Carl, Thanks! I appreciate the help. I should have posted here a few months ago when I first found the problem! Your solution worked perfect. To fix, I replaced these lines: cairo_scale (cr, width, height); cairo_set_source_surface (cr, widget->bg_image_surface, 0, 0); cairo_paint (cr); With these lines: cairo_scale (cr, width, height); cairo_set_source_surface (cr, widget->bg_image_surface, 0, 0); cairo_pattern_set_extend(cairo_get_source(cr), CAIRO_EXTEND_PAD); cairo_rectangle(cr, 0, 0, width, height); cairo_fill(cr); One thing to note, in my particular case, using cairo_paint worked fine. I figured I would add the cairo_rectangle & cairo_fill calls anyway, just to be safe. If I can be of more help in tracking down this bug I'll lend my assistance. I'm personally out of ideas except for tracking down the issue to a block of code based on two versions of the intel drivers, which seems extremely painful. Thanks, Mike -- <div class="gmail_quote">On Thu, Jul 30, 2009 at 2:06 PM, Carl Worth <<a href="mailto:cworth@cworth.org">cworth@cworth.org</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> <div class="im">On Thu, 2009-07-30 at 10:54 -0700, Bill Spitzak wrote: > Hate to be a pain about this, but I want to point out that this is yet > ANOTHER example that this is in fact NOT what any user expects or wants. > They think the driver is broken, in no way do they think it is doing the > correct thing! </div>Yes, Bill. We know that this is a common cause of confusion. I probably made a mistake in making EXTEND_NONE the default for surface-based patterns, (compare with gradient patterns where EXTEND_PAD is the default). If we had EXTEND_PAD as the default, then it would be that much easier for people to understand what cairo_paint() does and they would be forced to fix their code to do things like cairo_rectangle()cairo_fill() even before usiong a non-identity transformation. <div class="im"> > I still think Cairo could be changed to do EXTEND_REPEAT and clip with > an antialiased polygon and everybody would be happier. </div>Certainly you mean EXTEND_PAD here, not EXTEND_REPEAT, (since EXTEND_REPEAT will give you discontinuities unless your image happens to be periodic). But still, adding an additional stage of compositing to all operations would not make me happy at all, (nor anybody else who cares about performance). The operation that people want is available in cairo, it just takes a little more typing, (set_extend;rectangle;fill rather than paint), but it's the kind of thing that's easy to wrap up as a "draw_image" function in whatever environment is calling into cairo. -Carl _______________________________________________ cairo mailing list <a href="mailto:cairo@cairographics.org">cairo@cairographics.org</a> <a href="http://lists.cairographics.org/mailman/listinfo/cairo" target="_blank">http://lists.cairographics.org/mailman/listinfo/cairo</a> </blockquote></div>