| /************************************************************** |
| * |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| *************************************************************/ |
| |
| // MARKER(update_precomp.py): autogen include statement, do not remove |
| #include "precompiled_svgio.hxx" |
| |
| #include <svgio/svgreader/svgtextnode.hxx> |
| #include <svgio/svgreader/svgcharacternode.hxx> |
| #include <svgio/svgreader/svgstyleattributes.hxx> |
| #include <svgio/svgreader/svgtrefnode.hxx> |
| #include <svgio/svgreader/svgtextpathnode.hxx> |
| #include <svgio/svgreader/svgtspannode.hxx> |
| #include <drawinglayer/primitive2d/transformprimitive2d.hxx> |
| #include <drawinglayer/primitive2d/unifiedtransparenceprimitive2d.hxx> |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| |
| namespace svgio |
| { |
| namespace svgreader |
| { |
| SvgTextNode::SvgTextNode( |
| SvgDocument& rDocument, |
| SvgNode* pParent) |
| : SvgNode(SVGTokenText, rDocument, pParent), |
| maSvgStyleAttributes(*this), |
| mpaTransform(0), |
| maSvgTextPositions() |
| { |
| } |
| |
| SvgTextNode::~SvgTextNode() |
| { |
| if(mpaTransform) delete mpaTransform; |
| } |
| |
| const SvgStyleAttributes* SvgTextNode::getSvgStyleAttributes() const |
| { |
| static rtl::OUString aClassStr(rtl::OUString::createFromAscii("text")); |
| |
| return checkForCssStyle(aClassStr, maSvgStyleAttributes); |
| } |
| |
| void SvgTextNode::parseAttribute(const rtl::OUString& rTokenName, SVGToken aSVGToken, const rtl::OUString& aContent) |
| { |
| // call parent |
| SvgNode::parseAttribute(rTokenName, aSVGToken, aContent); |
| |
| // read style attributes |
| maSvgStyleAttributes.parseStyleAttribute(rTokenName, aSVGToken, aContent); |
| |
| // read text position attributes |
| maSvgTextPositions.parseTextPositionAttributes(rTokenName, aSVGToken, aContent); |
| |
| // parse own |
| switch(aSVGToken) |
| { |
| case SVGTokenStyle: |
| { |
| maSvgStyleAttributes.readStyle(aContent); |
| break; |
| } |
| case SVGTokenTransform: |
| { |
| const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); |
| |
| if(!aMatrix.isIdentity()) |
| { |
| setTransform(&aMatrix); |
| } |
| break; |
| } |
| default: |
| { |
| break; |
| } |
| } |
| } |
| |
| void SvgTextNode::addTextPrimitives( |
| const SvgNode& rCandidate, |
| drawinglayer::primitive2d::Primitive2DSequence& rTarget, |
| drawinglayer::primitive2d::Primitive2DSequence& rSource) const |
| { |
| if(rSource.hasElements()) |
| { |
| const SvgStyleAttributes* pAttributes = rCandidate.getSvgStyleAttributes(); |
| |
| if(pAttributes) |
| { |
| // add text with taking all Fill/Stroke attributes into account |
| pAttributes->add_text(rTarget, rSource); |
| } |
| else |
| { |
| // should not happen, every subnode from SvgTextNode will at least |
| // return the attributes from SvgTextNode. Nonetheless, add text |
| drawinglayer::primitive2d::appendPrimitive2DSequenceToPrimitive2DSequence(rTarget, rSource); |
| } |
| } |
| } |
| |
| void SvgTextNode::DecomposeChild(const SvgNode& rCandidate, drawinglayer::primitive2d::Primitive2DSequence& rTarget, SvgTextPosition& rSvgTextPosition) const |
| { |
| switch(rCandidate.getType()) |
| { |
| case SVGTokenCharacter: |
| { |
| // direct SvgTextPathNode derivates, decompose them |
| const SvgCharacterNode& rSvgCharacterNode = static_cast< const SvgCharacterNode& >(rCandidate); |
| rSvgCharacterNode.decomposeText(rTarget, rSvgTextPosition); |
| break; |
| } |
| case SVGTokenTextPath: |
| { |
| // direct TextPath decompose |
| const SvgTextPathNode& rSvgTextPathNode = static_cast< const SvgTextPathNode& >(rCandidate); |
| const SvgNodeVector& rChildren = rSvgTextPathNode.getChildren(); |
| const sal_uInt32 nCount(rChildren.size()); |
| |
| if(nCount && rSvgTextPathNode.isValid()) |
| { |
| // remember original TextStart to later detect hor/ver offsets |
| const basegfx::B2DPoint aTextStart(rSvgTextPosition.getPosition()); |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget; |
| |
| // decompose to regular TextPrimitives |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| DecomposeChild(*rChildren[a], aNewTarget, rSvgTextPosition); |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| const drawinglayer::primitive2d::Primitive2DSequence aPathContent(aNewTarget); |
| aNewTarget.realloc(0); |
| |
| // dismantle TextPrimitives and map them on curve/path |
| rSvgTextPathNode.decomposePathNode(aPathContent, aNewTarget, aTextStart); |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| addTextPrimitives(rCandidate, rTarget, aNewTarget); |
| } |
| } |
| |
| break; |
| } |
| case SVGTokenTspan: |
| { |
| // Tspan may have children, call recursively |
| const SvgTspanNode& rSvgTspanNode = static_cast< const SvgTspanNode& >(rCandidate); |
| const SvgNodeVector& rChildren = rSvgTspanNode.getChildren(); |
| const sal_uInt32 nCount(rChildren.size()); |
| |
| if(nCount) |
| { |
| SvgTextPosition aSvgTextPosition(&rSvgTextPosition, rSvgTspanNode, rSvgTspanNode.getSvgTextPositions()); |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget; |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| DecomposeChild(*rChildren[a], aNewTarget, aSvgTextPosition); |
| } |
| |
| rSvgTextPosition.setPosition(aSvgTextPosition.getPosition()); |
| |
| if(aNewTarget.hasElements()) |
| { |
| addTextPrimitives(rCandidate, rTarget, aNewTarget); |
| } |
| } |
| break; |
| } |
| case SVGTokenTref: |
| { |
| const SvgTrefNode& rSvgTrefNode = static_cast< const SvgTrefNode& >(rCandidate); |
| const SvgTextNode* pRefText = rSvgTrefNode.getReferencedSvgTextNode(); |
| |
| if(pRefText) |
| { |
| const SvgNodeVector& rChildren = pRefText->getChildren(); |
| const sal_uInt32 nCount(rChildren.size()); |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget; |
| |
| if(nCount) |
| { |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| const SvgNode& rChildCandidate = *rChildren[a]; |
| const_cast< SvgNode& >(rChildCandidate).setAlternativeParent(this); |
| |
| DecomposeChild(rChildCandidate, aNewTarget, rSvgTextPosition); |
| const_cast< SvgNode& >(rChildCandidate).setAlternativeParent(0); |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| addTextPrimitives(rCandidate, rTarget, aNewTarget); |
| } |
| } |
| } |
| |
| break; |
| } |
| default: |
| { |
| OSL_ENSURE(false, "Unexpected node in text token (!)"); |
| break; |
| } |
| } |
| } |
| |
| void SvgTextNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DSequence& rTarget, bool /*bReferenced`*/) const |
| { |
| // text has a group of child nodes, allowed are SVGTokenCharacter, SVGTokenTspan, |
| // SVGTokenTref and SVGTokenTextPath. These increase a given current text position |
| const SvgStyleAttributes* pStyle = getSvgStyleAttributes(); |
| |
| if(pStyle && !getChildren().empty()) |
| { |
| const double fOpacity(pStyle->getOpacity().getNumber()); |
| |
| if(fOpacity > 0.0) |
| { |
| SvgTextPosition aSvgTextPosition(0, *this, getSvgTextPositions()); |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget; |
| const SvgNodeVector& rChildren = getChildren(); |
| const sal_uInt32 nCount(rChildren.size()); |
| |
| for(sal_uInt32 a(0); a < nCount; a++) |
| { |
| const SvgNode& rCandidate = *rChildren[a]; |
| |
| DecomposeChild(rCandidate, aNewTarget, aSvgTextPosition); |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| drawinglayer::primitive2d::Primitive2DSequence aNewTarget2; |
| |
| addTextPrimitives(*this, aNewTarget2, aNewTarget); |
| aNewTarget = aNewTarget2; |
| } |
| |
| if(aNewTarget.hasElements()) |
| { |
| pStyle->add_postProcess(rTarget, aNewTarget, getTransform()); |
| } |
| } |
| } |
| } |
| } // end of namespace svgreader |
| } // end of namespace svgio |
| |
| ////////////////////////////////////////////////////////////////////////////// |
| // eof |
