Wand Changelog

0.7 series

Version 0.7.0

Unreleased.

• Added Image.affine() method.

• Added Image.bilateral_blur() method.

• Added Image.evaluate_images() method.

• Added Image.floodfill() method.

• Added Image.morph() method.

• Fixed Image.quantize() behavior by switching default value of colorspace_type from None to "undefined". [#644]

• Fixed Image.liquid_rescale() behavior by switching default value of delta_x from 0 to 1. [#653]

• Fixed Image.sparse_color()’s colors argument structure to allow multiple (x, y) points with the same color value.

• [TEST] Added Python 3.12 regression test. [#648 by Thijs Triemstra]

0.6 series

Version 0.6.13

Released on November 3rd, 2023.

• Removed broken pyproject.toml file from source distribution.

Version 0.6.12

Released on November 3rd, 2023.

• Fixed behavior when passing zero to Image.chop(). [#622]

• Fixed libmagick yield MagickCore library on Linux. [#612]

• Fixed removing mask when passing None to Image.write_mask() method. [#636]

• Added new COMPOSITE_OPERATORS operators. [#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 Image.convert(), and Image.make_blob() methods. [#594]

• Fixed storage type size for “long” & “quantum” values in Image.export_pixels() and Image.import_pixels() methods. [#596]

• Added filter parameter to Image.distort() method.

• [TEST] Added Python 3.11 to regression tests for github actions.

• [TEST] Replaced py.path fixtures with pythlib. [!607 & #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. [#587]

• Fixed additional segmentation faults introduced with ImageMagick 7.1.0-45. [#587 & #586]

Version 0.6.9

Released on August 3rd, 2022.

• Updated Image.fx() method to raise WandRuntimeError if ImageMagick is unable to generate an image. [#582]

• Fixed Image.from_array() classmethod to handle Numpy’s strided arrays. [#582]

• Fixed segmentation fault introduced with ImageMagick 7.1.0-45. [#586]

Version 0.6.8

Released on July 16th, 2022.

• Added Image.label() method.

• Added Image.region() method.

• Updated Image.chop() method to support gravity keyword.

• Updated Image.extent() method to support gravity keyword. [#554]

• Added .so.9 shared library suffix to wand.api.library_paths() generator when searching MAGICK_HOME path.

• Added QUANTUM_SCALE constant.

• Added Image.montage() method. [#575]

• Added Image.roll() method.

• Fixed returned values for Image.connected_components() method for ImageMagick 7.1.1. [#574]

• Fixed MagickSetImageDepth() C-API method signature. [#577 by Pavel Borzenkov]

• Fixed Image.encipher() method to call the correct API. [#578 by Pavel Borzenkov]

• [DOC] Improved FontMetrics documentation. [#566]

• [TEST] Migrated CI from travis-ci.org to travis-ci.com.

• [TEST] Removed unneeded SVG dependency from regression test.

• [TEST] Suppressed 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 Image.image_add() method.

• Added Image.image_get() method.

• Added Image.image_remove() method.

• Added Image.image_set() method.

• Added Image.image_swap() method.

• Fixed sub-image extraction on read. [#532]

• Fixed background_color attribute when image was not read.

• [DOC] Completed Distortion guide. [#534]

• [DOC] Added Morphology guide.

Version 0.6.6

Released on February 28th, 2021.

• Added Image.get_image_distortion() method.

• Fixed QuantumType allocation for 32-bit architectures using HDRI. [#518]

• Fixed MagickSizeType allocation for ResourceLimits.set_resource_limit() and segfault with armv7l architecture. [#520]

• Fixed Color deallocation error on 32-bit architectures.

• Deprecated wand.color.scale_quantum_to_int8()

• [TEST] Deprecated PDF format from test assets.

• [TEST] Deprecated Drawing test fx_wand fixture to improve parallel CI testing.

• [TEST] Marked all ImageMagick-7 features skipped when running test suite with ImageMagick-6. [#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. [#510]

• [TEST] Added Python 3.9 into Github regression tests. [#513 by Thijs Triemstra]

Version 0.6.4

Released on November 21st, 2020.

• Fixed MagickFloatType mapping for s390x architecture. [#504 & #505]

• Fixed image order when calling wand.sequence.Sequence.__setitem__() method. [#506]

• Fixed Image.gaussian_blur() method with channel parameter. [#507]

• Added Image.color_threshold() method.

• Added Image.convex_hull() method. Requires ImageMagick-7.0.10 or above.

• Added Image.kmeans() method. Only available with ImageMagick-7.0.10-37 or later.

• Added Image.minimum_bounding_box() method. Requires ImageMagick-7.0.10 or above;

• Added Image.white_balance() method. Only available with ImageMagick-7.0.10-37 or later.

• Added percent_background & background_color parameters to Image.trim() method.

• Added the following arguments to Image.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 Image.evaluate() method.

• Added 'rigidaffine' operator to Image.distort() method. Requires ImageMagick-7.0.10 or above.

• Added PAPERSIZE_MAP dict as a convenience lookup table.

• Added support for setting Image.page attribute with papersizes defined in PAPERSIZE_MAP.

• [DOC] Created Threshold guide.

• [DOC] Created Quantize guide.

Version 0.6.3

Released on September 14th, 2020.

• Fixed buffer overflow bug in Image.connected_components() method. [#496]

• Added Image.data_url() method. [#489]

• Added Image.sampling_factors property. [#491]

• Added Image.encipher() & Image.decipher() methods.

• Argument fuzz for Image.transparent_color() now accepts numbers.Real numbers.

• Uniformed additional pre-read parameters between Image.__init__() & Image.read().

Version 0.6.2

Released on July 6th, 2020.

• Added aspect cropping support for Image.transform() method.

• Added iterator methods to directly navigate the internal image-stack.

  • Image.iterator_first()

  • Image.iterator_get()

  • Image.iterator_last()

  • Image.iterator_length()

  • Image.iterator_next()

  • Image.iterator_previous()

  • Image.iterator_reset()

  • Image.iterator_set()

• Added gray & cmyk support for Numpy’s array interface.

• Fixed display() on Windows & MacOS when previewing MIFF & XC formats.

• Fixed memory leak in Image.transform() for ImageMagick-6.

• Fixed animation preservation with Image.transform() method. [#251]

• Fixed Image.interlace_scheme property. [#488]

• [DOC] Make the documentation reproducible. [#484 by Chris Lamb]

Version 0.6.1

Released on May 15th, 2020.

• Fixed RuntimeError on deallocation when allocation_map changes. [#482 by Louis Sautier]

Version 0.6.0

Released on May 14th, 2020.

• Updated numpy array interface methods to accept / generate shape data values as rows, columns, and channels. This change should match other python-image numpy integrations. [#447]

• Added adjoin= argument to Image.save() method.

• Added reset_coords= argument to Image.trim() method. [#472 ]

• Added support for atexit’s shutdown routine. [#248 & #361]

• Added Python 2 classifiers to MANIFEST.in. [#462 by Thijs Triemstra]

• Added both test-cases and documentation to source distribution packages. [#7, #479, #480]

• Removed README.rst from setup.py. [#460]

• Rewrote memory allocation manager. [#300 & #312]

• Fixed segfault on macOS when invoking resource limits without calling MagickWandGenesis().

• Fixed grayscalealpha spelling. [#463]

• Fixed Image.deskew() threshold argument. [#467]

• Fixed Image.alpha_channel property to apply changes to all images in the stack. [#468]

• Fixed Image.trim() paging offsets affected by 1x1 border. [#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 Image.quantize() method for ImageMagick-7.

• Added Image.combine() method. [Thanks Fred!]

• Check __fspath__ attribute for filename parameter when calling Image.save(). [#452]

• Fixed typo in ProfileDict documentation. [#450 by Thijs Triemstra]

• Fixed typo in Resource.c_is_resource documentation. [#448]

• Updated broken sentence in Image.thumbnail() method. [#446]

• Check for linux_distribution() as method was removed in Python 3.8. [#456]

• Added Image.delay property. Previously only available with SingleImage class.

Version 0.5.8

Released on December 5th, 2019.

• Check WAND_MAGICK_LIBRARY_SUFFIX for additional library suffixes. [#436]

• Fixed MagickCompareImagesLayers() loading for ImageMagick-6 [#439]

• Fixed incorrect color values for first 5 pixels when exporting to numpy.array [#442]

• Updated example in Image.annotate() docstring. [#441 by alexgv]

• Fixed Image.resolution property to return a tuple of float values. [#444]

• Improved pycache performance by explicitly defining all ImageMagick warnings & errors in wand.exceptions. Previously all ImageMagick exceptions were generated dynamically during run-time.

Version 0.5.7

Released on September 3rd, 2019.

• Added Image.color_decision_list() method.

• Added Image.contrast() method.

• Added Image.local_contrast() method.

• Added Image.ordered_dither() method.

• Added Image.random_threshold() method.

• Added Image.read_mask() method. [#433]

• Added Image.scale() method.

• Added Image.sepia_tone() method.

• Added Image.swirl() method.

• Added Image.write_mask() method. [#433]

• Converted positional to key-word arguments to allow default values & allow more consistent behavior with CLI operations for the following methods:

  • Image.blur()

  • Image.gaussian_blur()

  • Image.selective_blur()

  • Image.spread()

  • Image.unsharp_mask()

• Restored #320 fix. [Reported by #435]

• Added colorspace & units argument to 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 [#428]

• Fixed error on Drawing exception handling. [#427]

• Fixed undefined behavior when working with image frames in ImageMagick-7. [#431]

• Added Image.annotate() method. [#418]

• Added Image.level_colors() method.

• Added Image.levelize_colors() method.

• Added Image.parse_meta_geometry() method.

• Added Image.percent_escape() helper method. [#421]

• Added Image.ping() class method. [#425]

• Added mean_color, keep, & remove parameters in Image.connected_components() method.

Version 0.5.5

Released on July 8th, 2019.

• Rewrote Image.contrast_stretch() method to follow modern CLI behavior.

• Added Image.chop() method.

• Added Image.clahe() method.

• Added Image.features() method.

• Added Image.forward_fourier_transform() method.

• Added Image.inverse_fourier_transform() method.

• Added Image.magnify() method.

• Added channel parameter support for the following methods.

  • Image.adaptive_blur()

  • Image.adaptive_sharpen()

  • Image.blur()

  • Image.brightness_contrast()

  • Image.clamp()

  • Image.clut()

  • Image.equalize()

  • Image.gaussian_blur()

  • Image.hald_clut()

  • Image.noise()

  • Image.morphology()

  • Image.opaque_paint()

  • Image.selective_blur()

  • Image.sharpen()

  • Image.sigmoidal_contrast()

  • Image.solarize()

  • Image.statistic()

  • Image.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.

  • Image.auto_threshold()

  • Image.canny()

  • Image.complex()

  • Image.connected_components()

  • Image.hough_lines()

  • Image.kuwahara()

  • Image.levelize()

  • Image.mean_shift()

  • Image.polynomial()

  • Image.range_threshold()

  • Image.seed

  • Image.wavelet_denoise()

Version 0.5.4

Released on May 25th, 2019.

• Rewrote libc library loader. [#409]

• Respect background parameter in Image.__init__() constructor. [#410]

• Fixed Drawing.get_font_metrics() not raising internal ImageMagick exception on rendering error. [#411]

• Fixed deleting image artifact value.

• Fixed offset memory calculation in Image.export_pixels() & Image.import_pixels() methods. [#413]

• Added Image.auto_gamma() method.

• Added Image.auto_level() method.

• Added Image.border_color property.

• Added Image.brightness_contrast() method.

• Added Image.mode() method.

• Added Image.motion_blur() method.

• Added Image.oil_paint() method.

• Added Image.opaque_paint() method.

• Added Image.polaroid() method.

• Added Image.rendering_intent property.

• Added Image.rotational_blur() method.

• Added Image.scene property.

• Added Image.shear() method.

• Added Image.sigmoidal_contrast() method.

• Added Image.similarity() method.

• Added Image.stegano() method.

• Added Image.stereogram() class method.

• Added Image.texture() method.

• Added Image.thumbnail() method. [#357 by yoch]

• Added Image.ticks_per_second property.

Version 0.5.3

Released on April 20, 2019.

• Fixed alpha channel set to “on” & “off” values for ImageMagick-7. [#404]

• Updated Image.composite & Image.composite_channel to include optional arguments for composite methods that require extra controls.

• Updated Image.composite & Image.composite_channel to include optional gravity argument.

• Support for numpy arrays. [#65]

  • Added Image.from_array class method.

• Support color map / palette manipulation. [#403]

  • Added Image.colors property.

  • Added Image.color_map() method.

  • Added Image.cycle_color_map() method.

• Support for highlight & lowlight has been added to Image.compare() method.

• Support for PEP-519 for objects implementing __fspath__, in encode_filename().

• Added Image.adaptive_blur() method.

• Added Image.adaptive_resize() method.

• Added Image.adaptive_sharpen() method.

• Added Image.adaptive_threshold() method.

• Added Image.black_threshold() method.

• Added Image.blue_shift() method.

• Added Image.charcoal() method.

• Added Image.color_matrix() method.

• Added Image.colorize() method.

• Added Image.fuzz property.

• Added Image.kurtosis property.

• Added Image.kurtosis_channel() method

• Added Image.maxima property.

• Added Image.mean property.

• Added Image.mean_channel() method

• Added Image.minima property.

• Added Image.noise() method.

• Added Image.range_channel() method

• Added Image.remap() method.

• Added Image.selective_blur() method.

• Added Image.skewness property.

• Added Image.sketch() method.

• Added Image.smush() method.

• Added Image.sparse_color() method.

• Added Image.splice() method.

• Added Image.spread() method.

• Added Image.standard_deviation property.

• Added Image.statistic() method.

• Added Image.tint() method.

Special thanks to Fred Weinhaus for helping test this release.

Version 0.5.2

Released on March 24, 2019.

• Import collections.abc explicitly. [#398 by Stefan Naumann]

• Fixed memory leak in HistogramDict. [#397]

• Fixed compression & compression quality bug. [#202 & #278]

• Image.read() will raise WandRuntimeError if MagickReadImage() returns MagickFalse, but does not emit exception. [#319]

• Added Image.implode() method.

• Added Image.vignette() method.

• Added Image.wave() method.

• Added Image.white_threshold() method.

• Added Image.blue_primary property.

• Added Image.green_primary property.

• Added Image.interlace_scheme property.

• Added Image.interpolate_method property.

• Added Image.red_primary property.

• Added Image.white_point property.

Version 0.5.1

Released on February 15, 2019.

• Added set pixel color via Image[x, y] = Color(’…’). [#105]

• Added limits helper dictionary to allows getting / setting ImageMagick’s resource-limit policies. [#97]

• Fixed segmentation violation for win32 & ImageMagick-7. [#389]

• Fixed AssertError by moving SingleImage sync behavior from destroy to context __exit__. [#388]

• Fixed memory leak in get_font_metrics. [#390]

• Added property setters for Color attributes.

• Added cyan, magenta, yellow, & black properties for CMYK Color instances.

• Color instance can be created from HSL values with from_hsl() class method.

• Added Image.compose property for identifying layer visibility.

• Added Image.profiles dictionary attribute. [#249]

• Moved collections.abc to wand.compat.abc for Python-3.8. [#394 by Tero Vuotila]

• Update wand.display to use Python3 compatible print() function. [#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. [#336]

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

• Tolerate failures while accessing wand.api. [#220 by Utkarsh Upadhyay]

• Added support for Image Artifacts through Image.artifacts. [#369]

• Added optional stroke color/width parameters for Font.

• Image layers support (#22)

  • Added Image.coalesce() method.

  • Added Image.deconstruct method.

  • Added Image.dispose property.

  • Added Image.optimize_layers() method.

  • Added Image.optimize_transparency() method.

• Implemented __array_interface__() for NumPy [#65]

• Migrated the following methods & attributes from Image to BaseImage for a more uniformed code-base.

  • Image.compression

  • Image.format

  • Image.auto_orient()

  • Image.border()

  • Image.contrast_stretch()

  • Image.gamma()

  • Image.level()

  • Image.linear_stretch()

  • Image.normalize()

  • Image.strip()

  • Image.transpose()

  • Image.transverse()

  • Image.trim()

• Added Image.clut() method.

• Added Image.concat() method. [#177]

• Added Image.deskew() method.

• Added Image.despeckle() method.

• Added Image.edge() method.

• Added Image.emboss() method. [#196]

• Added Image.enhance() method. [#132]

• Added Image.export_pixels() method.

• Added Image.import_pixels() method.

• Added Image.morphology() method. [#132]

• Added Image.posterize() method.

• Added Image.shade() method.

• Added Image.shadow() method.

• Added Image.sharpen() method. [#132]

• Added Image.shave() method.

• Added Image.unique_colors() method.

• Method Drawing.draw() now accepts BaseImage for folks extended classes.

• Added Image.loop property. [#227]

• Fixed SingleImage.delay property. [#153]

• Attribute Image.font_antialias has been deprecated in favor of Image.antialias. [#218]

• Fixed ordering of COMPRESSION_TYPES based on ImageMagick version. [#309]

• Fixed drawing on SingleImage. [#289]

• Fixed wrapping issue for larger offsets when using gravity kwarg in Image.crop() method. [#367]

0.4 series

Version 0.4.5

Released on November 12, 2018.

• Improve library searching when MAGICK_HOME environment variable is set. [#320 by Chase Anderson]

• Fixed misleading TypeError: object of type ‘NoneType’ has no len() during destroy routines. [#346 by Carey Metcalfe]

• Added Image.blur() method (MagickBlurImage()). [#311 by Alexander Karpinsky]

• Added Image.extent() method (MagickExtentImage()). [#233 by Jae-Myoung Yu]

• Added Image.resample() method (MagickResampleImage()). [#244 by Zio Tibia]

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 registry. [#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 forwarded 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 representation 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.

• Drew the pretty logo picture (thanks to Hyojin Choi).

Version 0.1.0

Released on October 1, 2011. Very alpha version.