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1995-12-24
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DTVIEW 23.12.95 1.3
DTview - A simple DataType graphic viewer
Copyright_____________________________________________________________________
Joerg Richter
Beim Kloster Dohren 33
21614 Buxtehude
Joerg.Richter@informatik.uni-oldenburg.de
DTview is public domain. Commercial usage only with written permission.
About_________________________________________________________________________
Why another graphic viewer ? The programs I know (e.g. Mostra, VT, etc.) do
not work with graphic cards. The special programs like VT_EGS do not work
satisfactory for me. So DTview was born.
Installation__________________________________________________________________
DTview requires OS3.0 or later. No other libraries are needed. Copy DTview
whereever you like.
Syntax________________________________________________________________________
As I am a shell user, DTview has only few ToolTypes but command options.
Normally DTview trys to open a screen like the Workbench. There are _no_ error
messages. So if the file or the display cannot be opened simply the nothing
happens.
Usage: DTview {[<options>] <picture>}
options: "ID" uses the with the picture saved display mode
"WINDOW" displays the picture in a window on the workbench
"SCREENMODE <displayID>" forces the given display mode
"COM <command string>" executes the given command when RETURN is
pressed while displaying the picture. This is
useful e.g. for deleting ugly pictures.
A "%s" in the command string is replaced with
the path and name of the picture.
"SAVE" saves the picture in ILBM format with the extension ".iff" in
the same directory under the same name !
The picture is not displayed.
"SAVEAS <path and name>" saves the picture in ILBM format in the
given path under the given name.
Examples: DTview DH0:Pictures/IntelOutside.iff
...shows the picture with the display mode of the active screen
DTview DH0:Pictures/IntelOutside.iff DH0:Graphic/pics/test.gif
...shows the pictures with the display mode of the active screen
DTview ID DH0:Pictures/IntelOutside.iff
...shows the picture with its saved display mode
DTview DH0:Pictures/IntelOutside.iff ID DH0:Graphic/pics/test.gif
...shows the first with the same display mode as the active screen
and the second picture with its saved display mode
DTview SCREENMODE 67112961 DH0:Pictures/IntelOutside.iff
...shows the picture with the given display mode
DTview SAVE DH0:Clipart/Animal.pcx
...only saves the picture as "DH0:Clipart/Animal.iff"
DTview SAVEAS "DH0:Clips/new/Animal.iff" DH0:Clipart/Animal.pcx
...only saves the picture as "DH0:Clips/new/Animal.iff"
DTview COM "C:Delete %s" DH0:Pictures/IntelOutside.iff
...shows the pictures and deletes it when RETURN is pressed
If you run DTview without any parameters or simple double click on its icon,
a file requester opens, where can select multiple files to view.
The following tooltypes are possible:
PICTUREID same as ID from shell
SCREENTOBACK puts the screen to back before closing
Keys__________________________________________________________________________
While displaying a picture the following keys are available:
ESC terminates
RETURN executes the command string
s opens a requester for the file name to save the picture
w saves the picture with the extension ".iff"
Notes_________________________________________________________________________
The program was tested on an A3000, Piccolo graphic card and with the ILBM,
GIF, JPEG, JFIF, PCX and BMP datatype.