To Support Zeiss images that contains only 2 samples per pixel but are actually * RGB images */
| 969 | /** To Support Zeiss images that contains only 2 samples per pixel but are actually |
| 970 | * RGB images */ |
| 971 | void vtkTIFFReader::ReadTwoSamplesPerPixelImage(void* out, unsigned int width, unsigned int height) |
| 972 | { |
| 973 | unsigned int isize = TIFFScanlineSize(this->InternalImage->Image); |
| 974 | unsigned int cc; |
| 975 | int row; |
| 976 | tdata_t buf = _TIFFmalloc(isize); |
| 977 | |
| 978 | int inc = 1; |
| 979 | |
| 980 | if (this->GetDataScalarType() == VTK_UNSIGNED_CHAR) |
| 981 | { |
| 982 | unsigned char* image; |
| 983 | if (this->InternalImage->PlanarConfig == PLANARCONFIG_CONTIG) |
| 984 | { |
| 985 | for (row = 0; row < (int)height; row++) |
| 986 | { |
| 987 | if (TIFFReadScanline(this->InternalImage->Image, buf, row, 0) <= 0) |
| 988 | { |
| 989 | vtkErrorMacro(<< "Problem reading the row: " << row); |
| 990 | break; |
| 991 | } |
| 992 | |
| 993 | if (this->InternalImage->Orientation == ORIENTATION_TOPLEFT) |
| 994 | { |
| 995 | image = reinterpret_cast<unsigned char*>(out) + row * width * inc; |
| 996 | } |
| 997 | else |
| 998 | { |
| 999 | image = reinterpret_cast<unsigned char*>(out) + width * inc * (height - (row + 1)); |
| 1000 | } |
| 1001 | |
| 1002 | for (cc = 0; cc < isize; cc += this->InternalImage->SamplesPerPixel) |
| 1003 | { |
| 1004 | inc = this->EvaluateImageAt(image, static_cast<unsigned char*>(buf) + cc); |
| 1005 | image += inc; |
| 1006 | } |
| 1007 | } |
| 1008 | } |
| 1009 | else if (this->InternalImage->PlanarConfig == PLANARCONFIG_SEPARATE) |
| 1010 | { |
| 1011 | unsigned long s; |
| 1012 | unsigned long nsamples = 0; |
| 1013 | TIFFGetField(this->InternalImage->Image, TIFFTAG_SAMPLESPERPIXEL, &nsamples); |
| 1014 | for (s = 0; s < nsamples; s++) |
| 1015 | { |
| 1016 | for (row = 0; row < (int)height; row++) |
| 1017 | { |
| 1018 | if (TIFFReadScanline(this->InternalImage->Image, buf, row, s) <= 0) |
| 1019 | { |
| 1020 | vtkErrorMacro(<< "Problem reading the row: " << row); |
| 1021 | break; |
| 1022 | } |
| 1023 | |
| 1024 | inc = 3; |
| 1025 | |
| 1026 | if (this->InternalImage->Orientation == ORIENTATION_TOPLEFT) |
| 1027 | { |
| 1028 | image = reinterpret_cast<unsigned char*>(out) + row * width * inc; |
no test coverage detected