[cairo] rsvg cairo and the size-22

[Dominic Lachowicz]

rsvg_handle_get_dimensions() doesn't require you to pass it a cairo
context first.

The "nil" surface is internal to librsvg. Nothing worth googling about.

On Mon, Jul 12, 2010 at 1:45 PM, donn <donn.ingle at gmail.com> wrote:
> On 12/07/2010 17:10, Dominic Lachowicz wrote:
>>
>> Unless I mis-understand you, RSVG has a method to get the SVG's size.
>
> Only once the drawing is rendered. You have to pass it (afaik) a cairo
> context first — that means making a surface to a size.
>
>> If there's no size in the SVG, RSVG does a "render" onto a nil surface
>> in order to determine the SVG's bounding box.
>
> I have looked at my docs, but can't see anything about a nil surface, will
> hit google soon.
>
> It really looks like an inevitable problem thought; I reckon a double draw
> seems the most efficient way to do things.
>
> Thx,
> \d
>
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