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Diffstat (limited to 'svgio/source/svgreader/svgpatternnode.cxx')
-rw-r--r-- | svgio/source/svgreader/svgpatternnode.cxx | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/svgio/source/svgreader/svgpatternnode.cxx b/svgio/source/svgreader/svgpatternnode.cxx new file mode 100644 index 000000000000..6aa7a7cd63a3 --- /dev/null +++ b/svgio/source/svgreader/svgpatternnode.cxx @@ -0,0 +1,463 @@ +/* -*- 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 <svgio/svgreader/svgpatternnode.hxx> +#include <svgio/svgreader/svgdocument.hxx> + +////////////////////////////////////////////////////////////////////////////// + +namespace svgio +{ + namespace svgreader + { + void SvgPatternNode::tryToFindLink() + { + if(!mpXLink && maXLink.getLength()) + { + mpXLink = dynamic_cast< const SvgPatternNode* >(getDocument().findSvgNodeById(maXLink)); + } + } + + SvgPatternNode::SvgPatternNode( + SvgDocument& rDocument, + SvgNode* pParent) + : SvgNode(SVGTokenPattern, rDocument, pParent), + aPrimitives(), + maSvgStyleAttributes(*this), + mpViewBox(0), + maSvgAspectRatio(), + maX(), + maY(), + maWidth(), + maHeight(), + mpPatternUnits(0), + mpPatternContentUnits(0), + mpaPatternTransform(0), + maXLink(), + mpXLink(0) + { + } + + SvgPatternNode::~SvgPatternNode() + { + if(mpViewBox) delete mpViewBox; + if(mpaPatternTransform) delete mpaPatternTransform; + if(mpPatternUnits) delete mpPatternUnits; + if(mpPatternContentUnits) delete mpPatternContentUnits; + } + + const SvgStyleAttributes* SvgPatternNode::getSvgStyleAttributes() const + { + static rtl::OUString aClassStr(rtl::OUString::createFromAscii("pattern")); + maSvgStyleAttributes.checkForCssStyle(aClassStr); + + return &maSvgStyleAttributes; + } + + void SvgPatternNode::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); + + // parse own + switch(aSVGToken) + { + case SVGTokenStyle: + { + maSvgStyleAttributes.readStyle(aContent); + break; + } + case SVGTokenViewBox: + { + const basegfx::B2DRange aRange(readViewBox(aContent, *this)); + + if(!aRange.isEmpty()) + { + setViewBox(&aRange); + } + break; + } + case SVGTokenPreserveAspectRatio: + { + setSvgAspectRatio(readSvgAspectRatio(aContent)); + break; + } + case SVGTokenX: + { + SvgNumber aNum; + + if(readSingleNumber(aContent, aNum)) + { + setX(aNum); + } + break; + } + case SVGTokenY: + { + SvgNumber aNum; + + if(readSingleNumber(aContent, aNum)) + { + setY(aNum); + } + break; + } + case SVGTokenWidth: + { + SvgNumber aNum; + + if(readSingleNumber(aContent, aNum)) + { + if(aNum.isPositive()) + { + setWidth(aNum); + } + } + break; + } + case SVGTokenHeight: + { + SvgNumber aNum; + + if(readSingleNumber(aContent, aNum)) + { + if(aNum.isPositive()) + { + setHeight(aNum); + } + } + break; + } + case SVGTokenPatternUnits: + { + if(aContent.getLength()) + { + if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0)) + { + setPatternUnits(userSpaceOnUse); + } + else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0)) + { + setPatternUnits(objectBoundingBox); + } + } + break; + } + case SVGTokenPatternContentUnits: + { + if(aContent.getLength()) + { + if(aContent.match(commonStrings::aStrUserSpaceOnUse, 0)) + { + setPatternContentUnits(userSpaceOnUse); + } + else if(aContent.match(commonStrings::aStrObjectBoundingBox, 0)) + { + setPatternContentUnits(objectBoundingBox); + } + } + break; + } + case SVGTokenPatternTransform: + { + const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this)); + + if(!aMatrix.isIdentity()) + { + setPatternTransform(&aMatrix); + } + break; + } + case SVGTokenXlinkHref: + { + const sal_Int32 nLen(aContent.getLength()); + + if(nLen && sal_Unicode('#') == aContent[0]) + { + maXLink = aContent.copy(1); + tryToFindLink(); + } + break; + } + default: + { + break; + } + } + } + + void SvgPatternNode::getValuesRelative(double& rfX, double& rfY, double& rfW, double& rfH, const basegfx::B2DRange& rGeoRange, SvgNode& rUser) const + { + double fTargetWidth(rGeoRange.getWidth()); + double fTargetHeight(rGeoRange.getHeight()); + + if(fTargetWidth > 0.0 && fTargetHeight > 0.0) + { + const SvgUnits aPatternUnits(getPatternUnits() ? *getPatternUnits() : objectBoundingBox); + + if(objectBoundingBox == aPatternUnits) + { + rfW = (getWidth().isSet()) ? getWidth().getNumber() : 0.0; + rfH = (getHeight().isSet()) ? getHeight().getNumber() : 0.0; + + if(Unit_percent == getWidth().getUnit()) + { + rfW *= 0.01; + } + + if(Unit_percent == getHeight().getUnit()) + { + rfH *= 0.01; + } + } + else + { + rfW = (getWidth().isSet()) ? getWidth().solve(rUser, xcoordinate) : 0.0; + rfH = (getHeight().isSet()) ? getHeight().solve(rUser, ycoordinate) : 0.0; + + // make relative to rGeoRange + rfW /= fTargetWidth; + rfH /= fTargetHeight; + } + + if(rfW > 0.0 && rfH > 0.0) + { + if(objectBoundingBox == aPatternUnits) + { + rfX = (getX().isSet()) ? getX().getNumber() : 0.0; + rfY = (getY().isSet()) ? getY().getNumber() : 0.0; + + if(Unit_percent == getX().getUnit()) + { + rfX *= 0.01; + } + + if(Unit_percent == getY().getUnit()) + { + rfY *= 0.01; + } + } + else + { + rfX = (getX().isSet()) ? getX().solve(rUser, xcoordinate) : 0.0; + rfY = (getY().isSet()) ? getY().solve(rUser, ycoordinate) : 0.0; + + // make relative to rGeoRange + rfX = (rfX - rGeoRange.getMinX()) / fTargetWidth; + rfY = (rfY - rGeoRange.getMinY()) / fTargetHeight; + } + } + } + } + + const drawinglayer::primitive2d::Primitive2DSequence& SvgPatternNode::getPatternPrimitives() const + { + if(!aPrimitives.hasElements()) + { + decomposeSvgNode(const_cast< SvgPatternNode* >(this)->aPrimitives, true); + } + + if(!aPrimitives.hasElements() && maXLink.getLength()) + { + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getPatternPrimitives(); + } + } + + return aPrimitives; + } + + const basegfx::B2DRange* SvgPatternNode::getCurrentViewPort() const + { + if(getViewBox()) + { + return getViewBox(); + } + else + { + return SvgNode::getCurrentViewPort(); + } + } + + const basegfx::B2DRange* SvgPatternNode::getViewBox() const + { + if(mpViewBox) + { + return mpViewBox; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getViewBox(); + } + + return 0; + } + + const SvgAspectRatio& SvgPatternNode::getSvgAspectRatio() const + { + if(maSvgAspectRatio.isSet()) + { + return maSvgAspectRatio; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getSvgAspectRatio(); + } + + return maSvgAspectRatio; + } + + const SvgNumber& SvgPatternNode::getX() const + { + if(maX.isSet()) + { + return maX; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getX(); + } + + return maX; + } + + const SvgNumber& SvgPatternNode::getY() const + { + if(maY.isSet()) + { + return maY; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getY(); + } + + return maY; + } + + const SvgNumber& SvgPatternNode::getWidth() const + { + if(maWidth.isSet()) + { + return maWidth; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getWidth(); + } + + return maWidth; + } + + const SvgNumber& SvgPatternNode::getHeight() const + { + if(maHeight.isSet()) + { + return maHeight; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getHeight(); + } + + return maHeight; + } + + const SvgUnits* SvgPatternNode::getPatternUnits() const + { + if(mpPatternUnits) + { + return mpPatternUnits; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getPatternUnits(); + } + + return 0; + } + + const SvgUnits* SvgPatternNode::getPatternContentUnits() const + { + if(mpPatternContentUnits) + { + return mpPatternContentUnits; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getPatternContentUnits(); + } + + return 0; + } + + const basegfx::B2DHomMatrix* SvgPatternNode::getPatternTransform() const + { + if(mpaPatternTransform) + { + return mpaPatternTransform; + } + + const_cast< SvgPatternNode* >(this)->tryToFindLink(); + + if(mpXLink) + { + return mpXLink->getPatternTransform(); + } + + return 0; + } + + } // end of namespace svgreader +} // end of namespace svgio + +////////////////////////////////////////////////////////////////////////////// +// eof + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |