Problems found with existing digests:
Package fotoxx distfile fotoxx-14.03.1.tar.gz
ac2033f87de2c23941261f7c50160cddf872c110 [recorded]
118e98a8cc0414676b3c4d37b8df407c28a1407c [calculated]
Package ploticus-examples distfile ploticus-2.00/plnode200.tar.gz
34274a03d0c41fae5690633663e3d4114b9d7a6d [recorded]
da39a3ee5e6b4b0d3255bfef95601890afd80709 [calculated]
Problems found locating distfiles:
Package AfterShotPro: missing distfile AfterShotPro-1.1.0.30/AfterShotPro_i386.deb
Package pgraf: missing distfile pgraf-20010131.tar.gz
Package qvplay: missing distfile qvplay-0.95.tar.gz
Otherwise, existing SHA1 digests verified and found to be the same on
the machine holding the existing distfiles (morden). All existing
SHA1 digests retained for now as an audit trail.
## 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
o Ability to remove alpha channel - @ollie
o C local variables guarded against GC to avoid segfaults - @u338steven
o trace_proc protected with a mutex to avoid segfaults - @u338steven
RMagick 2.14.0
o RMagick.rb moved to deprecated directory - @mockdeep
o Better ImageMagick feature detection - @bf4
o Prevent compilation failures if prefix is an empty string - @voxik
o SplineInterpolatePixel preprocessor check removed - @joshk
o Make error format a string literal - @mtasaka
o Automatically set ARCHFLAGS on OS X - @u338steven
o Fixed 'rmagick/version' require failure - @u338steven
o Fixed escaping of '%' in Draw#get_type_metrics - @mkluczny
o Silence warnings on Ruby 2.2 when comparing Enums - @meanphil
o Multiple test suite improvements - @mockdeep, @bf4
o Ruby source code formatting with RuboCop - @vassilevsky
RMagick 2.13.4
#129 from @theschoolmaster
proof of concept for using pkg-config in place of Magick-config on debian based systems
#127 from @u338steven
Changed Image#resample to calling ResampleImage (related #29, #45)
#124 from @u338steven
Fixed#122: lib/RMagick.rb is overwritten by lib/rmagick.rb on case-insensitive systems
#123 from @prijutme4ty
New class SolidFill in order to fill image with monochromatic background
#121 from @markotom
Quotes for correct path of font file
#120 from @chulkilee
Allow MagickCore6 from Magick-config
#112 from @u338steven/
Fixed: build error with ImageMagick 6.8.9 (when deprecated functions are excluded)
#102 from @u338steven
Fixed: related x_resolution, y_resolution
from @u338steven
Lots of test fixes
#95 from @ioquatix
Fix pixel hash test
#94 from @u338steven
Fixed: build error on Windows Ruby x64 (with ImageMagick 6.8.0-10 or Ima...
#91 from @vassilevsky
Do not test machine and OS-specific integers
Fix initial memory limit test
RMagick 2.13.3
#90 from @bricef
Fix installation error on systems with HRDI enabled RMagick
RMagick 2.13.2
o Fixed issues preventing RMagick from working with version 6.8 or higher
o Fixed issues preventing RMagick from working with ruby 1.9.3
* Use lang/ruby/gem.mk instead of misc/rubygems/rubygem.mk.
* Remove default value of GEM_BUILD.
RMagick 2.13.1
o Fixed bug preventing RMagick from working with version 6.5.9 or higher
RMagick 2.13.0
o Added Doxygen documentation, for automatic documentation
o Fixed bug #27467, get RMagick to compile witH ImageMagick 6.5.7
o 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
o 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
o Fix bug #27239, allow 2.12.0 to compile with older releases of ImageMagick
(bug report by Sam Lown)
RMagick 2.12.0
o Added Image#function_channel (available in ImageMagick 6.4.8-8)
o Added Image#auto_level_channel, Image#auto_gamma_channel (available in
ImageMagick 6.5.5-1)
o Added Draw#interline_spacing, #interline_spacing= (available in
ImageMagick 6.5.5-8)
Changes:
RMagick 2.11.1
o Applied Alexey Borzenkov's mingw patches to extconf.rb.
o 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)
o Added new CompressionType enum values ZipSCompression, PixCompression,
Pxr24Compression, B44Compression, B44ACompression (available in
ImageMagick 6.5.5-4)
Changes:
RMagick 2.11.0
o Fix bug #26475, dissolve and watermark don't work with new versions of
ImageMagick (reported by Jim Crate)
o Add Image#composite_mathematics (available in ImageMagick 6.5.4-3)
o Add new LinearDodgeCompositeOp, LinearBurnCompositeOp,
PegtopCompositeOp, PinLightCompositeOp, VividLightCompositeOp enum values
(available in ImageMagick 6.5.4-3)
Changes:
RMagick 2.10.0
o ImageMagick releases earlier than 6.3.5-10 and Ruby releases earlier
than 1.8.5 no longer supported.
o (Experimental) Support the use of Ruby managed memory for all memory
allocations (available in ImageMagick 6.5.3-10)
o Add Image#selective_blur_channel (available in ImageMagick 6.5.0-3)
o Add new AlphaBackgroundChannel enum value (available in ImageMagick
6.5.2-5)
o Add new DistortCompositeOp enum value (available in ImageMagick 6.5.3-7)
Changes:
RMagick 2.9.2
o Add new HorizontalTileEdgeVirtualPixelMethod,
VerticalTileEdgeVirtualPixelMethod, CheckerTileVirtualPixelMethod
VirtualPixelMethod enum values (available in ImageMagick 6.5.0-1)
o Added BilinearForwardDistortion, BilinearReverseDistortion enums
(available in ImageMagick 6.5.1-2)
o Add missing composite operators to Magick::Draw#composite method
o Add warning about dropping support for ImageMagick < 6.3.5 and
Ruby < 1.8.5
o Fix bug #25892, stack buffer overflow in Magick::TypeMetric.to_s
(reported by Roman Simecek)
Changes:
RMagick 2.9.0
o Fix#23209, improve RVG's letter spacing (patch from Jonah Fox)
o Add Draw#kerning= attribute(available in ImageMagick 6.4.7-8)
o Add Draw#interword_spacing= attribute (available in ImageMagick
6.4.8-0)
o Add Draw#kerning, Draw#interword_spacing primitive methods (available in
ImageMagick 6.4.8-3)
o Feature #23171, support ImageList, Draw, Pixel marshaling.
o Support all the new EvaluateOperator constants
Changes:
RMagick 2.8.0
o Add the endian, scene, and transparent_color attributes to Image::Info
o Deprecate Image#endian= attribute setter
o Add the transparent_chroma method to the Image class (available in
ImageMagick 6.4.5-6)
o Add the sparse_color method to the Image class (available in ImageMagick
6.4.3)
o Detect change to ParseSizeGeometry signature in ImageMagick 6.4.6-9 and
compile accordingly.
o Update Image#change_geometry to work with the new ParseSizeGeometry API
in ImageMagick 6.4.6-9.
RMagick 2.7.1
o Fix bug #22471, Magick::fonts can abend on 64-bit systems (bug report and
patch by James Le Cuirot)
o 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.
o Add support for the "user" image property.
o Define the Magick::FatalImageMagickError exception class, raised if
ImageMagick raises a fatal (unrecoverable) exception.
o Added feature #22618, Image#total_ink_density (request by F. Behrens)
RMagick 2.7.0
o Fix bug #22152, extconf.rb does not respect the LDFLAGS environment
variable (bug report by Joseph Sokol-Margolis)
o Fix bug #22190, the NoDitherMethod enum value is not defined in
ImageMagick 6.4.2
o Add the TrimBoundsLayer ImageLayerMethod enum value (available in
ImageMagick 6.4.3-8)
o Add the CopyAlphaChannel, ExtractAlphaChannel, OpaqueAlphaChannel,
ShapeAlphaChannel, and TransparentAlphaChannel AlphaChannelType enum
values (available in ImageMagick 6.4.3-7)
o 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
o Fix bug #21237, Image::write ignores format attribute when called with a
Tempfile pathname (bug report by Jack Shedd)
o Fix bug #21897, ImageList#from_blob abends when certain corrupt JPEG
images are used (bug report by Peter Szabo)
o Add Image#composite_tiled, Image#composite_tiled! (ref:
http://rubyforge.org/forum/forum.php?thread_id=27347&forum_id=33)
o Add Image#deskew (available with ImageMagick 6.4.2-5)
o Add Image#define, Image#undefine (available in ImageMagick 6.3.6)
o Add Image#level_colors (available in ImageMagick 6.4.2-1)
o Add Image#levelize_channel (available in ImageMagick 6.4.2-1)
o Add Image#affinity, ImageList#affinity (available in ImageMagick 6.4.3-6).
These methods replace Image#map and ImageList#map.
o Accept DitherMethod values for the dither argument to Image#quantize,
ImageList#quantize
o Add the BarrelDistortion, PolynomialDistortion, ShepardsDistortion,
PolarDistortion, and DePolarDistortion MagickDistortion Method enum values
(available in ImageMagick 6.4.2-6)
o Add the HorizontalTileVirtualPixelMethod and
VerticalTileVirtualPixelMethod VirtualPixelMethod enum values
(available in ImageMagick 6.4.2-6)
o Add DitherMethod enum class
o Added general-purpose OptionalMethodArguments class to handle ad-hoc
optional arguments.
o Support optional "distort:viewport" and "distort:scale" arguments to
Image#distort
o Support optional highlight_color and lowlight_color arguments
to Image#compare_channel
RMagick 2.5.2
o Add support for MergeLayer to Magick::ImageList#optimize_layers (patch
#21189, submitted by Andrew Watson)
o Add PowQuantumOperator argument for Image#quantum_operator (available
in ImageMagick 6.4.1-9)
RMagick 2.5.1
o Update Pixel#to_color to work with the new QueryMagickColorname API in
ImageMagick 6.4.1-9.
RMagick 2.5.0
o Added Image#add_compose_mask, #delete_compose_mask (feature #20531)
RMagick 2.4.0
o Added Image#image_type= (feature #20490)
Changes:
o Added Image#encipher, Image#decipher (available with ImageMagick 6.3.8-6)
o Added DTX1Compression, DTX1Compression, and DTX1Compression
CompressionType enums (available in ImageMagick 6.3.9-4)
o Added optional "use hex format" argument to Pixel#to_color
o Support :area resource type in Magick.limit_resource
o 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.
o The Image#alpha and alpha= attributes are deprecated. Use alpha() and
alpha? instead.
o The Image#mask= attribute is deprecated. Use mask() instead.
o The use of Ruby older than version 1.8.4 with RMagick is deprecated and
will not be supported in a future release.
o Fix bug #18271, rvg width and height attributes wrong after a call to
viewbox (reported by Greg Jarman)
While here, add DESTDIR support.
Changes:
RMagick 2.2.0
o Added Image#opaque_channel, Image#paint_transparent (available with
ImageMagick 6.3.7-10)
o Added Image#liquid_rescale (available with ImageMagick 6.3.8-2)
o Added CMYColorspace ColorspaceType value
o Fixed bug #17148, compiler error message on Solaris (bug report by Trever
Wennblom)
o Fixed bug #17470, get_exif_by_number, get_exif_by_entry may fail when
called with one or more arguments
Changes:
RMagick 2.1.0
o Added Image::Info#caption= attribute
o Rename Image#crop_resized, #crop_resized! to #resize_to_fill,
#resize_to_fill!. Add aliases for the old names.
o Fix bug #16776, in the axes.rb example the last 2 arguments to
border.rectangle are swapped (bug report by Alain Feler)
o Fix bug #16931, apostrophe in #error directive causes error in some
versions of GCC (bug report by Justin Dossey)
RMagick 2 is the future of RMagick. This is the version that will get new
methods and support new ImageMagick features.
RMagick 2 does not support GraphicsMagick.
Changes:
RMagick 2.0.0
o Replaced configure/make/make install with standard Ruby setup.rb,
extconf.rb
o Removed support for Ruby earlier than 1.8.2
o Removed support for GraphicsMagick. As a result these methods are no
longer available: Image#grayscale_pseudo_class, Image#statistics.
o Removed support for all releases of ImageMagick earlier than 6.3.0.
o Removed deprecated Image#random_channel_threshold. Use
Image#random_threshold_channel instead
o Removed deprecated Image#channel_threshold. Use
Image#random_threshold_channel instead
o Removed unecessary Image#montage=
o Removed unecessary and undocumented Image#image_type=
o Removed deprecated Image::Info#tile_info, tile_info= attributes.
o Removed deprecated Image::Info#tile, tile= attributes. Use #extract,
#extract= instead
o Removed deprecated Image::Info#subimage, subimage= attributes. Use
scene, scene= instead
o Removed deprecated Image::Info#subrange, subrange= attributes. Use
number_scenes, number_scenes= instead
o Removed deprecated Magick.set_monitor. Use Image#set_monitor,
Image::Info#set_monitor instead
o Removed deprecated RunlengthEncodedCompression CompressionType. Use
RLECompression instead
o Deprecated Image#matte, matte= with ImageMagick 6.3.5 and later
o Added Image::Info#stroke=, stroke_width= and undercolor= attributes
o Added Image::Info#tile_offset= attribute
o Added Draw#fill_pattern= and #stroke_pattern= annotate attributes
o Changed Image::Info[] and Image::Info[]= to allow an omitted \"format\"
argument
o Added Image#destroy!, destroyed?, check_destroyed methods
o Support Image object creation/destruction tracing with the
Magick.trace_proc attribute
o Added Magick::QuantumRange. Magick::MaxRGB is deprecated.
o Added OptimizeTransLayer, RemoveDupsLayer, RemoveZeroLayer,
OptimizeImageLayer ImageLayerMethods enum values (available with
ImageMagick 6.3.3),
MosaicLayer, FlattenLayer (available with ImageMagick 6.3.6)
o RMagick works with Q32 version of ImageMagick
o Added ChangeMaskCompositeOp, DivideCompositeOp, LinearLightCompositeOp
CompositeOperator enum values
o Added SplineInterpolatePixel InterpolatePixelMethod enum value
o Added DitherVirtualPixelMethod, RandomVirtualPixelMethod,
BlackVirtualPixelMethod, GrayVirtualPixelMethod, WhiteVirtualPixelMethod
(available with ImageMagick 6.3.5), and MaskVirtualPixelMethod (available
with ImageMagick 6.3.3) VirtualPixelMethod enum values
o Added GIFInterlace, JPEGInterlace, PNGInterlace Interlace type enum
values (available with ImageMagick 6.3.4)
o Added SentinelFilter FilterTypes enum value (available in ImageMagick
6.3.6)
o Added Image.combine
o Added Image#separate (available with ImageMagick 6.3.2)
o Added Image#distort (available with ImageMagick 6.3.5)
o Added Image#each_pixel (thanks to Russell Norris for the suggestion and
code)
o Added Image#histogram? (available with ImageMagick 6.3.5)
o Added Image#sync_profiles (available with ImageMagick 6.3.2)
o Added Image#extent (available with ImageMagick 6.3.1)
o Added Image#excerpt, Image#excerpt! (available with ImageMagick 6.3.5)
o Added Image::Info#attenuate
o Added Image#clut_channel (available with ImageMagick 6.3.5)
o Feature Request #16264, added ImageList#composite_layers (available with
ImageMagick 6.3.3, request from Steve Martocci)
o Added Image#alpha= (available with ImageMagick 6.3.5)
o Added Image#gravity=
o Added Image#equalize_channel (available with ImageMagick 6.3.6)
o Added new FilterTypes values KaiserFilter, WelshFilter, ParzenFilter,
LagrangeFilter, BohmanFilter, BartlettFilter (available with ImageMagick
6.3.6)
o Fix bug #10339, Image#trim does not support \"reset page information
option\" (bug report from Nobody)
o Renamed RMagick.so to RMagick2.so to prevent confusion between RMagick.rb
and RMagick.so
o Feature Request #16276, re-organize doc to not split Image method pages
in the middle of an initial letter (request from Roy Leban)
o Updated for ImageMagick 6.3.7-5
o Made changes as necessary to work with current Ruby 1.9.0
Changes:
RMagick 1.15.12
o 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)
o Fix bug #16449, Image#store_pixels removes
opacity channel (bug report from Hans de Graaff)
RMagick 1.15.11
o Fix bug #15887, the x_ and y_resolution
attributes don't respect the units attribute
(bug report from Ben Greenburg)
o Fix bug #15889, memory leak in
Draw#composite method (bug report from Till
Vollmer)
Changes:
o Fixed bug #12671, incorrect link in HTML doc (bug report
from Thomas R. Koll
o Fixed bug #11890, incorrect usage description for
Draw#text_undercolor in HTML doc (bug report from Ezra
Freedman)
o 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
o Fix bug #11033, make distclean misses some files
(bug report from Lucas Nussbaum)
o Work around SetMagickRegistry problem in
ImageMagick 6.3.4-7
Changes:
RMagick 1.15.6
o Fix bug #10070, memory leak in
Draw#get_type_metrics,
Draw#get_multiline_type_metrics,
Draw#annotate (bug report from Sinclair Bain)
o Fix bug #10080, scripts in examples
directory should not be marked executable (bug
report from Lucas Nussbaum)
ChangeLog:
RMagick 1.15.0
o Added fx method to ImageList class
o Added wet_floor method to the Image class
o Added linear_stretch method to the Image class (available with
ImageMagick 6.3.1-1)
o Added recolor method to the Image class (available with ImageMagick 6.3.1-
3)
o Added polaroid method to the Image class (available with ImageMagick 6.3.1
-6)
o Added origin attribute to the Image::Info class (supported by
ImageMagick 6.3.1-4 and later)
o Added PaletteBilevelMatteType to the ImageType enum (available with
ImageMagick 6.2.9)
o Fix bug #6260, some RVG examples produce all-black GIF images
o Fix bug #7034, fix the matte method in the Draw class
o Fix bug #7373, default channels should be RGB instead of RGBA
o Fix bug #7716, Pixel#intensity wrong for gray images (bug report from
Morio Miki)
o Fix bug #7949, Magick::Draw.new abends when an exception occurs before
the draw object is fully initialized (bug report from Andrew Kaspick)
o Fix bug #8015, Magick::Draw.new doesn't call the optional arguments block
in the right scope (bug report from Andrew Kaspick)
o Tested with ImageMagick 6.3.2-0
RMagick 1.13.0
o Added transform, transform!, transpose, transpose! methods to Image class
(available with ImageMagick 6.2.8)
o Feature #4844, add auto_orient, auto_orient! methods to Image class
(suggestion from John Oordopjes, available with ImageMagick 6.2.8)
o Added adaptive_sharpen, adaptive_sharpen_channel methods to Image class
(available with ImageMagick 6.2.7)
o Added composite_image_channel, composite_image_channel! methods to Image
class (added in ImageMagick 6.2.6)
o Added radial_blur_channel method to Image class (available in
ImageMagick 6.2.4)
o Fix bug #4806, add hash, eql? methods to Pixel class (bug report from
Tim Pease)
o Change extension filename to match RubyGems 0.9.0 expectations.
o Fix bug #4821, correct doc for Image#rotate (bug report from Tim Pease)
o Update the Draw#annotate documentation
OBATA Akio as PR pkg/33538.
RMagick 1.11.1
o Fix bug #4511, add Makefile, rmagick_config.h as dependencies
in the Makefile (bug report from Eric Hodel)
o Ensure ExceptionInfo structures are freed
RMagick 1.11.0
o Feature #3705, add resize_to_fit (thanks to Robert Manni for the code)
o Added optimize_layers method to the ImageList class (available with
ImageMagick 6.2.6)
o Added limit_resource method to the Magick module
o Replaced install.rb with setup.rb, improved gem install
(bug report from Ryan Davis)
o Added --disable-htmldoc option to setup.rb
o Fix bug #4104, incorrect label on example (reported by Jason Lee)
o Added contrast_stretch_channel to the Image class (available with
ImageMagick 6.2.6)
o Improved Magick exception handling to eliminate memory leaks when an exception
is rescued and execution continues.
o Tested with ImageMagick 6.2.7
PR pkg/33056 from OBATA Akio.
RMagick 1.10.1
o Fix bug #3437, memory leak in ImageList#to_blob
o Fix bug #3363, Image#composite doesn't work when the source image
is bigger than the destination
o Fix bug #3635, Image#import_pixels doesn't accept FloatPixel or DoublePixel
storage types
o Feature #3597, add border_color attribute to the Draw class
RMagick 1.10.0
o Added add_noise_channel method to Image class (available with ImageMagick 6.2.5)
o Added vignette method to the Image class (available with ImageMagick 6.2.6)
o Added crop_resize method to the Image class (thanks to Jerret Taylor for
the suggestion and original code)
o Added export_pixels_to_str method to the Image class
o Provided default arguments to Image#export_pixels
o Added "order" option to Image#ordered_dither
o Added cyan, magenta, yellow, and black attribute accessors to the Pixel class
o Added CineonLogRGBColorspace, LABColorspace, Rec601LumaColorspace,
Rec601YCbCrColorspace, Rec709LumaColorspace, Rec709YCbCrColorspace,
LogColorspace enumerators to the ColorspaceType enumeration class.
o Fixed bug #2844, Image#to_blob exits if the image is a 0x0 JPEG
o Fixed bug #2688, Image#annotate, Draw#get_multiline_type_metrics handle
newline characters properly
o Tested with ImageMagick 6.2.6
o Removed support for all versions of ImageMagick prior to 6.0.0
pkgsrc's change is to use bz2 archive.
RMagick 1.9.2
o Feature 2412, add the virtual_pixel_method attribute and the
VirtualPixelMethod enumeration
o Feature 2462, add the ticks_per_second attribute
PR pkg/31251 provided by Akio Obata.
RMagick 1.9.1
o Fixed bug #2157, Image#total_colors is now an alias of Image#number_colors
o Fixed bug #2155, Image#dispose= now accepts a DisposeType enum, #dispose
now returns a DisposeType enum.
o Fixed bug #2156, Image#properties no longer returns garbage for the property
name and value.
o Fixed bug #2190, Image#compose now returns a CompositeOperator
o Fixed bug #2191, Image#composite no longer abends when called
with 0 arguments
o Fixed bug #2213, ImageList#montage method no longer leaves the imagelist
corrupt after raising an ImageMagickError
o Feature #2159, added GrayChannel ChannelType enum value, BlendCompositeOp
and ColorBurnCompositeOp CompositeOperator enum values, RLECompression
CompressionType enum value, deprecate RunlengthCompression
o Feature #2172, added optional argument to crop and crop! to reset the saved
page offsets after cropping
o Deprecated Image#channel_threshold. This method is deprecated in ImageMagick.
o 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!)
o Fixed to compile without errors with ImageMagick 6.2.4-4.
OBATA Akio.
Changes:
o Added Image#monitor=, Image::Info#monitor=.
Deprecated Magick.set_monitor.
o Fixed bug #2070, support color names with embedded spaces
o Fixed bug #2109, properly scope Magick constants in RVG
o Fix bug #1983, potential buffer overflow in version_constants
o Added feature #2015, support the pointsize, authenticate,
and sampling_factor attributes in Image::Info
