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gfx/show/h8jpg.lha

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Short:High-Quality-HAM8 JPEG image viewer
Author:Smack/Infect! (Michael Henke)
Type:gfx/show
Architecture:m68k-amigaos
Date:1999-05-19
Download:http://aminet.net/gfx/show/h8jpg.lha - View contents
Readme:http://aminet.net/gfx/show/h8jpg.readme
Downloads:802

 #features
   -high-quality display for AGA machines (18bit-RGB)
   -lean code, external JPEG handling routines (jpeg.library)
   -full source code included


 #requirements
   -AGA chipset
   -CPU 68020+
   -AmigaOS V39+
   -jpeg.library V5+ (Aminet:util/libs/jpeglibrary50.lha)

   -tested on: A1200 (68030+882  at  40MHz, 16MB Fast)


 #recommended
   -reqtools.library V38+
   -FastRAM
   -some JPEG images :)


;
;
;---------------------------------
;
; h8jpg
; code by Smack/Infect!
; Tue 18-May-99
;
;---------------------------------
;
;


 #introduction
   Yes, this is yet another image viewer.
   No, it was not written to compete with or even to replace your
   favourite image viewer (I'm frequently using Visage). It's simply
   a little tool that I wanted to have, so I sat down and coded it.


 #how to use it
   h8jpg is a shell-only program. The argument template is:
   FILES/M          one or more filenames
                    (if omitted a reqtools file requester appears)
   FITSCREEN/S      scale images down so that they fit the screen
                    (they can be up to 50% wider and/or higher)

   While displaying images h8jpg recognizes these inputs:
   Space/LMB        next image
   Esc/RMB          exit


 #technical stuff
   This is where we get to the drawbacks of the HAM8-RGBB technique:

   -enormous chip memory consumption
    (h8jpg first tries to display the images in their original sizes,
    if there should be not enough chip memory available then they
    will be scaled down)

   -low screen resolution
    (h8jpg uses screen mode $8820, that is "Super-High Res HAM" of the
    system default monitor driver - PAL or NTSC. the images will look
    like "Low Res" because each image pixel is made of 4 screen pixels)


 #author
   email: smack at smack.de

   h8jpg is Copyright (c) 1999 by Michael Henke.
   It is released as FREEWARE, which means it may be distributed and used
   for free, but no profit may be made with it (neither by selling the
   program nor by using it for commercial purposes). The program and the
   information within this text are provided 'AS-IS'. The entire risk as
   to its quality and performance is with the user. In no event will the
   author be liable for direct, indirect, incidental or consequential
   damages resulting from any defect in the program.


Contents of gfx/show/h8jpg.lha
 PERMSSN    UID  GID    PACKED    SIZE  RATIO     CRC       STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                 2068    3892  53.1% -lh5- d426 May 18  1999 h8jpg/h8jpg
[generic]                 1291    2439  52.9% -lh5- e0ff May 18  1999 h8jpg/h8jpg.readme
[generic]                 1252    7855  15.9% -lh5- 6a33 May 18  1999 h8jpg/src/c2p_24h8.i
[generic]                 4594   15941  28.8% -lh5- 299b May 18  1999 h8jpg/src/h8jpg.s
[generic]                 4983   14653  34.0% -lh5- 2aad May 18  1999 h8jpg/src/os_macros.i
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         5 files   14188   44780  31.7%            May 19  1999

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