[cairo] Emphasized coordinates

[Jonathan Morton]

On Fri, 2010-08-20 at 16:06 +0000, necko necko wrote:
> I use the library for displaying connection between a number of
> coordinates.  Since this number might be very large, the line
> thickness is small. However, these coordinates are very important, and
> I wonder whether there is a way to somehow make them more clear. This
> would mean that the join of two lines should be a dot a bit more
> emphasized (slightly larger than the line thickness). Is there a way
> to achieve this in cairo?

The simplest way I can think of is to explicitly draw a small circle on
top of each coordinate you want to emphasise.

-- 
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From: Jonathan Morton
      jonathan.morton at movial.com