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Posted to batik-dev@xmlgraphics.apache.org by bu...@apache.org on 2012/06/29 15:59:16 UTC
[Bug 53486] New: Valid input arcs produce non-rendered SVG arcs
https://issues.apache.org/bugzilla/show_bug.cgi?id=53486
Priority: P2
Bug ID: 53486
Assignee: batik-dev@xmlgraphics.apache.org
Summary: Valid input arcs produce non-rendered SVG arcs
Severity: normal
Classification: Unclassified
Reporter: rolf.sigg@ergon.ch
Hardware: PC
Status: NEW
Version: 1.7
Component: SVGGraphics2D
Product: Batik
In some situations, pie charts produced using JFreeChart and SVGGraphics2D are
rendered empty. Root cause is that the SVG spec states that elliptical arcs
with identical start and end point are omitted
(http://www.w3.org/TR/SVG11/implnote.html#ArcOutOfRangeParameters).
However, the input Arc2D is ok, it is rendered perfectly e.g. to a bitmap
image. The attached code sample produces both bitmap and SVG.
Increasing the numeric precision may help, but does not solve the problem.
There will be a case in which rounding effects will lead to identical start and
end points.
A possible approach could be to switch to circle based on the rounded points
(SVGGraphics2D switches to circle if the Arc2D describes a perfect circle).
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[Bug 53486] Valid input arcs produce non-rendered SVG arcs
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=53486
rolf.sigg@ergon.ch changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #2 from rolf.sigg@ergon.ch ---
Original message to batik-users:
http://mail-archives.apache.org/mod_mbox/xmlgraphics-batik-users/201206.mbox/%3C4FEC4943.6030404%40ergon.ch%3E
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[Bug 53486] Valid input arcs produce non-rendered SVG arcs
Posted by bu...@apache.org.
https://issues.apache.org/bugzilla/show_bug.cgi?id=53486
--- Comment #1 from rolf.sigg@ergon.ch ---
Created attachment 29007
--> https://issues.apache.org/bugzilla/attachment.cgi?id=29007&action=edit
Sample code producing both PNG and SVG
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