[cairo] about draw line

Emmanuel Pacaud emmanuel.pacaud at lapp.in2p3.fr
Sat Sep 19 11:48:03 PDT 2009


Le samedi 19 septembre 2009 à 20:05 +0200, 张玲春 a écrit : 
> I use cairo to draw a horizontal line, regardless of how much the use
> of cairo_line_width set, I found it to be occupied by 2 pixels high
> census drawn. I would like to draw a precise line, may I ask how to do



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