Storage format for images that can be used as graphic textures in 3D applications or computer games. It is also used in the CorelDRAW software as a Pantone Spot reference palette element for the purpose of applying colors to editable elements.
This is an image file format written in textual form in the C language. It is used in the X Windows System interface for remote connections, which is designed to serve clients and servers. This format can be used to store color and monochrome images.