Difference between revisions of "User:Tsingi"

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=== Wiki Notes Annotated ===
=== Wiki Notes Annotated ===


''In italics is a copy of the '''Cleaning Operations''' list from the [http://wiki.inkscape.org/wiki/index.php/Save_Cleaned_SVG Save_Cleaned_SVG] page''
'''''In italics is a copy of the '''Cleaning Operations''' list from the [http://wiki.inkscape.org/wiki/index.php/Save_Cleaned_SVG Save_Cleaned_SVG] page'''''


My notes are formatted like this.
My notes are formatted like this.


* ''Specify a limit to the precision of all positional elements.''
* '''''Specify a limit to the precision of all positional elements.'''''
: '''DONE''' trimming precision was my first priority.  precision can be set to -1 (off) or 0..9.  islint gives an extra decimal to transformation floats, so if you set prec=1, a matrix will have values to two decimal places.  This is to preserve a little sanity at a low cost should there be nested transforms.
: '''DONE''' trimming precision was my first priority.  precision can be set to -1 (off) or 0..9.  islint gives an extra decimal to transformation floats, so if you set prec=1, a matrix will have values to two decimal places.  This is to preserve a little sanity at a low cost should there be nested transforms.
* ''Clean up XML Elements''
* '''''Clean up XML Elements'''''
** ''Collapse multiple redundant groups''
** '''''Collapse multiple redundant groups'''''
: '''Not done''' easy to do though.  '''Low priority'''.
: '''Not done''' easy to do though.  '''Low priority'''.
** ''Remove empty tags, such as defs or metadata.''
** '''''Remove empty tags, such as defs or metadata.'''''
: '''Not done''' easy to do though.  '''Low priority'''.
: '''Not done''' easy to do though.  '''Low priority'''.
** ''Remove id tags for elements not referenced''
** '''''Remove id tags for elements not referenced'''''
: '''Not done''' I like to have an id on everything.  I usually want something more useful than path1234, but that requires either human intervention, or a targetted generator.  I can add it as an option, '''low priority'''
: '''Not done''' I like to have an id on everything.  I usually want something more useful than path1234, but that requires either human intervention, or a targetted generator.  I can add it as an option, '''low priority'''
* ''Clean up Definitions''
* '''''Clean up Definitions'''''
** ''Remove unused definitions''
** '''''Remove unused definitions'''''
** ''Remove duplicate gradient stops''
** '''''Remove duplicate gradient stops'''''
** ''Collapse duplicate gradient definitions''
** '''''Collapse duplicate gradient definitions'''''
** ''Remove gradients that are only referenced by one other gradient''
** '''''Remove gradients that are only referenced by one other gradient'''''
* ''Clean up CSS''
* '''''Clean up CSS'''''
** ''Remove Default values, i.e. opacity: 1;''
** '''''Remove Default values, i.e. opacity: 1;'''''
** ''Remove Not applicable  values, i.e. opacity: 0; fill-color: #00000;''
** '''''Remove Not applicable  values, i.e. opacity: 0; fill-color: #00000;'''''
** ''Convert RGB colours from RGB(r,g,b) to #RRGGBB format''
** '''''Convert RGB colours from RGB(r,g,b) to #RRGGBB format'''''
** ''Convert RGB colours from #RRGGBB to #RGB if possible''
** '''''Convert RGB colours from #RRGGBB to #RGB if possible'''''
* ''Clean up paths''
* '''''Clean up paths'''''
** ''Detect vertical/horizontal lines and replace.''
** '''''Detect vertical/horizontal lines and replace.'''''
** ''Eliminate empty path segments''
** '''''Eliminate empty path segments'''''
** ''Eliminate last segment in a polygon''
** '''''Eliminate last segment in a polygon'''''
** ''Collapse straight curves.''
** '''''Collapse straight curves.'''''
** ''Convert absolute path segments to relative ones.''
** '''''Convert absolute path segments to relative ones.'''''
* ''Process Transformations''
* '''''Process Transformations'''''
** ''Process quadratic Bezier curves''
** '''''Process quadratic Bezier curves'''''
** ''Collapse all group based transformations''
** '''''Collapse all group based transformations'''''
* ''Convert known properties to element attributes''
* '''''Convert known properties to element attributes'''''
** ''css to element attributes''
** '''''css to element attributes'''''
* ''Output Standard SVG''
* '''''Output Standard SVG'''''
** ''Remove inkscape namespace''
** '''''Remove inkscape namespace'''''
** ''Remove sodipodi namespace''
** '''''Remove sodipodi namespace'''''
** ''Remove adobe namespace''
** '''''Remove adobe namespace'''''
** ''Use viewPort instead of document width/height''
** '''''Use viewPort instead of document width/height'''''

Revision as of 10:30, 24 September 2009

I've started contributing to InkScape in my own way, I have made a dent on a filter to sanitize InkScape.

My motives are purely selfish. I'm one of the authors of SVG, I work with SVG, and I find InkScape to be an excellent tool, but I spend a lot of time editing InkScape output with vi to clean it up for use in dynamic web apps (mostly). A task with very low entertainment value. Writing filters is more fun.

islint is pretty useful to me as is now, it has a way to go before it will serve as a general filter for InkScape.

This is the wrong place to do this, but it will serve for now...

islint

Wiki Notes Annotated

In italics is a copy of the Cleaning Operations list from the Save_Cleaned_SVG page

My notes are formatted like this.

  • Specify a limit to the precision of all positional elements.
DONE trimming precision was my first priority. precision can be set to -1 (off) or 0..9. islint gives an extra decimal to transformation floats, so if you set prec=1, a matrix will have values to two decimal places. This is to preserve a little sanity at a low cost should there be nested transforms.
  • Clean up XML Elements
    • Collapse multiple redundant groups
Not done easy to do though. Low priority.
    • Remove empty tags, such as defs or metadata.
Not done easy to do though. Low priority.
    • Remove id tags for elements not referenced
Not done I like to have an id on everything. I usually want something more useful than path1234, but that requires either human intervention, or a targetted generator. I can add it as an option, low priority
  • Clean up Definitions
    • Remove unused definitions
    • Remove duplicate gradient stops
    • Collapse duplicate gradient definitions
    • Remove gradients that are only referenced by one other gradient
  • Clean up CSS
    • Remove Default values, i.e. opacity: 1;
    • Remove Not applicable values, i.e. opacity: 0; fill-color: #00000;
    • Convert RGB colours from RGB(r,g,b) to #RRGGBB format
    • Convert RGB colours from #RRGGBB to #RGB if possible
  • Clean up paths
    • Detect vertical/horizontal lines and replace.
    • Eliminate empty path segments
    • Eliminate last segment in a polygon
    • Collapse straight curves.
    • Convert absolute path segments to relative ones.
  • Process Transformations
    • Process quadratic Bezier curves
    • Collapse all group based transformations
  • Convert known properties to element attributes
    • css to element attributes
  • Output Standard SVG
    • Remove inkscape namespace
    • Remove sodipodi namespace
    • Remove adobe namespace
    • Use viewPort instead of document width/height
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