A
File and Compression Formats

Supported File and Compression Formats

The following tables describe the file and compression formats supported by Visual Information Retrieval Cartridge.

To use these tables, find the data format you are interested in, and then determine the supported formats. For example, Table A-1 shows that Visual Information Retrieval Cartridge supports BMP format in monochrome, for read and write access, and in 32-bit RGB for read access.

Table A-1 BMP Data Fomat

Format Pixel Format Support

BMP

File Format: `BMPF'
File Ext: .bmp

Monochrome
4-bit LUT
8-bit LUT
16-bit RGB
24-bit RGB
32-bit RGB

Read/Write
Read
Read/Write
Read
Read/Write
Read

Compression Format Support

Choose one of these compression formats:

uncompressed
BMPRLE (for 8-bit LUT)

Read/Write
Read/Write

Data Description Support

Choose one or more of these content formats:

Inverse DIB
OS/2 format

Read
Read

Byte Order Support

NA

NA

Table A-2 CALS Raster Data Format

Format Pixel Format Support

CALS Raster

File Format: `CALS'
File Ext: .cal

Monochrome

Read/Write

Compression Format Support

FAX4 (CCITT G4)

Read/Write

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-3 GIF Data Format

Format Pixel Format Support

GIF

File Format: `GIFF'
File Ext: .gif

Monochrome
8-bit LUT

Read
Read/Write

Compression Format Support

GIFLZW (LZW)

Read/Write

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-4 JFIF Data Format

Format Pixel Format Support

JFIF

File Format: `JFIF'
File Ext: .jpg

8-bit grayscale
24-bit RGB

Read/Write
Read/Write

Compression Support

JPEG

Read/Write

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-5 PCX Data Format

Format Pixel Format Support

PCX v 5

File Format: `PCXF'
File Ext: .pcx

Monochrome
2-bit LUT
4-bit LUT
8-bit LUT
1-bit RGB
2-bit RGB
4-bit RGB
8-bit RGB
24-bit RGB

Read
Read
Read
Read
Read
Read
Read
Read
Read

Compression Format Support

RLE

Read

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-6 PICT Data Format

Format Pixel Format Support

PICT v. 1 & 2

File Format: `PICT'
File Ext: .pct

Monochrome
2-bit LUT
4-bit LUT
8-bit LUT
16-bit RGB
24-bit RGB

Read/Write
Read
Read
Read/Write
Read
Read/Write

Compression Format Support

Choose one of these compression formats:

Packbits
JPEG (8-bit gray & RGB)

Read/Write
Read/Write

Data Description Support

Choose one or more of these content formats:

vector/object graphics

Not supported

Byte Order Support

NA

NA

Table A-7 Sun Raster Data Format

Format Pixel Format Support

Sun Raster

File Format: `RASF'
File Ext: .ras

Monochrome
8-bit grayscale
8-bit LUT
24-bit RGB

Read/Write
Read/Write
Read/Write
Read/Write

Compression Format Support

Choose one of these compression formats:

(uncompressed)
SUNRLE (RLE)

Read/Write
Read/Write

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-8 Targa Data Format

Format Pixel Format Support

Targa

File Format:`TGAF'
File Ext: .tga

8-bit grayscale
8-bit LUT
16-bit RGB
24-bit RGB
32-bit RGB

Read/Write
Read/Write
Read
Read/Write
Read

Compression Format Support

Choose one of these compression formats:

(uncompressed)
TARGARLE (RLE)

Read/Write
Read/Write

Data Description Support

NA

NA

Byte Order Support

NA

NA

Table A-9 TIFF Data Format

Format Pixel Format Support

TIFF v.4/5/6

File Format: `TIFF'
File Ext: .tif

Monochrome
8-bit grayscale
4 bit LUT
8-bit LUT
24-bit RGB

Read/Write
Read/Write
Read
Read/Write
Read/Write

Compression Format Support

Choose one of these compression formats:

(uncompressed)
Packbits
Huffman
FAX3 (CCITT G3)
FAX4 (CCITT G4)
LZW
LZWHDIFF
JPEG (8-bit gray & RGB)

Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write
Read/Write

Data Description Support

Choose one or more of these content formats:

Planar data
Tiled data
Photometric interpretation
MSB / LSB

Not supported
Not supported
Read/Write
Read/Write

Byte Order Support

Choose one of these orders:

Intel byte order
Motorola byte order

Read
Read/Write

Format	Pixel Format	Support
BMP File Format: `BMPF' File Ext: .bmp	Monochrome 4-bit LUT 8-bit LUT 16-bit RGB 24-bit RGB 32-bit RGB	Read/Write Read Read/Write Read Read/Write Read
	Compression Format	Support
Choose one of these compression formats:	uncompressed BMPRLE (for 8-bit LUT)	Read/Write Read/Write
	Data Description	Support
Choose one or more of these content formats:	Inverse DIB OS/2 format	Read Read
	Byte Order	Support
	NA	NA

Format	Pixel Format	Support
CALS Raster File Format: `CALS' File Ext: .cal	Monochrome	Read/Write
	Compression Format	Support
	FAX4 (CCITT G4)	Read/Write
	Data Description	Support
	NA	NA
	Byte Order	Support
	NA	NA

A File and Compression Formats

A
File and Compression Formats