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 Readme for:  Datatype » Image » cr2_dt.lha

Cr2_dt

Description: Canon CR2 RAW DataType
Download: cr2_dt.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 80kb
Version: 39.1
Date: 19 May 2008
Author: Massimiliano Scarano, Fredrik Wikström (OS4 port)
Submitter: Fredrik Wikström
Email: fredrik/a500 org
Homepage: http://a500.org
Category: datatype/image
License: Other
Distribute: yes
Min OS Version: 4.0
FileID: 3689
 
Comments: 1
Snapshots: 0
Videos: 0
Downloads: 398  (Current version)
399  (Accumulated)
Votes: 0 (0/0)  (30 days/7 days)

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--- os4 notes ---

Installation:

1. copy cr2.datatype to SYS:Classes/DataTypes/
2. copy CR2(|.info) to DEVS:DataTypes/

--- original readme ---

=============
 Description
=============

CR2 DataType is a picture datatype for displaying "Canon CR2 RAW" images under
AmigaOS 3.0 or higher.

Canon CR2 is a TIFF based file format used by many Canon digital cameras for RAW
photos.
The file name extension is ".CR2".
It contains different versions of the same image (details from Canon EOS 400D):
1) JPEG Preview Image   1936 x 1288 x 24-bit
2) JPEG Thumbnail Image  160 x  120 x 24-bit
3) RGB Preview Image     384 x  256 x 24-bit
4) RAW Image            3888 x 2592 x 24-bit

Only images of type "3) RGB Preview Image" are supported in this version.
A new version supporting images of type "4) RAW Image" and an utility are being
evaluated
and their future is depending on people feedback.

==============
 Requirements
==============

* AmigaOS 3.0 or higher running on Motorola 680x0 based computers,
  alternatively an Amiga emulation package is required
  (Cloanto Amiga Forever recommended)

* picture.datatype V43 (truecolor 24-bit images) or higher

==========
 Features
==========

* It supports
    * Little Endian (Intel) byte order CR2 files
    * 24-bit uncompressed interleaved RGB images
    * 48-bit uncompressed interleaved RGB images
      (48-bit 16:16:16 cut down to 24-bit 8:8:8)

* Source code supplied

* AmigaGuide documentation

* Some Amiga meta data used (Author, Copyright, Annotation, Version)

* Some dubugging output enabled and sent to serial port

* Successfully tested Canon cameras
    Camera             | RGB Preview Image
    ---------------------------------------
    "EOS-1Ds Mark II"  | 384 x 256 x 24-bit
    "EOS 5D"           | 384 x 256 x 24-bit
    "EOS 20D"          | 384 x 256 x 24-bit
    "EOS 30D"          | 384 x 256 x 24-bit
    "EOS 350D"         | 384 x 256 x 24-bit
    "EOS 400D"         | 384 x 256 x 24-bit
    "EOS 40D"          | 486 x 324 x 48-bit
    "PowerShot G9"     | 500 x 375 x 48-bit
    "EOS-1D Mark III"  | 476 x 312 x 48-bit
    "EOS 450D"         | 539 x 356 x 48-bit
    "EOS-1Ds Mark III" | 486 x 324 x 48-bit



Download RAW files from
  [ http://raw.fotosite.pl/ ]
  [ http://www.rawsamples.ch/ ]
  [ http://www.glasslantern.com/RAWpository/ ]

==================
 Releases history
==================

* Version 39.0 released 11-May-2008, first public release.

* Version 39.1 released 18-May-2008:
    * few minor improvements

========
 Author
========

Massimiliano Scarano
E-mail: mscarano()libero.it
Web site: http://it.dada.net/freeweb/massimilianoscarano/



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