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dnp_ds40: Document known stuff inthe Windows spool file format.

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This commit is contained in:
Solomon Peachy 2013-12-03 23:07:19 -05:00
parent ad6d71afa0
commit 555aa9840f
1 changed files with 63 additions and 0 deletions
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63
backend_dnpds40.c
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@ -483,3 +483,66 @@ struct dyesub_backend dnpds40_backend = {
{ 0, 0, 0, ""}
}
};
/* DNP DS40 Windows Driver printer spool format:
NOTE: This backend (and gutenprint) do *NOT* use this format.
UNKNOWN variables/offsets:
- 300 vs 600dpi selection
- number of copies
- lamination type
- media type
4x6, 300dpi, 1 copy, 0 sharpen, glossy
Page header:
01 00 01 00 <- page setup?
28 58 24 00 <- Total plane len == 40 + x*y + 1024 (2381864)
00 00 00 00 <- ??
Plane header (ie one for each plane)
28 00 00 00
80 07 00 00 <- X res (1920) ( = 6.4" @ 300dpi)
d8 04 00 00 <- Y res (1240) ( = 4.13" @ 300dpi)
01 00 08 00
00 00 00 00
00 00 00 00
20 2e 00 00 <- 11808 = ??
20 2e 00 00 <- 11808
00 01 00 00
00 00 00 00
[ folowed by 256 entries of color mapping starting with 0xff -> ff ff ff 00 ]
[ followed by x*y bytes of plane data ]
5x7, "600x600dpi", 2 copies, 0 sharpen, matte
Page header:
02 02 02 00 <- page setup ??
28 4a 7d 00 <- Total plane len == 40 + x*y + 1024
02 00 00 00 <- ??
Plane header (ie one for each plane)
28 00 00 00
80 07 00 00 <- X res (1920) ( = 6.4" @ 300dpi)
b4 10 00 00 <- Y res (4276) ( =~ 7.13" @ 600 dpi )
01 00 08 00
00 00 00 00
00 00 00 00
40 5c 00 00 <- 23615 = ?
40 5c 00 00 <- 23615
00 01 00 00
00 00 00 00
[ folowed by 256 entries of color mapping starting with 0xff -> ff ff ff 00 ]
[ followed by x*y bytes of plane data ]
*/