JAL-3594 Release images and channel properties

[jalview.git] / utils / install4j / README_convert_PNG_to_ICNS_and_ICO

diff --git a/utils/install4j/README_convert_PNG_to_ICNS_and_ICO b/utils/install4j/README_convert_PNG_to_ICNS_and_ICO
index 3d2dbf4..b50eb1a 100644 (file)
--- a/utils/install4j/README_convert_PNG_to_ICNS_and_ICO
+++ b/utils/install4j/README_convert_PNG_to_ICNS_and_ICO
@@ -20,3 +20,12 @@ It is then up to the OS to display the correct one in different circumstances.
 This script uses the utilities convert (ImageMagick) and png2icns (icnsutils) which should be installed and in the path.
 Note that for some reason ICNS files should not contain a 64x64 pixel version of a logo, so the script removes this
 as png2icns complains if it finds one!
+
+### Rotatable icon with white background
+
+This icon is used by the web services progress window, with the rotating Jalview logo.
+It requires some small margin of white pixels around the logo to enable antialiasing around the edge of the logo.
+You can make one form a 48x48 transparent logo with
+```
+convert jalview_logo-48.png -gravity center -background white -extent 60x60 rotatable_jalview_logo-48.png
+```