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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 <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: */
|
