Commit 43462065 authored by Tiago de Freitas Pereira's avatar Tiago de Freitas Pereira
Browse files

Added support to open images with the PHOTOMETRIC_PALETTE tag set. Issue #2

parent 4b7a7202
......@@ -103,12 +103,16 @@ void im_load_gray(boost::shared_ptr<TIFF> in_file, bob::io::base::array::interfa
image_offset += result;
//Comment just to document
//PHOTOMETRIC_PALETTE: In this model, a color is described with a single component. The value of the component is used as an index into the red, green and blue curves in the ColorMap field to retrieve an RGB triplet that defines the color. When PhotometricInterpretation=3
// Deal with photometric interpretations
if(TIFFGetField(in_file.get(), TIFFTAG_PHOTOMETRIC, &photo) == 0 || (photo != PHOTOMETRIC_MINISBLACK && photo != PHOTOMETRIC_MINISWHITE))
if(TIFFGetField(in_file.get(), TIFFTAG_PHOTOMETRIC, &photo) == 0 || (photo != PHOTOMETRIC_MINISBLACK && photo != PHOTOMETRIC_MINISWHITE && photo != PHOTOMETRIC_PALETTE)){
throw std::runtime_error("TIFF: error in function TIFFGetField()");
// Flip bits
for(unsigned long count=0; count<buffer_size; ++count)
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