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Diffstat (limited to 'svgio/source/svgreader/svgusenode.cxx')
| -rw-r--r-- | svgio/source/svgreader/svgusenode.cxx | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/svgio/source/svgreader/svgusenode.cxx b/svgio/source/svgreader/svgusenode.cxx new file mode 100644 index 000000000..d3d4331b7 --- /dev/null +++ b/svgio/source/svgreader/svgusenode.cxx @@ -0,0 +1,188 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * 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 . + */ + +#include <svgusenode.hxx> +#include <drawinglayer/primitive2d/transformprimitive2d.hxx> +#include <svgdocument.hxx> + +namespace svgio::svgreader +{ + SvgUseNode::SvgUseNode( + SvgDocument& rDocument, + SvgNode* pParent) + : SvgNode(SVGToken::Use, rDocument, pParent), + maSvgStyleAttributes(*this), + mbDecomposingSvgNode(false) + { + } + + SvgUseNode::~SvgUseNode() + { + } + + const SvgStyleAttributes* SvgUseNode::getSvgStyleAttributes() const + { + return checkForCssStyle("use", maSvgStyleAttributes); + } + + void SvgUseNode::parseAttribute(const OUString& rTokenName, SVGToken aSVGToken, const OUString& aContent) + { + // call parent + SvgNode::parseAttribute(rTokenName, aSVGToken, aContent); + + // read style attributes + maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent, false); + + // parse own + switch(aSVGToken) + { + case SVGToken::Style: + { + readLocalCssStyle(aContent); + break; + } + case SVGToken::Transform: + { + const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); + + if(!aMatrix.isIdentity()) + { + setTransform(aMatrix); + } + 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::Href: + case SVGToken::XlinkHref: + { + const sal_Int32 nLen(aContent.getLength()); + + if(nLen && '#' == aContent[0]) + { + maXLink = aContent.copy(1); + } + break; + } + default: + { + break; + } + } + } + + void SvgUseNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool /*bReferenced*/) const + { + // try to access link to content + const SvgNode* pXLink = getDocument().findSvgNodeById(maXLink); + + if (!pXLink || Display::None == pXLink->getDisplay() || mbDecomposingSvgNode) + return; + + // decompose children + drawinglayer::primitive2d::Primitive2DContainer aNewTarget; + + // todo: in case mpXLink is a SVGToken::Svg or SVGToken::Symbol the + // SVG docs want the getWidth() and getHeight() from this node + // to be valid for the subtree. + mbDecomposingSvgNode = true; + const_cast< SvgNode* >(pXLink)->setAlternativeParent(this); + pXLink->decomposeSvgNode(aNewTarget, true); + const_cast< SvgNode* >(pXLink)->setAlternativeParent(); + mbDecomposingSvgNode = false; + + if(aNewTarget.empty()) + return; + + basegfx::B2DHomMatrix aTransform; + + if(getX().isSet() || getY().isSet()) + { + aTransform.translate( + getX().solve(*this, NumberType::xcoordinate), + getY().solve(*this, NumberType::ycoordinate)); + } + + if(getTransform()) + { + aTransform = *getTransform() * aTransform; + } + + if(!aTransform.isIdentity()) + { + const drawinglayer::primitive2d::Primitive2DReference xRef( + new drawinglayer::primitive2d::TransformPrimitive2D( + aTransform, + std::move(aNewTarget))); + + rTarget.push_back(xRef); + } + else + { + rTarget.append(aNewTarget); + } + } + +} // end of namespace svgio::svgreader + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |