From 45f0edd74658f39e7ed1e61e5159f7fdb58a497d Mon Sep 17 00:00:00 2001
From: Zach van Rijn <me@zv.io>
Date: Wed, 6 Dec 2023 11:51:22 -0600
Subject: Correctly generate screenshots.

Previous versions of this script generated (and
overwrote) screenshots for each aspect ratio, so
the last one would be kept. This was incorrect.

For now, screenshots are hard-coded as 8:5 ratio
200 scale (400x250) images.
---
 prepare | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/prepare b/prepare
index b1c3aa1..4cf6843 100755
--- a/prepare
+++ b/prepare
@@ -103,12 +103,13 @@ TYPE="jpg";
 # Table rows MUST BE SORTED FROM GREATEST TO LEAST.
 #
 MAKE=$(grep -v ^# <<EOF
-4:3 640 400 256 200
-5:4 480 256
-3:2 854
+21:9 122
 16:10 160 120 105 80
 16:9 240 160 120 90
-21:9 122
+8:5 200
+5:4 480 256
+4:3 640 400 256 200
+3:2 854
 EOF
 );
 
@@ -237,14 +238,9 @@ size_only ()
             y=$((${k}*${size#*:}));
             printf "      - Generating %4sx%4s (scale: %s)\n" "${x}" "${y}" "${k}";
 
-
             # resized
             gm convert "${image}/${from_x}x${from_y}.png" -resize ${x}x${y}^ "${KEEP}"/${name}/${x}x${y}.${type} 2>/dev/null;
         done
-
-        # screenshot
-        printf "      - Generating screenshot\n";
-        gm convert "${image}/${from_x}x${from_y}.png" -resize 400x250^ "${KEEP}"/${name}/screenshot.jpg 2>/dev/null;
     done
 }
 
@@ -418,6 +414,17 @@ printf "%s\n" "${MAKE}" | while read k; do
 done
 
 
+#---------------------------------------------------------------
+# output: screenshots
+#---------------------------------------------------------------
+
+find "${TEMP}"/generated -mindepth 1 -maxdepth 1 -type d | sort | while read k; do
+    name=$(printf "%s\n" "${k}" | cut -d/ -f3); # sloppy, sorry
+    printf "Generating screenshot ('%s')...\n" "${KEEP}/${name}/screenshot.jpg";
+    gm convert "${k}"/1600x1000.png -resize 400x250^ "${KEEP}"/${name}/screenshot.jpg 2>/dev/null;
+done
+
+
 #---------------------------------------------------------------
 # output: metadata
 #---------------------------------------------------------------
-- 
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