Sun icon

Sun icon is a raster image format, used for icons on some Sun operating systems.

Images are usually bi-level. 8-bit grayscale or palette color images are possible, but may not be portable (no palette is stored in the file).

Format
Sun icon file are entirely ASCII text. They have a header delimited by " " and " ", followed by a comma-separated list of hexadecimal numbers.

Identification
Files begin with ASCII text " ".

Software

 * Netpbm (sunicontopnm, or icontopbm with old versions of Netpbm)
 * XnView

Sample files

 * http://www.fileformat.info/format/sunicon/sample/index.htm

Researchers notes
TODO: Figure out if Sun cursor files use the same format, and if .cursor and .pr filename extensions should also be listed.

Resources

 * Sun Icon File Format Summary