465 lines
14 KiB
C++
465 lines
14 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svgpatternnode.hxx>
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#include <svgdocument.hxx>
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#include <o3tl/string_view.hxx>
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namespace svgio::svgreader
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{
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void SvgPatternNode::tryToFindLink()
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{
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if(!mpXLink && !maXLink.isEmpty())
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{
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mpXLink = dynamic_cast< const SvgPatternNode* >(getDocument().findSvgNodeById(maXLink));
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}
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}
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SvgPatternNode::SvgPatternNode(
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SvgDocument& rDocument,
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SvgNode* pParent)
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: SvgNode(SVGToken::Pattern, rDocument, pParent),
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maSvgStyleAttributes(*this),
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mbResolvingLink(false),
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mpXLink(nullptr)
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{
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}
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SvgPatternNode::~SvgPatternNode()
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{
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}
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const SvgStyleAttributes* SvgPatternNode::getSvgStyleAttributes() const
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{
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return checkForCssStyle(maSvgStyleAttributes);
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}
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void SvgPatternNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)
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{
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// call parent
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SvgNode::parseAttribute(aSVGToken, aContent);
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// read style attributes
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maSvgStyleAttributes.parseStyleAttribute(aSVGToken, aContent);
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// parse own
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switch(aSVGToken)
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{
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case SVGToken::Style:
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{
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readLocalCssStyle(aContent);
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break;
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}
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case SVGToken::ViewBox:
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{
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const basegfx::B2DRange aRange(readViewBox(aContent, *this));
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if(!aRange.isEmpty())
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{
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setViewBox(&aRange);
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}
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break;
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}
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case SVGToken::PreserveAspectRatio:
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{
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maSvgAspectRatio = readSvgAspectRatio(aContent);
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break;
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}
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case SVGToken::X:
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{
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SvgNumber aNum;
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if(readSingleNumber(aContent, aNum))
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{
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maX = aNum;
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}
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break;
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}
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case SVGToken::Y:
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{
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SvgNumber aNum;
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if(readSingleNumber(aContent, aNum))
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{
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maY = aNum;
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}
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break;
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}
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case SVGToken::Width:
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{
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SvgNumber aNum;
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if(readSingleNumber(aContent, aNum))
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{
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if(aNum.isPositive())
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{
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maWidth = aNum;
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}
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}
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break;
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}
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case SVGToken::Height:
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{
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SvgNumber aNum;
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if(readSingleNumber(aContent, aNum))
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{
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if(aNum.isPositive())
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{
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maHeight = aNum;
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}
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}
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break;
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}
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case SVGToken::PatternUnits:
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{
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if(!aContent.isEmpty())
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{
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if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrUserSpaceOnUse))
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{
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setPatternUnits(SvgUnits::userSpaceOnUse);
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}
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else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrObjectBoundingBox))
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{
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setPatternUnits(SvgUnits::objectBoundingBox);
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}
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}
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break;
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}
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case SVGToken::PatternContentUnits:
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{
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if(!aContent.isEmpty())
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{
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if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrUserSpaceOnUse))
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{
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setPatternContentUnits(SvgUnits::userSpaceOnUse);
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}
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else if(o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), commonStrings::aStrObjectBoundingBox))
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{
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setPatternContentUnits(SvgUnits::objectBoundingBox);
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}
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}
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break;
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}
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case SVGToken::PatternTransform:
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{
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const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
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if(!aMatrix.isIdentity())
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{
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setPatternTransform(aMatrix);
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}
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break;
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}
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case SVGToken::Href:
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case SVGToken::XlinkHref:
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{
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readLocalLink(aContent, maXLink);
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tryToFindLink();
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break;
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}
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default:
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{
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break;
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}
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}
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}
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void SvgPatternNode::getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode const & rUser) const
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{
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double fTargetWidth(rGeoRange.getWidth());
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double fTargetHeight(rGeoRange.getHeight());
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if(fTargetWidth <= 0.0 || fTargetHeight <= 0.0)
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return;
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const SvgUnits aPatternUnits(getPatternUnits() ? *getPatternUnits() : SvgUnits::objectBoundingBox);
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if (SvgUnits::objectBoundingBox == aPatternUnits)
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{
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rfW = (getWidth().isSet()) ? getWidth().getNumber() : 0.0;
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rfH = (getHeight().isSet()) ? getHeight().getNumber() : 0.0;
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if(SvgUnit::percent == getWidth().getUnit())
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{
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rfW *= 0.01;
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}
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if(SvgUnit::percent == getHeight().getUnit())
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{
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rfH *= 0.01;
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}
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}
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else
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{
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rfW = (getWidth().isSet()) ? getWidth().solve(rUser, NumberType::xcoordinate) : 0.0;
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rfH = (getHeight().isSet()) ? getHeight().solve(rUser, NumberType::ycoordinate) : 0.0;
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// make relative to rGeoRange
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rfW /= fTargetWidth;
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rfH /= fTargetHeight;
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}
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if(rfW <= 0.0 || rfH <= 0.0)
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return;
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if (SvgUnits::objectBoundingBox == aPatternUnits)
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{
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rfX = (getX().isSet()) ? getX().getNumber() : 0.0;
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rfY = (getY().isSet()) ? getY().getNumber() : 0.0;
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if(SvgUnit::percent == getX().getUnit())
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{
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rfX *= 0.01;
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}
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if(SvgUnit::percent == getY().getUnit())
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{
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rfY *= 0.01;
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}
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}
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else
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{
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rfX = (getX().isSet()) ? getX().solve(rUser, NumberType::xcoordinate) : 0.0;
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rfY = (getY().isSet()) ? getY().solve(rUser, NumberType::ycoordinate) : 0.0;
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// make relative to rGeoRange
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rfX = (rfX - rGeoRange.getMinX()) / fTargetWidth;
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rfY = (rfY - rGeoRange.getMinY()) / fTargetHeight;
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}
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}
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const drawinglayer::primitive2d::Primitive2DContainer& SvgPatternNode::getPatternPrimitives() const
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{
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if(aPrimitives.empty() && Display::None != getDisplay())
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{
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decomposeSvgNode(const_cast< SvgPatternNode* >(this)->aPrimitives, true);
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}
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if(aPrimitives.empty() && !maXLink.isEmpty())
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{
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const drawinglayer::primitive2d::Primitive2DContainer& ret = mpXLink->getPatternPrimitives();
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mbResolvingLink = false;
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return ret;
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}
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}
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return aPrimitives;
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}
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basegfx::B2DRange SvgPatternNode::getCurrentViewPort() const
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{
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if(getViewBox())
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{
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return *(getViewBox());
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}
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else
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{
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return SvgNode::getCurrentViewPort();
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}
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}
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const basegfx::B2DRange* SvgPatternNode::getViewBox() const
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{
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if(mpViewBox)
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{
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return mpViewBox.get();
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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auto ret = mpXLink->getViewBox();
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mbResolvingLink = false;
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return ret;
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}
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return nullptr;
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}
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const SvgAspectRatio& SvgPatternNode::getSvgAspectRatio() const
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{
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if(maSvgAspectRatio.isSet())
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{
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return maSvgAspectRatio;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const SvgAspectRatio& ret = mpXLink->getSvgAspectRatio();
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mbResolvingLink = false;
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return ret;
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}
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return maSvgAspectRatio;
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}
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const SvgNumber& SvgPatternNode::getX() const
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{
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if(maX.isSet())
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{
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return maX;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const SvgNumber& ret = mpXLink->getX();
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mbResolvingLink = false;
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return ret;
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}
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return maX;
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}
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const SvgNumber& SvgPatternNode::getY() const
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{
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if(maY.isSet())
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{
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return maY;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const SvgNumber& ret = mpXLink->getY();
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mbResolvingLink = false;
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return ret;
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}
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return maY;
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}
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const SvgNumber& SvgPatternNode::getWidth() const
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{
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if(maWidth.isSet())
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{
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return maWidth;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const SvgNumber& ret = mpXLink->getWidth();
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mbResolvingLink = false;
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return ret;
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}
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return maWidth;
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}
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const SvgNumber& SvgPatternNode::getHeight() const
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{
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if(maHeight.isSet())
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{
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return maHeight;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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const SvgNumber& ret = mpXLink->getHeight();
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mbResolvingLink = false;
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return ret;
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}
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return maHeight;
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}
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const SvgUnits* SvgPatternNode::getPatternUnits() const
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{
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if(moPatternUnits)
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{
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return &*moPatternUnits;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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auto ret = mpXLink->getPatternUnits();
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mbResolvingLink = false;
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return ret;
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}
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return nullptr;
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}
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const SvgUnits* SvgPatternNode::getPatternContentUnits() const
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{
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if(moPatternContentUnits)
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{
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return &*moPatternContentUnits;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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auto ret = mpXLink->getPatternContentUnits();
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mbResolvingLink = false;
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return ret;
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}
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return nullptr;
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}
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std::optional<basegfx::B2DHomMatrix> SvgPatternNode::getPatternTransform() const
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{
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if(mpaPatternTransform)
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{
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return mpaPatternTransform;
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}
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const_cast< SvgPatternNode* >(this)->tryToFindLink();
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if (mpXLink && !mbResolvingLink)
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{
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mbResolvingLink = true;
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auto ret = mpXLink->getPatternTransform();
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mbResolvingLink = false;
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return ret;
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}
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return std::nullopt;
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}
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} // end of namespace svgio::svgreader
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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