rleapp - RLE Sample Application. Multimedia Systems Group

     (C) Copyright Microsoft Corp. 1991, 1992.  All rights reserved.

     You have a royalty-free right to use, modify, reproduce and 
     distribute the Sample Files (and/or any modified version) in 
     any way you find useful, provided that you agree that 
     Microsoft has no warranty obligations or liability for any 
     Sample Application Files which are modified. 
	 
     If you did not get this from Microsoft Sources, then it may not be the
     most current version.  This sample code in particular will be updated
     and include more documentation.  

     Sources are:
     	The MM Sys BBS: The phone number is 206 936-4082.
	CompuServe: WINSDK forum, MDK section.

Version 1.2     Released 02/28/92

this sample ONLY works on the following:

    a 386 or better
    Windows 3.1 (or Windows 3.0 + MME 1.0 + COMMDLG)

File           |Description
---------------|--------------------------------------------------------------
df.asm		RLE routines including delta-frame.  Very usefull.
		This file is the heart of this sample code.
df.h		Include file for df.asm
dib.c		General DIB handling routines.  WARNING: there are
		many different versions of this file contained
		in the sample code.
dib.h		Include file for dib.c
gmem.h		Protect mode global memory optimizations
makefile	The infamous makefile
mem.asm		General memory routines
rle.c		RLE and Delta-frame interfaces and general routines
rle.h		Include file for rle.c
rlea.asm	386 version of some routines in rle.c
rleapp.c	The main functions/ where the app lives
rleapp.def	Our app's DEF
rleapp.dlg	Our app's dialogs
rleapp.h	Our app's main include file
rleapp.ico	Our app's icon
rleapp.rc	Our app's resource file
rledlg.c	Dialog handling routines
rledlg.h	Include for rledlg.c
rlefile.c	Animation file I/O

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Notes about this sample

This sample app is called rle.exe even though the ZIP file is RLEAPP.ZIP.

The application can be used to load, generate, play and save animations
using the DIB RLE format for delta-frames.

The RLE format is described in the Windows 3.0 SDK docs in the section
on the BITMAPINFOHEADER structure.  It is described in the Multimedia
SDK (MDK) in the Programmer's Reference in the section entitled 
"Windows 3.0 Bitmap Compression Formats".

This app only handles 8bpp DIBS, even though the same technology
applies to 4bpp DIBs (RLE, delta-frame, etc).

Sample animations can be obtained from the MM System's BBS at 206 936-4082
in the VIDEOS library, or look where you obtained this sample.

This sample code includes many optimizations for 386-specific machines.
This is a very usefull way to increase speed because the MPC spec
calls for a 386 as a minimum, so in most cases, the 286 support
can be left out.

This program is very dependant on blit speed of the video card and driver.
In most cases, the video driver is very ssslllooowww doing blits.
Complain to your card manufacturer if you think it should be faster.
You should be able to blit 160x120 256 color frames (with the same
palette) at at least 15 frames/second.  Bad drivers/card will be
able to do about 1 frame/second.



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I am planning on releasing an AutodeskR file converter to RLE and RL0
format converter soon.  The capability to read these files will
be built in to future versions of this sample code.

If you have any comments/questions/requests about this sample, you
can reach me at the BBS, or by FAX at 206 93MSFAX.


Please let me know if this sample code is usefull to you.

Matt Saettler
76150,2523