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#!/usr/local/perl/bin/perl # # Cropping a portion of a postscript file # Postscript magic and instructions provided by Chapman Flack. # Script implemented by Diego Zamboni <zamboni@cerias.purdue.edu> # # 1. View the page in gv. If it's a multipage document, mark the pag +e and # hit "save marked" so you have a small file to deal with. # 2. Move the mouse pointer to the lower left corner of the area you +want. # Record the gv displayed coordinates as X1 and Y1. # 3. Point to the upper right corner and record X2 and Y2. # 4. Run "crop-ps X1 Y1 X2 Y2 file.ps > cropped_file.ps" # # This will not work for postscript files that do not have the appropr +iate # structuring comments (%%EndSetup, %%Page, etc.) $usage="Usage: $0 x1 y1 x2 y2 file.ps"; $x1=shift @ARGV; $y1=shift @ARGV; $x2=shift @ARGV; $y2=shift @ARGV; ($x1 && $y2 && $x2 && $y2 ) or die "$usage\n"; $w=$x2-$x1; $h=$y2-$y1; $flag=0; while (<>) { if (/^%%BoundingBox:/) { print "%%BoundingBox: 0 0 $w $h\n"; } elsif (!$flag && (/^%%EndSetup/ || /^%%Page:/)) { print; print "-$x1 -$y1 translate\n"; print "$x1 $y1 moveto $x1 $y2 lineto $x2 $y2 lineto $x2 $y1 lineto + closepath\n"; print "clip\n"; $flag=1; } else { print; } }

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