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Commit | Line | Data |
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f250356f DM |
1 | #!/usr/bin/perl |
2 | ||
3 | use strict; | |
4 | use warnings; | |
5 | ||
6 | my $infile = shift || | |
7 | die "no input file specified\n"; | |
8 | ||
9798ad65 | 9 | my $dpcm = 58; # expected |
f250356f | 10 | |
9798ad65 | 11 | my $tmp = `identify -units PixelsPerCentimeter -format '%x x %y' $infile`; |
f250356f | 12 | |
9798ad65 DM |
13 | die "got unexpected density '$tmp' (fix with png-cleanup.pl)\n" |
14 | if $tmp ne "$dpcm x $dpcm"; | |
f250356f DM |
15 | |
16 | exit 0; |