[OpenJDK 2D-Dev] More incompatibilities
roman.kennke at aicas.com
Tue Mar 3 08:19:16 UTC 2009
> I believe that the minX and maxX parameters to that function are
> relative to the origin of the raster coordinates which means you would
> add each of them to the raster's origin (rasterMinX) to get an absolute
> min/maxX. So they look correct as written.
> If this change fixes the problem, then it is a side effect of moving the
> right edge of the "startRow" call out to the right some more. That
> could indicate that perhaps maxX was not calculated correctly in the
> first place and so expanding it out "covers up" the problem.
Without having looked at the code, maybe this is a rounding problem? I
think the pisces code was written for fixed point and adopted to
floating point for OpenJDK.
> It sounds like it needs more investigation than that simple change...
Yeah. I will have a look as this also bothers me a little.
Dipl.-Inform. (FH) Roman Kennke, Software Engineer, http://kennke.org
aicas Allerton Interworks Computer Automated Systems GmbH
Haid-und-Neu-Straße 18 * D-76131 Karlsruhe * Germany
http://www.aicas.com * Tel: +49-721-663 968-48
USt-Id: DE216375633, Handelsregister HRB 109481, AG Karlsruhe
Geschäftsführer: Dr. James J. Hunt
More information about the 2d-dev