Am 31.12.2010 um 16:29 schrieb Matthias Arndt:
> - Draw 2D lines in OpenGL
>
> I dropped the OpenGL approach due to too many drawbacks, e. g. missing round
> line caps, resolution-dependence of line width, ... The shadow approach looks
> best, but is out of question due to its bad performance.
Which means you used OpenGL line drawing primitives. You could try to use
pre-rendered images with transparency (=shadow), with linecaps separate and an
stretchable image for the line. Google keywords: Texture2d, 2d texture drawing.
If you don't want to use OpenGL directly, Quartz 2D and / or CoreAnimation will
drill down to OpenGL based drawing rather sooner than later.
HTH,
Thomas
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