changes.rst

Wand Changelog

0.6 series

Version 0.6.12

Released on November 3rd, 2023.

• Fixed behavior when passing zero to :meth:`Image.chop() <wand.image.BaseImage.chop>`. [:issue:`622`]
• Fixed libmagick yield MagickCore library on Linux. [:issue:`612`]
• Fixed removing mask when passing :const:`None` to :meth:`Image.write_mask() <wand.image.BaseImage.write_mask>` method. [:issue:`636`]
• Added new :const:`COMPOSITE_OPERATORS <wand.image.COMPOSITE_OPERATORS>` operators. [:issue:`627` by druzhynin-oleksii]
  • 'freeze'
  • 'interpolate'
  • 'negate'
  • 'reflect'
  • 'rmse'
  • 'saliency'
  • 'seamless_blend'
  • 'soft_burn'
  • 'soft_dodge'
  • 'stamp'
• [DOC] Updated Sphinx version to 7.2.6

Version 0.6.11

Released on January 5th, 2023.

• Fixed format issue when calling :meth:`Image.convert() <wand.image.Image.convert>`, and :meth:`Image.make_blob() <wand.image.Image.make_blob>` methods. [:issue:`594`]
• Fixed storage type size for "long" & "quantum" values in :meth:`Image.export_pixels() <wand.image.BaseImage.export_pixels>` and :meth:`Image.import_pixels() <wand.image.BaseImage.import_pixels>` methods. [:issue:`596`]
• Added filter parameter to :meth:`Image.distort() <wand.image.BaseImage.distort>` method.
• [TEST] Added Python 3.11 to regression tests for github actions.
• [TEST] Replaced :mod:`py.path` fixtures with :mod:`pythlib`. [:pull:`607` & :issue:`608` by Louis Sautier]
• [TEST] Retired Python2 support from regression testing.
• [TEST] Upgraded Travis CI <https://travis-ci.org/github/emcconville/wand> build environments.

Version 0.6.10

Released on August 14th, 2022.

• Fixed segmentation fault during resource allocation on M1 processor. [:issue:`587`]
• Fixed additional segmentation faults introduced with ImageMagick 7.1.0-45. [:issue:`587` & :issue:`586`]

Version 0.6.9

Released on August 3rd, 2022.

• Updated :meth:`Image.fx() <wand.image.BaseImage.fx>` method to raise :class:`~wand.exceptions.WandRuntimeError` if ImageMagick is unable to generate an image. [:issue:`582`]
• Fixed :meth:`Image.from_array() <wand.image.Image.from_array>` classmethod to handle Numpy's strided arrays. [:issue:`582`]
• Fixed segmentation fault introduced with ImageMagick 7.1.0-45. [:issue:`586`]

Version 0.6.8

Released on July 16th, 2022.

• Added :meth:`Image.label() <wand.image.BaseImage.label>` method.
• Added :meth:`Image.region() <wand.image.BaseImage.region>` method.
• Updated :meth:`Image.chop() <wand.image.BaseImage.chop>` method to support gravity keyword.
• Updated :meth:`Image.extent() <wand.image.BaseImage.extent>` method to support gravity keyword. [:issue:`554`]
• Added .so.9 shared library suffix to :meth:`wand.api.library_paths()` generator when searching :const:`MAGICK_HOME` path.
• Added :const:`QUANTUM_SCALE <wand.version.QUANTUM_SCALE>` constant.
• Added :meth:`Image.montage() <wand.image.Image.montage>` method. [:issue:`575`]
• Added :meth:`Image.roll() <wand.image.BaseImage.roll>` method.
• Fixed returned values for :meth:`Image.connected_components() <wand.image.BaseImage.connected_components>` method for ImageMagick 7.1.1. [:issue:`574`]
• Fixed :c:func:`MagickSetImageDepth()` C-API method signature. [:issue:`577` by Pavel Borzenkov]
• Fixed :meth:`Image.encipher() <wand.image.BaseImage.encipher>` method to call the correct API. [:issue:`578` by Pavel Borzenkov]
• [DOC] Improved :class:`~wand.drawing.FontMetrics` documentation. [:issue:`566`]
• [TEST] Migrated CI from travis-ci.org to travis-ci.com.
• [TEST] Removed unneeded SVG dependency from regression test.
• [TEST] Suppressed :class:`~wand.exceptions.OptionWarning` when testing user errors.
• [TEST] Added Python 3.9 regression test for travis-ci.com.
• [TEST] Removed Python 3.7 & 3.8 regression test for travis-ci.com.
• [TEST] Added Python 3.10 regression tests for github actions.

Version 0.6.7

Released on August 16th, 2021.

• Added :meth:`Image.image_add() <wand.image.Image.image_add>` method.
• Added :meth:`Image.image_get() <wand.image.Image.image_get>` method.
• Added :meth:`Image.image_remove() <wand.image.Image.image_remove>` method.
• Added :meth:`Image.image_set() <wand.image.Image.image_set>` method.
• Added :meth:`Image.image_swap() <wand.image.Image.image_swap>` method.
• Fixed sub-image extraction on read. [:issue:`532`]
• Fixed :attr:`~wand.image.BaseImage.background_color` attribute when image was not read.
• [DOC] Completed :doc:`Distortion <./guide/distortion>` guide. [:issue:`534`]
• [DOC] Added :doc:`Morphology <./guide/morphology>` guide.

Version 0.6.6

Released on February 28th, 2021.

• Added :meth:`Image.get_image_distortion() <wand.image.BaseImage.get_image_distortion>` method.
• Fixed QuantumType allocation for 32-bit architectures using HDRI. [:issue:`518`]
• Fixed MagickSizeType allocation for :meth:`ResourceLimits.set_resource_limit() <wand.resource.ResourceLimits.set_resource_limit>` and segfault with armv7l architecture. [:issue:`520`]
• Fixed :class:`~wand.color.Color` deallocation error on 32-bit architectures.
• Deprecated :meth:`wand.color.scale_quantum_to_int8()`
• [TEST] Deprecated PDF format from test assets.
• [TEST] Deprecated :class:`~wand.drawing.Drawing` test fx_wand fixture to improve parallel CI testing.
• [TEST] Marked all ImageMagick-7 features skipped when running test suite with ImageMagick-6. [:issue:`522`]

Version 0.6.5

Released on November 29th, 2020.

• Fixed memory allocation & deallocation bugs with PyPy3, and various memory leaks identified during regression testing. [:issue:`510`]
• [TEST] Added Python 3.9 into Github regression tests. [:issue:`513` by Thijs Triemstra]

Version 0.6.4

Released on November 21st, 2020.

• Fixed MagickFloatType mapping for s390x architecture. [:issue:`504` & :issue:`505`]
• Fixed image order when calling :meth:`wand.sequence.Sequence.__setitem__()` method. [:issue:`506`]
• Fixed :meth:`Image.gaussian_blur() <wand.image.BaseImage.gaussian_blur>` method with channel parameter. [:issue:`507`]
• Added :meth:`Image.color_threshold() <wand.image.BaseImage.color_threshold>` method.
• Added :meth:`Image.convex_hull() <wand.image.BaseImage.convex_hull>` method. Requires ImageMagick-7.0.10 or above.
• Added :meth:`Image.kmeans() <wand.image.BaseImage.kmeans>` method. Only available with ImageMagick-7.0.10-37 or later.
• Added :meth:`Image.minimum_bounding_box() <wand.image.BaseImage.minimum_bounding_box>` method. Requires ImageMagick-7.0.10 or above;
• Added :meth:`Image.white_balance() <wand.image.BaseImage.white_balance>` method. Only available with ImageMagick-7.0.10-37 or later.
• Added percent_background & background_color parameters to :meth:`Image.trim() <wand.image.BaseImage.trim>` method.
• Added the following arguments to :meth:`Image.connected_components() <wand.image.BaseImage.connected_components>`:
  • angle_threshold
  • background_id
  • circularity_threshold
  • diameter_threshold
  • eccentricity_threshold
  • keep_colors
  • keep_top
  • major_axis_threshold
  • minor_axis_threshold
  • perimeter_threshold
  • remove_colors
• Added 'inverse_log' operator to :meth:`Image.evaluate() <wand.image.BaseImage.evaluate>` method.
• Added 'rigidaffine' operator to :meth:`Image.distort() <wand.image.BaseImage.distort>` method. Requires ImageMagick-7.0.10 or above.
• Added :class:`PAPERSIZE_MAP <wand.image.PAPERSIZE_MAP>` dict as a convenience lookup table.
• Added support for setting :attr:`Image.page <wand.image.BaseImage.page>` attribute with papersizes defined in :class:`~wand.image.PAPERSIZE_MAP`.
• [DOC] Created :doc:`Threshold <./guide/threshold>` guide.
• [DOC] Created :doc:`Quantize <./guide/quantize>` guide.

Version 0.6.3

Released on September 14th, 2020.

• Fixed buffer overflow bug in :meth:`Image.connected_components() <wand.image.BaseImage.connected_components>` method. [:issue:`496`]
• Added :meth:`Image.data_url() <wand.image.Image.data_url>` method. [:issue:`489`]
• Added :attr:`Image.sampling_factors <wand.image.BaseImage.sampling_factors>` property. [:issue:`491`]
• Added :meth:`Image.encipher() <wand.image.BaseImage.encipher>` & :meth:`Image.decipher() <wand.image.BaseImage.decipher>` methods.
• Argument fuzz for :meth:`Image.transparent_color() <wand.image.BaseImage.transparent_color>` now accepts :class:`numbers.Real` numbers.
• Uniformed additional pre-read parameters between :meth:`Image.__init__()` & :meth:`Image.read()`.

Version 0.6.2

Released on July 6th, 2020.

• Added aspect cropping support for :meth:`Image.transform() <wand.image.BaseImage.transform>` method.
• Added iterator methods to directly navigate the internal image-stack.
  • :meth:`Image.iterator_first() <wand.image.BaseImage.iterator_first>`
  • :meth:`Image.iterator_get() <wand.image.BaseImage.iterator_get>`
  • :meth:`Image.iterator_last() <wand.image.BaseImage.iterator_last>`
  • :meth:`Image.iterator_length() <wand.image.BaseImage.iterator_length>`
  • :meth:`Image.iterator_next() <wand.image.BaseImage.iterator_next>`
  • :meth:`Image.iterator_previous() <wand.image.BaseImage.iterator_previous>`
  • :meth:`Image.iterator_reset() <wand.image.BaseImage.iterator_reset>`
  • :meth:`Image.iterator_set() <wand.image.BaseImage.iterator_set>`
• Added gray & cmyk support for Numpy's array interface.
• Fixed :func:`~wand.display.display` on Windows & MacOS when previewing MIFF & XC formats.
• Fixed memory leak in :meth:`Image.transform() <wand.image.BaseImage.transform>` for ImageMagick-6.
• Fixed animation preservation with :meth:`Image.transform() <wand.image.BaseImage.transform>` method. [:issue:`251`]
• Fixed :attr:`Image.interlace_scheme <wand.image.BaseImage.interlace_scheme>` property. [:issue:`488`]
• [DOC] Make the documentation reproducible. [:issue:`484` by Chris Lamb]

Version 0.6.1

Released on May 15th, 2020.

• Fixed RuntimeError on deallocation when allocation_map changes. [:issue:`482` by Louis Sautier]

Version 0.6.0

Released on May 14th, 2020.

• Updated :mod:`numpy` array interface methods to accept / generate :attr:`shape` data values as rows, columns, and channels. This change should match other python-image numpy integrations. [:issue:`447`]
• Added adjoin= argument to :meth:`Image.save() <wand.image.Image.save>` method.
• Added reset_coords= argument to :meth:`Image.trim() <wand.image.BaseImage.trim>` method. [:issue:`472` ]
• Added support for :mod:`atexit`'s shutdown routine. [:issue:`248` & :issue:`361`]
• Added Python 2 classifiers to :file:`MANIFEST.in`. [:issue:`462` by Thijs Triemstra]
• Added both test-cases and documentation to source distribution packages. [:issue:`7`, :issue:`479`, :issue:`480`]
• Removed :file:`README.rst` from :file:`setup.py`. [:issue:`460`]
• Rewrote memory allocation manager. [:issue:`300` & :issue:`312`]
• Fixed segfault on macOS when invoking resource limits without calling :c:func:`MagickWandGenesis()`.
• Fixed grayscalealpha spelling. [:issue:`463`]
• Fixed :meth:`Image.deskew() <wand.image.BaseImage.deskew>` threshold argument. [:issue:`467`]
• Fixed :attr:`Image.alpha_channel <wand.image.BaseImage.alpha_channel>` property to apply changes to all images in the stack. [:issue:`468`]
• Fixed :meth:`Image.trim() <wand.image.BaseImage.trim>` paging offsets affected by 1x1 border. [:issue:`475`]
• [TEST] Updated Travis CI environment to Ubuntu 18.04.04 LTS (Bionic)
• [TEST] Deprecated display fixtures.

0.5 series

Version 0.5.9

Released on February 10th, 2020.

• Fixed dither parameter in :meth:`Image.quantize() <wand.image.BaseImage.quantize>` method for ImageMagick-7.
• Added :meth:`Image.combine() <wand.image.Image.combine>` method. [Thanks Fred!]
• Check __fspath__ attribute for filename parameter when calling :meth:`Image.save() <wand.image.Image.save>`. [:issue:`452`]
• Fixed typo in :class:`ProfileDict <wand.image.ProfileDict>` documentation. [:issue:`450` by Thijs Triemstra]
• Fixed typo in :attr:`Resource.c_is_resource <wand.resource.Resource.c_is_resource>` documentation. [:issue:`448`]
• Updated broken sentence in :meth:`Image.thumbnail() <wand.image.BaseImage.thumbnail>` method. [:issue:`446`]
• Check for :meth:`linux_distribution() <platform.linux_distribution>` as method was removed in Python 3.8. [:issue:`456`]
• Added :attr:`Image.delay <wand.image.BaseImage.delay>` property. Previously only available with :class:`~wand.sequence.SingleImage` class.

Version 0.5.8

Released on December 5th, 2019.

• Check :envvar:`WAND_MAGICK_LIBRARY_SUFFIX` for additional library suffixes. [:issue:`436`]
• Fixed :c:func:`MagickCompareImagesLayers` loading for ImageMagick-6 [:issue:`439`]
• Fixed incorrect color values for first 5 pixels when exporting to :class:`numpy.array` [:issue:`442`]
• Updated example in :meth:`Image.annotate() <wand.image.BaseImage.annotate>` docstring. [:issue:`441` by alexgv]
• Fixed :attr:`Image.resolution <wand.image.BaseImage.resolution>` property to return a tuple of float values. [:issue:`444`]
• Improved pycache performance by explicitly defining all ImageMagick warnings & errors in :mod:`wand.exceptions`. Previously all ImageMagick exceptions were generated dynamically during run-time.

Version 0.5.7

Released on September 3rd, 2019.

• Added :meth:`Image.color_decision_list() <wand.image.BaseImage.color_decision_list>` method.
• Added :meth:`Image.contrast() <wand.image.BaseImage.contrast>` method.
• Added :meth:`Image.local_contrast() <wand.image.BaseImage.local_contrast>` method.
• Added :meth:`Image.ordered_dither() <wand.image.BaseImage.ordered_dither>` method.
• Added :meth:`Image.random_threshold() <wand.image.BaseImage.random_threshold>` method.
• Added :meth:`Image.read_mask() <wand.image.BaseImage.read_mask>` method. [:issue:`433`]
• Added :meth:`Image.scale() <wand.image.BaseImage.scale>` method.
• Added :meth:`Image.sepia_tone() <wand.image.BaseImage.sepia_tone>` method.
• Added :meth:`Image.swirl() <wand.image.BaseImage.swirl>` method.
• Added :meth:`Image.write_mask() <wand.image.BaseImage.write_mask>` method. [:issue:`433`]
• Converted positional to key-word arguments to allow default values & allow more consistent behavior with CLI operations for the following methods:
  • :meth:`Image.blur() <wand.image.BaseImage.blur>`
  • :meth:`Image.gaussian_blur() <wand.image.BaseImage.gaussian_blur>`
  • :meth:`Image.selective_blur() <wand.image.BaseImage.selective_blur>`
  • :meth:`Image.spread() <wand.image.BaseImage.spread>`
  • :meth:`Image.unsharp_mask() <wand.image.BaseImage.unsharp_mask>`
• Restored :issue:`320` fix. [Reported by :issue:`435`]
• Added colorspace & units argument to :class:`~wand.image.Image` init. This is useful for defining sRGB ahead of reading CMYKA PDF documents.

Version 0.5.6

Released on August 2nd, 2019.

• Fixed invalid escape sequence warnings [:issue:`428`]
• Fixed error on Drawing exception handling. [:issue:`427`]
• Fixed undefined behavior when working with image frames in ImageMagick-7. [:issue:`431`]
• Added :meth:`Image.annotate() <wand.image.BaseImage.annotate>` method. [:issue:`418`]
• Added :meth:`Image.level_colors() <wand.image.BaseImage.level_colors>` method.
• Added :meth:`Image.levelize_colors() <wand.image.BaseImage.levelize_colors>` method.
• Added :meth:`Image.parse_meta_geometry() <wand.image.BaseImage.parse_meta_geometry>` method.
• Added :meth:`Image.percent_escape() <wand.image.BaseImage.percent_escape>` helper method. [:issue:`421`]
• Added :meth:`Image.ping() <wand.image.Image.ping>` class method. [:issue:`425`]
• Added mean_color, keep, & remove parameters in :meth:`Image.connected_components() <wand.image.BaseImage.connected_components>` method.

Version 0.5.5

Released on July 8th, 2019.

• Rewrote :meth:`Image.contrast_stretch() <wand.image.BaseImage.contrast_stretch>` method to follow modern CLI behavior.
• Added :meth:`Image.chop() <wand.image.BaseImage.chop>` method.
• Added :meth:`Image.clahe() <wand.image.BaseImage.clahe>` method.
• Added :meth:`Image.features() <wand.image.BaseImage.features>` method.
• Added :meth:`Image.forward_fourier_transform() <wand.image.BaseImage.forward_fourier_transform>` method.
• Added :meth:`Image.inverse_fourier_transform() <wand.image.BaseImage.inverse_fourier_transform>` method.
• Added :meth:`Image.magnify() <wand.image.BaseImage.magnify>` method.
• Added channel parameter support for the following methods.
  • :meth:`Image.adaptive_blur() <wand.image.BaseImage.adaptive_blur>`
  • :meth:`Image.adaptive_sharpen() <wand.image.BaseImage.adaptive_sharpen>`
  • :meth:`Image.blur() <wand.image.BaseImage.blur>`
  • :meth:`Image.brightness_contrast() <wand.image.BaseImage.brightness_contrast>`
  • :meth:`Image.clamp() <wand.image.BaseImage.clamp>`
  • :meth:`Image.clut() <wand.image.BaseImage.clut>`
  • :meth:`Image.equalize() <wand.image.BaseImage.equalize>`
  • :meth:`Image.gaussian_blur() <wand.image.BaseImage.gaussian_blur>`
  • :meth:`Image.hald_clut() <wand.image.BaseImage.hald_clut>`
  • :meth:`Image.noise() <wand.image.BaseImage.noise>`
  • :meth:`Image.morphology() <wand.image.BaseImage.morphology>`
  • :meth:`Image.opaque_paint() <wand.image.BaseImage.opaque_paint>`
  • :meth:`Image.selective_blur() <wand.image.BaseImage.selective_blur>`
  • :meth:`Image.sharpen() <wand.image.BaseImage.sharpen>`
  • :meth:`Image.sigmoidal_contrast() <wand.image.BaseImage.sigmoidal_contrast>`
  • :meth:`Image.solarize() <wand.image.BaseImage.solarize>`
  • :meth:`Image.statistic() <wand.image.BaseImage.statistic>`
  • :meth:`Image.unsharp_mask() <wand.image.BaseImage.unsharp_mask>`
• Added support for new methods introduced with ImageMagick 7.0.8-41. Upgrade to the latest ImageMagick version to take advantage of the following features.
  • :meth:`Image.auto_threshold() <wand.image.BaseImage.auto_threshold>`
  • :meth:`Image.canny() <wand.image.BaseImage.canny>`
  • :meth:`Image.complex() <wand.image.BaseImage.complex>`
  • :meth:`Image.connected_components() <wand.image.BaseImage.connected_components>`
  • :meth:`Image.hough_lines() <wand.image.BaseImage.hough_lines>`
  • :meth:`Image.kuwahara() <wand.image.BaseImage.kuwahara>`
  • :meth:`Image.levelize() <wand.image.BaseImage.levelize>`
  • :meth:`Image.mean_shift() <wand.image.BaseImage.mean_shift>`
  • :meth:`Image.polynomial() <wand.image.BaseImage.polynomial>`
  • :meth:`Image.range_threshold() <wand.image.BaseImage.range_threshold>`
  • :attr:`Image.seed <wand.image.BaseImage.seed>`
  • :meth:`Image.wavelet_denoise() <wand.image.BaseImage.wavelet_denoise>`

Version 0.5.4

Released on May 25th, 2019.

• Rewrote :attr:`~wand.api.libc` library loader. [:issue:`409`]
• Respect background parameter in :meth:`Image.__init__() <wand.image.Image.__init__>` constructor. [:issue:`410`]
• Fixed :meth:`Drawing.get_font_metrics() <wand.drawing.Drawing.get_font_metrics>` not raising internal ImageMagick exception on rendering error. [:issue:`411`]
• Fixed deleting image artifact value.
• Fixed offset memory calculation in :meth:`Image.export_pixels() <wand.image.BaseImage.export_pixels>` & :meth:`Image.import_pixels() <wand.image.BaseImage.import_pixels>` methods. [:issue:`413`]
• Added :meth:`Image.auto_gamma() <wand.image.BaseImage.auto_gamma>` method.
• Added :meth:`Image.auto_level() <wand.image.BaseImage.auto_level>` method.
• Added :attr:`Image.border_color <wand.image.BaseImage.border_color>` property.
• Added :meth:`Image.brightness_contrast() <wand.image.BaseImage.brightness_contrast>` method.
• Added :meth:`Image.mode() <wand.image.BaseImage.mode>` method.
• Added :meth:`Image.motion_blur() <wand.image.BaseImage.motion_blur>` method.
• Added :meth:`Image.oil_paint() <wand.image.BaseImage.oil_paint>` method.
• Added :meth:`Image.opaque_paint() <wand.image.BaseImage.opaque_paint>` method.
• Added :meth:`Image.polaroid() <wand.image.BaseImage.polaroid>` method.
• Added :attr:`Image.rendering_intent <wand.image.BaseImage.rendering_intent>` property.
• Added :meth:`Image.rotational_blur() <wand.image.BaseImage.rotational_blur>` method.
• Added :attr:`Image.scene <wand.image.BaseImage.scene>` property.
• Added :meth:`Image.shear() <wand.image.BaseImage.shear>` method.
• Added :meth:`Image.sigmoidal_contrast() <wand.image.BaseImage.sigmoidal_contrast>` method.
• Added :meth:`Image.similarity() <wand.image.BaseImage.similarity>` method.
• Added :meth:`Image.stegano() <wand.image.BaseImage.stegano>` method.
• Added :meth:`Image.stereogram() <wand.image.Image.stereogram>` class method.
• Added :meth:`Image.texture() <wand.image.BaseImage.texture>` method.
• Added :meth:`Image.thumbnail() <wand.image.BaseImage.thumbnail>` method. [:issue:`357` by yoch]
• Added :attr:`Image.ticks_per_second <wand.image.BaseImage.ticks_per_second>` property.

Version 0.5.3

Released on April 20, 2019.

• Fixed alpha channel set to "on" & "off" values for ImageMagick-7. [:issue:`404`]
• Updated :meth:`Image.composite <wand.image.BaseImage.composite>` & :meth:`Image.composite_channel <wand.image.BaseImage.composite_channel>` to include optional arguments for composite methods that require extra controls.
• Updated :meth:`Image.composite <wand.image.BaseImage.composite>` & :meth:`Image.composite_channel <wand.image.BaseImage.composite_channel>` to include optional gravity argument.

• Support for numpy arrays. [:issue:`65`]

  • Added :meth:`Image.from_array <wand.image.Image.from_array>` class method.

• Support color map / palette manipulation. [:issue:`403`]

  • Added :attr:`Image.colors <wand.image.BaseImage.colors>` property.
  • Added :meth:`Image.color_map() <wand.image.BaseImage.color_map>` method.
  • Added :meth:`Image.cycle_color_map() <wand.image.BaseImage.cycle_color_map>` method.

• Support for highlight & lowlight has been added to :meth:`Image.compare() <wand.image.BaseImage.compare>` method.
• Support for PEP-519 for objects implementing :attr:`__fspath__`, in :meth:`~wand.compat.encode_filename`.
• Added :meth:`Image.adaptive_blur() <wand.image.BaseImage.adaptive_blur>` method.
• Added :meth:`Image.adaptive_resize() <wand.image.BaseImage.adaptive_resize>` method.
• Added :meth:`Image.adaptive_sharpen() <wand.image.BaseImage.adaptive_sharpen>` method.
• Added :meth:`Image.adaptive_threshold() <wand.image.BaseImage.adaptive_threshold>` method.
• Added :meth:`Image.black_threshold() <wand.image.BaseImage.black_threshold>` method.
• Added :meth:`Image.blue_shift() <wand.image.BaseImage.blue_shift>` method.
• Added :meth:`Image.charcoal() <wand.image.BaseImage.charcoal>` method.
• Added :meth:`Image.color_matrix() <wand.image.BaseImage.color_matrix>` method.
• Added :meth:`Image.colorize() <wand.image.BaseImage.colorize>` method.
• Added :attr:`Image.fuzz <wand.image.BaseImage.fuzz>` property.
• Added :attr:`Image.kurtosis <wand.image.BaseImage.kurtosis>` property.
• Added :meth:`Image.kurtosis_channel() <wand.image.BaseImage.kurtosis_channel>` method
• Added :attr:`Image.maxima <wand.image.BaseImage.maxima>` property.
• Added :attr:`Image.mean <wand.image.BaseImage.mean>` property.
• Added :meth:`Image.mean_channel() <wand.image.BaseImage.mean_channel>` method
• Added :attr:`Image.minima <wand.image.BaseImage.minima>` property.
• Added :meth:`Image.noise() <wand.image.BaseImage.noise>` method.
• Added :meth:`Image.range_channel() <wand.image.BaseImage.range_channel>` method
• Added :meth:`Image.remap() <wand.image.BaseImage.remap>` method.
• Added :meth:`Image.selective_blur() <wand.image.BaseImage.selective_blur>` method.
• Added :attr:`Image.skewness <wand.image.BaseImage.skewness>` property.
• Added :meth:`Image.sketch() <wand.image.BaseImage.sketch>` method.
• Added :meth:`Image.smush() <wand.image.BaseImage.smush>` method.
• Added :meth:`Image.sparse_color() <wand.image.BaseImage.sparse_color>` method.
• Added :meth:`Image.splice() <wand.image.BaseImage.splice>` method.
• Added :meth:`Image.spread() <wand.image.BaseImage.spread>` method.
• Added :attr:`Image.standard_deviation <wand.image.BaseImage.standard_deviation>` property.
• Added :meth:`Image.statistic() <wand.image.BaseImage.statistic>` method.
• Added :meth:`Image.tint() <wand.image.BaseImage.tint>` method.

Special thanks to Fred Weinhaus for helping test this release.

Version 0.5.2

Released on March 24, 2019.

• Import :mod:`collections.abc` explicitly. [:issue:`398` by Stefan Naumann]
• Fixed memory leak in :class:`~wand.image.HistogramDict`. [:issue:`397`]
• Fixed compression & compression quality bug. [:issue:`202` & :issue:`278`]
• :meth:`Image.read() <wand.image.Image.read>` will raise :class:`~wand.exceptions.WandRuntimeError` if :c:func:`MagickReadImage` returns :c:type:`MagickFalse`, but does not emit exception. [:issue:`319`]
• Added :meth:`Image.implode() <wand.image.BaseImage.implode>` method.
• Added :meth:`Image.vignette() <wand.image.BaseImage.vignette>` method.
• Added :meth:`Image.wave() <wand.image.BaseImage.wave>` method.
• Added :meth:`Image.white_threshold() <wand.image.BaseImage.white_threshold>` method.
• Added :attr:`Image.blue_primary <wand.image.BaseImage.blue_primary>` property.
• Added :attr:`Image.green_primary <wand.image.BaseImage.green_primary>` property.
• Added :attr:`Image.interlace_scheme <wand.image.BaseImage.interlace_scheme>` property.
• Added :attr:`Image.interpolate_method <wand.image.BaseImage.interpolate_method>` property.
• Added :attr:`Image.red_primary <wand.image.BaseImage.red_primary>` property.
• Added :attr:`Image.white_point <wand.image.BaseImage.white_point>` property.

Version 0.5.1

Released on February 15, 2019.

• Added set pixel color via Image[x, y] = Color('...'). [:issue:`105`]
• Added :class:`limits <wand.resource.ResourceLimits>` helper dictionary to allows getting / setting ImageMagick's resource-limit policies. [:issue:`97`]
• Fixed segmentation violation for win32 & ImageMagick-7. [:issue:`389`]
• Fixed AssertError by moving :attr:`~wand.sequence.SingleImage` sync behavior from destroy to context __exit__. [:issue:`388`]
• Fixed memory leak in :attr:`~wand.drawing.Drawing.get_font_metrics`. [:issue:`390`]
• Added property setters for :class:`~wand.color.Color` attributes.
• Added :attr:`~wand.color.Color.cyan`, :attr:`~wand.color.Color.magenta`, :attr:`~wand.color.Color.yellow`, & :attr:`~wand.color.Color.black` properties for CMYK :class:`~wand.color.Color` instances.
• :class:`~wand.color.Color` instance can be created from HSL values with :meth:`~wand.color.Color.from_hsl()` class method.
• Added :attr:`Image.compose <wand.image.BaseImage.compose>` property for identifying layer visibility.
• Added :attr:`Image.profiles <wand.image.ProfileDict>` dictionary attribute. [:issue:`249`]
• Moved :mod:`collections.abc` to :attr:`wand.compat.abc` for Python-3.8. [:issue:`394` by Tero Vuotila]
• Update :mod:`wand.display` to use Python3 compatible :func:`print()` function. [:issue:`395` by Tero Vuotila]

Version 0.5.0

Released on January 1, 2019.

• Support for ImageMagick-7.

• Improved support for 32-bit systems.

• Improved support for non-Q16 libraries.

• Removed README.rst from setup.py's data_files. [:issue:`336`]

• Improved EXIF:ORIENTATION handling. [:issue:`364` by M. Skrzypek]

• Tolerate failures while accessing wand.api. [:issue:`220` by Utkarsh Upadhyay]

• Added support for Image Artifacts through :attr:`Image.artifacts <wand.image.Image.artifacts>`. [:issue:`369`]

• Added optional stroke color/width parameters for :class:`Font <wand.font.Font>`.

• Image layers support (:issue:`22`)

  • Added :meth:`Image.coalesce() <wand.image.BaseImage.coalesce>` method.
  • Added :meth:`Image.deconstruct <wand.image.BaseImage.deconstruct>` method.
  • Added :attr:`Image.dispose <wand.image.BaseImage.dispose>` property.
  • Added :meth:`Image.optimize_layers() <wand.image.BaseImage.optimize_layers>` method.
  • Added :meth:`Image.optimize_transparency() <wand.image.BaseImage.optimize_transparency>` method.

• Implemented :meth:`__array_interface__` for NumPy [:issue:`65`]

• Migrated the following methods & attributes from :class:`Image <wand.image.Image>` to :class:`BaseImage <wand.image.BaseImage>` for a more uniformed code-base.

  • :attr:`Image.compression <wand.image.BaseImage.compression>`
  • :attr:`Image.format <wand.image.BaseImage.format>`
  • :meth:`Image.auto_orient() <wand.image.BaseImage.auto_orient>`
  • :meth:`Image.border() <wand.image.BaseImage.border>`
  • :meth:`Image.contrast_stretch() <wand.image.BaseImage.contrast_stretch>`
  • :meth:`Image.gamma() <wand.image.BaseImage.gamma>`
  • :meth:`Image.level() <wand.image.BaseImage.level>`
  • :meth:`Image.linear_stretch() <wand.image.BaseImage.linear_stretch>`
  • :meth:`Image.normalize() <wand.image.BaseImage.normalize>`
  • :meth:`Image.strip() <wand.image.BaseImage.strip>`
  • :meth:`Image.transpose() <wand.image.BaseImage.transpose>`
  • :meth:`Image.transverse() <wand.image.BaseImage.transverse>`
  • :meth:`Image.trim() <wand.image.BaseImage.trim>`

• Added :meth:`Image.clut() <wand.image.BaseImage.clut>` method.

• Added :meth:`Image.concat() <wand.image.BaseImage.concat>` method. [:issue:`177`]

• Added :meth:`Image.deskew() <wand.image.BaseImage.deskew>` method.

• Added :meth:`Image.despeckle() <wand.image.BaseImage.despeckle>` method.

• Added :meth:`Image.edge() <wand.image.BaseImage.edge>` method.

• Added :meth:`Image.emboss() <wand.image.BaseImage.emboss>` method. [:issue:`196`]

• Added :meth:`Image.enhance() <wand.image.BaseImage.enhance>` method. [:issue:`132`]

• Added :meth:`Image.export_pixels() <wand.image.BaseImage.export_pixels>` method.

• Added :meth:`Image.import_pixels() <wand.image.BaseImage.import_pixels>` method.

• Added :meth:`Image.morphology() <wand.image.BaseImage.morphology>` method. [:issue:`132`]

• Added :meth:`Image.posterize() <wand.image.BaseImage.posterize>` method.

• Added :meth:`Image.shade() <wand.image.BaseImage.shade>` method.

• Added :meth:`Image.shadow() <wand.image.BaseImage.shadow>` method.

• Added :meth:`Image.sharpen() <wand.image.BaseImage.sharpen>` method. [:issue:`132`]

• Added :meth:`Image.shave() <wand.image.BaseImage.shave>` method.

• Added :meth:`Image.unique_colors() <wand.image.BaseImage.unique_colors>` method.

• Method :meth:`Drawing.draw() <wand.drawing.Drawing.draw>` now accepts :class:`BaseImage <wand.image.BaseImage>` for folks extended classes.

• Added :attr:`Image.loop <wand.image.BaseImage.loop>` property. [:issue:`227`]

• Fixed :attr:`SingleImage.delay <wand.sequence.SingleImage.delay>` property. [:issue:`153`]

• Attribute :attr:`Image.font_antialias <wand.image.BaseImage.font_antialias>` has been deprecated in favor of :attr:`Image.antialias <wand.image.BaseImage.antialias>`. [:issue:`218`]

• Fixed ordering of :const:`COMPRESSION_TYPES <wand.image.COMPRESSION_TYPES>` based on ImageMagick version. [:issue:`309`]

• Fixed drawing on :class:`SingleImage <wand.sequence.SingleImage>`. [:issue:`289`]

• Fixed wrapping issue for larger offsets when using gravity kwarg in :meth:`Image.crop() <wand.image.BaseImage.crop>` method. [:issue:`367`]

0.4 series

Version 0.4.5

Released on November 12, 2018.

• Improve library searching when MAGICK_HOME environment variable is set. [:issue:`320` by Chase Anderson]
• Fixed misleading TypeError: object of type 'NoneType' has no len() during destroy routines. [:issue:`346` by Carey Metcalfe]
• Added :meth:`Image.blur() <wand.image.BaseImage.blur>` method (:c:func:`MagickBlurImage()`). [:issue:`311` by Alexander Karpinsky]
• Added :meth:`Image.extent() <wand.image.BaseImage.extent>` method (:c:func:`MagickExtentImage()`). [:issue:`233` by Jae-Myoung Yu]
• Added :meth:`Image.resample() <wand.image.BaseImage.resample>` method (:c:func:`MagickResampleImage()`). [:issue:`244` by Zio Tibia]

Version 0.4.4

Released on October 22, 2016.

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

Version 0.4.3

Released on June 1, 2016.

• Fixed :func:`repr()` for empty :class:`~.wand.image.Image` objects. [:issue:`265`]
• Added :meth:`Image.compare() <wand.image.BaseImage.compare>` method (:c:func:`MagickCompareImages()`). [:issue:`238`, :issue:`268` by Gyusun Yeom]
• Added :meth:`Image.page <wand.image.BaseImage.page>` and related properties for virtual canvas handling. [:issue:`284` by Dan Harrison]
• Added :meth:`Image.merge_layers() <wand.image.BaseImage.merge_layers>` method (:c:func:`MagickMergeImageLayers()`). [:issue:`281` by Dan Harrison]
• Fixed :exc:`OSError` during import :file:`libc.dylib` due to El Capitan's SIP protection. [:issue:`275` by Ramesh Dharan]

Version 0.4.2

Released on November 30, 2015.

• Fixed :exc:`ImportError` on MSYS2. [:issue:`257` by Eon Jeong]
• Added :meth:`Image.quantize() <wand.image.BaseImage.quantize>` method (:c:func:`MagickQuantizeImage()`). [:issue:`152` by Kang Hyojun, :issue:`262` by Jeong YunWon]
• Added :meth:`Image.transform_colorspace() <wand.image.BaseImage.transform_colorspace>` quantize (:c:func:`MagickTransformImageColorspace()`). [:issue:`152` by Adrian Jung, :issue:`262` by Jeong YunWon]
• Now ImageMagick DLL can be loaded on Windows even if its location is stored in the registry. [:issue:`261` by Roeland Schoukens]
• Added depth parameter to :class:`~.wand.image.Image` constructor. The depth, width and height parameters can be used with the filename, file and blob parameters to load raw pixel data. [:issue:`261` by Roeland Schoukens]

Version 0.4.1

Released on August 3, 2015.

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

Version 0.4.0

Released on February 20, 2015.

.. seealso::

   :doc:`whatsnew/0.4`
      This guide introduces what's new in Wand 0.4.

• Complete :mod:`wand.drawing` API. The whole work was done by Eric McConville. Huge thanks for his effort! [:issue:`194` by Eric McConville]
  • Added :meth:`Drawing.arc() <wand.drawing.Drawing.arc>` method (:ref:`draw-arc`).
  • Added :meth:`Drawing.bezier() <wand.drawing.Drawing.bezier>` method (:ref:`draw-bezier`).
  • Added :meth:`Drawing.circle() <wand.drawing.Drawing.circle>` method (:ref:`draw-circle`).
  • :ref:`draw-color-and-matte`
    • Added :const:`wand.drawing.PAINT_METHOD_TYPES` constant.
    • Added :meth:`Drawing.color() <wand.drawing.Drawing.color>` method.
    • Added :meth:`Drawing matte() <wand.drawing.Drawing.matte>` method.
  • Added :meth:`Drawing.composite() <wand.drawing.Drawing.composite>` method (:ref:`draw-composite`).
  • Added :meth:`Drawing.ellipse() <wand.drawing.Drawing.ellipse>` method (:ref:`draw-ellipse`).
  • :ref:`draw-paths`
    • Added :meth:`~wand.drawing.Drawing.path_start()` method.
    • Added :meth:`~wand.drawing.Drawing.path_finish()` method.
    • Added :meth:`~wand.drawing.Drawing.path_close()` method.
    • Added :meth:`~wand.drawing.Drawing.path_curve()` method.
    • Added :meth:`~wand.drawing.Drawing.path_curve_to_quadratic_bezier()` method.
    • Added :meth:`~wand.drawing.Drawing.path_elliptic_arc()` method.
    • Added :meth:`~wand.drawing.Drawing.path_horizontal_line()` method.
    • Added :meth:`~wand.drawing.Drawing.path_line()` method.
    • Added :meth:`~wand.drawing.Drawing.path_move()` method.
    • Added :meth:`~wand.drawing.Drawing.path_vertical_line()` method.
  • Added :meth:`Drawing.point() <wand.drawing.Drawing.point>` method (:ref:`draw-point`).
  • Added :meth:`Drawing.polygon() <wand.drawing.Drawing.polygon>` method (:ref:`draw-polygon`).
  • Added :meth:`Drawing.polyline() <wand.drawing.Drawing.polyline>` method (:ref:`draw-polyline`).
  • :ref:`draw-push-pop`
    • Added :meth:`~wand.drawing.Drawing.push()` method.
    • Added :meth:`~wand.drawing.Drawing.push_clip_path()` method.
    • Added :meth:`~wand.drawing.Drawing.push_defs()` method.
    • Added :meth:`~wand.drawing.Drawing.push_pattern()` method.
    • Added :attr:`~wand.drawing.Drawing.clip_path` property.
    • Added :meth:`~wand.drawing.Drawing.set_fill_pattern_url()` method.
    • Added :meth:`~wand.drawing.Drawing.set_stroke_pattern_url()` method.
    • Added :meth:`~wand.drawing.Drawing.pop()` method.
  • Added :meth:`Drawing.rectangle() <wand.drawing.Drawing.rectangle>` method (:ref:`draw-rectangles`).
  • Added :attr:`~wand.drawing.Drawing.stroke_dash_array` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_dash_offset` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_line_cap` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_line_join` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_miter_limit` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_opacity` property.
  • Added :attr:`~wand.drawing.Drawing.stroke_width` property.
  • Added :attr:`~wand.drawing.Drawing.fill_opacity` property.
  • Added :attr:`~wand.drawing.Drawing.fill_rule` property.
• Error message of :exc:`~wand.exceptions.MissingDelegateError` raised by :meth:`Image.liquid_rescale() <wand.image.BaseImage.liquid_rescale>` became nicer.

0.3 series

Version 0.3.9

Released on December 20, 2014.

• Added 'pdf:use-cropbox' option to :attr:`Image.options <wand.image.BaseImage.options>` dictionary (and :const:`~wand.image.OPTIONS` constant). [:issue:`185` by Christoph Neuroth]
• Fixed a bug that exception message was :class:`bytes` instead of :class:`str` on Python 3.
• The size parameter of :class:`~wand.font.Font` class becomes optional. Its default value is 0, which means autosized. [:issue:`191` by Cha, Hojeong]
• Fixed a bug that :meth:`Image.read() <wand.image.Image.read>` had tried using :c:func:`MagickReadImageFile()` even when the given file object has no :attr:`mode` attribute. [:issue:`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. [:issue:`184`]
• Added :meth:`Image.negate() <wand.image.BaseImage.negate>` method. [:issue:`174` by Park Joon-Kyu]
• Fixed a segmentation fault on :meth:`Image.modulate() <wand.image.BaseImage.modulate>` method. [:issue:`173` by Ted Fung, :issue:`158`]
• Added suggestion to install freetype also if Homebrew is used. [:issue:`141`]
• Now :mimetype:`image/x-gif` also is determined as :attr:`animation`. [:issue:`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 :meth:`Drawing.rectangle() <wand.drawing.Drawing.rectangle>` method. :ref:`Now you can draw rectangles. <draw-rectangles>` [:issue:`159`]
• Added :attr:`Image.compression <wand.image.BaseImage.compression>` property. [:issue:`171`]
• Added :func:`contextlib.nested()` function to :mod:`wand.compat` module.
• Fixed :exc:`UnicodeEncodeError` when :meth:`Drawing.text() <wand.drawing.Drawing.text>` method gives Unicode text argument in Python 2. [:issue:`163`]
• Now it now allows to use Wand when Python is invoked with the -OO flag. [:issue:`169` by Samuel Maudo]

Version 0.3.5

Released on September 13, 2013.

• Fix segmentation fault on :meth:`Image.save() <wand.image.Image.save>` method. [:issue:`150`]

Version 0.3.4

Released on September 9, 2013.

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

Version 0.3.3

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

• Added :meth:`Image.gaussian_blur() <wand.image.BaseImage.gaussian_blur>` method.
• Added :attr:`Drawing.stroke_color <wand.drawing.Drawing.stroke_color>` property. [:issue:`129` by Zeray Rice]
• Added :attr:`Drawing.stroke_width <wand.drawing.Drawing.stroke_width>` property. [:issue:`130` by Zeray Rice]
• Fixed a memory leak of :class:`~wand.color.Color` class. [:issue:`127` by Wieland Morgenstern]
• Fixed a bug that :meth:`Image.save() <wand.image.Image.save>` to stream truncates data. [:issue:`128` by Michael Allen]
• Fixed broken :func:`~wand.display.display()` on Python 3. [:issue:`126`]

Version 0.3.2

Released on July 11, 2013.

• Fixed incorrect encoding of filenames. [:issue:`122`]
• Fixed key type of :attr:`Image.metadata <wand.image.Image.metadata>` dictionary to :class:`str` from :class:`bytes` in Python 3.
• Fixed CentOS compatibility [:issue:`116`, :issue:`124` by Pierre Vanliefland]
  • Made :c:func:`DrawSetTextInterlineSpacing()` and :c:func:`DrawGetTextInterlineSpacing()` optional.
  • Added exception in drawing API when trying to use :c:func:`DrawSetTextInterlineSpacing()` and :c:func:`DrawGetTextInterlineSpacing()` functions when they are not available.
  • Added :exc:`~wand.exceptions.WandLibraryVersionError` class for library versions issues.

Version 0.3.1

Released on June 23, 2013.

• Fixed :exc:`~exceptions.ImportError` on Windows.

Version 0.3.0

Released on June 17, 2013.

.. seealso::

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

0.2 series

Version 0.2.4

Released on May 28, 2013.

• Fix :exc:`~exceptions.NameError` in :attr:`Resource.resource <wand.resource.Resource.resource>` setter. [:issue:`89` forwarded from Debian bug report #699064 by Jakub Wilk]
• Fix the problem of library loading for Mac with Homebrew and Arch Linux. [:issue:`102` by Roel Gerrits, :issue:`44`]

Version 0.2.3

Released on January 25, 2013.

• Fixed a bug that :meth:`Image.transparentize() <wand.image.BaseImage.transparentize>` method (and :meth:`Image.watermark() <wand.image.BaseImage.watermark>` method which internally uses it) didn't work.
• Fixed segmentation fault occurred when :attr:`Color.red <wand.color.Color.red>`, :attr:`Color.green <wand.color.Color.green>`, or :attr:`Color.blue <wand.color.Color.blue>` is accessed.
• Added :attr:`Color.alpha <wand.color.Color.alpha>` property.
• Fixed a bug that format converting using :attr:`Image.format <wand.image.BaseImage.format>` property or :meth:`Image.convert() <wand.image.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 :class:`~wand.image.Image` can be instantiated without any opening. Instead, it can take width/height and background. [:issue:`53` by Michael Elovskikh]
• Added :meth:`Image.transform() <wand.image.BaseImage.transform>` method which is a convenience method accepting geometry strings to perform cropping and resizing. [:issue:`50` by Mitch Lindgren]
• Added :attr:`Image.units <wand.image.BaseImage.units>` property. [:issue:`45` by Piotr Florczyk]
• Now :meth:`Image.resize() <wand.image.BaseImage.resize>` method raises a proper error when it fails for any reason. [:issue:`41` by Piotr Florczyk]
• Added :attr:`Image.type <wand.image.BaseImage.type>` property. [:issue:`33` by Yauhen Yakimovich, :issue:`42` by Piotr Florczyk]

Version 0.2.1

Released on August 19, 2012. Beta version.

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

Version 0.2.0

Released on June 20, 2012. Alpha version.

• Added :meth:`Image.transparentize() <wand.image.BaseImage.transparentize>` method. [:issue:`19` by Jeremy Axmacher]
• Added :meth:`Image.composite() <wand.image.BaseImage.composite>` method. [:issue:`19` by Jeremy Axmacher]
• Added :meth:`Image.watermark() <wand.image.BaseImage.watermark>` method. [:issue:`19` by Jeremy Axmacher]
• Added :attr:`Image.quantum_range <wand.image.BaseImage.quantum_range>` property. [:issue:`19` by Jeremy Axmacher]
• Added :meth:`Image.reset_coords() <wand.image.BaseImage.reset_coords>` method and reset_coords option to :meth:`Image.rotate() <wand.image.BaseImage.rotate>` method. [:issue:`20` by Juan Pablo Scaletti]
• Added :meth:`Image.strip() <wand.image.BaseImage.strip>` method. [:issue:`23` by Dmitry Vukolov]
• Added :attr:`Image.compression_quality <wand.image.BaseImage.compression_quality>` property. [:issue:`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. [:issue:`14` by John Simon]
• Added :data:`wand.api.libmagick`.
• Fixed a bug that raises :exc:`~exceptions.AttributeError` when it's trying to warn. [:issue:`16` by Tim Dettrick]
• Now it throws :exc:`~exceptions.ImportError` instead of :exc:`~exceptions.AttributeError` when the shared library fails to load. [:issue:`17` by Kieran Spear]
• Fixed the example usage on index page of the documentation. [:issue:`18` by Jeremy Axmacher]

Version 0.1.9

Released on December 23, 2011. Still alpha version.

• Now :const:`wand.version.VERSION_INFO` becomes :class:`tuple` and :const:`wand.version.VERSION` becomes a string.
• Added :attr:`Image.background_color <wand.image.BaseImage.background_color>` property.
• Added == operator for :class:`~wand.image.Image` type.
• Added :func:`hash()` support of :class:`~wand.image.Image` type.
• Added :attr:`Image.signature <wand.image.BaseImage.signature>` property.
• Added :mod:`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: :doc:`guide/read`, :doc:`guide/write` and :doc:`guide/resizecrop`.
• Added :meth:`Image.rotate() <wand.image.BaseImage.rotate>` method for in-place rotation.
• Made :meth:`Image.crop() <wand.image.BaseImage.crop>` to raise proper :exc:`ValueError` instead of :exc:`IndexError` for invalid width/height arguments.
• Changed the type of :meth:`Image.resize() <wand.image.BaseImage.resize()>` method's blur parameter from :class:`numbers.Rational` to :class:`numbers.Real`.
• Fixed a bug of raising :exc:`~exceptions.ValueError` when invalid filter has passed to :meth:`Image.resize() <wand.image.BaseImage.resize>` method.

Version 0.1.7

Released on November 10, 2011. Still alpha version.

• Added :attr:`Image.mimetype <wand.image.Image.mimetype>` property.
• Added :meth:`Image.crop() <wand.image.BaseImage.crop>` method for in-place crop.

Version 0.1.6

Released on October 31, 2011. Still alpha version.

• Removed a side effect of :class:`Image.make_blob() <wand.image.Image.make_blob>` method that changes the image format silently.
• Added :attr:`Image.format <wand.image.BaseImage.format>` property.
• Added :meth:`Image.convert() <wand.image.Image.convert>` method.
• Fixed a bug about Python 2.6 compatibility.
• Use the internal representation of :c:type:`PixelWand` instead of the string representation for :class:`~wand.color.Color` type.

Version 0.1.5

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

• Now :class:`~wand.image.Image` can read Python file objects by file keyword argument.
• Now :class:`Image.save() <wand.image.Image.save>` method can write into Python file objects by file keyword argument.
• :class:`Image.make_blob() <wand.image.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 :class:`~wand.image.Image`.
• Row getter for :class:`~wand.image.Image`.
• Mac compatibility.
• Windows compatibility.
• 64-bit processor compatibility.

Version 0.1.2

Released on October 16, 2011. Still alpha version.

• :class:`~wand.image.Image` implements iterable interface.
• Added :mod:`wand.color` module.
• Added the abstract base class of all Wand resource objects: :class:`wand.resource.Resource`.
• :class:`~wand.image.Image` implements slicing.
• Cropping :class:`~wand.image.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 :meth:`Image.make_blob() <wand.image.Image.make_blob>` method.
• Added blob parameter into :class:`~wand.image.Image` constructor.
• Added :meth:`Image.resize() <wand.image.BaseImage.resize>` method.
• Added :meth:`Image.save() <wand.image.Image.save>` method.
• Added :meth:`Image.clone() <wand.image.BaseImage.clone>` method.
• Drew the pretty logo picture (thanks to Hyojin Choi).

Version 0.1.0

Released on October 1, 2011. Very alpha version.