1*ddde725dSArmin Le Grand /************************************************************** 2*ddde725dSArmin Le Grand * 3*ddde725dSArmin Le Grand * Licensed to the Apache Software Foundation (ASF) under one 4*ddde725dSArmin Le Grand * or more contributor license agreements. See the NOTICE file 5*ddde725dSArmin Le Grand * distributed with this work for additional information 6*ddde725dSArmin Le Grand * regarding copyright ownership. The ASF licenses this file 7*ddde725dSArmin Le Grand * to you under the Apache License, Version 2.0 (the 8*ddde725dSArmin Le Grand * "License"); you may not use this file except in compliance 9*ddde725dSArmin Le Grand * with the License. You may obtain a copy of the License at 10*ddde725dSArmin Le Grand * 11*ddde725dSArmin Le Grand * http://www.apache.org/licenses/LICENSE-2.0 12*ddde725dSArmin Le Grand * 13*ddde725dSArmin Le Grand * Unless required by applicable law or agreed to in writing, 14*ddde725dSArmin Le Grand * software distributed under the License is distributed on an 15*ddde725dSArmin Le Grand * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16*ddde725dSArmin Le Grand * KIND, either express or implied. See the License for the 17*ddde725dSArmin Le Grand * specific language governing permissions and limitations 18*ddde725dSArmin Le Grand * under the License. 19*ddde725dSArmin Le Grand * 20*ddde725dSArmin Le Grand *************************************************************/ 21*ddde725dSArmin Le Grand 22*ddde725dSArmin Le Grand // MARKER(update_precomp.py): autogen include statement, do not remove 23*ddde725dSArmin Le Grand #include "precompiled_svgio.hxx" 24*ddde725dSArmin Le Grand 25*ddde725dSArmin Le Grand #include <svgio/svgreader/svgmasknode.hxx> 26*ddde725dSArmin Le Grand #include <drawinglayer/primitive2d/transformprimitive2d.hxx> 27*ddde725dSArmin Le Grand #include <drawinglayer/primitive2d/transparenceprimitive2d.hxx> 28*ddde725dSArmin Le Grand #include <basegfx/matrix/b2dhommatrixtools.hxx> 29*ddde725dSArmin Le Grand #include <drawinglayer/geometry/viewinformation2d.hxx> 30*ddde725dSArmin Le Grand #include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx> 31*ddde725dSArmin Le Grand #include <drawinglayer/primitive2d/maskprimitive2d.hxx> 32*ddde725dSArmin Le Grand #include <basegfx/polygon/b2dpolygontools.hxx> 33*ddde725dSArmin Le Grand #include <basegfx/polygon/b2dpolygon.hxx> 34*ddde725dSArmin Le Grand 35*ddde725dSArmin Le Grand ////////////////////////////////////////////////////////////////////////////// 36*ddde725dSArmin Le Grand 37*ddde725dSArmin Le Grand namespace svgio 38*ddde725dSArmin Le Grand { 39*ddde725dSArmin Le Grand namespace svgreader 40*ddde725dSArmin Le Grand { 41*ddde725dSArmin Le Grand SvgMaskNode::SvgMaskNode( 42*ddde725dSArmin Le Grand SvgDocument& rDocument, 43*ddde725dSArmin Le Grand SvgNode* pParent) 44*ddde725dSArmin Le Grand : SvgNode(SVGTokenMask, rDocument, pParent), 45*ddde725dSArmin Le Grand maSvgStyleAttributes(*this), 46*ddde725dSArmin Le Grand maX(SvgNumber(-10.0, Unit_percent, true)), 47*ddde725dSArmin Le Grand maY(SvgNumber(-10.0, Unit_percent, true)), 48*ddde725dSArmin Le Grand maWidth(SvgNumber(120.0, Unit_percent, true)), 49*ddde725dSArmin Le Grand maHeight(SvgNumber(120.0, Unit_percent, true)), 50*ddde725dSArmin Le Grand mpaTransform(0), 51*ddde725dSArmin Le Grand maMaskUnits(objectBoundingBox), 52*ddde725dSArmin Le Grand maMaskContentUnits(userSpaceOnUse) 53*ddde725dSArmin Le Grand { 54*ddde725dSArmin Le Grand } 55*ddde725dSArmin Le Grand 56*ddde725dSArmin Le Grand SvgMaskNode::~SvgMaskNode() 57*ddde725dSArmin Le Grand { 58*ddde725dSArmin Le Grand if(mpaTransform) delete mpaTransform; 59*ddde725dSArmin Le Grand } 60*ddde725dSArmin Le Grand 61*ddde725dSArmin Le Grand const SvgStyleAttributes* SvgMaskNode::getSvgStyleAttributes() const 62*ddde725dSArmin Le Grand { 63*ddde725dSArmin Le Grand static rtl::OUString aClassStr(rtl::OUString::createFromAscii("mask")); 64*ddde725dSArmin Le Grand maSvgStyleAttributes.checkForCssStyle(aClassStr); 65*ddde725dSArmin Le Grand 66*ddde725dSArmin Le Grand return &maSvgStyleAttributes; 67*ddde725dSArmin Le Grand } 68*ddde725dSArmin Le Grand 69*ddde725dSArmin Le Grand void SvgMaskNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent) 70*ddde725dSArmin Le Grand { 71*ddde725dSArmin Le Grand // call parent 72*ddde725dSArmin Le Grand SvgNode::parseAttribute(rTokenName, aSVGToken, aContent); 73*ddde725dSArmin Le Grand 74*ddde725dSArmin Le Grand // read style attributes 75*ddde725dSArmin Le Grand maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent); 76*ddde725dSArmin Le Grand 77*ddde725dSArmin Le Grand // parse own 78*ddde725dSArmin Le Grand switch(aSVGToken) 79*ddde725dSArmin Le Grand { 80*ddde725dSArmin Le Grand case SVGTokenStyle: 81*ddde725dSArmin Le Grand { 82*ddde725dSArmin Le Grand maSvgStyleAttributes.readStyle(aContent); 83*ddde725dSArmin Le Grand break; 84*ddde725dSArmin Le Grand } 85*ddde725dSArmin Le Grand case SVGTokenX: 86*ddde725dSArmin Le Grand { 87*ddde725dSArmin Le Grand SvgNumber aNum; 88*ddde725dSArmin Le Grand 89*ddde725dSArmin Le Grand if(readSingleNumber(aContent, aNum)) 90*ddde725dSArmin Le Grand { 91*ddde725dSArmin Le Grand setX(aNum); 92*ddde725dSArmin Le Grand } 93*ddde725dSArmin Le Grand break; 94*ddde725dSArmin Le Grand } 95*ddde725dSArmin Le Grand case SVGTokenY: 96*ddde725dSArmin Le Grand { 97*ddde725dSArmin Le Grand SvgNumber aNum; 98*ddde725dSArmin Le Grand 99*ddde725dSArmin Le Grand if(readSingleNumber(aContent, aNum)) 100*ddde725dSArmin Le Grand { 101*ddde725dSArmin Le Grand setY(aNum); 102*ddde725dSArmin Le Grand } 103*ddde725dSArmin Le Grand break; 104*ddde725dSArmin Le Grand } 105*ddde725dSArmin Le Grand case SVGTokenWidth: 106*ddde725dSArmin Le Grand { 107*ddde725dSArmin Le Grand SvgNumber aNum; 108*ddde725dSArmin Le Grand 109*ddde725dSArmin Le Grand if(readSingleNumber(aContent, aNum)) 110*ddde725dSArmin Le Grand { 111*ddde725dSArmin Le Grand if(aNum.isPositive()) 112*ddde725dSArmin Le Grand { 113*ddde725dSArmin Le Grand setWidth(aNum); 114*ddde725dSArmin Le Grand } 115*ddde725dSArmin Le Grand } 116*ddde725dSArmin Le Grand break; 117*ddde725dSArmin Le Grand } 118*ddde725dSArmin Le Grand case SVGTokenHeight: 119*ddde725dSArmin Le Grand { 120*ddde725dSArmin Le Grand SvgNumber aNum; 121*ddde725dSArmin Le Grand 122*ddde725dSArmin Le Grand if(readSingleNumber(aContent, aNum)) 123*ddde725dSArmin Le Grand { 124*ddde725dSArmin Le Grand if(aNum.isPositive()) 125*ddde725dSArmin Le Grand { 126*ddde725dSArmin Le Grand setHeight(aNum); 127*ddde725dSArmin Le Grand } 128*ddde725dSArmin Le Grand } 129*ddde725dSArmin Le Grand break; 130*ddde725dSArmin Le Grand } 131*ddde725dSArmin Le Grand case SVGTokenTransform: 132*ddde725dSArmin Le Grand { 133*ddde725dSArmin Le Grand const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); 134*ddde725dSArmin Le Grand 135*ddde725dSArmin Le Grand if(!aMatrix.isIdentity()) 136*ddde725dSArmin Le Grand { 137*ddde725dSArmin Le Grand setTransform(&aMatrix); 138*ddde725dSArmin Le Grand } 139*ddde725dSArmin Le Grand break; 140*ddde725dSArmin Le Grand } 141*ddde725dSArmin Le Grand case SVGTokenMaskUnits: 142*ddde725dSArmin Le Grand { 143*ddde725dSArmin Le Grand if(aContent.getLength()) 144*ddde725dSArmin Le Grand { 145*ddde725dSArmin Le Grand if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0)) 146*ddde725dSArmin Le Grand { 147*ddde725dSArmin Le Grand setMaskUnits(userSpaceOnUse); 148*ddde725dSArmin Le Grand } 149*ddde725dSArmin Le Grand else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0)) 150*ddde725dSArmin Le Grand { 151*ddde725dSArmin Le Grand setMaskUnits(objectBoundingBox); 152*ddde725dSArmin Le Grand } 153*ddde725dSArmin Le Grand } 154*ddde725dSArmin Le Grand break; 155*ddde725dSArmin Le Grand } 156*ddde725dSArmin Le Grand case SVGTokenMaskContentUnits: 157*ddde725dSArmin Le Grand { 158*ddde725dSArmin Le Grand if(aContent.getLength()) 159*ddde725dSArmin Le Grand { 160*ddde725dSArmin Le Grand if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0)) 161*ddde725dSArmin Le Grand { 162*ddde725dSArmin Le Grand setMaskContentUnits(userSpaceOnUse); 163*ddde725dSArmin Le Grand } 164*ddde725dSArmin Le Grand else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0)) 165*ddde725dSArmin Le Grand { 166*ddde725dSArmin Le Grand setMaskContentUnits(objectBoundingBox); 167*ddde725dSArmin Le Grand } 168*ddde725dSArmin Le Grand } 169*ddde725dSArmin Le Grand break; 170*ddde725dSArmin Le Grand } 171*ddde725dSArmin Le Grand } 172*ddde725dSArmin Le Grand } 173*ddde725dSArmin Le Grand 174*ddde725dSArmin Le Grand void SvgMaskNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool bReferenced) const 175*ddde725dSArmin Le Grand { 176*ddde725dSArmin Le Grand drawinglayer::primitive2d::Primitive2DSequence aNewTarget; 177*ddde725dSArmin Le Grand 178*ddde725dSArmin Le Grand // decompose childs 179*ddde725dSArmin Le Grand SvgNode::decomposeSvgNode(aNewTarget, bReferenced); 180*ddde725dSArmin Le Grand 181*ddde725dSArmin Le Grand if(aNewTarget.hasElements()) 182*ddde725dSArmin Le Grand { 183*ddde725dSArmin Le Grand if(getTransform()) 184*ddde725dSArmin Le Grand { 185*ddde725dSArmin Le Grand // create embedding group element with transformation 186*ddde725dSArmin Le Grand const drawinglayer::primitive2d::Primitive2DReference xRef( 187*ddde725dSArmin Le Grand new drawinglayer::primitive2d::TransformPrimitive2D( 188*ddde725dSArmin Le Grand *getTransform(), 189*ddde725dSArmin Le Grand aNewTarget)); 190*ddde725dSArmin Le Grand 191*ddde725dSArmin Le Grand aNewTarget = drawinglayer::primitive2d::Primitive2DSequence(&xRef, 1); 192*ddde725dSArmin Le Grand } 193*ddde725dSArmin Le Grand 194*ddde725dSArmin Le Grand // append to current target 195*ddde725dSArmin Le Grand drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, aNewTarget); 196*ddde725dSArmin Le Grand } 197*ddde725dSArmin Le Grand } 198*ddde725dSArmin Le Grand 199*ddde725dSArmin Le Grand void SvgMaskNode::apply(drawinglayer::primitive2d::Primitive2DSequence& rTarget) const 200*ddde725dSArmin Le Grand { 201*ddde725dSArmin Le Grand if(rTarget.hasElements()) 202*ddde725dSArmin Le Grand { 203*ddde725dSArmin Le Grand drawinglayer::primitive2d::Primitive2DSequence aMaskTarget; 204*ddde725dSArmin Le Grand 205*ddde725dSArmin Le Grand // get mask definition as primitives 206*ddde725dSArmin Le Grand decomposeSvgNode(aMaskTarget, true); 207*ddde725dSArmin Le Grand 208*ddde725dSArmin Le Grand if(aMaskTarget.hasElements()) 209*ddde725dSArmin Le Grand { 210*ddde725dSArmin Le Grand // get range of content to be masked 211*ddde725dSArmin Le Grand const basegfx::B2DRange aContentRange( 212*ddde725dSArmin Le Grand drawinglayer::primitive2d::getB2DRangeFromPrimitive2DSequence( 213*ddde725dSArmin Le Grand rTarget, 214*ddde725dSArmin Le Grand drawinglayer::geometry::ViewInformation2D())); 215*ddde725dSArmin Le Grand const double fContentWidth(aContentRange.getWidth()); 216*ddde725dSArmin Le Grand const double fContentHeight(aContentRange.getHeight()); 217*ddde725dSArmin Le Grand 218*ddde725dSArmin Le Grand if(fContentWidth > 0.0 && fContentHeight > 0.0) 219*ddde725dSArmin Le Grand { 220*ddde725dSArmin Le Grand // create OffscreenBufferRange 221*ddde725dSArmin Le Grand basegfx::B2DRange aOffscreenBufferRange; 222*ddde725dSArmin Le Grand 223*ddde725dSArmin Le Grand if(objectBoundingBox == getMaskUnits()) 224*ddde725dSArmin Le Grand { 225*ddde725dSArmin Le Grand // fractions or percentages of the bounding box of the element to which the mask is applied 226*ddde725dSArmin Le Grand const double fX(Unit_percent == getX().getUnit() ? getX().getNumber() * 0.01 : getX().getNumber()); 227*ddde725dSArmin Le Grand const double fY(Unit_percent == getY().getUnit() ? getY().getNumber() * 0.01 : getY().getNumber()); 228*ddde725dSArmin Le Grand const double fW(Unit_percent == getWidth().getUnit() ? getWidth().getNumber() * 0.01 : getWidth().getNumber()); 229*ddde725dSArmin Le Grand const double fH(Unit_percent == getHeight().getUnit() ? getHeight().getNumber() * 0.01 : getHeight().getNumber()); 230*ddde725dSArmin Le Grand 231*ddde725dSArmin Le Grand aOffscreenBufferRange = basegfx::B2DRange( 232*ddde725dSArmin Le Grand aContentRange.getMinX() + (fX * fContentWidth), 233*ddde725dSArmin Le Grand aContentRange.getMinY() + (fY * fContentHeight), 234*ddde725dSArmin Le Grand aContentRange.getMinX() + ((fX + fW) * fContentWidth), 235*ddde725dSArmin Le Grand aContentRange.getMinY() + ((fY + fH) * fContentHeight)); 236*ddde725dSArmin Le Grand } 237*ddde725dSArmin Le Grand else 238*ddde725dSArmin Le Grand { 239*ddde725dSArmin Le Grand const double fX(getX().isSet() ? getX().solve(*this, xcoordinate) : 0.0); 240*ddde725dSArmin Le Grand const double fY(getY().isSet() ? getY().solve(*this, ycoordinate) : 0.0); 241*ddde725dSArmin Le Grand 242*ddde725dSArmin Le Grand aOffscreenBufferRange = basegfx::B2DRange( 243*ddde725dSArmin Le Grand fX, 244*ddde725dSArmin Le Grand fY, 245*ddde725dSArmin Le Grand fX + (getWidth().isSet() ? getWidth().solve(*this, xcoordinate) : 0.0), 246*ddde725dSArmin Le Grand fY + (getHeight().isSet() ? getHeight().solve(*this, ycoordinate) : 0.0)); 247*ddde725dSArmin Le Grand } 248*ddde725dSArmin Le Grand 249*ddde725dSArmin Le Grand if(objectBoundingBox == getMaskContentUnits()) 250*ddde725dSArmin Le Grand { 251*ddde725dSArmin Le Grand // mask is object-relative, embed in content transformation 252*ddde725dSArmin Le Grand const drawinglayer::primitive2d::Primitive2DReference xTransform( 253*ddde725dSArmin Le Grand new drawinglayer::primitive2d::TransformPrimitive2D( 254*ddde725dSArmin Le Grand basegfx::tools::createScaleTranslateB2DHomMatrix( 255*ddde725dSArmin Le Grand aContentRange.getRange(), 256*ddde725dSArmin Le Grand aContentRange.getMinimum()), 257*ddde725dSArmin Le Grand aMaskTarget)); 258*ddde725dSArmin Le Grand 259*ddde725dSArmin Le Grand aMaskTarget = drawinglayer::primitive2d::Primitive2DSequence(&xTransform, 1); 260*ddde725dSArmin Le Grand } 261*ddde725dSArmin Le Grand 262*ddde725dSArmin Le Grand // embed content to a ModifiedColorPrimitive2D since the definitions 263*ddde725dSArmin Le Grand // how content is used as alpha is special for Svg 264*ddde725dSArmin Le Grand { 265*ddde725dSArmin Le Grand const drawinglayer::primitive2d::Primitive2DReference xInverseMask( 266*ddde725dSArmin Le Grand new drawinglayer::primitive2d::ModifiedColorPrimitive2D( 267*ddde725dSArmin Le Grand aMaskTarget, 268*ddde725dSArmin Le Grand basegfx::BColorModifier( 269*ddde725dSArmin Le Grand basegfx::BColor(0.0, 0.0, 0.0), 270*ddde725dSArmin Le Grand 0.5, 271*ddde725dSArmin Le Grand basegfx::BCOLORMODIFYMODE_LUMINANCE_TO_ALPHA))); 272*ddde725dSArmin Le Grand 273*ddde725dSArmin Le Grand aMaskTarget = drawinglayer::primitive2d::Primitive2DSequence(&xInverseMask, 1); 274*ddde725dSArmin Le Grand } 275*ddde725dSArmin Le Grand 276*ddde725dSArmin Le Grand // prepare new content 277*ddde725dSArmin Le Grand drawinglayer::primitive2d::Primitive2DReference xNewContent( 278*ddde725dSArmin Le Grand new drawinglayer::primitive2d::TransparencePrimitive2D( 279*ddde725dSArmin Le Grand rTarget, 280*ddde725dSArmin Le Grand aMaskTarget)); 281*ddde725dSArmin Le Grand 282*ddde725dSArmin Le Grand // output up to now is defined by aContentRange and mask is oriented 283*ddde725dSArmin Le Grand // relative to it. It is possible that aOffscreenBufferRange defines 284*ddde725dSArmin Le Grand // a smaller area. In that case, embed to a mask primitive 285*ddde725dSArmin Le Grand if(!aOffscreenBufferRange.isInside(aContentRange)) 286*ddde725dSArmin Le Grand { 287*ddde725dSArmin Le Grand xNewContent = new drawinglayer::primitive2d::MaskPrimitive2D( 288*ddde725dSArmin Le Grand basegfx::B2DPolyPolygon( 289*ddde725dSArmin Le Grand basegfx::tools::createPolygonFromRect( 290*ddde725dSArmin Le Grand aOffscreenBufferRange)), 291*ddde725dSArmin Le Grand drawinglayer::primitive2d::Primitive2DSequence(&xNewContent, 1)); 292*ddde725dSArmin Le Grand } 293*ddde725dSArmin Le Grand 294*ddde725dSArmin Le Grand // redefine target. Use TransparencePrimitive2D with created mask 295*ddde725dSArmin Le Grand // geometry 296*ddde725dSArmin Le Grand rTarget = drawinglayer::primitive2d::Primitive2DSequence(&xNewContent, 1); 297*ddde725dSArmin Le Grand } 298*ddde725dSArmin Le Grand else 299*ddde725dSArmin Le Grand { 300*ddde725dSArmin Le Grand // content is geometrically empty 301*ddde725dSArmin Le Grand rTarget.realloc(0); 302*ddde725dSArmin Le Grand } 303*ddde725dSArmin Le Grand } 304*ddde725dSArmin Le Grand else 305*ddde725dSArmin Le Grand { 306*ddde725dSArmin Le Grand // An empty clipping path will completely clip away the element that had 307*ddde725dSArmin Le Grand // the �clip-path� property applied. (Svg spec) 308*ddde725dSArmin Le Grand rTarget.realloc(0); 309*ddde725dSArmin Le Grand } 310*ddde725dSArmin Le Grand } 311*ddde725dSArmin Le Grand } 312*ddde725dSArmin Le Grand 313*ddde725dSArmin Le Grand } // end of namespace svgreader 314*ddde725dSArmin Le Grand } // end of namespace svgio 315*ddde725dSArmin Le Grand 316*ddde725dSArmin Le Grand ////////////////////////////////////////////////////////////////////////////// 317*ddde725dSArmin Le Grand // eof 318