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Diffstat (limited to 'svgio/source/svgreader/svgpatternnode.cxx')
| -rw-r--r-- | svgio/source/svgreader/svgpatternnode.cxx | 465 |
1 files changed, 465 insertions, 0 deletions
diff --git a/svgio/source/svgreader/svgpatternnode.cxx b/svgio/source/svgreader/svgpatternnode.cxx new file mode 100644 index 0000000000..4c180558d5 --- /dev/null +++ b/svgio/source/svgreader/svgpatternnode.cxx @@ -0,0 +1,465 @@ +/* -*- 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 <svgpatternnode.hxx> +#include <svgdocument.hxx> +#include <o3tl/string_view.hxx> + +namespace svgio::svgreader +{ + void SvgPatternNode::tryToFindLink() + { + if(!mpXLink && !maXLink.isEmpty()) + { + mpXLink = dynamic_cast< const SvgPatternNode* >(getDocument().findSvgNodeById(maXLink)); + } + } + + SvgPatternNode::SvgPatternNode( + SvgDocument& rDocument, + SvgNode* pParent) + : SvgNode(SVGToken::Pattern, rDocument, pParent), + maSvgStyleAttributes(*this), + mbResolvingLink(false), + mpXLink(nullptr) + { + } + + SvgPatternNode::~SvgPatternNode() + { + } + + const SvgStyleAttributes* SvgPatternNode::getSvgStyleAttributes() const + { + return checkForCssStyle(maSvgStyleAttributes); + } + + void SvgPatternNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent) + { + // call parent + SvgNode::parseAttribute(aSVGToken, aContent); + + // read style attributes + maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent); + + // parse own + switch(aSVGToken) + { + case SVGToken::Style: + { + readLocalCssStyle(aContent); + break; + } + case SVGToken::ViewBox: + { + const basegfx::B2DRange aRange(readViewBox(aContent, *this)); + + if(!aRange.isEmpty()) + { + setViewBox(&aRange); + } + break; + } + case SVGToken::PreserveAspectRatio: + { + maSvgAspectRatio = readSvgAspectRatio(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::PatternUnits: + { + if(!aContent.isEmpty()) + { + if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrUserSpaceOnUse)) + { + setPatternUnits(SvgUnits::userSpaceOnUse); + } + else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrObjectBoundingBox)) + { + setPatternUnits(SvgUnits::objectBoundingBox); + } + } + break; + } + case SVGToken::PatternContentUnits: + { + if(!aContent.isEmpty()) + { + if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrUserSpaceOnUse)) + { + setPatternContentUnits(SvgUnits::userSpaceOnUse); + } + else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrObjectBoundingBox)) + { + setPatternContentUnits(SvgUnits::objectBoundingBox); + } + } + break; + } + case SVGToken::PatternTransform: + { + const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); + + if(!aMatrix.isIdentity()) + { + setPatternTransform(aMatrix); + } + break; + } + case SVGToken::Href: + case SVGToken::XlinkHref: + { + readLocalLink(aContent, maXLink); + tryToFindLink(); + break; + } + default: + { + break; + } + } + } + + void SvgPatternNode::getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode const & rUser) const + { + double fTargetWidth(rGeoRange.getWidth()); + double fTargetHeight(rGeoRange.getHeight()); + + if(fTargetWidth <= 0.0 || fTargetHeight <= 0.0) + return; + + const SvgUnits aPatternUnits(getPatternUnits() ? *getPatternUnits() : SvgUnits::objectBoundingBox); + + if (SvgUnits::objectBoundingBox == aPatternUnits) + { + rfW = (getWidth().isSet()) ? getWidth().getNumber() : 0.0; + rfH = (getHeight().isSet()) ? getHeight().getNumber() : 0.0; + + if(SvgUnit::percent == getWidth().getUnit()) + { + rfW *= 0.01; + } + + if(SvgUnit::percent == getHeight().getUnit()) + { + rfH *= 0.01; + } + } + else + { + rfW = (getWidth().isSet()) ? getWidth().solve(rUser, NumberType::xcoordinate) : 0.0; + rfH = (getHeight().isSet()) ? getHeight().solve(rUser, NumberType::ycoordinate) : 0.0; + + // make relative to rGeoRange + rfW /= fTargetWidth; + rfH /= fTargetHeight; + } + + if(rfW <= 0.0 || rfH <= 0.0) + return; + + if (SvgUnits::objectBoundingBox == aPatternUnits) + { + rfX = (getX().isSet()) ? getX().getNumber() : 0.0; + rfY = (getY().isSet()) ? getY().getNumber() : 0.0; + + if(SvgUnit::percent == getX().getUnit()) + { + rfX *= 0.01; + } + + if(SvgUnit::percent == getY().getUnit()) + { + rfY *= 0.01; + } + } + else + { + rfX = (getX().isSet()) ? getX().solve(rUser, NumberType::xcoordinate) : 0.0; + rfY = (getY().isSet()) ? getY().solve(rUser, NumberType::ycoordinate) : 0.0; + + // make relative to rGeoRange + rfX = (rfX - rGeoRange.getMinX()) / fTargetWidth; + rfY = (rfY - rGeoRange.getMinY()) / fTargetHeight; + } + } + + const drawinglayer::primitive2d::Primitive2DContainer& SvgPatternNode::getPatternPrimitives() const + { + if(aPrimitives.empty() && Display::None != getDisplay()) + { + decomposeSvgNode(const_cast< SvgPatternNode* >(this)->aPrimitives, true); + } + + if(aPrimitives.empty() && !maXLink.isEmpty()) + { + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const drawinglayer::primitive2d::Primitive2DContainer& ret = mpXLink->getPatternPrimitives(); + mbResolvingLink = false; + return ret; + } + } + + return aPrimitives; + } + + basegfx::B2DRange SvgPatternNode::getCurrentViewPort() const + { + if(getViewBox()) + { + return *(getViewBox()); + } + else + { + return SvgNode::getCurrentViewPort(); + } + } + + const basegfx::B2DRange* SvgPatternNode::getViewBox() const + { + if(mpViewBox) + { + return mpViewBox.get(); + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + auto ret = mpXLink->getViewBox(); + mbResolvingLink = false; + return ret; + } + + return nullptr; + } + + const SvgAspectRatio& SvgPatternNode::getSvgAspectRatio() const + { + if(maSvgAspectRatio.isSet()) + { + return maSvgAspectRatio; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const SvgAspectRatio& ret = mpXLink->getSvgAspectRatio(); + mbResolvingLink = false; + return ret; + } + + return maSvgAspectRatio; + } + + const SvgNumber& SvgPatternNode::getX() const + { + if(maX.isSet()) + { + return maX; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const SvgNumber& ret = mpXLink->getX(); + mbResolvingLink = false; + return ret; + } + + return maX; + } + + const SvgNumber& SvgPatternNode::getY() const + { + if(maY.isSet()) + { + return maY; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const SvgNumber& ret = mpXLink->getY(); + mbResolvingLink = false; + return ret; + } + + return maY; + } + + const SvgNumber& SvgPatternNode::getWidth() const + { + if(maWidth.isSet()) + { + return maWidth; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const SvgNumber& ret = mpXLink->getWidth(); + mbResolvingLink = false; + return ret; + } + + return maWidth; + } + + const SvgNumber& SvgPatternNode::getHeight() const + { + if(maHeight.isSet()) + { + return maHeight; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + const SvgNumber& ret = mpXLink->getHeight(); + mbResolvingLink = false; + return ret; + } + + return maHeight; + } + + const SvgUnits* SvgPatternNode::getPatternUnits() const + { + if(moPatternUnits) + { + return &*moPatternUnits; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + auto ret = mpXLink->getPatternUnits(); + mbResolvingLink = false; + return ret; + } + + return nullptr; + } + + const SvgUnits* SvgPatternNode::getPatternContentUnits() const + { + if(moPatternContentUnits) + { + return &*moPatternContentUnits; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + auto ret = mpXLink->getPatternContentUnits(); + mbResolvingLink = false; + return ret; + } + + return nullptr; + } + + std::optional<basegfx::B2DHomMatrix> SvgPatternNode::getPatternTransform() const + { + if(mpaPatternTransform) + { + return mpaPatternTransform; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if (mpXLink && !mbResolvingLink) + { + mbResolvingLink = true; + auto ret = mpXLink->getPatternTransform(); + mbResolvingLink = false; + return ret; + } + + return std::nullopt; + } + +} // end of namespace svgio::svgreader + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |