[gs-bugs] [Bug 691320] Extra trapezoids and rectangles being painted

bugzilla-daemon at ghostscript.com bugzilla-daemon at ghostscript.com
Tue May 18 17:26:12 UTC 2010


http://bugs.ghostscript.com/show_bug.cgi?id=691320

--- Comment #2 from Ray Johnston <ray.johnston at artifex.com> 2010-05-18 17:26:11 UTC ---
I forgot to mention that it would be nice, where possible to avoid the first
and
last trapezoid calls for the fill_adjust area generated by fill_slant_adjust
when it is possible to combine with the 'central' trapezoid and count on that
to paint the same pixels.

In the example, this could be done for the last trapezoid, but not for the
first (if my math is correct).

Thus this example would boil down to painting a rectangular top line (height 1)
and a single trapezoid.

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