From 2ef325d3dd5900d7681fce8f0ffc2450b493b363 Mon Sep 17 00:00:00 2001
From: Tor Andersson <tor@ccxvii.net>
Date: Mon, 14 Nov 2022 14:20:33 +0100
Subject: Tweak layout to allow for square cover images.

---
 tools/gencovers.sh | 37 ++++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

(limited to 'tools/gencovers.sh')

diff --git a/tools/gencovers.sh b/tools/gencovers.sh
index a0ec53d..1ae2b90 100644
--- a/tools/gencovers.sh
+++ b/tools/gencovers.sh
@@ -1,18 +1,41 @@
-for F in public/*/cover.jpg
+for F in public/*/cover.jpg public/*/cover.png
 do
 	echo Processing: $F
-	B=$(echo $F | sed s/.jpg//)
+	B=$(echo $F | sed s/.jpg// | sed s/.png//)
 	D=$(dirname $F)
 
-	convert -resize 200x200 $F $B.1x.png
+	PORTRAIT=$(convert $F -format '%[fx:w<h]' info:)
+	SQUARE=$(convert $F -format '%[fx:w=h]' info:)
+
+	SIZE_1X=170x200
+	SIZE_2X=340x400
+	SIZE_TH=120x144
+
+	if test $PORTRAIT = 1
+	then
+		echo - portrait
+		SIZE_1X=150x200!
+		SIZE_2X=300x400!
+		SIZE_TH=108x144!
+	fi
+
+	if test $SQUARE = 1
+	then
+		echo - square
+		SIZE_1X=170x170!
+		SIZE_2X=170x170!
+		SIZE_TH=120x120!
+	fi
+
+	convert -colorspace RGB -resize $SIZE_1X -colorspace sRGB $F $B.1x.png
 	mozjpeg -q 95 -outfile $B.1x.jpg $B.1x.png
 	rm -f $B.1x.png
 
-	convert -resize 400x400 $F $B.2x.png
-	mozjpeg -q 90 -outfile $B.2x.jpg $B.2x.png
+	convert -colorspace RGB -resize $SIZE_2X $F -colorspace sRGB $B.2x.png
+	mozjpeg -q 95 -outfile $B.2x.jpg $B.2x.png
 	rm -f $B.2x.png
 
-	convert -resize 108x144! $F $D/thumbnail.png
-	mozjpeg -q 90 -outfile $D/thumbnail.jpg $D/thumbnail.png
+	convert -colorspace RGB -resize $SIZE_TH $F -colorspace sRGB $D/thumbnail.png
+	mozjpeg -q 95 -outfile $D/thumbnail.jpg $D/thumbnail.png
 	rm -f $D/thumbnail.png
 done
-- 
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