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 Readme for:  Library » Misc » png_im.lha

Png_im

Description: PNG icon loader/saver module for AmigaOS 4
Download: png_im.lha       (TIPS: Use the right click menu if your browser takes you back here all the time)
Size: 74kb
Version: 53.1
Date: 03 Sep 2008
Author: Massimo Tantignone
Submitter: Massimo Tantignone
Requirements: AmigaOS 4.0 final update or higher
Category: library/misc
Replaces: library/misc/png_im.lha
License: Freeware
Distribute: yes
Min OS Version: 4.0
FileID: 3985
 
Comments: 3
Snapshots: 0
Videos: 0
Downloads: 1774  (Current version)
2874  (Accumulated)
Votes: 21 (0/0)  (30 days/7 days)

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=====================================================================
PNG icon loader/saver module for AmigaOS 4 - Version 53.1 (26.8.2008)
=====================================================================


REQUIREMENTS

AmigaOS Release 4 (4.0 final update or higher).


INSTALLATION

Copy png.iconmodule to the LIBS:IconModules/ directory and reboot.

(Remove PowerIcons from your Startup-sequence if you're using it.)


FEATURES

- Supports loading and saving of greyscale, paletted, RGB and RGBA
  icons in PNG format.

- Supports the PowerIcons extensions to the "icOn" chunk.

- Supports PNG icons with two images in the AROS style (files that
  contain two PNG pictures joined together).

- Supports ICONPUTA_OnlyUpdatePosition, for a fast snapshot of PNG
  icons.

- Supports also the standard Amiga icon attributes which currently
  are still missing in the Ambient PNG icon specifications, namely
  the drawer view offsets, the frameless property, the tool window
  string and the icon type. Note: systems other than AmigaOS 4 may
  ignore some or all of these attributes.

- Can optionally use custom read routines for faster icon loading,
  by setting the environment variable "IconModules/png.iconmodule"
  to "READMODE=CUSTOM" (it will take effect after a reboot).
  This is about 25% faster than using the libpng read routines, at
  the cost of losing support for interlacing, greyscale with alpha
  format and 16-bit deep pixels.

- Built with libpng 1.2.12 and zlib 1.2.3.


HISTORY

png.iconmodule 52.1 (10.12.2006)

- First public release for AmigaOS 4.

png.iconmodule 53.1 (26.8.2008)

- Added support for the "sort order" and "show .info files" drawer
  attributes introduced by workbench.library in AmigaOS 4.1.


AUTHOR

Massimo Tantignone





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