HP d640 HP D640 High-Volume Printer - Enhanced Features Manual, C5620-90027 - Page 39

Baseline TIFF

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Baseline TIFF The following is a list of extended TIFF fields which are accepted by the D640 printer. Baseline TIFF definitions Structure Image File Header Bytes 0-1 in the file can be either $4949 indicating little-endian data format (Intel standard) or $4D4D indicating big-endian data format (Motorola standard). Multiple IFDs The D640 printer can read multiple IFDs and process multiple images. Each image is printed on a separate page. Baseline fields Artist Person who created the image. 013B,ASCII * 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 Chapter 3: Technical Reference 35

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Chapter 3: Technical Reference
35
Baseline TIFF
The following is a list of extended TIFF fields which are accepted by
the D640 printer.
Baseline TIFF definitions
Structure
Image File Header
Bytes 0-1 in the file can be either $4949 indicating little-endian
data format (Intel standard) or $4D4D indicating big-endian data
format (Motorola standard).
Multiple IFDs
The D640 printer can read multiple IFDs and process multiple
images. Each image is printed on a separate page.
Baseline fields
Artist
013B,ASCII
Person who created the image.
* 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.