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Author: oliver at futaura.co.uk (Oliver Roberts) Uploader: oliver futaura co uk (Oliver Roberts) Type: util/dtype Version: 45.27 Requires: OS 3.0+,picture.datatype v43 Architecture: m68k-amigaos; ppc-amigaos; ppc-morphos; ppc-warpup Date: 2023-05-08 Readme: http://aminet.net/util/dtype/WarpPNGdt.readme Downloads: 9046
http://aminet.net/util/dtype/WarpPNGdt.lha
Changes since previous Aminet release:
- Updated with libpng 1.6.39 and zlib 1.2.13.
FEATURES
- Supports both normal and interlaced PNG files
- Gamma correction options allow the output image to be changed to
suit your monitor/environment
- Alpha channel handling can be configured to output RGBA bitmaps, or
RGB bitmaps either by combining the alpha information internally
using a configurable background colour or simply stripping it
- Highly optimized datatype dispatch engine, and fast PNG decoder,
resulting in a very efficient, compact and quick PNG 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 libpng 1.6.39 and zlib 1.2.13
REQUIREMENTS
WarpPNG is a PNG datatype which 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, 3.2, 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, 3.2, 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.
PERMISSION UID GID PACKED SIZE RATIO METHOD CRC STAMP NAME ---------- ----------- ------- ------- ------ ---------- ------------ ---------- [unknown] 25672 41656 61.6% -lh5- f0de May 8 12:25 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.020 [unknown] 125 140 89.3% -lh5- e6b1 May 8 12:45 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.030.pch [unknown] 3590 4872 73.7% -lh5- f209 May 8 12:45 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.040.pch [unknown] 6231 8568 72.7% -lh5- 262d May 8 12:45 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.060.pch [unknown] 16361 31520 51.9% -lh5- 5b97 May 8 12:45 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.mos.pch [unknown] 37100 70320 52.8% -lh5- bc57 May 8 12:18 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.os4 [unknown] 34615 64764 53.4% -lh5- 6f25 May 8 12:18 WarpPNGdt/Classes/Datatypes/WarpPNG.datatype.wos [unknown] 118 132 89.4% -lh5- 8236 May 8 12:45 WarpPNGdt/Devs/Datatypes/PNG [unknown] 1767 2519 70.1% -lh5- 1f25 Jan 3 2000 WarpPNGdt/Devs/Datatypes/PNG.info [unknown] 5923 18312 32.3% -lh5- 8f67 May 8 11:24 WarpPNGdt/Install_WarpPNG [unknown] 1540 2025 76.0% -lh5- 001b Jan 3 2000 WarpPNGdt/Install_WarpPNG.info [unknown] 9285 14636 63.4% -lh5- e89d May 16 1996 WarpPNGdt/spatch [unknown] 14833 42288 35.1% -lh5- f63c May 8 12:35 WarpPNGdt/WarpPNG.guide [unknown] 2308 2924 78.9% -lh5- 9746 Dec 15 1999 WarpPNGdt/WarpPNG.guide.info [unknown] 2406 3144 76.5% -lh5- 330f Mar 7 2001 WarpPNGdt.info ---------- ----------- ------- ------- ------ ---------- ------------ ---------- Total 15 files 161874 307820 52.6% May 9 03:55
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