1 files changed, 91 insertions, 1 deletions

diff --git a/svgio/source/svgreader/svgsymbolnode.cxx b/svgio/source/svgreader/svgsymbolnode.cxx
index 6e18d4bca0..2f226b841e 100644
--- a/svgio/source/svgreader/svgsymbolnode.cxx
+++ b/svgio/source/svgreader/svgsymbolnode.cxx
@@ -18,6 +18,8 @@
  */
 
 #include <svgsymbolnode.hxx>
+#include <basegfx/matrix/b2dhommatrix.hxx>
+#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
 
 namespace svgio::svgreader
 {
@@ -54,9 +56,60 @@ namespace svgio::svgreader
                     readLocalCssStyle(aContent);
                     break;
                 }
+                case SVGToken::X:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        maX = aNum;
+                    }
+                    break;
+                }
+                case SVGToken::Y:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        maY = aNum;
+                    }
+                    break;
+                }
+                case SVGToken::Width:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        if(aNum.isPositive())
+                        {
+                            maWidth = aNum;
+                        }
+                    }
+                    break;
+                }
+                case SVGToken::Height:
+                {
+                    SvgNumber aNum;
+
+                    if(readSingleNumber(aContent, aNum))
+                    {
+                        if(aNum.isPositive())
+                        {
+                            maHeight = aNum;
+                        }
+                    }
+                    break;
+                }
                 case SVGToken::ViewBox:
                 {
-                    readViewBox(aContent, *this);
+                    const basegfx::B2DRange aRange(readViewBox(aContent, *this));
+
+                    if(!aRange.isEmpty())
+                    {
+                        setViewBox(&aRange);
+                    }
                     break;
                 }
                 case SVGToken::PreserveAspectRatio:
@@ -71,6 +124,43 @@ namespace svgio::svgreader
             }
         }
 
+        void SvgSymbolNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool bReferenced) const
+        {
+            // decompose children
+            SvgNode::decomposeSvgNode(rTarget, bReferenced);
+
+            if (rTarget.empty())
+                return;
+
+            if(getViewBox())
+            {
+                // create mapping
+                // #i122610 SVG 1.1 defines in section 5.1.2 that if the attribute preserveAspectRatio is not specified,
+                // then the effect is as if a value of 'xMidYMid meet' were specified.
+                SvgAspectRatio aRatioDefault(SvgAlign::xMidYMid, true);
+                const SvgAspectRatio& rRatio = getSvgAspectRatio().isSet()? getSvgAspectRatio() : aRatioDefault;
+
+                const double fX(maX.solve(*this, NumberType::xcoordinate));
+                const double fY(maY.solve(*this, NumberType::ycoordinate));
+                const double fWidth(maWidth.solve(*this, NumberType::xcoordinate));
+                const double fHeight(maHeight.solve(*this, NumberType::ycoordinate));
+                const basegfx::B2DRange aRange(fX, fY, fX + fWidth, fY + fHeight);
+
+                // let mapping be created from SvgAspectRatio
+                const basegfx::B2DHomMatrix aEmbeddingTransform(
+                    rRatio.createMapping(aRange, *getViewBox()));
+
+                // prepare embedding in transformation
+                // create embedding group element with transformation
+                const drawinglayer::primitive2d::Primitive2DReference xRef(
+                    new drawinglayer::primitive2d::TransformPrimitive2D(
+                        aEmbeddingTransform,
+                        drawinglayer::primitive2d::Primitive2DContainer(rTarget)));
+
+                rTarget.push_back(xRef);
+            }
+        }
+
 } // end of namespace svgio::svgreader
 
 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */