2010/8/11 Krzysztof Kosiński <[email protected]> > The 16.16 limitation on gradient coordinates and transformation > matrices is insufficient and causes glitches when rendering gradients > and bitmaps at 40x zoom, and in certain cases even at 1x zoom. It > would be best if gradients could use the full precision of doubles, as > exposed in Cairo. >
The gradients in your test case ( https://bugs.freedesktop.org/show_bug.cgi?id=29470) can be rendered fine with just 16.16 fixed point math. It's just that the implementation in pixman is not very accurate. I guess it's accumulating errors. > Regards, Krzysztof > -- > cairo mailing list > [email protected] > http://lists.cairographics.org/mailman/listinfo/cairo >
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