Is anything going to happen about fixing bug id 4151279 (Filled ellipses are
often not as smooth as calling fillOval in JDK 1.1)? I'm coming up to
deployment of my applet and if 4151279 isn't fixed in 1.3 I'm going to have
to take steps to work around it.
My applet is written to JDK 1.0 and works well under browsers supporting
JDK 1.0 and 1.1. There are problems with JDK 1.2.
The applet uses small circles (4-10 pixel diameter) to act as markers on a map.
The map itself is buffered through an offscreen image while the map legend is
drawn directly to a window. Under JDK 1.0 and JDK 1.1 the offscreen image is
an instance of sun.awt.motif.X11OffScreenImage while under JDK 1.2 it's a
java.awt.image.BufferedImage.
This results in the following problems:
1) Drawing the map is slower under 1.2 because more work is done in rendering
the circles: there's all sorts of Bezier stuff happening in 1.2 whereas
in 1.0 and 1.1 the circle rendering is passed off to the X server.
2) The circles in 1.2 look ugly, and non-circular.
3) The circles on the map (drawn to a java.awt.image.BufferedImage) have a
different shape to those drawn directly to the legend window without any
buffering. Drawing directly to a window is still using native X11 methods.
The sun.awt.motif.X11OffScreenImage no longer exists in 1.2. Ideally I'd like
to have it restored, preferably with the same API but using a different one if
necessary, so that I can get the same behaviour under 1.2 as under previous
versions.
Ron
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