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dev/misc/IFF-RGFX.lha

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Short:	New IFF graphics file format standard
Author:	Andreas Kleinert
Uploader:	info ar-kleinert de
Type:	dev/misc
Version:	3.6
Replaces:	dev/misc/RGFX.lha
Architecture:	generic
Date:	2009-03-28
Download:	http://aminet.net/dev/misc/IFF-RGFX.lha - View contents
Readme:	http://aminet.net/dev/misc/IFF-RGFX.readme
Downloads:	774

 IFF-RGFX: An extended graphics file format for
           Win/AOS/MOS/AROS - opt. using libzip

 Author:  Andreas R. Kleinert
 Date:    V1.0 16 Nov 1997 (16.11.1997)
          V1.1 26 Nov 1997 (26.11.1997)
          V1.2 07 Dec 1997 (07.12.1997)
          V2.0 28 Aug 2004 (28.08.2004)
          V3.0 31 Jan 2006 (31.01.2006)
          V3.1 01 Feb 2007 (01.02.2006)
          V3.2 17 Apr 2007 (17.04.2007)
          V3.3 03 Feb 2008 (03.02.2008)
          V3.4 28 Mar 2009 (28.03.2009)
          V3.5 07 Jan 2010 (07.01.2010)      
          V3.6 17 Jan 2010 (17.01.2010)              
 Contact: Andreas Kleinert <infoar-kleinert.de>
 Credits: Peter Bornhall, Marcel Offermans, Achim Stegemann
 Abstract:

 RGFX currently supports compressed and uncompressed:

      - planar graphics                    (  <=     8 Bit)
      - chunky graphics                    (  <=     8 Bit)
      - 15 Bit graphics as  RGB            (     3x  5 Bit)
      - 16 Bit graphics as ARGB            (1  + 3x  5 Bit)
      - 24 Bit graphics as  RGB triples    (     3x  8 Bit)
      - 32 Bit graphics as ARGB quadruples (8  + 3x  8 Bit)
      - 48 Bit graphics as  RGB triples    (     3x 16 Bit)
      - 64 Bit graphics as ARGB quadruples (16 + 3x 16 Bit)

 With optional PNG-style alpha channel for each
 24/48 bit pixel or a single transparent color
 for colormapped images (upto 8 bit).

 Typical structure of a RGFX file (recommended):

     FORM-RGFX

       RGHD     image header
       RSCM     viemode information
       RDIP     DIPF information
       RCOL     color and transparency information
       RFLG     optional; further flags       
       NAME     optional
       AUTH     optional
       ANNO     optional
       Copy     optional
       EXIF     optional; see IFF-META spec
       IPTC     optional; see IFF-META spec
       XMP0     optional; see IFF-META spec
       XMP1     optional; see IFF-META spec
       ICCP     optional; see IFF-META spec       
       ICCN     optional; see IFF-META spec       
       GAMA     optional; see IFF-META/ILBM64 spec       
       CHRM     optional; see IFF-META/ILBM64 spec       
       SRGB     optional; see IFF-META/ILBM64 spec       
       RBOD     the graphics itself

  All additional (optional) chunks should appear
  somewhere between RCOL and RBOD.

  Please refer to rgfx.h for the chunk specifications
  and permitted standard chunks as far as not specified
  elsewhere.

  A few optional third party RGFX chunks are also discussed.

  These are not part of the format specification and
  should be considered  private, proprietary extensions.

Contents of dev/misc/IFF-RGFX.lha

 PERMSSN    UID  GID    PACKED    SIZE  RATIO METHOD CRC     STAMP          NAME
---------- ----------- ------- ------- ------ ---------- ------------ -------------
[generic]                  977    2301  42.5% -lh5- 60c3 Mar 28  2009 IFF-RGFX/IFF-RGFX.readme
[generic]                 1095    2419  45.3% -lh5- 7b2e Mar 28  2009 IFF-RGFX/RGFX-Chunks.txt
[generic]                 1559    3436  45.4% -lh5- cb42 Mar 28  2009 IFF-RGFX/RGFX-Remarks.txt
[generic]                 4164   13290  31.3% -lh5- e72f Mar 28  2009 IFF-RGFX/rgfx.h
---------- ----------- ------- ------- ------ ---------- ------------ -------------
 Total         4 files    7795   21446  36.3%            Mar 28  2009

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