scour/HISTORY.md

Release Notes for Scour

Version 0.26 (2011-05-09)

• Fix Bug 702423 to function well in the presence of multiple identical gradients and --disable-style-to-xml.
• Fix Bug 722544 to properly optimize transformation matrices. Also optimize more things away in transformation specifications. (Thanks to Johan Sundström for the patch.)
• Fix Bug 616150 to run faster using the --create-groups option.
• Fix Bug 708515 to handle raster embedding better in the presence of file:// URLs.
• Fix Bug 714717 to avoid deleting renderable CurveTo commands in paths, which happen to end where they started.
• Per Bug 714727 and Bug 714720, Scour now deletes text attributes, including "text-align", from elements and groups of elements that only contain shapes. (Thanks to Jan Thor for the patches.)
• Per Bug 714731, remove the default value of more SVG attributes. (Thanks to Jan Thor for the patch.)
• Fix Bug 717826 to emit the correct line terminator (CR LF) in optimized SVG content on the version of Scour used in Inkscape on Windows.
• Fix Bug 734933 to avoid deleting renderable LineTo commands in paths, which happen to end where they started, if their stroke-linecap property has the value "round".
• Fix Bug 717254 to delete <defs> elements that become empty after unreferenced element removal. (Thanks to Jan Thor for the patch.)
• Fix Bug 627372 to future-proof the parameter passing between Scour and Inkscape. (Thanks to Bernd Feige for the patch.)
• Fix Bug 638764, which crashed Scour due to Python Issue 2531 regarding floating-point handling in ArcTo path commands. (Thanks to Walther for investigating this bug.)
• Per Bug 654759, enable librsvg workarounds by default in Scour.
• Added ID change and removal protection options per bug 492277: --protect-ids-noninkscape, --protect-ids-prefix, --protect-ids-list. (Thanks to Jan Thor for this patch.)

Version 0.25 (2010-07-11)

• Fix Bug 541889 to parse polygon/polyline points missing whitespace/comma separating a negative value. Always output points attributes as comma-separated.
• Fix Bug 519698 to properly parse move commands that have line segments.
• Fix Bug 577940 to include stroke-dasharray into list of style properties turned into XML attributes.
• Fix Bug 562784, typo in Inkscape description
• Fix Bug 603988, do not commonize attributes if the element is referenced elsewhere.
• Fix Bug 604000, correctly remove default overflow attributes.
• Fix Bug 603994, fix parsing of <style> element contents when a CDATA is present
• Fix Bug 583758, added a bit to the Inkscape help text saying that groups aren't collapsed if IDs are also not stripped.
• Fix Bug 583458, another typo in the Inkscape help tab.
• Fix Bug 594930, In a <switch>, require one level of <g> if there was a <g> in the file already. Otherwise, only the first subelement of the <g> is chosen and rendered.
• Fix Bug 576958, "Viewbox option doesn't work when units are set", when renderer workarounds are disabled.
• Added many options: --remove-metadata, --quiet, --enable-comment-stripping, --shorten-ids, --renderer-workaround.

Version 0.24 (2010-02-05)

• Fix Bug 517064 to make XML well-formed again
• Fix Bug 503750 fix Inkscape extension to correctly pass --enable-viewboxing
• Fix Bug 511186 to allow comments outside of the root <svg> node

Version 0.23 (2010-01-04)

• Fix Bug 482215 by using os.linesep to end lines
• Fix unittests to run properly in Windows
• Removed default scaling of image to 100%/100% and creating a viewBox. Added --enable-viewboxing option to explicitly turn that on
• Fix Bug 503034 by only removing children of a group if the group itself has not been referenced anywhere else in the file

Version 0.22 (2009-11-09)

• Fix Bug 449803 by ensuring input and output filenames differ.
• Fix Bug 453737 by updated Inkscape's scour extension with a UI
• Fix whitespace collapsing on non-textual elements that had xml:space="preserve"
• Fix Bug 479669 to handle empty <style> elements.

Version 0.21 (2009-09-27)

• Fix Bug 427309 by updated Scour inkscape extension file to include yocto_css.py
• Fix Bug 435689 by properly preserving whitespace in XML serialization
• Fix Bug 436569 by getting xlink:href prefix correct with invalid SVG

Version 0.20 (2009-08-31)

• Fix Bug 368716 by implementing a really tiny CSS parser to find out if any style element have rules referencing gradients, filters, etc
• Remove unused attributes from parent elements
• Fix a bug with polygon/polyline point parsing if there was whitespace at the end

Version 0.19 (2009-08-13)

• Fix XML serialization bug: xmlns:XXX prefixes not preserved when not in default namespace
• Fix XML serialization bug: remapping to default namespace was not actually removing the old prefix
• Move common attributes to ancestor elements
• Fix Bug 412754: Elliptical arc commands must have comma/whitespace separating the coordinates
• Scour lengths for svg x,y,width,height,*opacity,stroke-width,stroke-miterlimit

Version 0.18 (2009-08-09)

• Remove attributes of gradients if they contain default values
• Reduce bezier/quadratic (c/q) segments to their shorthand equivalents (s/t)
• Move to a custom XML serialization such that id/xml:id is printed first (Thanks to Richard Hutch for the suggestion)
• Added --indent option to specify indentation type (default='space', other options: 'none', 'tab')

Version 0.17 (2009-08-03)

• Only convert to #RRGGBB format if the color name will actually be shorter
• Remove duplicate gradients
• Remove empty q,a path segments
• Scour polyline coordinates just like path/polygon
• Scour lengths from most attributes
• Remove redundant SVG namespace declarations and prefixes

Version 0.16 (2009-07-30)

• Fix Bug 401628: Keep namespace declarations when using --keep-editor-data (Thanks YoNoSoyTu!)
• Remove trailing zeros after decimal places for all path coordinates
• Use scientific notation in path coordinates if that representation is shorter
• Scour polygon coordinates just like path coordinates
• Add XML prolog to scour output to ensure valid XML, added --strip-xml-prolog option

Version 0.15 (2009-07-05)

• added --keep-editor-data command-line option
• Fix Bug 395645: Keep all identified children inside a defs (Thanks Frederik!)
• Fix Bug 395647: Do not remove closepath (Z) path segments

Version 0.14 (2009-06-10)

• Collapse adjacent commands of the same type
• Convert straight curves into line commands
• Eliminate last segment in a polygon
• Rework command-line argument parsing
• Fix bug in embedRasters() caused by new command-line parsing
• added --disable-embed-rasters command-line option

Version 0.13 (2009-05-19)

• properly deal with fill="url("#foo")"
• properly handle paths with more than 1 pair of coordinates in the first Move command
• remove font/text styles from shape elements (font-weight, font-size, line-height, etc)
• remove -inkscape-font-specification styles
• added --set-precision argument to set the number of significant digits (defaults to 5 now)
• collapse consecutive h,v coords/segments that go in the same direction

Version 0.12 (2009-05-17)

• upgraded enthought's path parser to handle scientific notation in path coordinates
• convert colors to #RRGGBB format
• added option to disable color conversion

Version 0.11 (2009-04-28)

• convert gradient stop offsets from percentages to float
• convert gradient stop offsets to integers if possible (0 or 1)
• fix bug in line-to-hv conversion
• handle non-ASCII characters (Unicode)
• remove empty line or curve segments from path
• added option to prevent style-to-xml conversion
• handle compressed svg (svgz) on the input and output
• added total time taken to the report
• Removed XML pretty printing because of this problem.

Version 0.10 (2009-04-27)

• Remove path with empty d attributes
• Sanitize path data (remove unnecessary whitespace)
• Convert from absolute to relative path data
• Remove trailing zeroes from path data
• Limit to no more than 6 digits of precision
• Remove empty line segments
• Convert lines to horiz/vertical line segments where possible
• Remove some more default styles (display:none, visibility:visible, overflow:visible, marker:none)

Version 0.09 (2009-04-25)

• Fix bug when removing stroke styles
• Remove gradients that are only referenced by one other gradient
• Added option to prevent group collapsing
• Prevent groups with title/desc children from being collapsed
• Remove stroke="none"

Version 0.08 (2009-04-22)

• Remove unnecessary nested <g> elements
• Remove duplicate gradient stops (same offset, stop-color, stop-opacity)
• Always keep fonts inside <defs>, always keep ids on fonts
• made ID stripping optional (disabled by default)

Version 0.07 (2009-04-15)

• moved all functionality into a module level function named 'scour' and began adding unit tests
• prevent metadata from being removed if they contain only text nodes
• Remove unreferenced pattern and gradient elements outside of defs
• Removal of extra whitespace, pretty printing of XML

Version 0.06 (2009-04-13)

• Prevent error when stroke-width property value has a unit
• Convert width/height into a viewBox where possible
• Convert all referenced rasters into base64 encoded URLs if the files can be found

Version 0.05 (2009-04-07)

• Removes unreferenced elements in a <defs>
• Removes all inkscape, sodipodi, adobe elements
• Removes all inkscape, sodipodi, adobe attributes
• Remove all unused namespace declarations on the document element
• Removes any empty <defs>, <metadata>, or <g> elements
• Style fix-ups:
• Fixes any style properties like this: style="fill: url(#linearGradient1000) rgb(0, 0, 0);"
  • Removes any style property of: opacity: 1;
  • Removes any stroke properties when stroke=none or stroke-opacity=0 or stroke-width=0
  • Removes any fill properties when fill=none or fill-opacity=0
  • Removes all fill/stroke properties when opacity=0
  • Removes any stop-opacity: 1
  • Removes any fill-opacity: 1
  • Removes any stroke-opacity: 1
• Convert style properties into SVG attributes