Dec 132017
 
Text explaining graphics file extensions.
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Text explaining graphics file extensions.
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File GR_EXT.DOC, from OKF215.ZIP
Author: Keith P. Graham
PC-Rockland BBS free node 914-353-2538


The following is a partial list of the many graphics formats
that are available. I started the list, H. F. Van Brink added
to it and I added a few more. Keith P. Graham

File types are: R=Raster, V=Vector, L=Language, B=LiBrary

File Optiks File Description/
Extension Support Type Software Source
========= ======= ==== ==================
.ART Yes R PFS First Publisher Clip Art
.ART No ? Ashton-Tate Byline Clipart
.BAS Yes R Basic Bload/Bsave (also basic programs)
.BSG Yes R FONTASY (same as .RAW)
.CA Read RB NewsRoom Pro
.CGM No V Computer Graphics Metafile
.CUT Yes R Dr. Halo, Cut files
.DAT Read RB PrintShop
.DCX Read RB Panasonic Fax PCX libraries.
.DD No R CBM Doodle
.DHP No ? Dr. Halo
.DRW No V Freelance
.DRW No V MicroGrafx
.DRW No V NBI Legend
.DXF No V AutoCad
.EPS Some VRL Encapsulated Post Script
.EV No ? NCN Execuvision
.FG No ? Slidewrite Plus
.GAL No ? HP Gallery on Exhibit, Graphics Gallery
.GEM No V GEM Draw
.GMF No V Computer Graphics Metafile - Various Venders
.GIF Some R Compuserve Graphics Interchange format
.GX1 No R PC PaintBrush
.HPC(L) Some RV Hewlett Packard's LaserJet Graphics
.HPG(L) No V Hewlett Packard Graphics Language
.IFF Yes R Amiga Interchange Format File (graphics)
.IMG Yes R DataCopy Wips
.IMG Yes R GEM Paint
.IMG Yes R IBM Image support Facility
.IMG No ? Boeing Graph
.MAC Yes R Apple Macintosh Macpaint
.MAK Yes R Apple Macintosh Macpaint, No Header
.MSP Yes R Microsoft Windows Paint
.P No ? Ashton Tate Draw Applause
.PCR Yes R OPTIKS/PCRGB
.PCX .PCC Yes R Zsoft PC Paintbrush
.PDA Yes R Palantir Scanner Graphics Files
.PGA No R IBM Professional Graphics Adaptor image file
.PI1 .PI2 Yes R Atari Degas uncompressed images
.PIC Some V Lotus
.PIC v1.5 R Mouse systems PC Paint
.PIG Yes R Ricoh Pixel Image Generator file
.PRN Some VLR Post Script, Any print image file
.RAS Yes R Show file Ras format
.RAW Yes R Basic Array format (OPTIKS reference only)
.RLE Yes R Compuserve, Teletext Run Length Encoded
.SLD Some V AutoCad Slide
.SFL Yes R Soft Font Single Letter
.SFP Yes R HP Soft Font
.SHP Read RB Printmaster, Newsmaster
.TIF Yes R Aldus/Microsoft Tag Image Format Files (TIFF)
.WPG No RV Word Perfect Graphics 5.0

OPTIKS can either read or write the files Listed as YES, Optiks
makes a good attempt at reading the files marked as SOME. Some
files marked YES can only be written or read. Library type files
and Vector graphics files are not supported by OPTIKS and will
probably never be supported. The exceptions are Lotus PIC, AutoCad
SLD and a very few EPS files. Combination of Raster and Vector
May be supported but for write only and then only Raster.

FILE MENU TREE

The following is a summary of the OPTIKS menu tree as it pertains
to files. This will help you to determine what files OPTIKS can
read and write.

ROOT menu:

FILE ENVIRN PRINT IMAGE DRAW TYPE SCAN QUIT

FILE: Load, save, merge, and list files
ENVIRN: OPTIKS Environment and optional features
PRINT: Print a Picture to a Disk file or a Printer
IMAGE: Alter Picture shape, size and other attributes
DRAW: Draw lines and boxes.
TYPE: Type to screen using OPTIKS fonts.
SCAN: Read/write image data from scanners.
QUIT: Leave Optiks.

The FILE menu items are:

READ SAVE MERGE LIST INFO CHECK

READ: Load a file from disk into the workspace
MERGE: Combine a file from disk with the current picture
SAVE: Write picture information to disk
LIST: List the files on the current directory
INFO: Lists Width and height and maybe other information
CHECK: Check For Recognizeable file header



OPTIKS can RETREIVE or MERGE the following types of files:

PCR: PC Rockland ultra-squished data format
TEXT: ASCII text files with OPTIKS escape sequences
LANG: these are interpreted vector files which are:
LOTUS: Lotus PIC files (Without text, color or fill)
POST: Post Script files (Scanner Graphics)
SLD: Autocad Slide files. (Fill not supported)
BLOAD: Bload/Bsave files from basic supporting the following
CGA: CGA B800 16K interlaced screens
EGA: EGA A000 32K 640*350 single plane screens
AT&T: AT&T B800 640*400 interlace 4 screens
HERC: Hercules B000 720*348 interlace 4 screens
640x400: VGA and similar modes 32k at A000
480: Enahanced EGA 640*480 modes - A000
720: 720 wide modes at A up to 48k
FONTS: Load PCR Fonts
APPLE: Apple MacIntosh MacPaint format (READMACS)
Reads MacPaint with or without Macbinary Headers.
PCB: PC Paintbrush (PCC or PCX files from Zsoft)
IMG: EFS Image files raw data format.(These are not GEM)
WIPS: Datacopy Corp. uncompressed WIPS Files
RLE: RLE Run Length Encoded Files from Compuserve
CUT: Dr. Halo II & III CUT files
FONTASY: FONTASY load block or BASIC PUT/GET files
SFP: Type to screen with HP Soft font
LJET: Printer output files for HP LaserJet
MSP: Microsoft Paint
PIG: Ricoh IS30 Pixel Image Generation files
RAS: Show file RAS format
TIFF: Aldus - Microsoft TIFF files. Reads Uncompressed,
Packbits compress, and CCITT group III 1-d. 2 color
only, does not handle gray scale - yet.
GEM: GEM Paint files (.IMG files, not GEM draw).
ISF: IBM Image Support Facility 2 v1.00
DEGAS: DEGAS Atari ST files
ART: PFS First Publisher .ART files
FAX: CCITT type 'C' files. Coming soon.
1.0PIC: PC PAINT version 1.0
PDA: PALANTIR PDA Uncompressed
IFF: ATARI IFF Graphics files
GIF: Compuserve Graphics Interchange Format 2,4 and 16 color.
TRY: Best Guess: MicroSoft Paint, GEM, Zsoft PCX, GIF, TIF or MacPaint
DCX: Panasonic FAX PCX libraries.
SHOP: PrintShop libraries.
NEWS: Newsmaster Libraries
CA: Newsroom Pro


OPTIKS can SAVE in the following formats:

PCR APPLE BRUSH MSP EPSF LOAD IMG

PCR: PC Rockland ultra-squished data format
APPLE: Apple MacIntosh MacPaint format (READMACS)
Saves with or without Macbinary Header.
PCB: PC Paintbrush (PCC or PCX files from Zsoft)
EPSF Post Script files (Scanner Graphics)
MSP: Microsoft Paint
BLOAD: Bload/Bsave files from basic supporting the following
CGA: CGA B800 16K interlaced screens
EGA: EGA A000 32K 640*350 single plane screens
AT&T: AT&T B800 640*400 interlace 4 screens
HERC: Hercules B000 720*348 interlace 4 screens
640x400: VGA and similar modes 32k at A000
480: Enahanced EGA 640*480 modes - A000
720: 720 wide modes at A up to 48k
IMG: EFS Image files (raw data format)
WIPS: Datacopy Corp. uncompressed WIPS Files
CUT: Dr. Halo II CUT files
TIFF: Aldus - Microsoft TIFF files, Saves uncompressed or
Packbits.
GEM: GEM Paint file
RAS: Show file RAS format
FONTASY: FONTASY load block or BASIC PUT/GET files
PIG: Ricoh IS30 Pixel Image Generation files
GEM: GEM Paint file
TIFF: Aldus - Microsoft TIFF files
ISF: IBM Image Support Facility 2 v1.00
ART: PFS First Publisher .ART files
HP-SOFT: Write HP soft font letter. Use OKHL to create a font
1.0PIC: PC PAINT version 1.0
PDA: PALANTIR PDA Uncompressed
IFF: ATARI IFF Graphics files


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