From 6db907e90cee931c98be2684ba5deed698b1ebb6 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Wed, 3 Jan 2024 22:32:00 +0100
Subject: [PATCH] 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.
---
 tools/mkimgthumb | 35 +++++++++++++++++++++++++++++++----
 1 file changed, 31 insertions(+), 4 deletions(-)

diff --git a/tools/mkimgthumb b/tools/mkimgthumb
index 8f0097a..32ae1a3 100755
--- 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 $@;
-- 
2.30.0