Oracle8 Visual Information Retrieval Cartridge User's Guide
Release 1.0.1

A55255-02

Library

Product

Contents

Index

Prev Next

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

 




Prev

Next
Oracle
Copyright © 1997 Oracle Corporation.

All Rights Reserved.

Library

Product

Contents

Index