From 9fdd813bbcbfb9f870e787427a52a5a541240788 Mon Sep 17 00:00:00 2001
From: Robert Günzler <r@gnzler.io>
Date: Wed, 16 Apr 2025 15:07:59 +0200
Subject: edit: support SCALE when compressing/dithering
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Signed-off-by: Robert Günzler <r@gnzler.io>
---
 edit.mk | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/edit.mk b/edit.mk
index 48f6856..a9fa934 100644
--- a/edit.mk
+++ b/edit.mk
@@ -12,6 +12,10 @@ change:
 
 .PHONY: commit edit change
 
+IN ?=
+OUT ?=
+SCALE ?= x400
+
 compress:
     # => https://kokorobot.ca/site/image_optimization.html
 	magick $(IN) \
@@ -19,13 +23,20 @@ compress:
         -strip \
         -quality 85 \
         -interlace line \
+        -scale $(SCALE) \
         $(OUT)
         # -colorspace sRGB \
 
 dither:
     # => https://legacy.imagemagick.org/Usage/quantize/#ordered-dither
 	magick $(IN) \
-        -ordered-dither o8x8 \
+        -sampling-factor 4:2:0 \
+        -strip \
+        -quality 85 \
+        -interlace line \
+        -ordered-dither o3x3 \
+        -scale $(SCALE) \
         $(OUT)
+        # -colorspace Gray \
 
 .PHONY: compress dither
-- 
cgit 1.4.1