From f74e26a36dd32050774f1c4a9256147fb25ae595 Mon Sep 17 00:00:00 2001 From: Thomas Bernard Date: Sat, 14 Nov 2020 12:53:01 +0000 Subject: [PATCH 3/3] tiff2pdf.c: properly calculate datasize when saving to JPEG YCbCr fixes #220 --- tools/tiff2pdf.c | 14 +++++++++++--- 1 file changed, 11 insertions(+), 3 deletions(-) diff --git a/tools/tiff2pdf.c b/tools/tiff2pdf.c index a15a3ef..db380ec 100644 --- a/tools/tiff2pdf.c +++ b/tools/tiff2pdf.c @@ -2049,9 +2049,17 @@ void t2p_read_tiff_size(T2P* t2p, TIFF* input){ #endif (void) 0; } - k = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p); - if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){ - k = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p); +#ifdef JPEG_SUPPORT + if(t2p->pdf_compression == T2P_COMPRESS_JPEG + && t2p->tiff_photometric == PHOTOMETRIC_YCBCR) { + k = checkMultiply64(TIFFNumberOfStrips(input), TIFFStripSize(input), t2p); + } else +#endif + { + k = checkMultiply64(TIFFScanlineSize(input), t2p->tiff_length, t2p); + if(t2p->tiff_planar==PLANARCONFIG_SEPARATE){ + k = checkMultiply64(k, t2p->tiff_samplesperpixel, t2p); + } } if (k == 0) { /* Assume we had overflow inside TIFFScanlineSize */ -- 2.31.1