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README.PCD
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1992-09-30
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README-file for Photo-CD software
Version 1.4
(c) 1993 by Holger Hinze
PCD.EXE is a simple program for showing your Photo-CD pictures in OS/2
fullscreen sessions.
The following configuration is needed for running it:
CD-ROM drive
Vesa-fullscreendriver VESA.DLL (see note below)
emx-DLLs EMX.DLL and EMXIO.DLL (version 0.8f is included in this package)
OS/2 2.x
VESA.DLL:
========
If you have a ET4000 or Trident 8900 based graphics adapter, you can use one of the
included files VESA_ET4.DLL or VESA_TR8.DLL and rename it to VESA.DLL. These
DLLs support only 256 colormodes.
For ET4000 hicolor cards or other cards look for the file VESA14.ZIP.
It contains a ET4000 hicolordriver and information how to generate drivers
for other cards.
You should move VESA.DLL, EMX.DLL and EMXIO.DLL to a directory mentioned
somewhere in your LIBPATH.
Before starting the program you can set the following environment-
variables for running it correctly:
PCDPATH You can specify the path to search for your pictures.
e.g. SET PCDPATH=F:\PHOTO_CD\IMAGES\ (must end with '\')
PCDRGBVIO Specifies the Vesamode for 256-color and grayscalepictures.
You can use any 256 colormode.
e.g. SET PCDRGBVIO=19 in decimal
SET PCDRGBVIO=0x13 in hex
possible modes are:
0x013 320x200
0x101 640x480
0x103 800x600
0x105 1024x768
default mode (if PCDRGBVIO is not defined) is 0x103.
PCDHIVIO Specifies the Vesamode for hicolorpictures.
You can use any 32k Hicolormode.
e.g. SET PCDHIVIO=272 in decimal
SET PCDHIVIO=0x110 in hex
possible modes are:
0x10d 320x200
0x110 640x480
0x113 800x600
0x116 1024x768
default mode (if PCDHIVIO is not defined) is 0x113.
The simplest way to run PCD.EXE is starting it without any parameter.
The program will then ask you for the following parameters:
- number of the first picture to show. The number of picture is extended
by the program to the filename IMGxxxx.PCD, where xxxx is the
number of the picture.
- resolution of the picture. Only the 3 lower resolutions available
on Photo-CD are possible: 768x512, 384x256, 192x128 pixel.
- which mode to show the pictures. You can show it either in 256 color,
in 32768 color, as grayscale or extract one of the 3 basic colors red, green or blue.
You can add one or more of the following parameters. In this case it
doesn't ask you for the missing parameters and uses defaultvalues instead of.
HICOL use hicolormode
BW show as grayscale
(RGB is default)
HIRES show with resolution 768x512 (default)
MEDRES show with resolution 384x256
LORES show with resolution 192x128
n Number of the first picture to show (default is 1)
filename Filename of a picture to show
(in this case PCDPATH is not added to the filename)
After loading the first picture the program will show you the picturenumber
in the right bottom corner of the screen. (only in graphicmodes with at least
800x600 pixel)
You can change to the next/previous picture by using the keys -> and <-.
You also can change to an other picture by typing the number directly
(up to 3 decimals). In this case the keys you have pressed are shown
left to the picturenumber. These numbers are shown in green, if the picture
can be loaded, and in red, if there are problems (picture doesn't exist).
To exit the program press the <esc>-key.
License:
========
You are allowed to copy this program.
PCD.EXE was written and is Copyright (c) 1993 by
Holger Hinze
Fliederwg 7
D-64839 Muenster
Germany
internet: hinzemue@rbg.informatik.th-darmstadt.de