marginate: twitter aspect ratio

1 files changed, 5 insertions, 1 deletions

diff --git a/dot/local/bin/marginate b/dot/local/bin/marginate
index 9c075c8..e62410c 100755
--- a/dot/local/bin/marginate
+++ b/dot/local/bin/marginate
@@ -1,6 +1,10 @@
 #!/bin/sh
 
-options='-gravity center -extent 140%x140%'
+margin=100
+aspect_ratio=177
+
+extent=$((margin * aspect_ratio / 100))%x${margin}%
+options="-gravity center -extent $extent"
 
 for input
 do