incorrect line rendering

Graeme Gill graeme2 at
Sat Oct 13 17:35:10 PDT 2007

Michal Bozon wrote:

> I have noticed that arcs and lines in certain angles are rendered ugly in X11.
 > They are not the same as would be the result of the Bresenham's rasterization algorithm.

The line rendering depends on the line width. Zero width lines in X11 don't
have a precisely defined rendering, but are meant to be fast. 1 pixel lines
and above, do have a defined rendering. Often Bresenham's algorithm is
used for zero width lines. What width lines are you viewing ?

Graeme Gill.

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