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22 lines
732 B
22 lines
732 B
Patch for bug #603081: failure to guard against bogus SamplesPerPixel
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when converting a YCbCr image to RGB.
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This patch duplicates into PickContigCase() a safety check that already
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existed in PickSeparateCase().
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Filed upstream at http://bugzilla.maptools.org/show_bug.cgi?id=2216
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diff -Naur tiff-3.9.2.orig/libtiff/tif_getimage.c tiff-3.9.2/libtiff/tif_getimage.c
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--- tiff-3.9.2.orig/libtiff/tif_getimage.c 2009-08-30 12:21:46.000000000 -0400
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+++ tiff-3.9.2/libtiff/tif_getimage.c 2010-06-11 12:06:47.000000000 -0400
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@@ -2397,7 +2397,7 @@
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}
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break;
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case PHOTOMETRIC_YCBCR:
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- if (img->bitspersample == 8)
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+ if ((img->bitspersample==8) && (img->samplesperpixel==3))
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{
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if (initYCbCrConversion(img)!=0)
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{
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