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libreoffice/svgio/source/svgreader/svglinenode.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

153 lines
4.9 KiB
C++

/* -*- 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 <svglinenode.hxx>
#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
namespace svgio::svgreader
{
SvgLineNode::SvgLineNode(
SvgDocument& rDocument,
SvgNode* pParent)
: SvgNode(SVGToken::Line, rDocument, pParent),
maSvgStyleAttributes(*this),
maX1(0),
maY1(0),
maX2(0),
maY2(0)
{
}
SvgLineNode::~SvgLineNode()
{
}
const SvgStyleAttributes* SvgLineNode::getSvgStyleAttributes() const
{
return checkForCssStyle(maSvgStyleAttributes);
}
void SvgLineNode::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::X1:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
maX1 = aNum;
}
break;
}
case SVGToken::Y1:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
maY1 = aNum;
}
break;
}
case SVGToken::X2:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
maX2 = aNum;
}
break;
}
case SVGToken::Y2:
{
SvgNumber aNum;
if(readSingleNumber(aContent, aNum))
{
maY2 = aNum;
}
break;
}
case SVGToken::Transform:
{
const basegfx::B2DHomMatrix aMatrix(readTransform(aContent, *this));
if(!aMatrix.isIdentity())
{
setTransform(aMatrix);
}
break;
}
default:
{
break;
}
}
}
void SvgLineNode::decomposeSvgNode(drawinglayer::primitive2d::Primitive2DContainer& rTarget, bool /*bReferenced*/) const
{
const SvgStyleAttributes* pStyle = getSvgStyleAttributes();
if(!pStyle)
return;
const basegfx::B2DPoint X(
getX1().isSet() ? getX1().solve(*this, NumberType::xcoordinate) : 0.0,
getY1().isSet() ? getY1().solve(*this, NumberType::ycoordinate) : 0.0);
const basegfx::B2DPoint Y(
getX2().isSet() ? getX2().solve(*this, NumberType::xcoordinate) : 0.0,
getY2().isSet() ? getY2().solve(*this, NumberType::ycoordinate) : 0.0);
// X and Y may be equal, do not drop them. Markers or linecaps 'round' and 'square'
// need to be drawn for zero-length lines too.
basegfx::B2DPolygon aPath;
aPath.append(X);
aPath.append(Y);
drawinglayer::primitive2d::Primitive2DContainer aNewTarget;
pStyle->add_path(basegfx::B2DPolyPolygon(aPath), aNewTarget, nullptr);
if(!aNewTarget.empty())
{
pStyle->add_postProcess(rTarget, std::move(aNewTarget), getTransform());
}
}
} // end of namespace svgio::svgreader
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */