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Aminet 24 (1998)(GTI - Schatztruhe)[!][Apr 1998].iso
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akLJPG_dt.readme
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Short: AkLJPG-dt V43.155 (LJPG, 68000-060)
Author: Andreas_Kleinert@t-online.de
Uploader: Andreas_Kleinert@t-online.de
Type: util/dtype
Replaces: akLJPG43x.lha
(68000, 020/030, 040 and 060 versions inside)
akLJPG.datatype
- licenseable FREEWARE -
© 1997-98 by Andreas Ralph Kleinert. All rights reserved.
(see also additional copyright notices inside the archive)
A PerSuaSiVe SoftWorX PRODUCT.
Needs Kickstart V3.x
Program information
-------------------
akLJPG.datatype is a new JPEG datatype, which is based on the
Lossless JPEG Codec V1.0 - which is a lossless JPEG format not
directly related to the JFIF JPEG file format.
It supports reading of LJPG graphics files.
LJPG is a freely distributable lossless JPEG image compression package.
There's a port of the encoding program "pnmtoljpg" available on Aminet
as gfx/pbm/pnmtoljpg.lha, which compresses a Portable Pixmap (PPM, PNM-P6)
or Portable Graymap image (PGM, PNM-P5) to a lossles JPEG (LJPG) image
using the JPEG standard (DIS) lossless mode of operation.
This datatype decodes a ljpg image to either 24 Bit RGB or 256 grayscales
depending on the number of color components stored in the LJPG image file.
--------------------------------------------------------------------------
Supported output bitmap formats:
- picture.datatype V39-42:
o (upto) 256 palette colors
o HAM6 or HAM8
- picture.datatype V43 (CyberGraphX or Picasso96) (*)
o 24 Bit RGB
Where upto 256 colors always will be exported unmodified,
and 24 Bit data either is dithered or converted to HAM6/HAM8,
if it can't be or should not be exported unmodified.
(*) the latter one works with OCS/ECS/AGA, too
--------------------------------------------------------------------------
You must use the included preferences program for best configuration.
See program archive for copyright and distribution information.
============================= Archive contents =============================
Original Packed Ratio Date Time Name
-------- ------- ----- --------- -------- -------------
11094 2859 74.2% 22-Jul-97 15:29:28 +akDT_Install
1263 468 62.9% 19-Jun-97 16:29:12 +akDT_Install.info
4924 2635 46.4% 23-May-97 11:26:28 +akT
990 511 48.3% 23-May-97 11:26:28 +akt.txt
36480 18003 50.6% 13-Feb-98 17:36:58 +akLJPG.datatype
36484 18004 50.6% 13-Feb-98 17:37:12 +akLJPG.datatype.030
36476 18011 50.6% 13-Feb-98 17:37:20 +akLJPG.datatype.040
36480 18003 50.6% 13-Feb-98 17:37:30 +akLJPG.datatype.060
88 82 6.8% 25-Mar-97 14:17:42 +LJPG
467 281 39.8% 25-Mar-97 14:17:42 +LJPG.info
27291 10121 62.9% 13-Feb-98 17:36:48 +akLJPG.guide
11386 4263 62.5% 13-Feb-98 17:16:00 +Commercial_1
3434 1036 69.8% 05-Nov-97 09:37:26 +Install
3234 497 84.6% 25-Mar-97 15:48:18 +Install.info
624 238 61.8% 25-Mar-97 15:47:30 +Datatypes.info
11572 5336 53.8% 13-Feb-98 17:37:30 +akLJPGPrefs
4877 1478 69.6% 15-Jan-98 09:38:56 +akLJPGPrefs.info
6424 1654 74.2% 13-Feb-98 17:37:30 +akLJPGPrefs_gui.wizard
624 238 61.8% 25-Mar-97 16:30:22 akLJPG-Datatype.info
-------- ------- ----- --------- --------
234212 103718 55.7% 14-Feb-98 03:04:24 19 files