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 Readme for:  Datatype » Image » warpwebpdt.lha

WarpWebP DT

Description: WebP image datatype V45.5
Download: warpwebpdt.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 285kb
Version: 45.5
Date: 12 Jan 2024
Author: oliver@futaura.co.uk (Oliver Roberts)
Submitter: Samir Hawamdeh
Homepage: http://www.warpdt.co.uk/
Category: datatype/image
Replaces: datatype/image/warpwebpdt.lha
License: Other
Distribute: yes
Min OS Version: 4.0
FileID: 12797
 
Comments: 0
Snapshots: 0
Videos: 0
Downloads: 115  (Current version)
315  (Accumulated)
Votes: 0 (0/0)  (30 days/7 days)

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Changes since previous Aminet/OS4Depot release:

- Updated with libwebp 1.3.2.
- Decoding of lossless images on 68k is now 30% faster.
- Various minor optimisations.
- Removed some redundant code.


FEATURES

 - Handles both lossless WebP and lossy WebP images

 - Different modes for handling alpha channels / transparency

 - Highly optimized datatype dispatch engine and WebP decoder,
   resulting in a very efficient, compact and quick WebP datatype

 - Asynchronous file i/o and double buffering techniques (WarpOS only),
   which speeds up image decoding
 
 - Optimized versions for 68020, 030, 040 and 060

 - PowerPC support with native OS4, WarpOS and MorphOS versions

 - Alter the pen allocation precision when images are remapped to an
   8-bit display

 - Specific support for the AmigaOS picture.datatype v44+, when available

 - The dithering feature of the AmigaOS picture.datatype v44+ can be
   configured to your liking (e.g. disabled for 15/16-bit displays)

 - Based on libwebp 1.2.4.


REQUIREMENTS

WarpWebP utilizes and requires the following:

 68k version

 - Kickstart 3.0 or higher
 - 68020 processor or higher (optimized versions included)
 - picture.datatype v43 or higher
   (supplied with AmigaOS 3.1.4, 3.5, 3.9, CyberGraphX, P96 or AfA OS)

 WarpOS version

 - Kickstart 3.0 or higher
 - PPC accelerator card + 68040/060
 - WarpUp Release 5.0 or higher
 - picture.datatype v43 or higher
   (supplied with AmigaOS 3.1.4, 3.5, 3.9, CyberGraphX, P96 or AfA OS)

 OS4 version

 - PPC accelerator card / AmigaOne / SAM
 - AmigaOS 4.0 or higher

 MorphOS version

 - PPC accelerator card / Pegasos / Efika
 - MorphOS 1.4 or higher

Note that a graphics card is not necessary.






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