i121494 Corrected text decomposition when no text distances for text frame are given

svx/source/sdr/primitive2d/sdrdecompositiontools.cxx

@@ -257,8 +257,11 @@ namespace drawinglayer
                 aTextAnchorRange.expand(aBottomRight);
 
                 // now create a transformation from this basic range (aTextAnchorRange)
+                // #121494# if we have no scale use at least 1.0 to have a carrier e.g. for
+                // mirror values, else these will get lost
                 aAnchorTransform = basegfx::tools::createScaleTranslateB2DHomMatrix(
-                    aTextAnchorRange.getWidth(), aTextAnchorRange.getHeight(),
+                    basegfx::fTools::equalZero(aTextAnchorRange.getWidth()) ? 1.0 : aTextAnchorRange.getWidth(),
+                    basegfx::fTools::equalZero(aTextAnchorRange.getHeight()) ? 1.0 : aTextAnchorRange.getHeight(),
                     aTextAnchorRange.getMinX(), aTextAnchorRange.getMinY());
 
                 // apply mirroring