1*b1cdbd2cSJim Jagielski /************************************************************** 2*b1cdbd2cSJim Jagielski * 3*b1cdbd2cSJim Jagielski * Licensed to the Apache Software Foundation (ASF) under one 4*b1cdbd2cSJim Jagielski * or more contributor license agreements. See the NOTICE file 5*b1cdbd2cSJim Jagielski * distributed with this work for additional information 6*b1cdbd2cSJim Jagielski * regarding copyright ownership. The ASF licenses this file 7*b1cdbd2cSJim Jagielski * to you under the Apache License, Version 2.0 (the 8*b1cdbd2cSJim Jagielski * "License"); you may not use this file except in compliance 9*b1cdbd2cSJim Jagielski * with the License. You may obtain a copy of the License at 10*b1cdbd2cSJim Jagielski * 11*b1cdbd2cSJim Jagielski * http://www.apache.org/licenses/LICENSE-2.0 12*b1cdbd2cSJim Jagielski * 13*b1cdbd2cSJim Jagielski * Unless required by applicable law or agreed to in writing, 14*b1cdbd2cSJim Jagielski * software distributed under the License is distributed on an 15*b1cdbd2cSJim Jagielski * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*b1cdbd2cSJim Jagielski * KIND, either express or implied. See the License for the 17*b1cdbd2cSJim Jagielski * specific language governing permissions and limitations 18*b1cdbd2cSJim Jagielski * under the License. 19*b1cdbd2cSJim Jagielski * 20*b1cdbd2cSJim Jagielski *************************************************************/ 21*b1cdbd2cSJim Jagielski 22*b1cdbd2cSJim Jagielski // MARKER(update_precomp.py): autogen include statement, do not remove 23*b1cdbd2cSJim Jagielski #include "precompiled_svgio.hxx" 24*b1cdbd2cSJim Jagielski 25*b1cdbd2cSJim Jagielski #include <svgio/svgreader/svgclippathnode.hxx> 26*b1cdbd2cSJim Jagielski #include <drawinglayer/primitive2d/transformprimitive2d.hxx> 27*b1cdbd2cSJim Jagielski #include <drawinglayer/primitive2d/maskprimitive2d.hxx> 28*b1cdbd2cSJim Jagielski #include <basegfx/matrix/b2dhommatrixtools.hxx> 29*b1cdbd2cSJim Jagielski #include <drawinglayer/geometry/viewinformation2d.hxx> 30*b1cdbd2cSJim Jagielski #include <drawinglayer/processor2d/contourextractor2d.hxx> 31*b1cdbd2cSJim Jagielski #include <basegfx/polygon/b2dpolypolygoncutter.hxx> 32*b1cdbd2cSJim Jagielski 33*b1cdbd2cSJim Jagielski ////////////////////////////////////////////////////////////////////////////// 34*b1cdbd2cSJim Jagielski 35*b1cdbd2cSJim Jagielski namespace svgio 36*b1cdbd2cSJim Jagielski { 37*b1cdbd2cSJim Jagielski namespace svgreader 38*b1cdbd2cSJim Jagielski { SvgClipPathNode(SvgDocument & rDocument,SvgNode * pParent)39*b1cdbd2cSJim Jagielski SvgClipPathNode::SvgClipPathNode( 40*b1cdbd2cSJim Jagielski SvgDocument& rDocument, 41*b1cdbd2cSJim Jagielski SvgNode* pParent) 42*b1cdbd2cSJim Jagielski : SvgNode(SVGTokenClipPathNode, rDocument, pParent), 43*b1cdbd2cSJim Jagielski maSvgStyleAttributes(*this), 44*b1cdbd2cSJim Jagielski mpaTransform(0), 45*b1cdbd2cSJim Jagielski maClipPathUnits(userSpaceOnUse) 46*b1cdbd2cSJim Jagielski { 47*b1cdbd2cSJim Jagielski } 48*b1cdbd2cSJim Jagielski ~SvgClipPathNode()49*b1cdbd2cSJim Jagielski SvgClipPathNode::~SvgClipPathNode() 50*b1cdbd2cSJim Jagielski { 51*b1cdbd2cSJim Jagielski if(mpaTransform) delete mpaTransform; 52*b1cdbd2cSJim Jagielski } 53*b1cdbd2cSJim Jagielski getSvgStyleAttributes() const54*b1cdbd2cSJim Jagielski const SvgStyleAttributes* SvgClipPathNode::getSvgStyleAttributes() const 55*b1cdbd2cSJim Jagielski { 56*b1cdbd2cSJim Jagielski return &maSvgStyleAttributes; 57*b1cdbd2cSJim Jagielski } 58*b1cdbd2cSJim Jagielski parseAttribute(const rtl::OUString & rTokenName,SVGToken aSVGToken,const rtl::OUString & aContent)59*b1cdbd2cSJim Jagielski void SvgClipPathNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent) 60*b1cdbd2cSJim Jagielski { 61*b1cdbd2cSJim Jagielski // call parent 62*b1cdbd2cSJim Jagielski SvgNode::parseAttribute(rTokenName, aSVGToken, aContent); 63*b1cdbd2cSJim Jagielski 64*b1cdbd2cSJim Jagielski // read style attributes 65*b1cdbd2cSJim Jagielski maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent); 66*b1cdbd2cSJim Jagielski 67*b1cdbd2cSJim Jagielski // parse own 68*b1cdbd2cSJim Jagielski switch(aSVGToken) 69*b1cdbd2cSJim Jagielski { 70*b1cdbd2cSJim Jagielski case SVGTokenStyle: 71*b1cdbd2cSJim Jagielski { 72*b1cdbd2cSJim Jagielski maSvgStyleAttributes.readStyle(aContent); 73*b1cdbd2cSJim Jagielski break; 74*b1cdbd2cSJim Jagielski } 75*b1cdbd2cSJim Jagielski case SVGTokenTransform: 76*b1cdbd2cSJim Jagielski { 77*b1cdbd2cSJim Jagielski const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); 78*b1cdbd2cSJim Jagielski 79*b1cdbd2cSJim Jagielski if(!aMatrix.isIdentity()) 80*b1cdbd2cSJim Jagielski { 81*b1cdbd2cSJim Jagielski setTransform(&aMatrix); 82*b1cdbd2cSJim Jagielski } 83*b1cdbd2cSJim Jagielski break; 84*b1cdbd2cSJim Jagielski } 85*b1cdbd2cSJim Jagielski case SVGTokenClipPathUnits: 86*b1cdbd2cSJim Jagielski { 87*b1cdbd2cSJim Jagielski if(aContent.getLength()) 88*b1cdbd2cSJim Jagielski { 89*b1cdbd2cSJim Jagielski if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0)) 90*b1cdbd2cSJim Jagielski { 91*b1cdbd2cSJim Jagielski setClipPathUnits(userSpaceOnUse); 92*b1cdbd2cSJim Jagielski } 93*b1cdbd2cSJim Jagielski else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0)) 94*b1cdbd2cSJim Jagielski { 95*b1cdbd2cSJim Jagielski setClipPathUnits(objectBoundingBox); 96*b1cdbd2cSJim Jagielski } 97*b1cdbd2cSJim Jagielski } 98*b1cdbd2cSJim Jagielski break; 99*b1cdbd2cSJim Jagielski } 100*b1cdbd2cSJim Jagielski default: 101*b1cdbd2cSJim Jagielski { 102*b1cdbd2cSJim Jagielski break; 103*b1cdbd2cSJim Jagielski } 104*b1cdbd2cSJim Jagielski } 105*b1cdbd2cSJim Jagielski } 106*b1cdbd2cSJim Jagielski decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence & rTarget,bool bReferenced) const107*b1cdbd2cSJim Jagielski void SvgClipPathNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const 108*b1cdbd2cSJim Jagielski { 109*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::Primitive2DSequence aNewTarget; 110*b1cdbd2cSJim Jagielski 111*b1cdbd2cSJim Jagielski // decompose childs 112*b1cdbd2cSJim Jagielski SvgNode::decomposeSvgNode(aNewTarget, bReferenced); 113*b1cdbd2cSJim Jagielski 114*b1cdbd2cSJim Jagielski if(aNewTarget.hasElements()) 115*b1cdbd2cSJim Jagielski { 116*b1cdbd2cSJim Jagielski if(getTransform()) 117*b1cdbd2cSJim Jagielski { 118*b1cdbd2cSJim Jagielski // create embedding group element with transformation 119*b1cdbd2cSJim Jagielski const drawinglayer::primitive2d::Primitive2DReference xRef( 120*b1cdbd2cSJim Jagielski new drawinglayer::primitive2d::TransformPrimitive2D( 121*b1cdbd2cSJim Jagielski *getTransform(), 122*b1cdbd2cSJim Jagielski aNewTarget)); 123*b1cdbd2cSJim Jagielski 124*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::appendPrimitive2DReferenceToPrimitive2DSequence(rTarget, xRef); 125*b1cdbd2cSJim Jagielski } 126*b1cdbd2cSJim Jagielski else 127*b1cdbd2cSJim Jagielski { 128*b1cdbd2cSJim Jagielski // append to current target 129*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewTarget); 130*b1cdbd2cSJim Jagielski } 131*b1cdbd2cSJim Jagielski } 132*b1cdbd2cSJim Jagielski } 133*b1cdbd2cSJim Jagielski apply(drawinglayer::primitive2d::Primitive2DSequence & rContent,const basegfx::B2DHomMatrix * pTransform) const134*b1cdbd2cSJim Jagielski void SvgClipPathNode::apply( 135*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::Primitive2DSequence& rContent, 136*b1cdbd2cSJim Jagielski const basegfx::B2DHomMatrix* pTransform) const 137*b1cdbd2cSJim Jagielski { 138*b1cdbd2cSJim Jagielski if(rContent.hasElements() && Display_none != getDisplay()) 139*b1cdbd2cSJim Jagielski { 140*b1cdbd2cSJim Jagielski const drawinglayer::geometry::ViewInformation2D aViewInformation2D; 141*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::Primitive2DSequence aClipTarget; 142*b1cdbd2cSJim Jagielski basegfx::B2DPolyPolygon aClipPolyPolygon; 143*b1cdbd2cSJim Jagielski 144*b1cdbd2cSJim Jagielski // get clipPath definition as primitives 145*b1cdbd2cSJim Jagielski decomposeSvgNode(aClipTarget, true); 146*b1cdbd2cSJim Jagielski 147*b1cdbd2cSJim Jagielski if(aClipTarget.hasElements()) 148*b1cdbd2cSJim Jagielski { 149*b1cdbd2cSJim Jagielski // extract filled plygons as base for a mask PolyPolygon 150*b1cdbd2cSJim Jagielski drawinglayer::processor2d::ContourExtractor2D aExtractor(aViewInformation2D, true); 151*b1cdbd2cSJim Jagielski 152*b1cdbd2cSJim Jagielski aExtractor.process(aClipTarget); 153*b1cdbd2cSJim Jagielski 154*b1cdbd2cSJim Jagielski const basegfx::B2DPolyPolygonVector& rResult(aExtractor.getExtractedContour()); 155*b1cdbd2cSJim Jagielski const sal_uInt32 nSize(rResult.size()); 156*b1cdbd2cSJim Jagielski 157*b1cdbd2cSJim Jagielski if(nSize > 1) 158*b1cdbd2cSJim Jagielski { 159*b1cdbd2cSJim Jagielski // merge to single clipPolyPolygon 160*b1cdbd2cSJim Jagielski aClipPolyPolygon = basegfx::tools::mergeToSinglePolyPolygon(rResult); 161*b1cdbd2cSJim Jagielski } 162*b1cdbd2cSJim Jagielski else 163*b1cdbd2cSJim Jagielski { 164*b1cdbd2cSJim Jagielski aClipPolyPolygon = rResult[0]; 165*b1cdbd2cSJim Jagielski } 166*b1cdbd2cSJim Jagielski } 167*b1cdbd2cSJim Jagielski 168*b1cdbd2cSJim Jagielski if(aClipPolyPolygon.count()) 169*b1cdbd2cSJim Jagielski { 170*b1cdbd2cSJim Jagielski if(objectBoundingBox == getClipPathUnits()) 171*b1cdbd2cSJim Jagielski { 172*b1cdbd2cSJim Jagielski // clip is object-relative, transform using content transformation 173*b1cdbd2cSJim Jagielski const basegfx::B2DRange aContentRange( 174*b1cdbd2cSJim Jagielski drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence( 175*b1cdbd2cSJim Jagielski rContent, 176*b1cdbd2cSJim Jagielski aViewInformation2D)); 177*b1cdbd2cSJim Jagielski 178*b1cdbd2cSJim Jagielski aClipPolyPolygon.transform( 179*b1cdbd2cSJim Jagielski basegfx::tools::createScaleTranslateB2DHomMatrix( 180*b1cdbd2cSJim Jagielski aContentRange.getRange(), 181*b1cdbd2cSJim Jagielski aContentRange.getMinimum())); 182*b1cdbd2cSJim Jagielski } 183*b1cdbd2cSJim Jagielski else // userSpaceOnUse 184*b1cdbd2cSJim Jagielski { 185*b1cdbd2cSJim Jagielski // #i124852# 186*b1cdbd2cSJim Jagielski if(pTransform) 187*b1cdbd2cSJim Jagielski { 188*b1cdbd2cSJim Jagielski aClipPolyPolygon.transform(*pTransform); 189*b1cdbd2cSJim Jagielski } 190*b1cdbd2cSJim Jagielski } 191*b1cdbd2cSJim Jagielski 192*b1cdbd2cSJim Jagielski // redefine target. Use MaskPrimitive2D with created clip 193*b1cdbd2cSJim Jagielski // geometry. Using the automatically set mbIsClipPathContent at 194*b1cdbd2cSJim Jagielski // SvgStyleAttributes the clip definition is without fill, stroke, 195*b1cdbd2cSJim Jagielski // and strokeWidth and forced to black 196*b1cdbd2cSJim Jagielski const drawinglayer::primitive2d::Primitive2DReference xEmbedTransparence( 197*b1cdbd2cSJim Jagielski new drawinglayer::primitive2d::MaskPrimitive2D( 198*b1cdbd2cSJim Jagielski aClipPolyPolygon, 199*b1cdbd2cSJim Jagielski rContent)); 200*b1cdbd2cSJim Jagielski 201*b1cdbd2cSJim Jagielski rContent = drawinglayer::primitive2d::Primitive2DSequence(&xEmbedTransparence, 1); 202*b1cdbd2cSJim Jagielski } 203*b1cdbd2cSJim Jagielski else 204*b1cdbd2cSJim Jagielski { 205*b1cdbd2cSJim Jagielski // An empty clipping path will completely clip away the element that had 206*b1cdbd2cSJim Jagielski // the �clip-path� property applied. (Svg spec) 207*b1cdbd2cSJim Jagielski rContent.realloc(0); 208*b1cdbd2cSJim Jagielski } 209*b1cdbd2cSJim Jagielski } 210*b1cdbd2cSJim Jagielski } 211*b1cdbd2cSJim Jagielski 212*b1cdbd2cSJim Jagielski } // end of namespace svgreader 213*b1cdbd2cSJim Jagielski } // end of namespace svgio 214*b1cdbd2cSJim Jagielski 215*b1cdbd2cSJim Jagielski ////////////////////////////////////////////////////////////////////////////// 216*b1cdbd2cSJim Jagielski // eof 217