summarise file type and dimensions

[minime.git] / termimg

diff --git a/termimg b/termimg
index 2545c9bf388796329e17c7009a26c90240fb9319..bec4a4bbbd1a7b148a195378abbdd09470b5e6e4 100755 (executable)
--- a/termimg
+++ b/termimg
@@ -1,10 +1,31 @@
-#!/bin/sh
-convert -compress none -resize 66x23 - pgm:- |
-perl -nE '
-$_ eq "P2\n" or die "ascii pgm input required\n" if $. == 1;
-next if $. <= 3;
+#!/usr/bin/perl
+use 5.014;
+my ($file, $size) = @ARGV;
 
-state @ch = split //, " .oO@";
-print $ch[ $_ / 256 * @ch ] for /\d+/g;
-print $/;
-'
+my @info = eval {
+       require Image::ExifTool;
+       my $exif = Image::ExifTool->new->ImageInfo($file);
+       return (
+               " $exif->{MIMEType}",
+               $exif->{ImageSize} ? " $exif->{ImageSize} ($exif->{Megapixels}MP)" : (),
+               $exif->{ColorType} ? " $exif->{BitDepth}bpp $exif->{ColorType}" : (),
+       );
+} or warn $@;
+
+open my $pgm, '-|', convert => (
+       -compress => 'none',
+       '+distort' => SRT => '0,0 1,.56 0',
+       -thumbnail => $size || '66x23',
+       $file => 'pgm:-'
+) or die $!;
+<$pgm> eq "P2\n" or do {
+       say for @info;
+       exit 1;
+};
+<$pgm>; <$pgm>;  # ignore depth, dimensions
+
+my @ch = split //, " .:coO@";
+while (<$pgm>) {
+       print $ch[ $_ * @ch >> 8 ] for /\d+/g;
+       print $info[$. - 4], $/;
+}