[cairo] bug: result depends on 'right/left'

[calmar]

Hi,

I did not double check that but well:

Assuming line width is 1 pixel.

When I want a point at position 10,10, I can achive this with:

,-------------------------------------------
| cairo_move_to 10,10 + cairo_line_to 11,11
|
| or
|
| cairo_move_to 11,10 + cairo_line_to 10,10
`-------------------------------------------

that seems to be quite complex to handle - thinking about if you
draw from left to right or vice versa

Theoretically in both cases there should be a line 2 pixels long?

Anyway, maybe I err

cheers
marco

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