PixArt

PixArt is a graphics program for the Atari line of computers.

Identification
files begin with ASCII "".

Format
1 long          file ID 'PIXT' 1 word          version, $0001 or $0002 1 byte          type, 0 to 2 depending on number of planes, see below 1 byte          number of planes 1 word          xres (always a multiple of 16) 1 word          yres 1 word          unknown 1 word          unknown (version $0002 only) -- 14 or 16 bytes  total for header

3*n bytes       palette, only for bit depths 2, 4, 8 3 bytes per entry in RGB order (0-255)

???? bytes      image data: bit depth 1 type = 1, planar bit depths 2, 4, 8 type = 0, chunky type = 1, planar bit depth 16 is always chunky: type = 0, xRRRRRGGGGGBBBBB type = 1, RRRRRGGGGGGBBBBB (Falcon) type = 2, GGGBBBBBxRRRRRGG (word swapped) bit depth 24 is always chunky: type = 0, BGR type = 1, RGB bit depth 32 is always chunky: type = 0, ARGB

Software

 * RECOIL

Sample files

 * https://telparia.com/fileFormatSamples/image/pixArt/

Links

 * PixArt v4.52
 * PixArt_file_format