Wand Changelog

0.4 series

Version 0.4.4

Released on October 22, 2016.

• Added BaseError, BaseWarning, and BaseFatalError, base classes for domains. [#292]
• Fixed TypeError during parsing version caused by format change of ImageMagick version string (introduced by 6.9.6.2). [#310, Debian bug report #841548]
• Properly fixed again memory-leak when accessing images constructed in Image.sequence[]. It had still leaked memory in the case an image is not closed using with but manual wand.resource.Resource.destroy()/wand.image.Image.close() method call. [#237]

Version 0.4.3

Released on June 1, 2016.

• Fixed repr() for empty Image objects. [#265]
• Added Image.compare() method (MagickCompareImages()). [#238, #268 by Gyusun Yeom]
• Added Image.page and related properties for virtual canvas handling. [#284 by Dan Harrison]
• Added Image.merge_layers() method (MagickMergeImageLayers()). [#281 by Dan Harrison]
• Fixed OSError during import libc.dylib due to El Capitan’s SIP protection. [#275 by Ramesh Dharan]

Version 0.4.2

Released on November 30, 2015.

• Fixed ImportError on MSYS2. [#257 by Eon Jeong]
• Added Image.quantize() method (MagickQuantizeImage()). [#152 by Kang Hyojun, #262 by Jeong YunWon]
• Added Image.transform_colorspace() quantize (MagickTransformImageColorspace()). [#152 by Adrian Jung, #262 by Jeong YunWon]
• Now ImageMagick DLL can be loaded on Windows even if its location is stored in the resitry. [#261 by Roeland Schoukens]
• Added depth parameter to Image constructor. The depth, width and height parameters can be used with the filename, file and blob parameters to load raw pixel data. [#261 by Roeland Schoukens]

Version 0.4.1

Released on August 3, 2015.

• Added Image.auto_orient() that fixes orientation by checking EXIF tags.
• Added Image.transverse() method (MagickTransverseImage()).
• Added Image.transpose() method (MagickTransposeImage()).
• Added Image.evaluate() method.
• Added Image.frame() method.
• Added Image.function() method.
• Added Image.fx() expression method.
• Added gravity options in Image.crop() method. [#222 by Eric McConville]
• Added Image.matte_color property.
• Added Image.virtual_pixel property.
• Added Image.distort() method.
• Added Image.contrast_stretch() method.
• Added Image.gamma() method.
• Added Image.linear_stretch() method.
• Additional support for Image.alpha_channel.
• Additional query functions have been added to wand.version API. [#120]
  • Added configure_options() function.
  • Added fonts() function.
  • Added formats() function.
• Additional IPython support. [#117]
  • Render RGB Color preview.
  • Display each frame in image Sequence.
• Fixed memory-leak when accessing images constructed in Image.sequence[]. [#237 by Eric McConville]
• Fixed Windows memory-deallocate errors on wand.drawing API. [#226 by Eric McConville]
• Fixed ImportError on FreeBSD. [#252 by Pellaeon Lin]

Version 0.4.0

Released on February 20, 2015.

See also

What’s new in Wand 0.4?

This guide introduces what’s new in Wand 0.4.

• Complete wand.drawing API. The whole work was done by Eric McConville. Huge thanks for his effort! [#194 by Eric McConville]
  • Added Drawing.arc() method (Arc).
  • Added Drawing.bezier() method (Bezier).
  • Added Drawing.circle() method (Circle).
  • Color & Matte
    • Added wand.drawing.PAINT_METHOD_TYPES constant.
    • Added Drawing.color() method.
    • Added Drawing matte() method.
  • Added Drawing.composite() method (Composite).
  • Added Drawing.ellipse() method (Ellipse).
  • Paths
    • Added path_start() method.
    • Added path_finish() method.
    • Added path_close() method.
    • Added path_curve() method.
    • Added path_curve_to_quadratic_bezier() method.
    • Added path_elliptic_arc() method.
    • Added path_horizontal_line() method.
    • Added path_line() method.
    • Added path_move() method.
    • Added path_vertical_line() method.
  • Added Drawing.point() method (Point).
  • Added Drawing.polygon() method (Polygon).
  • Added Drawing.polyline() method (Polyline).
  • Push & Pop
    • Added push() method.
    • Added push_clip_path() method.
    • Added push_defs() method.
    • Added push_pattern() method.
    • Added clip_path property.
    • Added set_fill_pattern_url() method.
    • Added set_stroke_pattern_url() method.
    • Added pop() method.
  • Added Drawing.rectangle() method (Rectangles).
  • Added stroke_dash_array property.
  • Added stroke_dash_offset property.
  • Added stroke_line_cap property.
  • Added stroke_line_join property.
  • Added stroke_miter_limit property.
  • Added stroke_opacity property.
  • Added stroke_width property.
  • Added fill_opacity property.
  • Added fill_rule property.
• Error message of MissingDelegateError raised by Image.liquid_rescale() became nicer.

0.3 series

Version 0.3.9

Released on December 20, 2014.

• Added 'pdf:use-cropbox' option to Image.options dictionary (and OPTIONS constant). [#185 by Christoph Neuroth]
• Fixed a bug that exception message was bytes instead of str on Python 3.
• The size parameter of Font class becomes optional. Its default value is 0, which means autosized. [#191 by Cha, Hojeong]
• Fixed a bug that Image.read() had tried using MagickReadImageFile() even when the given file object has no mode attribute. [#205 by Stephen J. Fuhry]

Version 0.3.8

Released on August 3, 2014.

• Fixed a bug that transparent background becomes filled with white when SVG is converted to other bitmap image format like PNG. [#184]
• Added Image.negate() method. [#174 by Park Joon-Kyu]
• Fixed a segmentation fault on Image.modulate() method. [#173 by Ted Fung, #158]
• Added suggestion to install freetype also if Homebrew is used. [#141]
• Now image/x-gif also is determined as animation. [#181 by Juan-Pablo Scaletti]

Version 0.3.7

Released on March 25, 2014.

• A hotfix of debug prints made at 0.3.6.

Version 0.3.6

Released on March 23, 2014.

• Added Drawing.rectangle() method. Now you can draw rectangles. [#159]
• Added Image.compression property. [#171]
• Added contextlib.nested() function to wand.compat module.
• Fixed UnicodeEncodeError when Drawing.text() method gives Unicode text argument in Python 2. [#163]
• Now it now allows to use Wand when Python is invoked with the -OO flag. [#169 by Samuel Maudo]

Version 0.3.5

Released on September 13, 2013.

• Fix segmentation fault on Image.save() method. [#150]

Version 0.3.4

Released on September 9, 2013.

• Added Image.modulate() method. [#134 by Dan P. Smith]
• Added Image.colorspace property. [#135 by Volodymyr Kuznetsov]
• Added Image.unsharp_mask() method. [#136 by Volodymyr Kuznetsov]
• Added 'jpeg:sampling-factor' option to Image.options dictionary (and OPTIONS constant). [#137 by Volodymyr Kuznetsov]
• Fixed ImageMagick shared library resolution on Arch Linux. [#139, #140 by Sergey Tereschenko]
• Added Image.sample() method. [#142 by Michael Allen]
• Fixed a bug that Image.save() preserves only one frame of the given animation when file-like object is passed. [#143, #145 by Michael Allen]
• Fixed searching of ImageMagick shared library with HDR support enabled. [#148, #149 by Lipin Dmitriy]

Version 0.3.3

Released on August 4, 2013. It’s author’s birthday.

• Added Image.gaussian_blur() method.
• Added Drawing.stroke_color property. [#129 by Zeray Rice]
• Added Drawing.stroke_width property. [#130 by Zeray Rice]
• Fixed a memory leak of Color class. [#127 by Wieland Morgenstern]
• Fixed a bug that Image.save() to stream truncates data. [#128 by Michael Allen]
• Fixed broken display() on Python 3. [#126]

Version 0.3.2

Released on July 11, 2013.

• Fixed incorrect encoding of filenames. [#122]
• Fixed key type of Image.metadata dictionary to str from bytes in Python 3.
• Fixed CentOS compatibility [#116, #124 by Pierre Vanliefland]
  • Made DrawSetTextInterlineSpacing() and DrawGetTextInterlineSpacing() optional.
  • Added exception in drawing API when trying to use DrawSetTextInterlineSpacing() and DrawGetTextInterlineSpacing() functions when they are not available.
  • Added WandLibraryVersionError class for library versions issues.

Version 0.3.1

Released on June 23, 2013.

• Fixed ImportError on Windows.

Version 0.3.0

Released on June 17, 2013.

See also

What’s new in Wand 0.3?

This guide introduces what’s new in Wand 0.3.

• Now also works on Python 2.6, 2.7, and 3.2 or higher.
• Added wand.drawing module. [#64 by Adrian Jung]
• Added Drawing.get_font_metrics() method. [#69, #71 by Cha, Hojeong]
• Added Image.caption() method. [#74 by Cha, Hojeong]
• Added optional color parameter to Image.trim() method.
• Added Image.border() method. [2496d37f75d75e9425f95dde07033217dc8afefc by Jae-Myoung Yu]
• Added resolution parameter to Image.read() method and the constructor of Image. [#75 by Andrey Antukh]
• Added Image.liquid_rescale() method which does seam carving. See also Seam carving (also known as content-aware resizing).
• Added Image.metadata immutable mapping attribute and Metadata mapping type for it. [#56 by Michael Elovskikh]
• Added Image.channel_images immutable mapping attribute and ChannelImageDict mapping for it.
• Added Image.channel_depths immutable mapping attribute and ChannelDepthDict mapping for it.
• Added Image.composite_channel() method.
• Added Image.read() method. [#58 by Piotr Florczyk]
• Added Image.resolution property. [#58 by Piotr Florczyk]
• Added Image.blank() method. [#60 by Piotr Florczyk]
• Fixed several memory leaks. [#62 by Mitch Lindgren]
• Added ImageProperty mixin class to maintain a weak reference to the parent image.
• Ranamed wand.image.COMPOSITE_OPS to COMPOSITE_OPERATORS.
• Now it shows helpful error message when ImageMagick library cannot be found.
• Added IPython-specialized formatter.
• Added QUANTUM_DEPTH constant.
• Added these properties to Color class:
  • red_quantum
  • green_quantum
  • blue_quantum
  • alpha_quantum
  • red_int8
  • green_int8
  • blue_int8
  • alpha_int8
• Added Image.normalize() method. [#95 by Michael Curry]
• Added Image.transparent_color() method. [#98 by Lionel Koenig]
• Started supporting resizing and cropping of GIF images. [#88 by Bear Dong, #112 by Taeho Kim]
• Added Image.flip() method.
• Added Image.flop() method.
• Added Image.orientation property. [88574468a38015669dae903185fb328abdd717c0 by Taeho Kim]
• wand.resource.DestroyedResourceError becomes a subtype of wand.exceptions.WandException.
• Color is now hashable, so can be used as a key of dictionaries, or an element of sets. [#114 by klutzy]
• Color has normalized_string property.
• Image has histogram dictionary.
• Added optional fuzz parameter to Image.trim() method. [#113 by Evaldo Junior]

0.2 series

Version 0.2.4

Released on May 28, 2013.

• Fix NameError in Resource.resource setter. [#89 forwareded from Debian bug report #699064 by Jakub Wilk]
• Fix the problem of library loading for Mac with Homebrew and Arch Linux. [#102 by Roel Gerrits, #44]

Version 0.2.3

Released on January 25, 2013.

• Fixed a bug that Image.transparentize() method (and Image.watermark() method which internally uses it) didn’t work.
• Fixed segmentation fault occurred when Color.red, Color.green, or Color.blue is accessed.
• Added Color.alpha property.
• Fixed a bug that format converting using Image.format property or Image.convert() method doesn’t correctly work to save blob.

Version 0.2.2

Released on September 24, 2012.

• A compatibility fix for FreeBSD. [Patch by Olivier Duchateau]
• Now Image can be instantiated without any opening. Instead, it can take width/height and background. [#53 by Michael Elovskikh]
• Added Image.transform() method which is a convenience method accepting geometry strings to perform cropping and resizing. [#50 by Mitch Lindgren]
• Added Image.units property. [#45 by Piotr Florczyk]
• Now Image.resize() method raises a proper error when it fails for any reason. [#41 by Piotr Florczyk]
• Added Image.type property. [#33 by Yauhen Yakimovich, #42 by Piotr Florczyk]

Version 0.2.1

Released on August 19, 2012. Beta version.

• Added Image.trim() method. [#26 by Jökull Sólberg Auðunsson]
• Added Image.depth property. [#31 by Piotr Florczyk]
• Now Image can take an optional format hint. [#32 by Michael Elovskikh]
• Added Image.alpha_channel property. [#35 by Piotr Florczyk]
• The default value of Image.resize()’s filter option has changed from 'triangle' to 'undefined'. [#37 by Piotr Florczyk]
• Added version data of the linked ImageMagick library into wand.version module:
  • MAGICK_VERSION (GetMagickVersion())
  • MAGICK_VERSION_INFO (GetMagickVersion())
  • MAGICK_VERSION_NUMBER (GetMagickVersion())
  • MAGICK_RELEASE_DATE (GetMagickReleaseDate())
  • MAGICK_RELEASE_DATE_STRING (GetMagickReleaseDate())

Version 0.2.0

Released on June 20, 2012. Alpha version.

• Added Image.transparentize() method. [#19 by Jeremy Axmacher]
• Added Image.composite() method. [#19 by Jeremy Axmacher]
• Added Image.watermark() method. [#19 by Jeremy Axmacher]
• Added Image.quantum_range property. [#19 by Jeremy Axmacher]
• Added Image.reset_coords() method and reset_coords option to Image.rotate() method. [#20 by Juan Pablo Scaletti]
• Added Image.strip() method. [#23 by Dmitry Vukolov]
• Added Image.compression_quality property. [#23 by Dmitry Vukolov]
• Now the current version can be found from the command line interface: python -m wand.version.

0.1 series

Version 0.1.10

Released on May 8, 2012. Still alpha version.

• So many Windows compatibility issues are fixed. [#14 by John Simon]
• Added wand.api.libmagick.
• Fixed a bug that raises AttributeError when it’s trying to warn. [#16 by Tim Dettrick]
• Now it throws ImportError instead of AttributeError when the shared library fails to load. [#17 by Kieran Spear]
• Fixed the example usage on index page of the documentation. [#18 by Jeremy Axmacher]

Version 0.1.9

Released on December 23, 2011. Still alpha version.

• Now wand.version.VERSION_INFO becomes tuple and wand.version.VERSION becomes a string.
• Added Image.background_color property.
• Added == operator for Image type.
• Added hash() support of Image type.
• Added Image.signature property.
• Added wand.display module.
• Changed the theme of Sphinx documentation.
• Changed the start example of the documentation.

Version 0.1.8

Released on December 2, 2011. Still alpha version.

• Wrote some guide documentations: Reading images, Writing images and Resizing and cropping.
• Added Image.rotate() method for in-place rotation.
• Made Image.crop() to raise proper ValueError instead of IndexError for invalid width/height arguments.
• Changed the type of Image.resize() method’s blur parameter from numbers.Rational to numbers.Real.
• Fixed a bug of raising ValueError when invalid filter has passed to Image.resize() method.

Version 0.1.7

Released on November 10, 2011. Still alpha version.

• Added Image.mimetype property.
• Added Image.crop() method for in-place crop.

Version 0.1.6

Released on October 31, 2011. Still alpha version.

• Removed a side effect of Image.make_blob() method that changes the image format silently.
• Added Image.format property.
• Added Image.convert() method.
• Fixed a bug about Python 2.6 compatibility.
• Use the internal representation of PixelWand instead of the string representaion for Color type.

Version 0.1.5

Released on October 28, 2011. Slightly mature alpha version.

• Now Image can read Python file objects by file keyword argument.
• Now Image.save() method can write into Python file objects by file keyword argument.
• Image.make_blob()’s format argument becomes omittable.

Version 0.1.4

Released on October 27, 2011. Hotfix of the malformed Python package.

Version 0.1.3

Released on October 27, 2011. Slightly mature alpha version.

• Pixel getter for Image.
• Row getter for Image.
• Mac compatibility.
• Windows compatibility.
• 64-bit processor compatibility.

Version 0.1.2

Released on October 16, 2011. Still alpha version.

• Image implements iterable interface.
• Added wand.color module.
• Added the abstract base class of all Wand resource objects: wand.resource.Resource.
• Image implements slicing.
• Cropping Image using its slicing operator.

Version 0.1.1

Released on October 4, 2011. Still alpha version.

• Now it handles errors and warnings properly and in natural way of Python.
• Added Image.make_blob() method.
• Added blob parameter into Image constructor.
• Added Image.resize() method.
• Added Image.save() method.
• Added Image.clone() method.
• Drawed the pretty logo picture (thanks to Hyojin Choi).

Version 0.1.0

Released on October 1, 2011. Very alpha version.