shithub: pdffs

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ccittfax: default width is 1728

--- a/f_ccittfax.c

+++ b/f_ccittfax.c

@@ -2,6 +2,8 @@

 #include <libc.h>

 #include "pdf.h"

+/* 7.4.6 CCITTFaxDecode filter */

+

 enum {

 	Tbyte = 1,

 	Tascii,

@@ -91,7 +93,7 @@

 		return -1;

 	memmove(h, &bh, sizeof(bh));

 	parms = dictget(o, "DecodeParms");

-	h->ifd.de[DImageWidth].v = dictint(parms, "Columns");

+	h->ifd.de[DImageWidth].v = dictintopt(parms, "Columns", 1728);

 	h->ifd.de[DImageLength].v = dictint(parms, "Rows");

 	h->ifd.de[DPhotometricInterpretation].v = !dictint(parms, "BlackIs1");

 	h->ifd.de[DRowsPerStrip].v = h->ifd.de[DImageLength].v;