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Posted to dev@poi.apache.org by bu...@apache.org on 2016/03/14 17:13:27 UTC
[Bug 59180] New: XSSFGraphicFrame hides anchor from XSSFShape
https://bz.apache.org/bugzilla/show_bug.cgi?id=59180
Bug ID: 59180
Summary: XSSFGraphicFrame hides anchor from XSSFShape
Product: POI
Version: 3.14-FINAL
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: XSSF
Assignee: dev@poi.apache.org
Reporter: tony.benbrahim@gmail.com
Created attachment 33674
--> https://bz.apache.org/bugzilla/attachment.cgi?id=33674&action=edit
inspection of anchor field
XSSFGraphicFrame incorrectly declares its own anchor field, hiding the anchor
property from XSSFShape. The achor property from XSSFShape has the anchor
value, the one from XSSFGraphicFrame is always null.
Workaround:
I was working with the graphic frame for a chart. I was able to get the anchor
through the chart parent:
final XSSFDrawing parent = (XSSFDrawing) chart.getParent();
final CTTwoCellAnchor twoCellAnchorArray =
parent.getCTDrawing().getTwoCellAnchorArray(0);
final XSSFClientAnchor xssfClientAnchor = new XSSFClientAnchor((int)
twoCellAnchorArray.getFrom().getColOff(),
(int) twoCellAnchorArray.getFrom().getRowOff(), (int)
twoCellAnchorArray.getTo().getColOff(),
(int) twoCellAnchorArray.getTo().getRowOff(),
twoCellAnchorArray.getFrom().getCol(),
twoCellAnchorArray.getFrom().getRow(),
twoCellAnchorArray.getTo().getCol(),
twoCellAnchorArray.getTo().getRow());
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[Bug 59180] XSSFGraphicFrame hides anchor from XSSFShape
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59180
Tony BenBrahim <to...@gmail.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
OS| |All
--- Comment #1 from Tony BenBrahim <to...@gmail.com> ---
Workaround above did not work in one case of three (wrong parent returned by
chart.getParent().
I ended up using this (ugly but works)
if (shape instanceof XSSFGraphicFrame) {
try {
final Field anchorField = XSSFShape.class.getDeclaredField("anchor");
anchorField.setAccessible(true);
final XSSFClientAnchor anchor = (XSSFClientAnchor) anchorField.get(shape);
renderGraphicsFrame...
} catch (NoSuchFieldException | SecurityException | IllegalAccessException
|
IllegalArgumentException e) {
LOG.info("unable to extract anchor for chart", e);
}
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[Bug 59180] XSSFGraphicFrame hides anchor from XSSFShape
Posted by bu...@apache.org.
https://bz.apache.org/bugzilla/show_bug.cgi?id=59180
--- Comment #2 from Dominik Stadler <do...@gmx.at> ---
One thing that makes it a bit more complex to fix this is that
XSSFGraphicFrame uses an XSSFClientAnchor, but XSSFShape the superclass
XSSFAnchor. XSSFClientAnchor seems to hold a bit more information, so I am not
sure how this can be combined without causing compatibility problems and
missing functionality.
The best way I can think of is to rename the field/getters/setters in
XSSFGraphicFrame to get/setClientAnchor() to have both available for now,
however this still could cause some compatibility errors for other users of
XSSFGraphicFrame.
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