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Change Log

All notable changes to this project are documented in this file. This project adheres to Semantic Versioning.

RMagick 2.16.0

  • Support ImageMagick 6.9+ - @ZipoKing

RMagick 2.15.4

  • Improved C extension building process - @u338steven

RMagick 2.15.3

  • Fixed ImageMagick version detection on Windows - @maisumakun

RMagick 2.15.2

  • GitHub repository moved back to github.com/rmagick/rmagick - @wurde, @vassilevsky

RMagick 2.15.1

  • Fix loop in linked list in ImageList methods => they no longer hang - @u338steven

RMagick 2.15.0

  • Ability to remove alpha channel - @ollie
  • C local variables guarded against GC to avoid segfaults - @u338steven
  • trace_proc protected with a mutex to avoid segfaults - @u338steven

RMagick 2.14.0

  • RMagick.rb moved to deprecated directory - @mockdeep
  • Better ImageMagick feature detection - @bf4
  • Prevent compilation failures if prefix is an empty string - @voxik
  • SplineInterpolatePixel preprocessor check removed - @joshk
  • Make error format a string literal - @mtasaka
  • Automatically set ARCHFLAGS on OS X - @u338steven
  • Fixed rmagick/version require failure - @u338steven
  • Fixed escaping of % in Draw#get_type_metrics - @mkluczny
  • Silence warnings on Ruby 2.2 when comparing Enums - @meanphil
  • Multiple test suite improvements - @mockdeep, @bf4
  • Ruby source code formatting with RuboCop - @vassilevsky

RMagick 2.13.4

  • Proof of concept for using pkg-config in place of Magick-config on debian based systems (#129) - @theschoolmaster
  • Changed Image#resample to calling ResampleImage (#127, related #29, #45) - @u338steven
  • Fixed #122: lib/RMagick.rb is overwritten by lib/rmagick.rb on case-insensitive systems (#124) - @u338steven
  • New class SolidFill in order to fill image with monochromatic background (#123) - @prijutme4ty
  • Quotes for correct path of font file (#121) - @markotom
  • Allow MagickCore6 from Magick-config (#120) - @chulkilee
  • Fixed: build error with ImageMagick 6.8.9 (when deprecated functions are excluded) (#112) - @u338steven
  • Fixed: related x_resolution, y_resolution (#102) - @u338steven
  • Lots of test fixes - @u338steven
  • Fix pixel hash test (#95) - @ioquatix
  • Fixed: build error on Windows Ruby x64 (with ImageMagick 6.8.0-10 / ImageMagick 6.8.7-7) (#94) - @u338steven

RMagick 2.13.3

  • Fix installation error on systems with HRDI enabled RMagick (#90) - @bricef

RMagick 2.13.2

  • Fixed issues preventing RMagick from working with version 6.8 or higher
  • Fixed issues preventing RMagick from working with ruby 1.9.3

RMagick 2.13.1

  • Fixed bug preventing RMagick from working with version 6.5.9 or higher

RMagick 2.13.0

  • Added Doxygen documentation, for automatic documentation
  • Fixed bug #27467, get RMagick to compile witH ImageMagick 6.5.7
  • Fixed bug #27607, switch Pixel#from_hsla and Pixel#to_hsla to use ranges 0-255 instead of 0-100 for saturation and lightness (range used by ImageMagick 6.5.6-5 and higher). Also added ability to specify all arguments to these functions as percentages (bug report by Arthur Chan).

RMagick 2.12.2

  • Add feature tests for SinusoidFunction and PolynomialFunction enum values to allow compiling with ImageMagick 6.4.8-7 (bug report by Mark Richman)

RMagick 2.12.1

  • Fix bug #27239, allow 2.12.0 to compile with older releases of ImageMagick (bug report by Sam Lown)

RMagick 2.12.0

  • Added Image#function_channel (available in ImageMagick 6.4.8-8)
  • Added Image#auto_level_channel, Image#auto_gamma_channel (available in ImageMagick 6.5.5-1)
  • Added Draw#interline_spacing, #interline_spacing= (available in ImageMagick 6.5.5-8)

RMagick 2.11.1

  • Applied Alexey Borzenkov's mingw patches to extconf.rb.
  • Fixed a bug in Magick.trace_proc that could cause a segv at program exit with Ruby 1.9.1 (bug report by Larry Young)
  • Added new CompressionType enum values ZipSCompression, PixCompression, Pxr24Compression, B44Compression, B44ACompression (available in ImageMagick 6.5.5-4)

RMagick 2.11.0

  • Fix bug #26475, dissolve and watermark don't work with new versions of ImageMagick (reported by Jim Crate)
  • Add Image#composite_mathematics (available in ImageMagick 6.5.4-3)
  • Add new LinearDodgeCompositeOp, LinearBurnCompositeOp, PegtopCompositeOp, PinLightCompositeOp, VividLightCompositeOp enum values (available in ImageMagick 6.5.4-3)

RMagick 2.10.0

  • ImageMagick releases earlier than 6.3.5-10 and Ruby releases earlier than 1.8.5 no longer supported.
  • (Experimental) Support the use of Ruby managed memory for all memory allocations (available in ImageMagick 6.5.3-10)
  • Add Image#selective_blur_channel (available in ImageMagick 6.5.0-3)
  • Add new AlphaBackgroundChannel enum value (available in ImageMagick 6.5.2-5)
  • Add new DistortCompositeOp enum value (available in ImageMagick 6.5.3-7)

RMagick 2.9.2

  • Add new HorizontalTileEdgeVirtualPixelMethod, VerticalTileEdgeVirtualPixelMethod, CheckerTileVirtualPixelMethod VirtualPixelMethod enum values (available in ImageMagick 6.5.0-1)
  • Added BilinearForwardDistortion, BilinearReverseDistortion enums (available in ImageMagick 6.5.1-2)
  • Add missing composite operators to Magick::Draw#composite method
  • Add warning about dropping support for ImageMagick < 6.3.5 and Ruby < 1.8.5
  • Fix bug #25892, stack buffer overflow in Magick::TypeMetric.to_s (reported by Roman Simecek)

RMagick 2.9.1

  • Fix a bug that prevents the use of transparent background colors when built with ImageMagick 6.4.9-0

RMagick 2.9.0

  • Fix #23209, improve RVG's letter spacing (patch from Jonah Fox)
  • Add Draw#kerning= attribute (available in ImageMagick 6.4.7-8)
  • Add Draw#interword_spacing= attribute (available in ImageMagick 6.4.8-0)
  • Add Draw#kerning, Draw#interword_spacing primitive methods (available in ImageMagick 6.4.8-3)
  • Feature #23171, support ImageList, Draw, Pixel marshaling.
  • Support all the new EvaluateOperator constants

RMagick 2.8.0

  • Add the endian, scene, and transparent_color attributes to Image::Info
  • Deprecate Image#endian= attribute setter
  • Add the transparent_chroma method to the Image class (available in ImageMagick 6.4.5-6)
  • Add the sparse_color method to the Image class (available in ImageMagick 6.4.3)
  • Update Image#change_geometry to work with the new ParseSizeGeometry API in ImageMagick 6.4.6-9.

RMagick 2.7.2

  • Fix bug #22740, some Image::Info attribute values are not propogated to the image object (bug report by Thomas Watson)

RMagick 2.7.1

  • Fix bug #22471, Magick::fonts can abend on 64-bit systems (bug report and patch by James Le Cuirot)
  • ImageList.new accepts a block which is passed on to Image::read when reading the input images. The block is executed in the context of an Image::Info object.
  • Add support for the "user" image property.
  • Define the Magick::FatalImageMagickError exception class, raised if ImageMagick raises a fatal (unrecoverable) exception.
  • Added feature #22618, Image#total_ink_density (request by F. Behrens)

RMagick 2.7.0

  • Fix bug #22152, extconf.rb does not respect the LDFLAGS environment variable (bug report by Joseph Sokol-Margolis)
  • Fix bug #22190, the NoDitherMethod enum value is not defined in ImageMagick 6.4.2
  • Add the TrimBoundsLayer ImageLayerMethod enum value (available in ImageMagick 6.4.3-8)
  • Add the CopyAlphaChannel, ExtractAlphaChannel, OpaqueAlphaChannel, ShapeAlphaChannel, and TransparentAlphaChannel AlphaChannelType enum values (available in ImageMagick 6.4.3-7)
  • Rename Image#affinity and ImageList#affinity to Image#remap and ImageList#remap. Retain the old names as aliases. (Changed in ImageMagick 6.4.4-0)

RMagick 2.6.0

  • Fix bug #21237, Image::write ignores format attribute when called with a Tempfile pathname (bug report by Jack Shedd)
  • Fix bug #21897, ImageList#from_blob abends when certain corrupt JPEG images are used (bug report by Peter Szabo)
  • Add Image#composite_tiled, Image#composite_tiled! (ref: http://rubyforge.org/forum/forum.php?thread_id=27347&forum_id=33)
  • Add Image#deskew (available with ImageMagick 6.4.2-5)
  • Add Image#define, Image#undefine (available in ImageMagick 6.3.6)
  • Add Image#level_colors (available in ImageMagick 6.4.2-1)
  • Add Image#levelize_channel (available in ImageMagick 6.4.2-1)
  • Add Image#affinity, ImageList#affinity (available in ImageMagick 6.4.3-6). These methods replace Image#map and ImageList#map.
  • Accept DitherMethod values for the dither argument to Image#quantize, ImageList#quantize
  • Add the BarrelDistortion, PolynomialDistortion, ShepardsDistortion, PolarDistortion, and DePolarDistortion MagickDistortion Method enum values (available in ImageMagick 6.4.2-6)
  • Add the HorizontalTileVirtualPixelMethod and VerticalTileVirtualPixelMethod VirtualPixelMethod enum values (available in ImageMagick 6.4.2-6)
  • Add DitherMethod enum class
  • Added general-purpose OptionalMethodArguments class to handle ad-hoc optional arguments.
  • Support optional "distort:viewport" and "distort:scale" arguments to Image#distort
  • Support optional highlight_color and lowlight_color arguments to Image#compare_channel

RMagick 2.5.2

  • Add support for MergeLayer to Magick::ImageList#optimize_layers (patch #21189, submitted by Andrew Watson)
  • Add PowQuantumOperator argument for Image#quantum_operator (available in ImageMagick 6.4.1-9)

RMagick 2.5.1

  • Update Pixel#to_color to work with the new QueryMagickColorname API in ImageMagick 6.4.1-9.

RMagick 2.5.0

  • Added Image#add_compose_mask, #delete_compose_mask (feature #20531)

RMagick 2.4.0

  • Added Image#image_type= (feature #20490)

RMagick 2.3.0

  • Added Image#encipher, Image#decipher (available with ImageMagick 6.3.8-6)
  • Added DXT1Compression, DXT3Compression, and DXT5Compression CompressionType enums (available in ImageMagick 6.3.9-4)
  • Added optional "use hex format" argument to Pixel#to_color
  • Support :area resource type in Magick.limit_resource
  • Pixel.from_HSL and Pixel#to_HSL are deprecated. Use Pixel.from_hsla and Pixel#to_hsla instead. The new methods rely on the ImageMagick 6.3.5 and later API.
  • The Image#alpha and alpha= attributes are deprecated. Use alpha() and alpha? instead.
  • The Image#mask= attribute is deprecated. Use mask() instead.
  • The use of Ruby older than version 1.8.4 with RMagick is deprecated and will not be supported in a future release.
  • Fix bug #18271, rvg width and height attributes wrong after a call to viewbox (reported by Greg Jarman)

RMagick 2.2.2

  • Fix bug #18016, add test for InitializeMagick in libMagickCore to extconf.rb

RMagick 2.2.0

  • Added Image#opaque_channel, Image#paint_transparent (available with ImageMagick 6.3.7-10)
  • Added Image#liquid_rescale (available with ImageMagick 6.3.8-2)
  • Added CMYColorspace ColorspaceType value
  • Fixed bug #17148, compiler error message on Solaris (bug report by Trever Wennblom)
  • Fixed bug #17470, get_exif_by_number, get_exif_by_entry may fail when called with one or more arguments

RMagick 2.1.0

  • Added Image::Info#caption= attribute
  • Rename Image#crop_resized, #crop_resized! to #resize_to_fill, #resize_to_fill!. Add aliases for the old names.
  • Fix bug #16776, in the axes.rb example the last 2 arguments to border.rectangle are swapped (bug report by Alain Feler)
  • Fix bug #16931, apostrophe in #error directive causes error in some versions of GCC (bug report by Justin Dossey)

RMagick 2.0.0

  • Replaced configure/make/make install with standard Ruby setup.rb, extconf.rb
  • Removed support for Ruby earlier than 1.8.2
  • Removed support for GraphicsMagick. As a result these methods are no longer available: Image#grayscale_pseudo_class, Image#statistics.
  • Removed support for all releases of ImageMagick earlier than 6.3.0.
  • Removed deprecated Image#random_channel_threshold. Use Image#random_threshold_channel instead
  • Removed deprecated Image#channel_threshold. Use Image#random_threshold_channel instead
  • Removed unecessary Image#montage=
  • Removed unecessary and undocumented Image#image_type=
  • Removed deprecated Image::Info#tile_info, tile_info= attributes.
  • Removed deprecated Image::Info#tile, tile= attributes. Use #extract, #extract= instead
  • Removed deprecated Image::Info#subimage, subimage= attributes. Use scene, scene= instead
  • Removed deprecated Image::Info#subrange, subrange= attributes. Use number_scenes, number_scenes= instead
  • Removed deprecated Magick.set_monitor. Use Image#set_monitor, Image::Info#set_monitor instead
  • Removed deprecated RunlengthEncodedCompression CompressionType. Use RLECompression instead
  • Deprecated Image#matte, matte= with ImageMagick 6.3.5 and later
  • Added Image::Info#stroke=, stroke_width= and undercolor= attributes
  • Added Image::Info#tile_offset= attribute
  • Added Draw#fill_pattern= and #stroke_pattern= annotate attributes
  • Changed Image::Info[] and Image::Info[]= to allow an omitted "format" argument
  • Added Image#destroy!, destroyed?, check_destroyed methods
  • Support Image object creation/destruction tracing with the Magick.trace_proc attribute
  • Added Magick::QuantumRange. Magick::MaxRGB is deprecated.
  • Added OptimizeTransLayer, RemoveDupsLayer, RemoveZeroLayer, OptimizeImageLayer ImageLayerMethods enum values (available with ImageMagick 6.3.3), MosaicLayer, FlattenLayer (available with ImageMagick 6.3.6)
  • RMagick works with Q32 version of ImageMagick
  • Added ChangeMaskCompositeOp, DivideCompositeOp, LinearLightCompositeOp CompositeOperator enum values
  • Added SplineInterpolatePixel InterpolatePixelMethod enum value
  • Added DitherVirtualPixelMethod, RandomVirtualPixelMethod, BlackVirtualPixelMethod, GrayVirtualPixelMethod, WhiteVirtualPixelMethod (available with ImageMagick 6.3.5), and MaskVirtualPixelMethod (available with ImageMagick 6.3.3) VirtualPixelMethod enum values
  • Added GIFInterlace, JPEGInterlace, PNGInterlace Interlace type enum values (available with ImageMagick 6.3.4)
  • Added SentinelFilter FilterTypes enum value (available in ImageMagick 6.3.6)
  • Added Image.combine
  • Added Image#separate (available with ImageMagick 6.3.2)
  • Added Image#distort (available with ImageMagick 6.3.5)
  • Added Image#each_pixel (thanks to Russell Norris for the suggestion and code)
  • Added Image#histogram? (available with ImageMagick 6.3.5)
  • Added Image#sync_profiles (available with ImageMagick 6.3.2)
  • Added Image#extent (available with ImageMagick 6.3.1)
  • Added Image#excerpt, Image#excerpt! (available with ImageMagick 6.3.5)
  • Added Image::Info#attenuate
  • Added Image#clut_channel (available with ImageMagick 6.3.5)
  • Feature Request #16264, added ImageList#composite_layers (available with ImageMagick 6.3.3, request from Steve Martocci)
  • Added Image#alpha= (available with ImageMagick 6.3.5)
  • Added Image#gravity=
  • Added Image#equalize_channel (available with ImageMagick 6.3.6)
  • Added new FilterTypes values KaiserFilter, WelshFilter, ParzenFilter, LagrangeFilter, BohmanFilter, BartlettFilter (available with ImageMagick 6.3.6)
  • Fix bug #10339, Image#trim does not support "reset page information option" (bug report from Nobody)
  • Renamed RMagick.so to RMagick2.so to prevent confusion between RMagick.rb and RMagick.so
  • Feature Request #16276, re-organize doc to not split Image method pages in the middle of an initial letter (request from Roy Leban)
  • Updated for ImageMagick 6.3.7-5
  • Made changes as necessary to work with current Ruby 1.9.0

RMagick 1.15.12

  • Fix bug #16221, starting with ImageMagick 6.3.2, get_exif_by_entry/number returns empty array/hash when no arguments are specified, even though the image has EXIF data (bug report from Paul Clegg)

RMagick 1.15.11

  • Fix bug #15887, the x_ and y_resolution attributes don't respect the units attribute (bug report from Ben Greenburg)
  • Fix bug #15889, memory leak in Draw#composite method (bug report from Till Vollmer)

RMagick 1.15.10

  • Update Magick::Pixel.from_HSL, #to_HSL to work with new APIs in ImageMagick 6.3.5-9.

RMagick 1.15.9

  • Fixed bug #12089 (bug report from Hans de Graaff)

RMagick 1.15.8

  • Fixed bug #12671, incorrect link in HTML doc (bug report from Thomas R. Koll
  • Fixed bug #11890, incorrect usage description for Draw#text_undercolor in HTML doc (bug report from Ezra Freedman)
  • Fixed bug #12706, specifying both a gravity and offsets to Image#composite positions the composite image incorrectly (bug report from Benoit Larroque)

RMagick 1.15.7

  • Fix bug #11033, make distclean misses some files (bug report from Lucas Nussbaum)
  • Work around SetMagickRegistry problem in ImageMagick 6.3.4-7

RMagick 1.15.6

  • Fix bug #10070, memory leak in Draw#get_type_metrics, Draw#get_multiline_type_metrics, Draw#annotate (bug report from Sinclair Bain)
  • Fix bug #10080, scripts in examples directory should not be marked executable (bug report from Lucas Nussbaum)

RMagick 1.15.5

  • Fix bug #9637, export_pixels always exports all 0's for 1-bit images (bug report from Doug Patterson)

RMagick 1.15.4

  • Fix bug #8927, RMagick and rbgsl both export the name ID_call (bug report from Shin Enomoto)

RMagick 1.15.3

  • Fix bug #8697, Image::Info.fill= doesn't work when creating "caption:" format images (bug report from choonkeat)

RMagick 1.15.2

  • Fix bug #8408, a compatibility problem with some versions of ImageMagick before 6.2.5 (bug report from Geir Gluckstad)

RMagick 1.15.1

  • Fix bug #8307, compatibility problems with older (6.0.x) versions of ImageMagick (bug report from Chris Taggart)

RMagick 1.15.0

  • Added fx method to ImageList class
  • Added wet_floor method to the Image class
  • Added linear_stretch method to the Image class (available with ImageMagick 6.3.1-1)
  • Added recolor method to the Image class (available with ImageMagick 6.3.1-3)
  • Added polaroid method to the Image class (available with ImageMagick 6.3.1-6)
  • Added origin attribute to the Image::Info class (supported by ImageMagick 6.3.1-4 and later)
  • Added PaletteBilevelMatteType to the ImageType enum
  • Fix bug #6260, some RVG examples produce all-black GIF images
  • Fix bug #7034, fix the matte method in the Draw class
  • Fix bug #7373, default channels should be RGB instead of RGBA
  • Fix bug #7716, Pixel#intensity wrong for gray images (bug report from Morio Miki)
  • Fix bug #7949, Magick::Draw.new abends when an exception occurs before the draw object is fully initialized (bug report from Andrew Kaspick)
  • Fix bug #8015, Magick::Draw.new doesn't call the optional arguments block in the right scope (bug report from Andrew Kaspick)
  • Tested with ImageMagick 6.3.2-0

RMagick 1.14.1

  • Handle change to the type of the ColorInfo.color field introduced by ImageMagick 6.3.0

RMagick 1.14.0

  • Feature request #5015, support CMYK->RGB conversions. Added the add_profile and delete_profiles to the Image class. Fixed the profile!, iptc_profile, and color_profile methods. Added the black_point_compensation attribute. (requested by Niklas Ekman)
  • Added adaptive_blur, adaptive_blur_channel, find_similar_region, sketch methods to the Image class (available with ImageMagick 6.2.8-6)
  • Added adaptive_resize to the Image class (available with ImageMagick 6.2.9)
  • Added resample method to the Image class (thanks to Ant Peacocke for the idea)
  • Added four new compositing methods to the Image class: blend, displace, dissolve, and watermark
  • Feature request #5418, add get_iptc_dataset and each_iptc_dataset to the Image class (requested by Oliver Andrich)
  • Added the bias and mask attributes to the Image class
  • Added optional qualifier argument to Image#rotate
  • Patch #5742 from Douglas Sellers, adds channel method to the Image::Info class.
  • Added new ChannelType enum values
  • Added texture= attribute writer to the Image::Info class
  • Added tile= attribute writer to the Draw class
  • Added pixel_interpolation_method attribute, InterpolatePixelMethod enum class to the Image class (available with ImageMagick 6.2.9)
  • Added "Magick Command Options and Their Equivalent Methods" page to the documentation
  • Fix bug #5079, Image#quantum_operator method doesn't work (bug report from Pedro Martins)
  • Fix bug #5080, incorrect RVG images when non-0 values used for the min_x or min_y arguments to RVG#viewbox (bug report from Daniel Harple)
  • Fix bug #5370, the clip_mask= attribute doesn't work
  • Fix bug #5506, wrong argument used to intialize AffineMatrix (bug report from Michael Shantzis)

RMagick 1.13.0

  • Added transform, transform!, transpose, transpose! methods to Image class (available with ImageMagick 6.2.8)
  • Feature #4844, add auto_orient, auto_orient! methods to Image class (suggestion from John Oordopjes, available with ImageMagick 6.2.8)
  • Added adaptive_sharpen, adaptive_sharpen_channel methods to Image class (available with ImageMagick 6.2.7)
  • Added composite_image_channel, composite_image_channel! methods to Image class (added in ImageMagick 6.2.6)
  • Added radial_blur_channel method to Image class (available in ImageMagick 6.2.4)
  • Fix bug #4806, add hash, eql? methods to Pixel class (bug report from Tim Pease)
  • Change extension filename to match RubyGems 0.9.0 expectations.
  • Fix bug #4821, correct doc for Image#rotate (bug report from Tim Pease)
  • Update the Draw#annotate documentation

RMagick 1.12.0

  • Fix bug #4630, the new signature for #level is incompatible with releases prior to 1.10.1 (bug report from Al Evans)

RMagick 1.11.1

  • Fix bug #4511, add Makefile, rmagick_config.h as dependencies in the Makefile (bug report from Eric Hodel)
  • Ensure ExceptionInfo structures are freed

RMagick 1.11.0

  • Feature #3705, add resize_to_fit (thanks to Robert Manni for the code)
  • Added optimize_layers method to the ImageList class (available with ImageMagick 6.2.6)
  • Added limit_resource method to the Magick module
  • Replaced install.rb with setup.rb, improved gem install (bug report from Ryan Davis)
  • Added --disable-htmldoc option to setup.rb
  • Fix bug #4104, incorrect label on example (reported by Jason Lee)
  • Added contrast_stretch_channel to the Image class (available with ImageMagick 6.2.6)
  • Improved Magick exception handling to eliminate memory leaks when an exception is rescued and execution continues.
  • Tested with ImageMagick 6.2.7

RMagick 1.10.1

  • Fix bug #3437, memory leak in ImageList#to_blob
  • Fix bug #3363, Image#composite doesn't work when the source image is bigger than the destination
  • Fix bug #3635, Image#import_pixels doesn't accept FloatPixel or DoublePixel storage types
  • Feature #3597, add border_color attribute to the Draw class

RMagick 1.10.0

  • Added add_noise_channel method to Image class (available with ImageMagick 6.2.5)
  • Added vignette method to the Image class (available with ImageMagick 6.2.6)
  • Added crop_resize method to the Image class (thanks to Jerret Taylor for the suggestion and original code)
  • Added export_pixels_to_str method to the Image class
  • Provided default arguments to Image#export_pixels
  • Added "order" option to Image#ordered_dither
  • Added cyan, magenta, yellow, and black attribute accessors to the Pixel class
  • Added CineonLogRGBColorspace, LABColorspace, Rec601LumaColorspace, Rec601YCbCrColorspace, Rec709LumaColorspace, Rec709YCbCrColorspace, LogColorspace enumerators to the ColorspaceType enumeration class.
  • Fixed bug #2844, Image#to_blob exits if the image is a 0x0 JPEG
  • Fixed bug #2688, Image#annotate, Draw#get_multiline_type_metrics handle newline characters properly
  • Tested with ImageMagick 6.2.6
  • Removed support for all versions of ImageMagick prior to 6.0.0

RMagick 1.9.3

  • Feature #2521, add Image#distortion_channel method
  • Fixed bug #2546, ImageList#to_blob builds multi-image blobs again. (ImageMagick 6.2.0 silently broke the ImageToBlob method.) Thanks to Tom Werner for reporting this bug.
  • Test with GraphicsMagick 1.1.7

RMagick 1.9.2

  • Feature #2412, add the virtual_pixel_method attribute and the VirtualPixelMethod enumeration
  • Feature #2462, add the ticks_per_second attribute

RMagick 1.9.1

  • Fixed bug #2157, Image#total_colors is now an alias of Image#number_colors
  • Fixed bug #2155, Image#dispose= now accepts a DisposeType enum, #dispose now returns a DisposeType enum.
  • Fixed bug #2156, Image#properties no longer returns garbage for the property name and value.
  • Fixed bug #2190, Image#compose now returns a CompositeOperator
  • Fixed bug #2191, Image#composite no longer abends when called with 0 arguments
  • Fixed bug #2213, ImageList#montage method no longer leaves the imagelist corrupt after raising an ImageMagickError
  • Feature #2159, added GrayChannel ChannelType enum value, BlendCompositeOp and ColorBurnCompositeOp CompositeOperator enum values, RLECompression CompressionType enum value, deprecate RunlengthCompression
  • Feature #2172, added optional argument to crop and crop! to reset the saved page offsets after cropping
  • Deprecated Image#channel_threshold. This method is deprecated in ImageMagick.
  • Feature #2373, change Image#import_pixels to accept a pixel data buffer as well as a pixel data array. (Thanks to Ara T. Howard for this suggestion!)
  • Fixed to compile without errors with ImageMagick 6.2.4-4.

RMagick 1.9.0

  • Added Image#monitor=, Image::Info#monitor=. Deprecated Magick.set_monitor.
  • Fixed bug #2070, support color names with embedded spaces
  • Fixed bug #2109, properly scope Magick constants in RVG

RMagick 1.8.3

  • Tested with ImageMagick 6.2.3-2
  • Added comment, delay, dispose, fill, gravity, and label attributes to Image::Info

RMagick 1.8.2

  • Fix bug #1983, potential buffer overflow in version_constants
  • Added feature #2015, support the pointsize, authenticate, and sampling_factor attributes in Image::Info

RMagick 1.8.1

  • Fix bugs #1876, #1888, #1919
  • Added feature #1941, RVG's polyline, polygon accept array arguments
  • Numerous fixes to the RVG documentation

RMagick 1.8.0

  • Added Image#shadow (ImageMagick 6.1.7)
  • Added Image::Info#undefine, #[], #[]=
  • Added sigmoidal_contrast_channel, sepiatone to Image class (ImageMagick 6.2.1)
  • Added JPEG2000Compression constant (ImageMagick 6.2.2)
  • Incorporated RVG classes
  • Added RVG documentation, examples, updated installer
  • Tested with ImageMagick 6.2.2-0, latest GraphicsMagick 1.2

RMagick 1.7.4

  • Fix bug #1727
  • Fix affine_transform.rb
  • Tested with ImageMagick 6.2.1

RMagick 1.7.3

  • Fix bug #1553, a build issue with ImageMagick 6.0.x

RMagick 1.7.2

  • Fix bugs #1308, #1310, #1314, #1533

RMagick 1.7.1

  • Fix bugs #1250, #1253
  • Tested with ImageMagick 6.1.7, Ruby 1.8.2

RMagick 1.7.0

  • Added splice, set_channel_depth to Image class (ImageMagick 6.0.0)
  • Added sharpen_channel, blur_channel to Image class (ImageMagick 6.0.1)
  • Added get_multiline_type_metrics to Draw class (ImageMagick 6.1.5), added new example scripts and images
  • Added normalize_channel, unsharp_mask_channel to Image class (ImageMagick 6.1.0)
  • Added read_inline to Image class
  • Renamed channel_compare to compare_channel, retained old name as an alias for backward compatibility.
  • Added default values for unsharp_mask arguments
  • Fixed bug #1193
  • Fixed segfault in destroy_Draw when Ruby gc'd the temp file name array before calling destroy_Draw
  • Tested with ImageMagick 6.1.6, GraphicsMagick 1.1.4, Ruby 1.8.2preview3.

RMagick 1.6.2

  • Fixed ImageList#deconstruct to return an imagelist
  • Fixed installation procedure to propagate user's CFLAGS, CPPFLAGS, and LDFLAGS through to the low-level Makefile
  • Fixed bugs #1048, #1127

RMagick 1.6.1

  • Changed to match changes in ImageMagick 6.1.4 API
  • Fixed bug #950

RMagick 1.6.0

  • Added posterize, gaussian_blur_channel, convolve_channel methods to Image class (ImageMagick 6.0.0)
  • Added new CompositeOperator constants (ImageMagick 6.0.0)
  • Added trim and trim! methods to Image class
  • Added each method to Enum subclasses
  • Added stroke_width= attribute to the Draw class
  • Fixed bugs #624, #642, #716, applied patch #819 (thanks to Daniel Quimper)
  • Tested with ImageMagick 6.0.5-2, GraphicsMagick 1.1.3, Ruby 1.8.2

RMagick 1.5.0

  • Added meaningful implementations of dup and clone to the Image and Draw classes. Clarified the documentation.
  • Do not allow changes to frozen Image, ImageList, and Draw objects.
  • Raise TypeError if freeze method sent to Image::Info or ImageList::Montage object.
  • Added view method to Image, Image::View class (thanks to Ara T. Howard and Charles Comstock on c.l.r for the discussion which prompted me to add this class)
  • Added grayscale_pseudo_class method to Image class (GraphicsMagick 1.1)
  • Added radial_blur, random_threshold_channel methods to Image class (ImageMagick 6.0.0)
  • Added quantum_operator method to Image class (GraphicsMagick 1.1, ImageMagick 6.0.0)
  • Added statistics method to Image class (GraphicsMagick 1.1)
  • Support channel_extrema, channel_mean with GraphicsMagick 1.1
  • Added endian attribute to Image class
  • Added composite! method to Image class
  • Deprecated random_channel_threshold method when linked with ImageMagick 6.0.0.

RMagick 1.4.0

  • Revised and updated documentation
  • Implemented enumeration values as instances of an Enum class. Based on a description by Paul Brannon in ruby-talk 79041.
  • Added HSLColorspace, HWBColorspace constants (ImageMagick 5.5.7, GraphicsMagick 1.0.2)
  • Added CopyCyanCompositeOp, CopyMagentaCompositeOp, CopyYellowCompositeOp, CopyBlackCompositeOp constants (ImageMagick 5.5.7, GraphicsMagick 1.1)
  • Added ReplaceCompositeOp. CopyCompositeOp constants (ImageMagick 6.0.0)
  • Added color_histogram to Image class. (ImageMagick 6.0.0, GraphicsMagick 1.1)
  • Added define method to Image::Info class (ImageMagick 6.0.0, GraphicsMagick 1.1)
  • Added tint, each_profile, channel_extrema, channel_compare, channel_depth, channel_mean, quantum_depth, preview, gamma_channel, negate_channel, bilevel_channel methods to Image class (ImageMagick 6.0.0)
  • Added get_exif_by_entry, get_exif_by_tag to Image class
  • Added border! method to Image class
  • Added fcmp, intensity methods to Pixel class
  • Added Version_long constant
  • The 'fuzz' attribute in the Image and ImageInfo classes now accepts a percentage value as well as a numeric value.
  • Added Geometry class and changed all methods that accept a geometry string to accept a Geometry object as well
  • Added dup and clone methods to the ImageList, Image, and Draw classes (Fix for bug #254.)
  • Tested with latest ImageMagick 6.0.0 beta and GraphicsMagick 1.1 snapshot

RMagick 1.3.2

  • Fix profile! to require only 2 arguments, as documented.
  • Correct spelling of 'transparent' in text_antialias.rb example.
  • Add output of Magick-config --libs to LIBS variable in configure
  • Minor fixes in documentation
  • Test with GraphicsMagick 1.0.4
  • Test with latest ImageMagick 5.5.8 beta

RMagick 1.3.1

  • Fixed default base URI in the links to the installed xMagick doc
  • Applied the patch for bug #76 that caused the rubyname.rb example to hang when installing on FreeBSD.
  • Fixed the <=> method in Image to return nil when the class of the other object is not Image
  • Added code to ensure that the `text' argument to Draw#text is not nil or empty
  • Fixed the handle_error function to re-initialize the exception structure after destroying its contents.

RMagick 1.3.0

  • Added strip!, import_pixels, export_pixels, random_channel_threshold to the Image class. (Available only with ImageMagick 5.5.8, which is still in beta.)
  • Added black_threshold and white_threshold to the Image class.
  • Added format= attribute writer to the Image class
  • Added monochrome= attribute writer to the Image::Info class
  • Added annotate to the Image class.
  • Made the image argument to get_type_metrics optional. (Thanks to Hal Fulton for suggesting this change and the annotate change!)
  • Enhance the read, write, and ping methods in both the Image class and the ImageList class to accept an open File object as well as a filename argument.
  • Added change_geometry to the Image class
  • Changed configure to generate top-level Makefile with install and uninstall targets. (Thanks to Bob Friesenhahn for the suggestion and the the Makefile!)
  • Incorporated 1.2.2.1 patch to correct problems when building with Ruby 1.6.7.
  • Added "magick_location" attribute to the ImageMagickError class. (Available only with GraphicsMagick 1.1, not yet released.)
  • Tested with ImageMagick 5.5.8 beta
  • Tested with GraphicsMagick 1.0.2 and 1.1 snapshot
  • Tested with Ruby 1.8.0
  • Changed to MIT license

RMagick 1.2.2

  • Fixed many bugs in configuration script
  • Added support for GraphicsMagick 1.0 (with assistance from Bob Friesenhahn)
  • Changed default documentation directory (--doc-dir option default) to $prefix/share/RMagick
  • Added "examples" directory to contain example programs that aren't referenced by the documentation

RMagick 1.2.1

  • Yet another fix to the Cygwin installation procedure

RMagick 1.2.0

  • Changed install to work correctly on Cygwin (Cygwin testing by Yuki Hirakawa and David Martinez Garcia.)
  • Changed install to support Gentoo ebuild (Gentoo support provided by Tom Payne.)
  • Changed configure script to find IM doc in IM 5.5.7
  • Added Image#capture
  • Added optional matte_pct argument to Image#colorize
  • Add default argument values to Image#gaussian_blur
  • Fix bug in Image#store_pixels that prevented it from working with GIF and other PseudoClass image formats
  • Changed Image#crop and Image#crop! to accept a GravityType constant as the first argument, instead of the x- and y-offset arguments. (Suggested by Robert Wagner.)
  • Added Image::Info#filename=, image_type=
  • Added ImageList#map as an alias for Enumerable#map
  • Added fetch, insert, select, reject methods to ImageList class for Ruby 1.8.0
  • Undefined zip and transpose methods in ImageList class for Ruby 1.8.0
  • ImageMagick 5.5.7 supported

RMagick 1.1.0

  • Fixed bug in handle_error that caused an abend when linked with IM 5.5.6
  • Added RMAGICK image "format". When read, returns 252x108 RMagick logo in PNG format.
  • Changed examples to give all floating point constants a leading digit.
  • Added Image#rotate!
  • Tested with Ruby 1.8.0preview2
  • Added Image#extract_info, Image::Info#extract=, Image::Info#scene=, Image::Info#number_scenes=, Image::Info#tile=
  • Added Draw#text_align, Draw#text_anchor, Draw#text_undercolor
  • ImageMagick 5.5.6 supported

RMagick 1.0.0

  • Fixed warnings when compiling with Ruby 1.8.0
  • Added Draw#rotation=, rotated_text.rb
  • Fixed temp image files in Montage_texture and Draw_composite
  • ImageMagick 5.5.5 supported

RMagick 0.9.5

  • Added channel.rb example
  • Fixed install problems with IM 5.5.1

RMagick 0.9.4

  • Cleaned up documentation.
  • Added logging methods Magick.set_log_event_mask and Magick.set_log_format
  • Added Magick.set_monitor
  • Added custom serialization methods _dump and _load to Image class. Added marshaling section to usage doc.
  • Added Image#mime_type
  • Changed install to use autoconf-generated configure script
  • Replaced makedoc.rb with post-install.rb hook
  • Added rmconst.rb utility script
  • ImageMagick 5.5.4 supported

RMagick 0.9.3

  • Changed ImageList#<=> to use same algorithm as Array#<=>
  • Changed Draw class variables to class constants
  • Fixed bug in Magick::colors method that caused some colors to be repeated or missed when the optional block is used
  • Changed fill classes to not inherit from common Fill class. Removed Fill class.
  • Improved usage documentation
  • Added Image#level_channel, introduced with IM 5.5.3
  • ImageMagick 5.5.3 supported
  • Ruby 1.6.8, 1.8.0preview1 supported

RMagick 0.9.2

  • Added crop!, flip!, flop!, magnify!, minify!, resize!, sample!, scale!, shave!, channel_threshold methods to Image class
  • Documented DisposeType, ColorSeparationMatteType and OptimizeType constants
  • Changed Image#<=>, ImageList#<=> to raise TypeError if the other argument is not in the same class
  • Deleted Image#==, ImageList#==, include Comparable in both classes
  • Added Image#thumbnail, thumbnail!, adaptive_threshold for 5.5.2 & later
  • Used image list functions in 5.5.2 & later
  • ImageMagick 5.5.2 supported
  • Removed last vestiges of 5.4.9 support

RMagick 0.9.1

  • Added -Wl,rpath option to $LDFLAGS in extconf.rb
  • #include <sys/types.h> in rmagick.h
  • Changed set_cache_threshold to call SetMagickResourceLimit instead of SetCacheThreshold
  • Changed Image_texture_flood_fill to clone texture image instead of adding a reference
  • Many fixes to the Array methods in ImageList
  • Defined Image#<=>, defined Image#== in terms of Image#<=>
  • Defined ImageList#<=> in terms of Image#<=>

RMagick 0.9.0

1st beta