tdf#95970: Don't loose mirroring in SdrTextObj::TRSetBaseGeometry

Currently, negative scaling (mirroring) is lost in
SdrTextObj::NbcSetSnapRect, when rect is justified.
This patch cares for this.

Possibly it's better to make these changes directly in
SdrTextObj::NbcSetSnapRect?

Change-Id: I353ff01626e15b398de95e28eae78572991dfdc3
Reviewed-on: https://gerrit.libreoffice.org/20109Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Armin Le Grand <Armin.Le.Grand@cib.de>

svx/source/svdraw/svdotext.cxx

@@ -1722,6 +1722,9 @@ void SdrTextObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const b
         aScale.setY(fabs(aScale.getY()));
         fRotate = fmod(fRotate + F_PI, F_2PI);
     }
+    // flip?
+    bool bFlipX = basegfx::fTools::less(aScale.getX(), 0.0),
+         bFlipY = basegfx::fTools::less(aScale.getY(), 0.0);
 
     // reset object shear and rotations
     aGeo.nRotationAngle = 0;
@@ -1769,6 +1772,16 @@ void SdrTextObj::TRSetBaseGeometry(const basegfx::B2DHomMatrix& rMatrix, const b
     Rectangle aBaseRect(aPoint, aSize);
     SetSnapRect(aBaseRect);
 
+    // flip?
+    if (bFlipX)
+    {
+        Mirror(Point(), Point(0, 1));
+    }
+    if (bFlipY)
+    {
+        Mirror(Point(), Point(1, 0));
+    }
+
     // shear?
     if(!basegfx::fTools::equalZero(fShearX))
     {

sw/qa/extras/ooxmlimport/ooxmlimport.cxx

@@ -78,6 +78,7 @@
 #include <oox/drawingml/drawingmltypes.hxx>
 #include <unotools/streamwrap.hxx>
 #include <comphelper/propertysequence.hxx>
+#include <com/sun/star/drawing/HomogenMatrix3.hpp>
 
 #include <bordertest.hxx>
 
@@ -2961,6 +2962,33 @@ DECLARE_OOXMLIMPORT_TEST(testTdf60351, "tdf60351.docx")
     CPPUNIT_ASSERT_EQUAL(sal_Int32(0),   aPolygon[5].Y);
 }
 
+DECLARE_OOXMLIMPORT_TEST(testTdf95970, "tdf95970.docx")
+{
+    // First shape: the rotation should be -12.94 deg, it should be mirrored.
+    // Proper color order of image on test doc (left->right):
+    // top row: green->red
+    // bottom row: yellow->blue
+    uno::Reference<drawing::XShape> xShape(getShape(1), uno::UNO_QUERY_THROW);
+    uno::Reference<beans::XPropertySet> xPropertySet(getShape(1), uno::UNO_QUERY_THROW);
+    sal_Int32 aRotate = 0;
+    xPropertySet->getPropertyValue("RotateAngle") >>= aRotate;
+    CPPUNIT_ASSERT_EQUAL(sal_Int32(34706), aRotate);
+    bool bIsMirrored = false;
+    xPropertySet->getPropertyValue("IsMirrored") >>= bIsMirrored;
+    CPPUNIT_ASSERT(bIsMirrored);
+    drawing::HomogenMatrix3 aTransform;
+    xPropertySet->getPropertyValue("Transformation") >>= aTransform;
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line1.Column1,  4767.0507250872988));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line1.Column2, -1269.0985325236848));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line1.Column3,  696.73611111111109));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line2.Column1,  1095.3035265135941));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line2.Column2,  5523.4525711162969));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line2.Column3,  672.04166666666663));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line3.Column1,  0.0));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line3.Column2,  0.0));
+    CPPUNIT_ASSERT(basegfx::fTools::equal(aTransform.Line3.Column3,  1.0));
+}
+
 CPPUNIT_PLUGIN_IMPLEMENT();
 
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