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http://www.openoffice.org/issues/show_bug.cgi?id=115096
------- Additional comments from osn...@openoffice.org Mon Nov 29 11:08:13
+0000 2010 -------
So a new version which uses the functions of b2dpolygontools which indeed
simplifies a lot the code.
The result between this version and the previous one seem quite similar except
that in some case where b2dpolygontools seems to generate odd splines.
Therefore I will also attach pict.bugs which
contains two examples which seem to err a lot with the following extensions:
- .pict: the original picture,
- .pict.ascii: the picture parsing,
- .pict.tiff: the quickdraw result,
- .pict.old.png: my previous result when I generated by hand the splines,
- .pict.new.png: the new result obtained with b2dpolygontools functions with a
red grid to show coordinates.
I dig a little to understand what happens:
For Image280, the small arc around O does not look like a arc ; for the three
arcs around O, the program constructs a B2DPolygon by calling
<< tools::createPolygonFromEllipseSegment(Pt, dim[0], dim[1], angl[0],
angl[1]);>> with
Arc: Pt=21x210, dim=62x62, angl=5.60251x1.74846e-07 // Ok, the
intermediate arc
Arc: Pt=20x210, dim=89x89, angl=5.27089x5.61996 // Ok,
the biggest arc
Arc: Pt=21x208, dim=56x56, angl=5.67232x0.0174534 // the
small arc which seems bugged
For Image7239, there must be two ellipses (*) around B and J ; in these case,
the program constructs the B2DPolygon by calling
<<tools::createPolygonFromRect(Rect, 1., 1.); >> with
RoundRect: Rect=125x33<->143x56 // ellipse around B
RoundRect: Rect=44x92<->61x113 // ellipse around J
so I guess that the problem was in b2dpolygontools, but I did not have time to
dig further....
(*) in fact, the picture asks to clear two round rectangles with maximum round
corners, which is a complicated way to define an ellipse....
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