[cairo-bugs] [Bug 90166] Add a way to specify units

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90166

Antonio Ospite <ao2 at ao2.it> changed:

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 Attachment #134799|0                           |1
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--- Comment #11 from Antonio Ospite <ao2 at ao2.it> ---
Created attachment 135226
  --> https://bugs.freedesktop.org/attachment.cgi?id=135226&action=edit
svg: add a new function to specify the SVG document unit v2

Hi,

here is v2 of the patch.

Changes since v1:

  * Reoder the units: put the USER unit as the first one as this seems to be
    the default unit according to the SVG specification.

  * Fix some minor typos in comments, reword some sentences in the
    documentation.

  * Mention that the default unit for SVG documents generated by cairo is
    "pt".

  * Add a getter function to retrieve the current unit of a SVG surface.


NOTE: In the documentation blocks I left the parameter name to @surface even
though the actual parameter in the code is called abstract_surface, because
this is how it's done in other places like
cairo_svg_surface_restrict_to_version().

Ciao,
   Antonio

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