dcmimage/include/dcmtk/dcmimage/dipalpxt.h

00001 /*
00002  *
00003  *  Copyright (C) 1996-2010, OFFIS e.V.
00004  *  All rights reserved.  See COPYRIGHT file for details.
00005  *
00006  *  This software and supporting documentation were developed by
00007  *
00008  *    OFFIS e.V.
00009  *    R&D Division Health
00010  *    Escherweg 2
00011  *    D-26121 Oldenburg, Germany
00012  *
00013  *
00014  *  Module:  dcmimage
00015  *
00016  *  Author:  Joerg Riesmeier
00017  *
00018  *  Purpose: DicomPalettePixelTemplate (Header)
00019  *
00020  *  Last Update:      $Author: joergr $
00021  *  Update Date:      $Date: 2010-10-14 13:16:29 $
00022  *  CVS/RCS Revision: $Revision: 1.24 $
00023  *  Status:           $State: Exp $
00024  *
00025  *  CVS/RCS Log at end of file
00026  *
00027  */
00028 
00029 
00030 #ifndef DIPALPXT_H
00031 #define DIPALPXT_H
00032 
00033 #include "dcmtk/config/osconfig.h"
00034 
00035 #include "dcmtk/dcmimage/dicopxt.h"
00036 #include "dcmtk/dcmimgle/diluptab.h"
00037 #include "dcmtk/dcmimgle/diinpx.h"  /* gcc 3.4 needs this */
00038 
00039 
00040 /*---------------------*
00041  *  class declaration  *
00042  *---------------------*/
00043 
00046 template<class T1, class T2, class T3>
00047 class DiPalettePixelTemplate
00048   : public DiColorPixelTemplate<T3>
00049 {
00050 
00051  public:
00052 
00060     DiPalettePixelTemplate(const DiDocument *docu,
00061                            const DiInputPixel *pixel,
00062                            DiLookupTable *palette[3],
00063                            EI_Status &status)
00064       : DiColorPixelTemplate<T3>(docu, pixel, 1, status)
00065     {
00066         if ((pixel != NULL) && (this->Count > 0) && (status == EIS_Normal))
00067         {
00068             if (this->PlanarConfiguration)
00069             {
00070                 status = EIS_InvalidValue;
00071                 DCMIMAGE_ERROR("invalid value for 'PlanarConfiguration' (" << this->PlanarConfiguration << ")");
00072             }
00073             else
00074                 convert(OFstatic_cast(const T1 *, pixel->getData()) + pixel->getPixelStart(), palette);
00075         }
00076     }
00077 
00080     virtual ~DiPalettePixelTemplate()
00081     {
00082     }
00083 
00084 
00085  private:
00086 
00092     void convert(const T1 *pixel,
00093                  DiLookupTable *palette[3])
00094     {                                                                // can be optimized if necessary !
00095         if (Init(pixel))
00096         {
00097             register const T1 *p = pixel;
00098             register T2 value = 0;
00099             register unsigned long i;
00100             register int j;
00101             // use the number of input pixels derived from the length of the 'PixelData'
00102             // attribute), but not more than the size of the intermediate buffer
00103             const unsigned long count = (this->InputCount < this->Count) ? this->InputCount : this->Count;
00104             for (i = 0; i < count; ++i)
00105             {
00106                 value = OFstatic_cast(T2, *(p++));
00107                 for (j = 0; j < 3; ++j)
00108                 {
00109                     if (value <= palette[j]->getFirstEntry(value))
00110                         this->Data[j][i] = OFstatic_cast(T3, palette[j]->getFirstValue());
00111                     else if (value >= palette[j]->getLastEntry(value))
00112                         this->Data[j][i] = OFstatic_cast(T3, palette[j]->getLastValue());
00113                     else
00114                         this->Data[j][i] = OFstatic_cast(T3, palette[j]->getValue(value));
00115                 }
00116             }
00117         }
00118     }
00119 };
00120 
00121 
00122 #endif
00123 
00124 
00125 /*
00126  *
00127  * CVS/RCS Log:
00128  * $Log: dipalpxt.h,v $
00129  * Revision 1.24  2010-10-14 13:16:29  joergr
00130  * Updated copyright header. Added reference to COPYRIGHT file.
00131  *
00132  * Revision 1.23  2010-03-01 09:08:46  uli
00133  * Removed some unnecessary include directives in the headers.
00134  *
00135  * Revision 1.22  2009-11-25 14:31:21  joergr
00136  * Removed inclusion of header file "ofconsol.h".
00137  *
00138  * Revision 1.21  2009-10-14 10:25:14  joergr
00139  * Fixed minor issues in log output. Also updated copyright date (if required).
00140  *
00141  * Revision 1.20  2009-10-13 14:08:33  uli
00142  * Switched to logging mechanism provided by the "new" oflog module
00143  *
00144  * Revision 1.19  2006-08-15 16:35:01  meichel
00145  * Updated the code in module dcmimage to correctly compile when
00146  *   all standard C++ classes remain in namespace std.
00147  *
00148  * Revision 1.18  2005/12/08 16:01:41  meichel
00149  * Changed include path schema for all DCMTK header files
00150  *
00151  * Revision 1.17  2004/04/21 10:00:31  meichel
00152  * Minor modifications for compilation with gcc 3.4.0
00153  *
00154  * Revision 1.16  2003/12/23 11:50:30  joergr
00155  * Adapted type casts to new-style typecast operators defined in ofcast.h.
00156  * Removed leading underscore characters from preprocessor symbols (reserved
00157  * symbols). Updated copyright header.
00158  * Replaced post-increment/decrement operators by pre-increment/decrement
00159  * operators where appropriate (e.g. 'i++' by '++i').
00160  *
00161  * Revision 1.15  2002/06/26 16:19:13  joergr
00162  * Enhanced handling of corrupted pixel data and/or length.
00163  * Corrected decoding of multi-frame, planar images.
00164  *
00165  * Revision 1.14  2001/11/09 16:47:02  joergr
00166  * Removed 'inline' specifier from certain methods.
00167  *
00168  * Revision 1.13  2001/06/01 15:49:31  meichel
00169  * Updated copyright header
00170  *
00171  * Revision 1.12  2000/04/27 13:15:14  joergr
00172  * Dcmimage library code now consistently uses ofConsole for error output.
00173  *
00174  * Revision 1.11  2000/03/08 16:21:53  meichel
00175  * Updated copyright header.
00176  *
00177  * Revision 1.10  1999/09/17 14:03:45  joergr
00178  * Enhanced efficiency of some "for" loops.
00179  *
00180  * Revision 1.9  1999/05/03 11:03:06  joergr
00181  * Minor code purifications to keep Sun CC 2.0.1 quiet.
00182  *
00183  * Revision 1.8  1999/04/28 12:52:01  joergr
00184  * Corrected some typos, comments and formatting.
00185  *
00186  * Revision 1.7  1999/01/20 14:46:30  joergr
00187  * Replaced invocation of getCount() by member variable Count where possible.
00188  *
00189  * Revision 1.6  1998/12/14 17:08:56  joergr
00190  * Added support for signed values as second entry in look-up tables
00191  * (= first value mapped).
00192  *
00193  * Revision 1.5  1998/11/27 14:17:31  joergr
00194  * Added copyright message.
00195  *
00196  * Revision 1.4  1998/07/01 08:39:27  joergr
00197  * Minor changes to avoid compiler warnings (gcc 2.8.1 with additional
00198  * options), e.g. add copy constructors.
00199  *
00200  * Revision 1.3  1998/05/11 14:53:27  joergr
00201  * Added CVS/RCS header to each file.
00202  *
00203  *
00204  */


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