Resolves: #i124852# Corrected mask and clip polygons for userSpaceOnUse

(cherry picked from commit 247d5bc4)

Change-Id: I328a55e940db64d3dad04902bf81ede56a0dfe73

svgio/inc/svgio/svgreader/svgclippathnode.hxx

@@ -47,8 +47,10 @@ namespace svgio
             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) SAL_OVERRIDE;
             virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const SAL_OVERRIDE;
 
-            /// apply contained clipPath to given geometry
-            void apply(drawinglayer::primitive2d::Primitive2DSequence& rTarget) const;
+            /// apply contained clipPath to given geometry #i124852# transform may be needed
+            void apply(
+                drawinglayer::primitive2d::Primitive2DSequence& rTarget,
+                const basegfx::B2DHomMatrix* pTransform) const;
 
             /// clipPathUnits content
             SvgUnits getClipPathUnits() const { return maClipPathUnits; }

svgio/inc/svgio/svgreader/svgmasknode.hxx

@@ -52,8 +52,10 @@ namespace svgio
             virtual void parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) SAL_OVERRIDE;
             virtual void decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const SAL_OVERRIDE;
 
-            /// apply contained clipPath to given geometry
-            void apply(drawinglayer::primitive2d::Primitive2DSequence& rTarget) const;
+            /// apply contained clipPath to given geometry #i124852# transform may be needed
+            void apply(
+                drawinglayer::primitive2d::Primitive2DSequence& rTarget,
+                const basegfx::B2DHomMatrix* pTransform) const;
 
             /// x content, set if found in current context
             const SvgNumber& getX() const { return maX; }

svgio/source/svgreader/svgclippathnode.cxx

@@ -125,7 +125,9 @@ namespace svgio
             }
         }
 
-        void SvgClipPathNode::apply(drawinglayer::primitive2d::Primitive2DSequence& rContent) const
+        void SvgClipPathNode::apply(
+            drawinglayer::primitive2d::Primitive2DSequence& rContent,
+            const basegfx::B2DHomMatrix* pTransform) const
         {
             if(rContent.hasElements() && Display_none != getDisplay())
             {
@@ -172,6 +174,14 @@ namespace svgio
                                 aContentRange.getRange(),
                                 aContentRange.getMinimum()));
                     }
+                    else // userSpaceOnUse
+                    {
+                        // #i124852#
+                        if(pTransform)
+                        {
+                            aClipPolyPolygon.transform(*pTransform);
+                        }
+                    }
 
                     // #i124313# try to avoid creating an embedding to a MaskPrimitive2D if
                     // possible; MaskPrimitive2D processing is potentially expensive

svgio/source/svgreader/svgmasknode.cxx

@@ -190,7 +190,9 @@ namespace svgio
             }
         }
 
-        void SvgMaskNode::apply(drawinglayer::primitive2d::Primitive2DSequence& rTarget) const
+        void SvgMaskNode::apply(
+            drawinglayer::primitive2d::Primitive2DSequence& rTarget,
+            const basegfx::B2DHomMatrix* pTransform) const
         {
             if(rTarget.hasElements() && Display_none != getDisplay())
             {
@@ -252,6 +254,19 @@ namespace svgio
 
                             aMaskTarget = drawinglayer::primitive2d::Primitive2DSequence(&xTransform, 1);
                         }
+                        else // userSpaceOnUse
+                        {
+                            // #i124852#
+                            if(pTransform)
+                            {
+                                const drawinglayer::primitive2d::Primitive2DReference xTransform(
+                                    new drawinglayer::primitive2d::TransformPrimitive2D(
+                                        *pTransform,
+                                        aMaskTarget));
+
+                                aMaskTarget = drawinglayer::primitive2d::Primitive2DSequence(&xTransform, 1);
+                            }
+                        }
 
                         // embed content to a ModifiedColorPrimitive2D since the definitions
                         // how content is used as alpha is special for Svg

svgio/source/svgreader/svgstyleattributes.cxx

@@ -1117,7 +1117,8 @@ namespace svgio
 
                     if(mpClip)
                     {
-                        mpClip->apply(aSource);
+                        // #i124852# transform may be needed when userSpaceOnUse
+                        mpClip->apply(aSource, pTransform);
                     }
                 }
 
@@ -1130,7 +1131,8 @@ namespace svgio
 
                         if(mpMask)
                         {
-                            mpMask->apply(aSource);
+                            // #i124852# transform may be needed when userSpaceOnUse
+                            mpMask->apply(aSource, pTransform);
                         }
                     }