HP d640 HP D640 High-Volume Printer - Technical Reference Manual, C5630-90030 - Page 32

baseline TIFF, extended TIFF, Table 8, Baseline TIFF Definitions, BitsPerSample, Short, N, CellLength

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Table 8 Baseline TIFF Definitions * BitsPerSample 0102,Short,N Numbers of bits for individual color components. The D640 printer is monochrome. Therefore, N=1, and the value itself must be 1. Default = 1. CellLength The length of the dithering or halftoning matrix used to create a 0109,Short,1 dithered or halftoned bi-level file. The printer does not generate its own halftoning. CellWidth The width of the dithering or halftoning matrix used to create a 0108,Short,1 dithered or halftoned bi-level file. ColorMap A Red-Green-Blue color map for palette color images. 0140,Short,3*2^bps * Compression Compression scheme used for the image data. The following 0103,Short,1 compression modes are supported by the D640 printer: baseline TIFF 1 = No compression. Data packed tightly into bytes, but not spanning row boundaries. This is the default. 2 = CCCIT Group 3, 1-dimensional, modified Huffman runlength encoding. 32773 = PackBits compression. A byte-oriented, run-length encoding scheme. extended TIFF 3 = T4-encoding (Group 3, 2-dimensional). CCITT T.4 bilevel encoding (Geneva: 1988). 4 = T6-encoding (Group 4). CCITT T.6 bi-level encoding (Geneva: 1988). Copyright Copyright notice. 8298,ASCII DateTime Date and time in the following format: YYYY:MM:DD HH:MM:SS 0132,ASCII,20 A null (binary zero) terminates the string. 26 Chapter 3: Working with TIFF Images

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26
Chapter 3: Working with TIFF Images
* BitsPerSample
0102,Short,N
Numbers of bits for individual color components.
The D640 printer is monochrome. Therefore, N=1, and the value
itself must be 1.
Default = 1.
CellLength
0109,Short,1
The length of the dithering or halftoning matrix used to create a
dithered or halftoned bi-level file. The printer does not generate
its own halftoning.
CellWidth
0108,Short,1
The width of the dithering or halftoning matrix used to create a
dithered or halftoned bi-level file.
ColorMap
0140,Short,3*2^bps
A Red-Green-Blue color map for palette color images.
* Compression
0103,Short,1
Compression scheme used for the image data. The following
compression modes are supported by the D640 printer:
baseline TIFF
1 =
No compression. Data packed tightly into bytes, but not
spanning row boundaries. This is the default.
2 =
CCCIT Group 3, 1-dimensional, modified Huffman run-
length encoding.
32773 = PackBits compression. A byte-oriented, run-length
encoding scheme.
extended TIFF
3 =
T4-encoding (Group 3, 2-dimensional). CCITT T.4 bi-
level encoding (Geneva: 1988).
4 =
T6-encoding (Group 4). CCITT T.6 bi-level encoding
(Geneva: 1988).
Copyright
8298,ASCII
Copyright notice.
DateTime
0132,ASCII,20
Date and time in the following format: YYYY:MM:DD HH:MM:SS
A null (binary zero) terminates the string.
Table 8
Baseline TIFF Definitions