DO NOT REPLY [Bug 46757] New: WMF Transcoding problems with positioning of elements

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=46757

           Summary: WMF Transcoding problems with positioning of elements
           Product: Batik
           Version: 1.8
          Platform: PC
        OS/Version: All
            Status: NEW
          Severity: major
          Priority: P2
         Component: Utilities
        AssignedTo: batik-dev@xmlgraphics.apache.org
        ReportedBy: andrew.barnham@gmail.com


Created an attachment (id=23298)
 --> (https://issues.apache.org/bugzilla/attachment.cgi?id=23298)
Problematic .wmf resultant .svg with and without patches.

Hi Had a few problems with some wmf's I am trying to convert into svg.

See attached .zip file. It contains 3 items:

Original WMF
Resultant SVG that Batik 1.8pre emits (with clipping removed, I hacked dom to
remove it because causes me troubles)
Resultant SVG after I patched in some hacks into code.

I hacked in some fixes so not a critical issue for me, but would be nice for a
fix to appear so that I don't have to maintain a patched version for my own
needs.

Hack #1 - org.apache.batik.transcoder.wmf.tosvg.WMFRecordStore
---
253c
                    } else {
                        ySign = 1;
                    }
.
249c
                    } else {
                        xSign= 1;
                    }
.
---
This one definitly looks like a bug to me. If I have a view port/window thingo
that sets up a port with -ve numbers then a second one with +ve numbers then
xSign/ySign do not get reset. Looks like to me that they should.

Hack #2 - VpX/VpY settings. Image was not aligned/offset correctly.
---
183,184c
                    currentStore.setVpX( vpX = (float)mr.elementAt( 0 ) );
                    currentStore.setVpY( vpY = (float)mr.elementAt( 1 ) );
.
---

Original code havd -ves in there. Dunno why but when I removed them my .wmf to
.svg came good (almost) - it is not aligned quite the way I'd like it but it's
close enough for my purposes.

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