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+/* -*- 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: */