+ // Nombre de Bits Utilises
+ str_nbu=GetPubElValByNumber(0x0028,0x0101);
+ if (str_nbu == GDCM_UNFOUND ) {
+ nbu = nb;
+ } else {
+ nbu = atoi(str_nbu.c_str() );
+ }
+
+ // Position du Bit de Poids Fort
+ str_highBit=GetPubElValByNumber(0x0028,0x0102);
+ if (str_highBit == GDCM_UNFOUND ) {
+ highBit = nb - 1;
+ } else {
+ highBit = atoi(str_highBit.c_str() );
+ }
+
+ // Signe des Pixels
+ str_signe=GetPubElValByNumber(0x0028,0x0103);
+ if (str_signe == GDCM_UNFOUND ) {
+ signe = 1;
+ } else {
+ signe = atoi(str_signe.c_str() );
+ }
+
+ // re arange bytes inside the integer
+ if (nb != 8)
+ SwapZone(destination, GetSwapCode(), lgrTotale, nb);
+
+ // re arange bits inside the bytes
+ if (nbu != nb){
+ int l = (int)lgrTotale / (nb/8);
+ if (nb == 16) {
+ guint16 mask = 0xffff;
+ mask = mask >> (nb-nbu);
+ guint16 *deb = (guint16 *)destination;
+ for(int i = 0; i<l; i++) {
+ *deb = (*deb >> (nbu-highBit-1)) & mask;
+ deb ++;
+ }
+ } else if (nb == 32 ) {
+ guint32 mask = 0xffffffff;
+ mask = mask >> (nb-nbu);
+ guint32 *deb = (guint32 *)destination;
+ for(int i = 0; i<l; i++) {
+ *deb = (*deb >> (nbu-highBit-1)) & mask;
+ deb ++;
+ }
+ } else {
+ dbg.Verbose(0, "gdcmFile::GetImageDataIntoVector: wierd image");
+ return (size_t)0;
+ }
+ }
+
+// Just to 'see' was was actually read on disk :-(
+// Some troubles expected
+
+FILE * fpSpurious;
+fpSpurious=fopen("SpuriousFile.raw","w");
+fwrite(destination,lgrTotale, 1,fpSpurious);
+fclose(fpSpurious);
+
+
+ // *Try* to deal with the color
+ // ----------------------------
+
+ // Planar configuration = 0 : Pixels are already RGB
+ // Planar configuration = 1 : 3 planes : R, G, B
+ // Planar configuration = 2 : 1 gray Plane + 3 LUT
+
+ // Well ... supposed to be !
+ // See US-PAL-8-10x-echo.dcm: PlanarConfiguration=0,PhotometricInterpretation=PALETTE COLOR
+ // and heuristic has to be found :-(
+
+ std::string str_PhotometricInterpretation = gdcmHeader::GetPubElValByNumber(0x0028,0x0004);
+
+ if ( (str_PhotometricInterpretation == "MONOCHROME1 ")
+ || (str_PhotometricInterpretation == "MONOCHROME2 ")
+ || (str_PhotometricInterpretation == "RGB")) {
+ return lgrTotale;
+ }
+ int planConf=GetPlanarConfiguration();
+
+ switch (planConf) {
+ case 0:
+ // Pixels are already RGB
+ break;
+
+ case 1:
+
+ {
+ if (str_PhotometricInterpretation == "YBR_FULL") { // Warning : YBR_FULL_422 acts as RGB (?!)
+
+ // need to make RGB Pixels from Planes Y,cB,cR
+ // see http://lestourtereaux.free.fr/papers/data/yuvrgb.pdf
+ // for code optimisation
+
+ int l = GetXSize()*GetYSize();
+ int nbFrames = GetZSize();
+
+ unsigned char * newDest = (unsigned char*) malloc(lgrTotale);
+ unsigned char *x = newDest;
+ unsigned char * a = (unsigned char *)destination;
+ unsigned char * b = a + l;
+ unsigned char * c = b + l;
+
+ double R,G,B;
+
+ // TODO : Replace by the 'well known'
+ // integer computation counterpart
+ for (int i=0;i<nbFrames;i++) {
+ for (int j=0;j<l; j++) {
+ R= 1.164 *( *a-16) + 1.596 *( *c -128) + 0.5;
+ G= 1.164 *( *a-16) - 0.813 *( *c -128) - 0.392 *(*b -128) + 0.5;
+ B= 1.164 *( *a-16) + 2.017 *( *b -128) + 0.5;
+
+ if (R<0.0) R=0.0;
+ if (G<0.0) G=0.0;
+ if (B<0.0) B=0.0;
+ if (R>255.0) R=255.0;
+ if (G>255.0) G=255.0;
+ if (B>255.0) B=255.0;
+
+ *(x++) = (unsigned char)R;
+ *(x++) = (unsigned char)G;
+ *(x++) = (unsigned char)B;
+ a++; b++; c++;
+ }
+ }
+ memmove(destination,newDest,lgrTotale);
+ free(newDest);
+
+ } else {
+
+ // need to make RGB Pixels from Planes R,G,B
+
+ int l = GetXSize()*GetYSize();
+ int nbFrames = GetZSize();
+
+ char * newDest = (char*) malloc(lgrTotale);
+ char *x = newDest;
+ char * a = (char *)destination;
+ char * b = a + l;
+ char * c = b + l;
+
+ // TODO :
+ // any trick not to have to allocate temporary buffer is welcome ...
+
+ for (int i=0;i<nbFrames;i++) {
+ for (int j=0;j<l; j++) {
+ *(x++) = *(a++);
+ *(x++) = *(b++);
+ *(x++) = *(c++);
+ }
+ }
+ memmove(destination,newDest,lgrTotale);
+ free(newDest);
+ }
+
+ // now, it's an RGB image
+ // Lets's write it in the Header
+ std::string spp = "3";
+ gdcmHeader::SetPubElValByNumber(spp,0x0028,0x0002);
+ std::string rgb="RGB";
+ gdcmHeader::SetPubElValByNumber(rgb,0x0028,0x0004);
+ break;
+ }
+
+ case 2:
+ // from Lut R + Lut G + Lut B
+
+ // we no longer use gdcmHeader::GetLUTRGB
+ // since a lot of images have strange info
+ // in the Lookup Table Descriptors (0028,1101),...
+ {
+ unsigned char * newDest = (unsigned char*) malloc(lgrTotale);
+ unsigned char * a = (unsigned char *)destination;
+
+ unsigned char *lutR =(unsigned char *)GetPubElValVoidAreaByNumber(0x0028,0x1201);
+ unsigned char *lutG =(unsigned char *)GetPubElValVoidAreaByNumber(0x0028,0x1202);
+ unsigned char *lutB =(unsigned char *)GetPubElValVoidAreaByNumber(0x0028,0x1203);
+
+ if (lutR && lutG && lutB ) { // need to make RGB Pixels
+ // from grey Pixels
+ // and Lut R,Lut G,Lut B
+
+ unsigned char * newDest = (unsigned char*) malloc(lgrTotale);
+ int l = lgrTotale/3;
+ memmove(newDest, destination, l);// move Gray pixels to temp area
+
+ unsigned char * x = newDest;
+
+ int j;
+ // See PS 3.3-2003 C.11.1.1.2 p 619
+ //
+ int mult;
+ if ( GetLUTNbits()==16 && nb==8) mult=2; // See PS 3.3
+ else mult=1;
+
+ for (int i=0;i<l; i++) {
+ j=newDest[i]*mult;
+ *a++ = lutR[j];
+ *a++ = lutG[j];
+ *a++ = lutB[j];
+ }
+
+ free(newDest);
+
+ // now, it's an RGB image
+ std::string spp = "3";
+ gdcmHeader::SetPubElValByNumber(spp,0x0028,0x0002);
+ std::string rgb="RGB";
+ gdcmHeader::SetPubElValByNumber(rgb,0x0028,0x0004);
+
+ } else { // need to make RGB Pixels (?)
+ // from grey Pixels (?!)
+ // and Gray Lut (!?!)
+ unsigned char *lutGray =(unsigned char *)GetPubElValVoidAreaByNumber(0x0028,0x1200);
+ // Well . I'll wait till I find such an image
+ }
+ break;
+ }
+ }
+
+ return lgrTotale;