diff options
Diffstat (limited to 'upstream/debian-unstable/man1/pstopnm.1')
| -rw-r--r-- | upstream/debian-unstable/man1/pstopnm.1 | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/upstream/debian-unstable/man1/pstopnm.1 b/upstream/debian-unstable/man1/pstopnm.1 index c6946d23..51a08fbe 100644 --- a/upstream/debian-unstable/man1/pstopnm.1 +++ b/upstream/debian-unstable/man1/pstopnm.1 @@ -3,7 +3,7 @@ .\" Do not hand-hack it! If you have bug fixes or improvements, please find .\" the corresponding HTML page on the Netpbm website, generate a patch .\" against that, and send it to the Netpbm maintainer. -.TH "Pstopnm User Manual" 1 "06 December 2013" "netpbm documentation" +.TH "Pstopnm User Manual" 1 "21 February 2024" "netpbm documentation" .SH NAME pstopnm - convert a PostScript file to a PNM image @@ -67,7 +67,7 @@ This program is part of .BR "Netpbm" (1)\c \&. .PP -\fBpstopnm\fP reads a PostScript file as input and produces PBM, +\fBpstopnm\fP reads a PostScript or PDF file as input and produces PBM, PGM, or PPM images as output. This program simply uses GhostScript to render a PostScript file with its PNM device drivers. If you don't have GhostScript installed or the version you have installed was not @@ -308,7 +308,19 @@ wouldn't use those in a program). .PP Note that Ghostscript bugs can keep this from doing a perfect reversible conversion. - +.PP +PDF is a subset of Postscript, so \fBpstopnm\fP can convert from PDF to +Netpbm format, but often produces the wrong size image because of +\fBpstopnm\fP's reliance on a BoundingBox DSC statement, which PDF does +not have. With pure text PDFs, it works fine. In other cases, you can get +better results by converting to general Postscript with the \fBpdf2ps\fP +program that comes with Ghostscript. For more information about converting to +and from PDF, see +.UR index.html#document +Document/Graphics Software +.UE +\&. + .UN options .SH OPTIONS |