tdf#160077 writerfilter: shape vertRelation is FRAME for layoutinCell

When layoutInCell is active, then the offset must be applied
against the paragraph instead of the page or page margins.

There were only two unit tests that matched this,
and both were off-sheet positioned.
-tdf151704_thinColumnHeight.docx
-tdf92157.docx

make CppunitTest_sw_ooxmlexport21 \
    CPPUNIT_TEST_NAME=testTdf160077_layoutInCell

Change-Id: I28241136c0c0be12d3f2dd876550ecdf91b0009c
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/164514
Tested-by: Jenkins
Reviewed-by: Justin Luth <jluth@mail.com>
Reviewed-by: Miklos Vajna <vmiklos@collabora.com>
diff --git a/sw/qa/extras/ooxmlexport/data/tdf160077_layoutInCell.docx b/sw/qa/extras/ooxmlexport/data/tdf160077_layoutInCell.docx
new file mode 100644
index 0000000..811fc47
--- /dev/null
+++ b/sw/qa/extras/ooxmlexport/data/tdf160077_layoutInCell.docx
Binary files differ
diff --git a/sw/qa/extras/ooxmlexport/ooxmlexport21.cxx b/sw/qa/extras/ooxmlexport/ooxmlexport21.cxx
index fcb2eea..5e320bb 100644
--- a/sw/qa/extras/ooxmlexport/ooxmlexport21.cxx
+++ b/sw/qa/extras/ooxmlexport/ooxmlexport21.cxx
@@ -354,6 +354,33 @@ DECLARE_OOXMLEXPORT_TEST(testTdf160049_anchorMargin15, "tdf160049_anchorMargin15
                         getProperty<sal_Int16>(getShape(1), "HoriOrientRelation"));
}

DECLARE_OOXMLEXPORT_TEST(testTdf160077_layoutInCell, "tdf160077_layoutInCell.docx")
{
    // given an in-table, slightly rotated image vertically aligned -1cm (above) the top page margin
    // (which is actually forced to layoutInCell, so that becomes 1cm above the paragraph instead)

    xmlDocUniquePtr pDump = parseLayoutDump();
    const sal_Int32 nCellTop
        = getXPath(pDump, "//row[1]/cell[1]/infos/bounds"_ostr, "top"_ostr).toInt32();
    const sal_Int32 nParaTop
        = getXPath(pDump, "//row[1]/cell[1]/txt/infos/bounds"_ostr, "top"_ostr).toInt32();
    const sal_Int32 nImageTop
        = getXPath(pDump, "//row[1]/cell[1]/txt/anchored/SwAnchoredDrawObject/bounds"_ostr,
                   "top"_ostr)
              .toInt32();
    // The image is approximately half-way between cell top and the start of the text
    // correct ImageTop: 3588, while incorrect value was 1117. Cell top is 3051, ParaTop is 4195
    const sal_Int32 nHalfway = nCellTop + (nParaTop - nCellTop) / 2;
    CPPUNIT_ASSERT_DOUBLES_EQUAL(nHalfway, nImageTop, 50); // +/- 4.4%

    // The effect is implemented by forcing "Entire paragraph area"/FRAME/0
    // instead of "Page text area"/PAGE_PRINT_AREA/8
    CPPUNIT_ASSERT_EQUAL(css::text::RelOrientation::FRAME,
                         getProperty<sal_Int16>(getShape(1), "VertOrientRelation"));
    // since layoutInCell had been turned off. If the implementation changes, check the layout.
    CPPUNIT_ASSERT(!getProperty<bool>(getShape(1), "IsFollowingTextFlow"));
}

DECLARE_OOXMLEXPORT_TEST(testTdf153909_followTextFlow, "tdf153909_followTextFlow.docx")
{
    // Although MSO's UI reports "layoutInCell" for the rectangle, it isn't specified or honored
diff --git a/writerfilter/source/dmapper/GraphicImport.cxx b/writerfilter/source/dmapper/GraphicImport.cxx
index b7d5f10..6ee8083 100644
--- a/writerfilter/source/dmapper/GraphicImport.cxx
+++ b/writerfilter/source/dmapper/GraphicImport.cxx
@@ -1285,6 +1285,19 @@ void GraphicImport::lcl_attribute(Id nName, Value& rValue)

                        if (m_pImpl->m_nWrap == text::WrapTextMode_THROUGH && m_pImpl->m_nHoriRelation == text::RelOrientation::FRAME)
                        {
                            if (m_pImpl->m_bLayoutInCell && m_pImpl->m_rDomainMapper.IsInTable()
                                && (m_pImpl->m_nVertRelation == text::RelOrientation::PAGE_FRAME
                                    || m_pImpl->m_nVertRelation == text::RelOrientation::PAGE_PRINT_AREA))
                            {
                                // Impossible to be page-oriented when layout in cell.
                                // Since we are turning LayoutInCell off (to simplify layout),
                                // we need to set the orientation to the paragraph,
                                // as MSO effectively does when it forces layoutInCell.
                                // Probably also needs to happen with TEXT_LINE,
                                // but MSO is really weird with vertical relation to "line"
                                m_pImpl->m_nVertRelation = text::RelOrientation::FRAME;
                            }

                            // text::RelOrientation::FRAME is OOXML's "column", which behaves as if
                            // layout-in-cell would be always off.
                            m_pImpl->m_bLayoutInCell = false;