From 39da13d7b9031b578228f21c13b4fa1e3f9c8ef9 Mon Sep 17 00:00:00 2001
From: Mischa POSLAWSKY <perl@shiar.org>
Date: Sun, 3 May 2020 00:22:01 +0200
Subject: [PATCH] dieren: mkimgthumb number suffix as crop shorthand

Simplifies vleerhond:-crop:70%x0:-chop:20%x30% to vleerhond:12x30x30x0
and many more.
---
 tools/mkimgthumb | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/tools/mkimgthumb b/tools/mkimgthumb
index 8875252..3c38e7c 100755
--- a/tools/mkimgthumb
+++ b/tools/mkimgthumb
@@ -12,7 +12,15 @@ for my $src (@ARGV) {
 		($src) = grep {-e} glob qq<"$name"{,:*}.$ext> or next;
 	}
 	say $name;
-	unshift @cmds, -gravity => 'northwest';
+
+	if (@cmds and $cmds[0] =~ /^\d/) {
+		# crop shorthand from initial dimension argument
+		my @crop = split /\D/, shift @cmds;
+		unshift @cmds, -gravity => 'southeast', -chop => "$crop[2]%x$crop[3]%"
+			if @crop > 2;
+		unshift @cmds, -chop => "$crop[0]%x$crop[1]%";
+	}
+	unshift @cmds, -gravity => 'northwest' if @cmds;
 	push @cmds, -resize => '300x200^', -gravity => 'north', -extent => '300x200';
 	push @cmds, '-strip', -quality => '60%';
 	system(convert => @cmds, $src => "../$name.jpg") == 0
-- 
2.30.0