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Requires minimum:
* OS 3.0
* MC68020
Additionally recommended:
* CyberGraphX with picture.datatype V43 for 24-bit images.
* MUI 3.8 for the preferences.
If you run OS 3.5 or OS 3.9, it is recommended to install the JPEG-DT35 archive
!!
With the help of the jpeg.datatype, your datatype sytem is able to read JPEG
images.
This datatype is freeware and can be used for any purpose !
##### Why another datatype for JPEG images ? #####
Well there are many of them available on the Aminet, but this has two unbeatable
advantages !!
1. It is very short, only about 8 kB !! Why ? Because it does not contain the
JPEG
de/encoder and color quantizer in the datatype itself.
The datatype uses the jpeg.library from Paul Huxham for the JPEG de/encoding and
the
render.library by Tim Müller for color reduction. The jpeg.library has been
developed
from the latest JPEG V6b release, so it is up-to-date.
2. It can write JPEG files when using the DTMW_RAW flag in the DTM_WRITE method
!!
The V45 of datatypes by Roland Mainz is supported, so you can convert any
datatype
picture to JPEG.
#### Note ####
If you have another jpeg.datatype (with THIS name) installed on your Amiga with
a
version number higher than 43.0, the installer will not be able to replace it.
In this case, you must copy the jpeg.datatype manually to your
SYS:Classes/DataTypes
directory.
Changes since V43.6:
* Fixed a bug in the installer script. Wrong CPU version of render.library was
copied.
Changes since V43.5:
* Cleaned up ramlib-stuff (thx to Oliver Roberts).
jpeg.library (WarpOS version) works again with datatype, no crash with IPrefs
:)
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Contents of util/dtype/JPEG-DT.lha PERMSSN UID GID PACKED SIZE RATIO CRC STAMP NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic] 2480 3435 72.2% -lh5- 50f0 Aug 25 2001 JPEG-DT.info
[generic] 5677 11396 49.8% -lh5- 7ae1 Aug 25 2001 JPEG-DT/Classes/DataTypes/jpeg.datatype
[generic] 82 98 83.7% -lh5- 4f59 Aug 25 2001 JPEG-DT/Devs/DataTypes/JPEG
[generic] 12 12 100.0% -lh0- 67b3 Aug 25 2001 JPEG-DT/Env/DataTypes/jpeg.prefs
[generic] 544 2252 24.2% -lh5- d951 Mar 28 2002 JPEG-DT/Install
[generic] 2885 4232 68.2% -lh5- 8675 Aug 25 2001 JPEG-DT/Install.info
[generic] 1921 3974 48.3% -lh5- aa12 Aug 25 2001 JPEG-DT/JPEG-DT.doc
[generic] 1924 3576 53.8% -lh5- c8cb Aug 25 2001 JPEG-DT/JPEG-DT.doc.info
[generic] 972 1802 53.9% -lh5- f806 Mar 28 2002 JPEG-DT/JPEG-DT.readme
[generic] 1385 2221 62.4% -lh5- 6a6e Aug 25 2001 JPEG-DT/JPEG-DT.readme.info
[generic] 45414 79480 57.1% -lh5- 2259 Aug 25 2001 JPEG-DT/Libs/jpeg.library_020881
[generic] 48582 85780 56.6% -lh5- 105b Aug 25 2001 JPEG-DT/Libs/jpeg.library_020std
[generic] 44782 78108 57.3% -lh5- 2f22 Aug 25 2001 JPEG-DT/Libs/jpeg.library_040881
[generic] 47741 84156 56.7% -lh5- 3b90 Aug 25 2001 JPEG-DT/Libs/jpeg.library_040std
[generic] 44712 77808 57.5% -lh5- e3ec Aug 25 2001 JPEG-DT/Libs/jpeg.library_060881
[generic] 47841 84104 56.9% -lh5- 9eab Aug 25 2001 JPEG-DT/Libs/jpeg.library_060std
[generic] 52071 119160 43.7% -lh5- 341e Aug 25 2001 JPEG-DT/Libs/jpeg.library_wos
[generic] 23487 52452 44.8% -lh5- 6413 Aug 25 2001 JPEG-DT/Libs/render.library
[generic] 23390 52244 44.8% -lh5- fdc8 Aug 25 2001 JPEG-DT/Libs/render.library_68040
[generic] 23362 52436 44.6% -lh5- 8419 Aug 25 2001 JPEG-DT/Libs/render.library_68060
[generic] 6048 8741 69.2% -lh5- 63c3 Aug 25 2001 JPEG-DT/Prefs.info
[generic] 4878 10024 48.7% -lh5- c406 Aug 25 2001 JPEG-DT/Prefs/JPEGPrefs
[generic] 2924 3902 74.9% -lh5- 728e Aug 25 2001 JPEG-DT/Prefs/JPEGPrefs.info
[generic] 77 87 88.5% -lh5- 5c92 Aug 25 2001 JPEG-DT/Source/class.h
[generic] 3680 12228 30.1% -lh5- 3b62 Aug 25 2001 JPEG-DT/Source/dispatcher.c
[generic] 67 67 100.0% -lh0- 956f Aug 25 2001 JPEG-DT/Source/jpeg.fd
[generic] 635 1969 32.2% -lh5- e9ff Aug 25 2001 JPEG-DT/Source/jpeg.¶
[generic] 2120 7683 27.6% -lh5- e63c Aug 25 2001 JPEG-DT/Source/jpegprefs.c
[generic] 483 1278 37.8% -lh5- 7eef Aug 25 2001 JPEG-DT/Source/jpegprefs.¶
[generic] 207 281 73.7% -lh5- e9f7 Aug 25 2001 JPEG-DT/Source/jpeg_lib.h
[generic] 808 2370 34.1% -lh5- 12dd Aug 25 2001 JPEG-DT/Source/libbase.c
[generic] 1194 3101 38.5% -lh5- 5484 Aug 25 2001 JPEG-DT/Source/savejpeg.c
---------- ----------- ------- ------- ------ ---------- ------------ -------------
Total 32 files 442385 850457 52.0% Mar 31 2002
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