]> git.proxmox.com Git - pve-docs.git/blame_incremental - png-cleanup.pl
add documentation for display types and memory configuration
[pve-docs.git] / png-cleanup.pl
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1#!/usr/bin/perl
2
3use strict;
4use warnings;
5
6my $infile = shift ||
7 die "no input file specified\n";
8
9my $outfile = shift ||
10 die "no outpu file specified\n";
11
12# use the following to verify image attributes
13# identify -verbose <filename>
14
15# set PixelsPerCentimeter to 58, so that we can display 1024
16# pixels (page width)
17
18my $dpcm = 58;
19
20system("convert -units PixelsPerCentimeter $infile -density $dpcm $outfile");
21
22# identify should return the same value
23# system("identify -units PixelsPerCentimeter -format '%x x %y' $outfile");