PostScript (PostScript). PostScript is a simple interpretive page description language, also known as PDL, that is used to describe the appearance of text, graphical shapes and sampled images on printed or displayed pages. The page description and graphical capabilities of this language include arbitrary shapes, painting operators, fully integrated text and graphics, and sampled images derived from natural sources. Most advanced laser printers use PostScript in order to render electronic information on a printed page.
 
For a PostScript image, you can read the following bits per pixel, using various DPI options: 1, 2, 4, 8, 24.
For a PS file, you can read the following bits per pixel, using various DPI options: 1, 2, 4, 8, 24.
You can write an 8-bit PostScript raster image.