64 lines
1.2 KiB
Perl
Executable File
64 lines
1.2 KiB
Perl
Executable File
#!/usr/bin/perl
|
|
#
|
|
#
|
|
# convert image to Encapsulated Postscript, with possible scaling of width
|
|
#
|
|
# Example: img2eps --width=3 myfile.gif
|
|
# (width in inches)
|
|
#
|
|
|
|
$width = "";
|
|
|
|
if ($ARGV[0] =~ /^--width=(.+)$/) {
|
|
$width = $1;
|
|
shift (@ARGV);
|
|
}
|
|
|
|
#print "width =",$width,"\n";
|
|
|
|
#print "argv =",$ARGV[0],"\n";
|
|
|
|
$infile = $ARGV[0];
|
|
|
|
if (!(-e $infile)) {
|
|
print "File doesn't exist\n";
|
|
exit 1;
|
|
}
|
|
|
|
$imagesz = `identify $ARGV[0]`;
|
|
|
|
($name, $type, $size, $rest) = split / /, $imagesz, 4;
|
|
#print "split:", $name, " ", $type, " ", $size, " ", $rest, "\n";
|
|
#print "size = ",$size,"\n";
|
|
|
|
($x, $y) = split /x/, $size, 2;
|
|
($y, $rest) = split /\+/, $y, 2;
|
|
|
|
#print $x," by ",$y, "\n";
|
|
|
|
#
|
|
# if width set, we need to scale
|
|
#
|
|
|
|
if ($width != "") {
|
|
$scale = $width * (72.0/$x);
|
|
} else {
|
|
$scale = 1;
|
|
}
|
|
|
|
$scale = 72.0/$scale;
|
|
#print "scale = ",$scale,"\n";
|
|
|
|
$tmpfile = $infile;
|
|
$tmpfile =~ s/\.gif/\.ept/;
|
|
|
|
$outfile = $infile;
|
|
$outfile =~ s/\.gif/\.eps/;
|
|
|
|
#print $infile," ",$outfile,"\n";
|
|
system("convert $infile tmpimage.pgm");
|
|
#system("giftopnm $infile | ppmtopgm > tmpimage.pgm");
|
|
system("convert -density $scale tmpimage.pgm $tmpfile");
|
|
system("mv -f $tmpfile $outfile");
|
|
system("rm -f tmpimage.pgm");
|