packages/vtk/src/bbtkStaticLecture.cxx

   1 /*
   2  # ---------------------------------------------------------------------
   3  #
   4  # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
   5  #                        pour la SantÈ)
   6  # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
   7  # Previous Authors : Laurent Guigues, Jean-Pierre Roux
   8  # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
   9  #
  10  #  This software is governed by the CeCILL-B license under French law and
  11  #  abiding by the rules of distribution of free software. You can  use,
  12  #  modify and/ or redistribute the software under the terms of the CeCILL-B
  13  #  license as circulated by CEA, CNRS and INRIA at the following URL
  14  #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
  15  #  or in the file LICENSE.txt.
  16  #
  17  #  As a counterpart to the access to the source code and  rights to copy,
  18  #  modify and redistribute granted by the license, users are provided only
  19  #  with a limited warranty  and the software's author,  the holder of the
  20  #  economic rights,  and the successive licensors  have only  limited
  21  #  liability.
  22  #
  23  #  The fact that you are presently reading this means that you have had
  24  #  knowledge of the CeCILL-B license and that you accept its terms.
  25  # ------------------------------------------------------------------------ */
  26
  27
  28 #include "bbtkStaticLecture.h"
  29
  30
  31         void bbtkStaticLecture::setPixelValue(int i, int j, int k, vtkImageData* img, double value)
  32         {
  33                 //double rta;
  34                 int scalar_type = img->GetScalarType();
  35                 int* ext = img->GetExtent();
  36                 if (i < ext[0])
  37                         return;
  38                 if (i > ext[1])
  39                         return;
  40
  41                 if (j < ext[2])
  42                         return;
  43                 if (j > ext[3])
  44                         return;
  45
  46                 if (k < ext[4])
  47                         return;
  48                 if (k > ext[5])
  49                         return;
  50
  51                 switch (scalar_type)
  52                 {
  53                         case VTK_CHAR:
  54                                 char * ap2;
  55                                 ap2 = (char *) img->GetScalarPointer(i,j,k);
  56                                 *ap2 = (char) value;
  57                         break;
  58                         case VTK_UNSIGNED_CHAR:
  59                                 unsigned char * ap3;
  60                                 ap3 = (unsigned char *) img->GetScalarPointer(i,j,k);
  61                                 *ap3 = (unsigned char) value;
  62                         break;
  63                         case VTK_SHORT:
  64                                 short * ap4;
  65                                 ap4 = (short *) img->GetScalarPointer(i,j,k);
  66                                 *ap4 = (short) value;
  67                         break;
  68                         case VTK_UNSIGNED_SHORT:
  69                                 unsigned short * ap5;
  70                                 ap5 = (unsigned short *) img->GetScalarPointer(i,j,k);
  71                                 *ap5 = (unsigned short) value;
  72                         break;
  73                         case VTK_INT:
  74                                 int * ap6;
  75                                 ap6 = (int *) img->GetScalarPointer(i,j,k);
  76                                 *ap6 = (int) value;
  77                         break;
  78                         case VTK_UNSIGNED_INT:
  79                                 unsigned int * ap7;
  80                                 ap7 = (unsigned int *) img->GetScalarPointer(i,j,k);
  81                                 *ap7 = (unsigned int) value;
  82                         break;
  83                         case VTK_LONG:
  84                                 long * ap8;
  85                                 ap8 = (long *) img->GetScalarPointer(i,j,k);
  86                                 *ap8 = (long) value;
  87                         break;
  88                         case VTK_UNSIGNED_LONG:
  89                                 unsigned long * ap9;
  90                                 ap9 = (unsigned long *) img->GetScalarPointer(i,j,k);
  91                                 *ap9 = (unsigned long) value;
  92                         break;
  93                         case VTK_FLOAT:
  94                                 float * ap10;
  95                                 ap10 = (float *) img->GetScalarPointer(i,j,k);
  96                                 *ap10 = (float) value;
  97                         break;
  98                         case VTK_DOUBLE:
  99                                 double * ap11;
 100                                 ap11 = (double *) img->GetScalarPointer(i,j,k);
 101                                 *ap11 = (double) value;
 102                         break;
 103                 }
 104         }
 105         double bbtkStaticLecture::getPixelValue(int i, int j, int k, vtkImageData* img)
 106         {
 107                 double rta;
 108                 int scalar_type = img->GetScalarType();
 109                 int* ext = img->GetExtent();
 110                 if (i < ext[0])
 111                         i=ext[0];
 112                 if (i > ext[1])
 113                         i=ext[1];
 114
 115                 if (j < ext[2])
 116                         j=ext[2];
 117                 if (j > ext[3])
 118                         j=ext[3];
 119
 120                 if (k < ext[4])
 121                         k=ext[4];
 122                 if (k > ext[5])
 123                         k=ext[5];
 124
 125                 switch (scalar_type)
 126                 {
 127                         case VTK_CHAR:
 128                                 char * ap2;
 129                                 ap2 = (char *) img->GetScalarPointer(i,j,k);
 130                                 rta = (double) *ap2;
 131                         break;
 132                         case VTK_UNSIGNED_CHAR:
 133                                 unsigned char * ap3;
 134                                 ap3 = (unsigned char *) img->GetScalarPointer(i,j,k);
 135                                 rta = (double) *ap3;
 136                         break;
 137                         case VTK_SHORT:
 138                                 short * ap4;
 139                                 ap4 = (short *) img->GetScalarPointer(i,j,k);
 140                                 rta = (double) *ap4;
 141                         break;
 142                         case VTK_UNSIGNED_SHORT:
 143                                 unsigned short * ap5;
 144                                 ap5 = (unsigned short *) img->GetScalarPointer(i,j,k);
 145                                 rta = (double) *ap5;
 146                         break;
 147                         case VTK_INT:
 148                                 int * ap6;
 149                                 ap6 = (int *) img->GetScalarPointer(i,j,k);
 150                                 rta = (double) *ap6;
 151                         break;
 152                         case VTK_UNSIGNED_INT:
 153                                 unsigned int * ap7;
 154                                 ap7 = (unsigned int *) img->GetScalarPointer(i,j,k);
 155                                 rta = (double) *ap7;
 156                         break;
 157                         case VTK_LONG:
 158                                 long * ap8;
 159                                 ap8 = (long *) img->GetScalarPointer(i,j,k);
 160                                 rta = (double) *ap8;
 161                         break;
 162                         case VTK_UNSIGNED_LONG:
 163                                 unsigned long * ap9;
 164                                 ap9 = (unsigned long *) img->GetScalarPointer(i,j,k);
 165                                 rta = (double) *ap9;
 166                         break;
 167                         case VTK_FLOAT:
 168                                 float * ap10;
 169                                 ap10 = (float *) img->GetScalarPointer(i,j,k);
 170                                 rta = (double) *ap10;
 171                         break;
 172                         case VTK_DOUBLE:
 173                                 double * ap11;
 174                                 ap11 = (double *) img->GetScalarPointer(i,j,k);
 175                                 rta = (double) *ap11;
 176                         break;
 177                 }
 178                 return rta;
 179         }