HP d640 HP D640 High-Volume Printer - Technical Reference Manual, C5630-90030 - Page 31

TIFF Structure and Fields, Baseline TIFF

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TIFF Structure and Fields This section includes a full list of baseline and extended TIFF fields with comments on their interpretation by the D640 printer. The following conventions are used to describe the TIFF fields. l Fields marked with * are significant for the processing of image data by the printer. l Fields marked with ** have no default value. These fields are mandatory. If any of these fields are missing from the TIFF data, an error occurs. l The first line of the TIFF definition lists the name of the field. The second line provides the tag number in hex, the type of values, and the number values for the field. For example: Name Tag,Type,N l Comments about the field are listed to the right of the field name. Baseline TIFF The following is a list of extended TIFF fields which are accepted by the D640 printer. Table 8 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 Chapter 3: Working with TIFF Images 25

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Chapter 3: Working with TIFF Images
25
TIFF Structure and Fields
This section includes a full list of baseline and extended TIFF fields
with comments on their interpretation by the D640 printer.
The following conventions are used to describe the TIFF fields.
l
Fields marked with * are significant for the processing of image
data by the printer.
l
Fields marked with ** have no default value. These fields are
mandatory. If any of these fields are missing from the TIFF data,
an error occurs.
l
The first line of the TIFF definition lists the name of the field. The
second line provides the tag number in hex, the type of values,
and the number values for the field. For example:
Name
Tag,Type,N
l
Comments about the field are listed to the right of the field name.
Baseline TIFF
The following is a list of extended TIFF fields which are accepted by
the D640 printer.
Table 8
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.