dieren: mkimgthumb script options to override export formats

Support exceptional quality and resolution for custom results.
Fall back to unaltered jpg/webp preset for existing optionless requests.

diff --git a/tools/mkimgthumb b/tools/mkimgthumb
index 8f0097abba417291cdb3bd5bf682c29e2302fb15..32ae1a3f2b6317511547ac728f5d6fa041f87263 100755 (executable)
--- a/tools/mkimgthumb
+++ b/tools/mkimgthumb
@@ -4,6 +4,32 @@ use warnings;
 use lib $0 =~ s{[^/]+$}{..}r; # project root
 use Shiar_Sheet::ImagePrep '1.03';
 
+our $VERSION = '1.00';
+
+my %opt;
+
+if (@ARGV and $ARGV[0] =~ /^-/) {
+       require Getopt::Long;
+       Getopt::Long->import(qw( 2.33 :config gnu_getopt ));
+       GetOptions(\%opt,
+               'jpg=s',
+               'webp=s',
+       ) or exit 64;
+}
+
+%opt or %opt = (
+       jpg  => '300x200',
+       webp => '630x420@30',
+);
+
+my @ffs;
+for (keys %opt) {
+       push @ffs, my $ff = [$_];
+       my $r = $opt{$_};
+       push @{$ff}, -quality => $1 if $r =~ s/@(\d+)//;
+       push @{$ff}, -resize => "$r^", -extent => $r;
+}
+
 my $failcount = 0;
 
 for my $src (@ARGV) {
@@ -24,12 +50,13 @@ for my $src (@ARGV) {
                unshift @cmds, -chop => "$crop[0]%x$crop[1]%";
        }
        push @cmds, -gravity => 'north';
-       my @cmdwebp = (-resize => '630x420^', -extent => '630x420', -quality => 30);
-       my @cmdjpeg = (-resize => '300x200^', -extent => '300x200');
        eval {
                my $image = Shiar_Sheet::ImagePrep->new($src);
-               $image->convert("../$name.jpg",  [@cmds, @cmdjpeg]);
-               $image->convert("../$name.webp", [@cmds, @cmdwebp]);
+               for (@ffs) {
+                       my ($ff, @ffcmds) = @{$_};
+                       $image->convert("../$name.$ff", [@cmds, @ffcmds]);
+               }
+               1;
        } or do {
                warn "error creating image:\n";
                warn ref $@ eq 'ARRAY' ? $@->[1] : $@ if $@;