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Posted to batik-dev@xmlgraphics.apache.org by bu...@apache.org on 2006/09/01 18:48:55 UTC
DO NOT REPLY [Bug 40392] New: - JGVTComponent doesn't respect the opacity setting
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Summary: JGVTComponent doesn't respect the opacity setting
Product: Batik
Version: 1.6
Platform: Other
OS/Version: other
Status: NEW
Severity: normal
Priority: P3
Component: GVT
AssignedTo: batik-dev@xmlgraphics.apache.org
ReportedBy: kirillcool@yahoo.com
The JGVTComponent.paintComponent ignores the opacity setting and paints the
background in any case:
g2d.setComposite(AlphaComposite.SrcOver);
g2d.setPaint(getBackground());
g2d.fillRect(visRect.x, visRect.y,
visRect.width, visRect.height);
A workaround is to set the background to new Color(0x0, true)
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DO NOT REPLY [Bug 40392] - JGVTComponent doesn't respect the opacity setting
Posted by bu...@apache.org.
DO NOT REPLY TO THIS EMAIL, BUT PLEASE POST YOUR BUG�
RELATED COMMENTS THROUGH THE WEB INTERFACE AVAILABLE AT
<http://issues.apache.org/bugzilla/show_bug.cgi?id=40392>.
ANY REPLY MADE TO THIS MESSAGE WILL NOT BE COLLECTED AND�
INSERTED IN THE BUG DATABASE.
http://issues.apache.org/bugzilla/show_bug.cgi?id=40392
deweese@apache.org changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Resolution| |INVALID
------- Additional Comments From deweese@apache.org 2006-09-05 11:25 -------
(In reply to comment #0)
> The JGVTComponent.paintComponent ignores the opacity setting and paints the
> background in any case:
I take it you are refering to:
JComponent.setOpaque(boolean isOpaque)
If so your 'workaround' is the correct answer. One might
argue that Batik should look at the 'Background' given and
setOpaque(flase) if the background color has an alpha less
than 1.0 (255). The purpose of setOpaque is to inform
Swing that it needs to draw any components that are 'under'
the canvas. Otherwise it skips painting them under the
assumption that the Canvas will simply cover them.
> A workaround is to set the background to new Color(0x0, true)
This is in fact the correct thing to do.
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