pamtowinicon

Convert a PAM image to a Windows ICO file. More information: https://netpbm.sourceforge.net/doc/pamtowinicon.html.

• Convert a PAM image file to an ICO file:

pamtowinicon path/to/input_file.pam > path/to/output.ico

• Encode images with resolutions smaller than t in the BMP format and all other images in the PNG format:

pamtowinicon -pngthreshold t path/to/input_file.pam > path/to/output.ico

• Make all pixels outside the non-opaque area black:

pamtowinicon -truetransparent path/to/input_file.pam > path/to/output.ico