IMG.svobject

  © 1994 by Andreas R. Kleinert.

  FREEWARE. All rights reserved.

  Version      : 2.7
  Release Date : 15.05.1994


  Requirements
  ~~~~~~~~~~~~
  - OS V2.04+ (V37)+ and its libraries
  - superviewsupport.library V1+


  Description
  ~~~~~~~~~~~
  IMG.svobject is an external Library-Module for the superview.library V2+.

  It contains SVDriver-Support for the superview.library V3+, and
  needs any SVDriver with Bitplane-Support.

  It supports reading of IMG (GEM/Metafile) Files.
  In detail these are :

  Reading :

   - IMG (16 Byte Header) GreyScaled (1..8 Bits = 2..256 Colors)
   - IMG (18 Byte Header) GreyScaled (1..8 Bits = 2..256 Colors)


  Writing :

   (not supported yet)


  Author
  ~~~~~~
  Andreas R. Kleinert
  Grube Hohe Grethe 23
  D-57074 Siegen
  Germany


  History
  ~~~~~~~
  V2.7 (15.05.1994) :

   - fixed version history (V2.5 mentioned twice)
   - fixed subtype strings (one blank too much)


  V2.6 (07.05.1994) :

   - use of SAS/C V6.51
   - use of new "superviewsupport.library" V1
     This saves some space again (here : ca. 1100 Bytes).
   - removed some dead code


  V2.5 (16.04.1994) :

   - added support for "more than 2 GreyScales"-IMG-Files.
     Tests with 4- and 16-GreyScales have been successful, so any other
     color-depth should also work.
   - removed some "dead" code
   - removed (deactivated) debugging code
   - this version uses the new "grey-scale-generation"-routine, like
     some of the other SVObjects written by me.
     Upto V2.4 this was not necessary, because there were only two
     "Colors" possible : Black and White.


  V2.4 (02.04.1994) :

   - improved decoding routines slightly


  V2.3 (27.03.1994) :

   - removed internal SVDriver-Replacement, so that we now are really
     dependent on external SVDrivers in libs:svdrivers.
     This saves about 1600 Bytes diskspace and reduces redundancy.
   - replaced SAS/C's sprintf()-routine with own, RawDoFmt()-based one.
     This saves again about 1800 Bytes.
   - now using Utility-Library for integer operations (activated
     SAS/C's UTILLIB option) : this increases 68000-codesize a little
     bit, but increases speed on 68020+ systems
     (should also decrease codesize, but does not ...)


  V2.2 (25.03.1994) :

   - slightly improved internal BitMap-to-BitMap routine
   - V2.1 was released additionally to the superview.library's V3.2
     developer release, V2.2 is now released inside the main package
   - "#ifdef"-disabled some debugging code, which was never executed


  V2.1 (23.03.1994) :

   - first version


  Literature
  ~~~~~~~~~~
  [1] "Bitmapped Graphics", 2nd Edition, Steve Rimmer, Windcrest/McGraw-Hill,
       © 1993 by Windcrest Books (registered Trademark of TAB Books).
       ISBN 0-8306-4209-9
  [2] "Supercharged Bitmapped Graphics", Steve Rimmer, Windcrest/McGraw-Hill,
       © 1992 by Windcrest Books (registered Trademark of TAB Books).
       ISBN 0-8306-3788-5
  [3] "Amiga Magazin", Issue 2/1992, Markt & Technik Verlag AG


  Copyrights
  ~~~~~~~~~~
  Some of the mentioned names or products above may be copyrighted by
  companies or trademarks of companies.