fixed most compiler warnings from -Wall -Wextra -pedantic in dcmdata.
 *
 * Revision 1.6  2010-06-01 10:33:53  uli
 * Added support for indexed-color BMP images (bit depths 1, 4 and 8).
 *
 * Revision 1.5  2010-05-25 12:40:06  uli
 * Added support for 16bpp BMP images to libi2d
 *
 * Revision 1.4  2010-05-21 14:43:07  uli
 * Added support for 32bpp BMP images to libi2d.
 *
 * Revision 1.3  2009-11-04 09:58:08  uli
 * Switched to logging mechanism provided by the "new" oflog module
 *
 * Revision 1.2  2009-09-30 08:05:25  uli
 * Stop including dctk.h in libi2d's header files.
 *
 * Revision 1.1  2009-07-16 14:25:28  onken
 * Added img2dcm input plugin for the BMP graphics format (at the moment only
 * support for 24 Bit RGB).
 *
 *
 */

---

Generated on 6 Jan 2011 for OFFIS DCMTK Version 3.6.0 by Doxygen 1.5.1