Fix hang when directory contains unsupported file types
see issue 1389
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@@ -367,7 +367,7 @@ int ImageIO::loadJPEG (Glib::ustring fname) {
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jpeg_read_header(&cinfo, TRUE);
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//if JPEG is CMYK, then abort reading
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if (cinfo.jpeg_color_space == JCS_CMYK || cinfo.jpeg_color_space == JCS_YCCK) {
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if (cinfo.jpeg_color_space == JCS_CMYK || cinfo.jpeg_color_space == JCS_YCCK || cinfo.jpeg_color_space == JCS_GRAYSCALE) {
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jpeg_destroy_decompress(&cinfo);
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return IMIO_READERROR;
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}
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@@ -438,12 +438,14 @@ int ImageIO::loadTIFF (Glib::ustring fname) {
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TIFFGetField(in, TIFFTAG_IMAGEWIDTH, &width);
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TIFFGetField(in, TIFFTAG_IMAGELENGTH, &height);
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uint16 bitspersample, samplesperpixel;
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uint16 bitspersample, samplesperpixel, sampleformat;
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TIFFGetField(in, TIFFTAG_BITSPERSAMPLE, &bitspersample);
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TIFFGetField(in, TIFFTAG_SAMPLESPERPIXEL, &samplesperpixel);
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TIFFGetField(in, TIFFTAG_SAMPLEFORMAT, &sampleformat);
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uint16 photometric;
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if (!TIFFGetField(in, TIFFTAG_PHOTOMETRIC, &photometric) ||
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photometric != PHOTOMETRIC_RGB || samplesperpixel < 3) {
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photometric != PHOTOMETRIC_RGB || samplesperpixel < 3 || (bitspersample!=8 && bitspersample!=16) || sampleformat>2) {
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TIFFClose(in);
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return IMIO_VARIANTNOTSUPPORTED;
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}
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