Wireless Application Protocol Format bitmap (abbreviated as .wbmp Wireless Bitmap and file extension) is a monochrome graphics file formatoptimized for mobile computing devices. WBMP images are monochrome (black and white) so that the image size is kept to a minimum. A black pixel is denoted by 0 and a white pixel is denoted by 1. For color images, WAP compatible with the Portable Network Graphics format. Used primarily with WML wireless devices.
Simple graphic format in color. Use 24 bits per pixel: 8 for red, 8 for green, 8 for blue if the maximum gray value is 255, uses 16 bits for red, 16 for green and 16 for blue if the value is greater than 255 and less than 65536. a PPM file is plain text and can be modified with a single processor, there is also not readable binary version of word processing normally. It is related to the PGM (grayscale) and PBM formats (black and white).