debranding - Experimenting with a larger spinner based on the EmComm Tools main icon

logos/et-spinner/make-et-spinner.sh

@@ -0,0 +1,34 @@
+#!/bin/bash
+#
+# Author  : Gaston Gonzalez
+# Date    : 5 September 2026
+# Purpose : Generate 36 PNG images for use as a spinner for Plymouth
+#
+# throbber-xxxx.png is the looping animation on startup
+# animation-xxxx.png is the end frame animation
+#
+# For simplicity, 36 frames are generated for both using ImageMagick.
+
+SIZE=64x64
+SPINNER_PNG="et-${SIZE}-icon.png"
+
+convert ../../overlay/usr/share/icons/emcomm-tools-icon-black-512.png \
+  -transparent black et-512x512-icon.png
+
+convert et-512x512-icon.png \
+  -resize ${SIZE} ${SPINNER_PNG}
+
+for i in $(seq 0 35); do
+  angle=$((i * 10))
+  frame=$(printf "%04d" $((i + 1)))
+
+  convert ${SPINNER_PNG}  \
+    -background none \
+    -rotate "${angle}" \
+    -gravity center \
+    -extent ${SIZE} \
+    "animation-${frame}.png"
+
+  # Make a copy for the throbber frame looping animation
+  cp "animation-${frame}.png" "throbber-${frame}.png"
+done