Difference between revisions of "PixArt file format"
m (updated info) |
m (updated info) |
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| Line 4: | Line 4: | ||
1 long file ID 'PIXT' | 1 long file ID 'PIXT' | ||
1 word version, $0001 or $0002 | 1 word version, $0001 or $0002 | ||
| − | 1 byte type, | + | 1 byte type, 0 to 2 depending on number of planes, see below |
| − | 1 byte | + | 1 byte number of planes |
1 word xres (always a multiple of 16) | 1 word xres (always a multiple of 16) | ||
1 word yres | 1 word yres | ||
| Line 14: | Line 14: | ||
3*n bytes palette, only for bit depths 2, 4, 8 | 3*n bytes palette, only for bit depths 2, 4, 8 | ||
| − | ???? bytes image data | + | ???? bytes image data: |
| − | bit depth 16 is always chunky | + | bit depths 2, 4, 8 |
| + | type = 0, chunky | ||
| + | type = 1, planar | ||
| + | bit depth 16 is always chunky: | ||
type = 0, xRRRRRGGGGGBBBBB | type = 0, xRRRRRGGGGGBBBBB | ||
type = 1, RRRRRGGGGGGBBBBB (Falcon) | type = 1, RRRRRGGGGGGBBBBB (Falcon) | ||
type = 2, GGGBBBBBxRRRRRGG (word swapped) | type = 2, GGGBBBBBxRRRRRGG (word swapped) | ||
| − | bit depth 24 is always chunky | + | bit depth 24 is always chunky: |
type = 0, BGR | type = 0, BGR | ||
type = 1, RGB | type = 1, RGB | ||
| − | bit depth 32 is always chunky | + | bit depth 32 is always chunky: |
type = 0, ARGB | type = 0, ARGB | ||
</pre> | </pre> | ||
Back to [[ST Picture Formats]] | Back to [[ST Picture Formats]] | ||
Revision as of 21:40, 1 February 2017
PixArt *.PIX
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
???? bytes image data:
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
Back to ST Picture Formats
