ImageMagick Studio LLC announces the release of ImageMagick 6.4.1-8.
Introduction to ImageMagick
ImageMagick® is a software suite to create, edit, and compose bitmap
images. It can read, convert and write images in a variety of formats
(over 100) including DPX, EXR, GIF, JPEG, JPEG-2000, PDF, PhotoCD, PNG,
Postscript, SVG, and TIFF. Use ImageMagick to translate, flip, mirror,
rotate, scale, shear and transform images, adjust image colors, apply various
special effects, or draw text, lines, polygons, ellipses and Bézier curves.
The functionality of ImageMagick is typically utilized from the command
line or you can use the features from programs written in your favorite
programming language. Choose from these interfaces: G2F (Ada), MagickCore
(C), MagickWand (C), ChMagick (Ch), ImageMagickObject (COM+), Magick++
(C++), JMagick (Java), L-Magick (Lisp), NMagick (Neko/haXe), MagickNet
(.NET), PascalMagick (Pascal), PerlMagick (Perl), MagickWand for PHP
(PHP), IMagick (PHP), PythonMagick (Python), RMagick (Ruby), or TclMagick
(Tcl/TK). With a language interface, use ImageMagick to modify or create
images dynamically and automagically.
ImageMagick is free software delivered as a ready-to-run binary distribution
or as source code that you may freely use, copy, modify, and distribute. Its
license is compatible with the GPL. It runs on all major operating systems.
Features and Capabilities
Here are just a few examples of what ImageMagick can do:
* Format conversion: convert an image from one format to another (e.g.
PNG to JPEG)
* Transform: resize, rotate, crop, flip or trim an image
* Transparency: render portions of an image invisible
* Draw: add shapes or text to an image
* Decorate: add a border or frame to an image
* Special effects: blur, sharpen, threshold, or tint an image
* Animation: create a GIF animation sequence from a group of images
* Text & comments: insert descriptive or artistic text in an image
* Image identification: describe the format and properties of an image
* Composite: overlap one image over another
* Montage: juxtapose image thumbnails on an image canvas
* Motion picture support: read and write the common image formats used in
digital film work
* Image calculator: apply a mathematical expression to an image or image
channels
* High dynamic-range images: accurately represent the wide range of
intensity levels found in real scenes ranging from the brightest direct
sunlight to the deepest darkest shadows
* Large image support: read, process, or write mega- and giga-pixel image
sizes
* Encipher or decipher an image: convert ordinary images into
unintelligible gibberish and back again
* Threads of execution support: ImageMagick is thread safe and many
internal algorithms are already threaded to take advantage of speed-ups
offered by the dual and quad-core processor technologies
See http://www.imagemagick.org for more details.
Examples of ImageMagick Usage shows how to use ImageMagick from the
command-line to accomplish any of these tasks and much more. See
http://www.imagemagick.org/Usage/.
Recent Changes
Significant changes since the last official ImageMagick release, include:
2008-06-13 6.4.1-8 Anthony <[EMAIL PROTECTED]>
* Fixed IsMagickColorsimular() as used by -opauqe and -transparent
so as to understand that the Hue Channel is cyclic by nature
2008-06-08 6.4.1-8 Cristy <[EMAIL PROTECTED]>
* The -sketch option is working again (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11454).
2008-06-08 6.4.1-7 Cristy <[EMAIL PROTECTED]>
* More algorithms refactored to support a threaded cache view.
* EPS2 output only 1/3 of image when using LZW or rle compress (reference
http://www.imagemagick.org/discourse-server/viewforum.php?f=3).
* ISO C++ 1998 does not support 'long long' (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11405).
* Patch GetMagickMemoryHandlers() to return the properly return the memory
handler addresses.
* Generate histogram comment if # unique colors exceed 1024 (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11434).
2008-06-03 6.4.1-6 Marton Bokor <[EMAIL PROTECTED]>
* Reading EMF files containing non-ascii characters no longer fails for
UTF8 encoded paths on Windows XP.
2008-06-03 6.4.1-6 Cristy <[EMAIL PROTECTED]>
* The -colorspace option is an operator, not a setting.
2008-05-31 6.4.1-5 rsnel <[EMAIL PROTECTED]>
* gif.c misreads Gifs in which LZW codes are split across three datablocks.
2008-05-31 6.4.1-4 Matthew Clark <[EMAIL PROTECTED]>
* Patches to the JPEG and DCM coders to fix a few problems reading
certain DCM image types.
2008-05-15 6.4.1-4 Cristy <[EMAIL PROTECTED]>
* Color reduction respects the -fuzz option.
* Interpreting the -set option is no longer delayed.
* Add AcquireCacheViews() and DestroyCachewViews() to the API.
* Call DrawAffineImage() instead of CompositeImage() (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11288).
* Throw exception for TIFF compression not support (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11289).
* The +opaque option now recognizes its required argument (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11298).
* The -background and -virtual-pixel settings are now applied correctly
across parenthesis.
* Only reset the exception signature if the relinquish memory is MagickTrue.
* Correct recolor equation for computing opacity (referencee
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11346).
* Set midpoint when scaling JP2 images.
* Semaphores must be passed by reference when destroyed for reliable thread
locks.
2008-05-13 6.4.1-3 Cristy <[EMAIL PROTECTED]>
* MagickGetResource(): resources are MagickSizeType not unsigned long.
2008-05-11 6.4.1-2 Cristy <[EMAIL PROTECTED]>
* Import: properly handle a hierarchy of subwindows under X11.
* Refactor quantum pixel processor to inprove ease of use and speed.
2008-05-09 6.4.1-2 Leonardo de Paula Rosa Piga <[EMAIL PROTECTED]>
* OpenMP patch for sepia-tone effect.
2008-05-08 6.4.1-2 Bruno Cardoso Lopes <[EMAIL PROTECTED]>
* OpenMP patch for NormalizeImage() & TintImage()
2008-05-06 6.4.1-2 <[EMAIL PROTECTED]>
* OpenMP patch for GetImageChannelDepth().
* Set depth to 32 when saving MIFF HDRI image files.
2008-05-05 6.4.1-2 <[EMAIL PROTECTED]>
* OpenMP patch for OilPaintImage Function
2008-05-05 6.4.1-2 Sean Patrick Burke <[EMAIL PROTECTED]>
* Update IPLab coder (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=11200).
2008-05-02 6.4.1-1 Cristy <[EMAIL PROTECTED]>
* Return correct result for -fx luminence.
* Restore missing break so that PGM images remain PGM.
* Speed up the processing of ASCII PNM files.
* Return the correct number of MNG images for PingImage().
2008-05-01 6.4.1-0 Cristy <[EMAIL PROTECTED]>
* Remove C++ style comments from source.
* Center motion blur kernel.
* Reenable dithering for -monochrome option.
2008-04-24 6.4.0-11 Cristy <[EMAIL PROTECTED]>
* For color reduction, use maximum tree depth if image has 1024 or less
unique colors.
* Use a uniform convolution filter for motion blur (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11122).
* Add 'mean' and 'std' symbols to the Fx expression parser.
2008-04-20 6.4.0-10 Chris Madison <[EMAIL PROTECTED]>
* Updated to the latest autoconf/automake/libtool scripts.
* Default to HSL colorspace when modulating (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=1&t=11073).
* The -regard-warnings option properly returns a program status of 1 if and
only if a warning or error exception is thrown.
* Report 'no clip path defined' exception for -clip-path option (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11098).
2008-04-16 6.4.0-8 Cristy <[EMAIL PROTECTED]>
* Distinquish between pre and post processing of image list options.
* Return MagickTrue if InvokeDynamicImageFilter() does not generate an
exception (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=2&t=11065).
2008-04-16 6.4.0-7 Glenn Randers-Pehrson <[EMAIL PROTECTED]>
* Instead of masking the PNG tRNS values when reducing from 16-bit,
set image->matte to MagickFalse and emit a warning. This will produce
behavior similar to that of libpng-1.2.27 (and libpng-1.2.19 and earlier).
2008-04-12 6.4.0-7 Cristy <[EMAIL PROTECTED]>
* Fix fault for animate -window root image.gif.
* Use GetImagePixels() rather than SetImagePixels() when making multiple
passes and setting image pixels (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=11022).
2008-04-10 6.4.0-6 Cristy <[EMAIL PROTECTED]>
* Compile error in coders/avi.c when JPEG delegate library is unavailable.
2008-04-09 6.4.0-5 Glenn Randers-Pehrson <[EMAIL PROTECTED]>
* Mask the PNG tRNS values when reducing from 16-bit, in accordance with
the PNG specification, instead of scaling them.
2008-04-09 6.4.0-5 Glenn Randers-Pehrson <[EMAIL PROTECTED]>
* Revised png.c to avoid saving unknown chunk types that will never
be used later. This prevents the vulnerability described in
CVE-2008-1382, with respect to all unknown chunks except vpAg.
To handle an invalid, zero-length vpAg chunk properly will require
libpng-1.2.27 or later.
2008-04-04 6.4.0-5 Cristy <[EMAIL PROTECTED]>
* Use mplayer delegate if ImageMagick does not grok AVI op code.
* Use proper rounding for the -fx intensity expression.
2008-03-26 6.4.0-4 Cristy <[EMAIL PROTECTED]>
* Fix +swap option so it no longer throws an assertion.
* Return correct min/max for grayscale JPEG images (e.g. -format %[min]).
2008-03-26 6.4.0-1 Cristy <[EMAIL PROTECTED]>
* Rewrote patch so that writing pyramid TIFF images no longer fails if a
tile size is specified (e.g. ptif:image.tif[128x128]).
* Malformed use of caption no longer consumes memory (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=10914).
* Don't run Ghostscript twice (reference
http://www.imagemagick.org/discourse-server/viewtopic.php?f=3&t=10922).
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