From 4134757d5ef6470edee1165f3c3f5c8ac251b4d0 Mon Sep 17 00:00:00 2001
From: xyz <gky44px1999@gmail.com>
Date: Fri, 13 Aug 2021 00:36:28 -0700
Subject: screen width and height env var, refactor

---
 .local/bin/convwall | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to '.local/bin/convwall')

diff --git a/.local/bin/convwall b/.local/bin/convwall
index 21645240..9db84d06 100755
--- a/.local/bin/convwall
+++ b/.local/bin/convwall
@@ -1,9 +1,9 @@
 #!/bin/sh
 
-# 16:9 screen aspect ratio
-# 16*100/9 == 177
-wratio=16
-hratio=9
+# target image aspect ratio
+wratio=$SCRWIDTH
+hratio=$SCRHEIGHT
+# chop how much from center
 chopnum=99%
 
 width=$(identify -format '%w' "$1")
@@ -27,6 +27,6 @@ if [ "$dim" -ne "$ratio" ]; then
 	# another approach is to use "$width" or "x$height" for geometry, current approach is more readable
 	convert "$1" -gravity center -background "$bgcolor" -extent "${width}x$height" "$2"
 else
-	echo 'same resolution ratio, no need to convert' >&2
+	echo 'same aspect ratio, no need to convert' >&2
 	exit 1
 fi
-- 
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