tdf#93868: PPTX import: Incorrect inheritance of shape fill properties

DrawingML: The useBgFill attribute specifies that the shape fill
should be set to that of the slide background.

Reviewed-on: https://gerrit.libreoffice.org/23039
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Katarina Behrens <Katarina.Behrens@cib.de>
(cherry picked from commit f3d1ac75c4b7fa63022e54a9cbff46ba99535076)

Change-Id: I8b568e730f00326d51e7b604579f4ff990b26f8a

3 files changed, 6 insertions, 9 deletions

diff --git a/oox/source/ppt/pptshapegroupcontext.cxx b/oox/source/ppt/pptshapegroupcontext.cxx
index 3b3d20cfc649..d02acabc849a 100644
--- a/oox/source/ppt/pptshapegroupcontext.cxx
+++ b/oox/source/ppt/pptshapegroupcontext.cxx
@@ -98,11 +98,10 @@ ContextHandlerRef PPTShapeGroupContext::onCreateContext( sal_Int32 aElementToken
             std::shared_ptr<PPTShape> pShape( new PPTShape( meShapeLocation, "com.sun.star.drawing.CustomShape" ) );
             if( rAttribs.getBool( XML_useBgFill, false ) )
             {
-                ::oox::drawingml::FillProperties &aFill = pShape->getFillProperties();
-                aFill.moFillType = XML_solidFill;
-                // This is supposed to fill with slide (background) color, but
-                // TODO: We are using white here, because thats the closest we can assume (?)
-                aFill.maFillColor.setSrgbClr( API_RGB_WHITE );
+                const oox::drawingml::FillPropertiesPtr pBackgroundPropertiesPtr = mpSlidePersistPtr->getBackgroundProperties();
+                if ( pBackgroundPropertiesPtr ) {
+                    pShape->getFillProperties().assignUsed( *pBackgroundPropertiesPtr );
+                }
             }
             pShape->setModelId(rAttribs.getString( XML_modelId ).get());
             return new PPTShapeContext( *this, mpSlidePersistPtr, mpGroupShapePtr, pShape );
diff --git a/oox/source/ppt/slidefragmenthandler.cxx b/oox/source/ppt/slidefragmenthandler.cxx
index 2d75afc529fb..d8c4735e2eec 100644
--- a/oox/source/ppt/slidefragmenthandler.cxx
+++ b/oox/source/ppt/slidefragmenthandler.cxx
@@ -166,9 +166,8 @@ SlideFragmentHandler::~SlideFragmentHandler()
             if( mpSlidePersistPtr->getTheme() )
                 pFillProperties = mpSlidePersistPtr->getTheme()->getFillStyle( rAttribs.getInteger( XML_idx, -1 ) );
             FillPropertiesPtr pFillPropertiesPtr( pFillProperties ? new FillProperties( *pFillProperties ) : new FillProperties() );
-            ContextHandlerRef ret = new ColorContext( *this, mpSlidePersistPtr->getBackgroundColor() );
             mpSlidePersistPtr->setBackgroundProperties( pFillPropertiesPtr );
-            return ret;
+            return this;
         }
         break;
 
diff --git a/oox/source/ppt/slidepersist.cxx b/oox/source/ppt/slidepersist.cxx
index d6e3f9929232..f5278688b27f 100644
--- a/oox/source/ppt/slidepersist.cxx
+++ b/oox/source/ppt/slidepersist.cxx
@@ -166,8 +166,7 @@ void SlidePersist::createBackground( const XmlFilterBase& rFilterBase )
 {
     if ( mpBackgroundPropertiesPtr )
     {
-        sal_Int32 nPhClr = maBackgroundColor.isUsed() ?
-            maBackgroundColor.getColor( rFilterBase.getGraphicHelper() ) : API_RGB_TRANSPARENT;
+        sal_Int32 nPhClr = mpBackgroundPropertiesPtr->getBestSolidColor().getColor( rFilterBase.getGraphicHelper() );
 
         ::oox::drawingml::ShapePropertyMap aPropMap( rFilterBase.getModelObjectHelper() );
         mpBackgroundPropertiesPtr->pushToPropMap( aPropMap, rFilterBase.getGraphicHelper(), 0, nPhClr );