[Bug 45312] HSSFSimpleShape can not draw line properly.

[bu...@apache.org]

https://issues.apache.org/bugzilla/show_bug.cgi?id=45312

--- Comment #1 from Dominik Stadler <do...@gmx.at> ---
I did some analysis: it seems Excel and OpenOffice use a flag "FLIPVERT" and
reverse vertical coordinates for the second drawing, so a workaround currently
is to use the following:

                HSSFClientAnchor a1 = new HSSFClientAnchor();
                a1.setAnchor( (short)2, 2, 512, 0, (short) 2, 2, 1024, 100);
                HSSFSimpleShape shape1 = patriarch.createSimpleShape(a1);
                shape1.setFlipVertical(true);
                shape1.setShapeType(HSSFSimpleShape.OBJECT_TYPE_LINE);

we probably need to search the spec if this behavior is described, when the
record is serialized, the data ends up in two separate sub-records of the
EscherContainerRecord:

           Child 0:
            org.apache.poi.ddf.EscherSpRecord:
              RecordId: 0xF00A
              Version: 0x0002
              ShapeType: 0x0014
              ShapeId: 1025
              Flags: FLIPVERT|HAVEANCHOR|HASSHAPETYPE (0x00000A80)
            ...
           Child 2:
            org.apache.poi.ddf.EscherClientAnchorRecord:
              RecordId: 0xF010
              Version: 0x0000
              Instance: 0x0000
              Flag: 0
              Col1: 2
              DX1: 512
              Row1: 2
              DY1: 0
              Col2: 2
              DX2: 1024
              Row2: 2
              DY2: 100
              Extra Data:
            No Data

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