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Amiga Plus 1996 #5
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makeanim.docs
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1991-04-08
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Here's an update to the ANIM standard compressor which now supports
DCTV resolution images and ANIMs with varying colormaps.
This is a freely distributable version, which does not support
all the features in the commercial version soon to be available
(in The Director Toolkit version 2) such as single buffered ANIMs
and OP 5 XOR reversible ANIMs. This version does not run from
the Workbench.
This ANIM file compressor can take a series of IFF files and
combine them into a single animation file that can be played
back with ShowANIM, as well as the Director and DPaintIII
(provided it suits DPaint's choice of resolutions). To create a
compressed ANIM file, construct a text file with a list of file
names of frames to be assembled, one per line:
pictures/frame01
pictures/frame02
pictures/frame03
pictures/frame04
pictures/frame05
pictures/frame01
pictures/frame02
Files can reside on different disks, just enter the entire path
name (including disk name). A requester will pop up when it's time
to put in the appropriate disk.
If you want to create an endless loop, make sure the first two
frames are repeated at the end of the file as in the example above.
Once the list file is created (let's call it FLIST) you then
issue the command:
MakeANIM FLIST test.anim
This will read the frames in one by one and create the ANIM file
with the name "test.anim". This file can then be played back with
the abovementioned player programs, and many others.
The program should work in any resolution including HAM, but don't
try to mix resolutions. DCTV resolution images are now supported.
This version now handles palette changing on the fly. Colormaps
are only included when changes in the map are encountered. This
version cannot force colormaps to be included on every frame.
This program has been successfully used to construct standard format
ANIM files from Animate3D frames, as well as individual files created
by paint programs.
How much memory do you need? Good question. The program will
create 4 buffers the size of the IFF image during compression.
Only one buffer is required to be in CHIP memory. Lo-res shouldn't
be any trouble for anybody, but I don't know exactly where the dividing
lines are otherwise.
Keith Doyle
Right Answers, Inc.
4/8/91