On 28/10/08 15:08, Helder Magalhães wrote:
I'm not sure if that (Squiggle's menu buttons using subpixel
rendering) proves it. AFAIK, Java is able to use the native operating
system widgets so, although you may have sub-pixel rendering enabled
at the operating system level, your Java settings may (potentially)
not be configured to take advantage of it.
I don't think that squiggle uses native operating system widgets. The
following tests show that the awt.useSystemAAFontSettings property can
be used to turn anti-aliasing off for widgets. That a java property
changes the appearance of the widgets makes me think that they are not
system widgets.
When I run
/opt/jdk1.6.0_10/bin/java -Dawt.useSystemAAFontSettings=false -cp
batik.jar -jar batik-squiggle.jar /tmp/samples/subpixel.svg
the text in the menus is drawn without any anti-aliasing at all. The
text in the SVG file is drawn with gray-scale anti-aliasing.
When I run
/opt/jdk1.6.0_10/bin/java -Dawt.useSystemAAFontSettings=lcd -cp
batik.jar -jar batik-squiggle.jar /tmp/samples/subpixel.svg
the text in the menus is drawn with subpixel rendering. The text in the
SVG file is still drawn with gray-scale anti-aliasing.
So awt.useSystemAAFontSettings can be used to change the rendering of
widgets but not Batik's text rendering. Batik appears to override the
default java settings. Does anyone know where this happens?
I found awt.useSystemAAFontSettings in
http://java.sun.com/products/java-media/2D/reference/faqs/
thanks
Stuart
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