PixArt
From Just Solve the File Format Problem
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== Sample files == | == Sample files == | ||
| − | * | + | * {{DexvertSamples|image/pixArt}} |
== Links == | == Links == | ||
* [https://www.atariuptodate.de/en/564/pixart PixArt v4.52] | * [https://www.atariuptodate.de/en/564/pixart PixArt v4.52] | ||
* [https://www.atari-forum.com/index.php/PixArt_file_format PixArt_file_format] | * [https://www.atari-forum.com/index.php/PixArt_file_format PixArt_file_format] | ||
Latest revision as of 02:55, 28 December 2023
PixArt is a graphics program for the Atari line of computers.
Contents |
[edit] Identification
.pix files begin with ASCII "PIXT".
[edit] 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
