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1.3.5 - 2015-10-28
* Performance improvements for Canvas#crop! and ImageData.combine_chunks
* Update chunky_png/rmagick to work with the latest versions of RMagick.
* Bugfix in Color#from_hsl and Color#from_hsv when hue value is 360.
* Fix encoding issue in Datastream#to_blob
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Problems found with existing digests:
Package fotoxx distfile fotoxx-14.03.1.tar.gz
ac2033f87de2c23941261f7c50160cddf872c110 [recorded]
118e98a8cc0414676b3c4d37b8df407c28a1407c [calculated]
Package ploticus-examples distfile ploticus-2.00/plnode200.tar.gz
34274a03d0c41fae5690633663e3d4114b9d7a6d [recorded]
da39a3ee5e6b4b0d3255bfef95601890afd80709 [calculated]
Problems found locating distfiles:
Package AfterShotPro: missing distfile AfterShotPro-1.1.0.30/AfterShotPro_i386.deb
Package pgraf: missing distfile pgraf-20010131.tar.gz
Package qvplay: missing distfile qvplay-0.95.tar.gz
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
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=== 1.3.4 - 2015-02-16
- Assert compatibility with Ruby 2.2
- Improved documentation using RDoc, so it is included on http://www.rubydoc.info/gems/chunky_png
- Update chunkypng.com website; migrate some stuff from the wiki.
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1.3.3 - 2014-10-24
* Improve performance of Canvas#crop and Canvas#crop! by doing less memory
allocations.
* Update to RSPEC 3
* Add CONTRIBUTING.rdoc file.
1.3.2 - 2014-10-18
* Add HSV/HSL color conversions: Color.from_hsl, Color.to_hsl
* Allow empty IDAT chunks to better conform to the PNG standard.
* Small bugfix in image resampling.
* Documentation and code readability improvements.
1.3.1 - 2014-04-28
* Improve performance of Palette.from_canvas.
* Add Color.euclidean_distance_rgba to compare colors.
* Bugix in Canvas.from_bgr_stream.
* Documentation and code readibility improvements.
* README updates, include mention of screencast.
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Changes are not available, please refer commit log:
<https://github.com/wvanbergen/chunky_png/commits/master>.
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Exact changes aren't available but a few bug fixes.
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Exact changes aren't available.
* Fix a small problem with 4bit resampling code.
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Changes are unavailable.
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Changes are unknown.
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* Added Canvas.from_data_url to import an canvas from a PNG data URL.
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* Added data URL exporting.
* A few bug fixes.
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Changes are unknown.
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of www/ruby-compass.
= Chunky PNG
This library can read and write PNG files. It is written in pure Ruby for
maximum portability. Let me rephrase: it does NOT require RMagick or any other
memory leaking image library.
== Features
* Decodes any image that the PNG standard allows. This includes all standard
color modes, all bit depths and all transparency, interlacing and
filtering options.
* Encodes images supports all color modes (true color, grayscale and indexed)
and transparency for all these color modes. The best color mode will be
chosen automatically, based on the amount of used colors.
* R/W access to the image's pixels.
* R/W access to all image metadata that is stored in chunks.
* Memory efficient (uses a Fixnum, i.e. 4 or 8 bytes of memory per pixel,
depending on the hardware)
* Reasonably fast for Ruby standards, by only using integer math and a highly
optimized saving routine.
* Interoperability with RMagick if you really have to.
Also, have a look at OilyPNG at http://github.com/wvanbergen/oily_png.
OilyPNG is a mixin module that implements some of the ChunkyPNG algorithms
in C, which provides a massive speed boost to encoding and decoding.
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