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[Bug 1391214] Re: dimensions and positions of objects not reading correctly

 

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** Changed in: librsvg (Ubuntu)
   Importance: Undecided => Low

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https://bugs.launchpad.net/bugs/1391214

Title:
  dimensions and positions of objects not reading correctly

Status in “librsvg” package in Ubuntu:
  New

Bug description:
  Hi,

  I am using inkscape to create a SVG files containing multiple objects
  and rsvg to then render these via cairo.

  I am using rsvg_handle_get_dimensions_sub and position_sub() to read
  the (x,y) and (w,h) for the objects which are then used to translate
  and scale cairo before using rsvg_handle_render_cairo_sub() to render
  the object.

  I am running into anomalies when reading this attributes. I have
  attached a stripped down source for a simple utility which 'walks' the
  XML of the file and calls the two functions to dump out all the
  objects in the file.

  I have also attached a sample SVG file created with inkscape with a
  single rectangle of 45x20px on a canvas of 100x100px

  Running svgsize on this produces:

  $ ./svgsize /tmp/inkscape.svg
  svg : svg2 100x 100 ( 0, 0)
  defs : defs4 0x 0 ( 0, 0)
  namedview : base 0x 0 ( 0, 0)
  grid : grid4469 0x 0 ( 0, 0)
  metadata : metadata7 0x 0 ( 0, 0)
  g : layer1 50x1047 ( 0,-1022)
  rect : rect4471 50x1047 ( 0,-1022)

  with scrambled sizes and positions for the rect.

  If I load the file into karbon (the KDE editor) and save it (with no
  other modifications), svgsize produces the correct numbers:

  $ ./svgsize /tmp/karbon1.svg
  g : layer1 45x 20 ( 5, 5)
  rect : rect4471 45x 20 ( 5, 5)

  Loading this back into Inkscape and saving it out again, and the
  original values are shown.

  I have tried this on inkscape stable 0.48 and the development 0.91

  I am using rsvg 2.36.1-0ubuntu1 from precise. I get the same problem
  with trusty.

  Thanks,

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References