svgfeoffsetnode.cxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <svgfeoffsetnode.hxx>
#include <o3tl/string_view.hxx>
 
namespace svgio::svgreader
{
SvgFeOffsetNode::SvgFeOffsetNode(SvgDocument& rDocument, SvgNode* pParent)
    : SvgFilterNode(SVGToken::FeOffset, rDocument, pParent)
    , maDx(SvgNumber(0.0))
    , maDy(SvgNumber(0.0))
{
}
 
SvgFeOffsetNode::~SvgFeOffsetNode() {}
 
void SvgFeOffsetNode::parseAttribute(const OUString& /*rTokenName*/, SVGToken aSVGToken,
                                     const OUString& aContent)
{
    // parse own
    switch (aSVGToken)
    {
        case SVGToken::Dx:
        {
            SvgNumber aNum;
 
            if (readSingleNumber(aContent, aNum))
            {
                if (aNum.isPositive())
                {
                    maDx = aNum;
                }
            }
            break;
        }
        case SVGToken::Dy:
        {
            SvgNumber aNum;
 
            if (readSingleNumber(aContent, aNum))
            {
                if (aNum.isPositive())
                {
                    maDy = aNum;
                }
            }
            break;
        }
        default:
        {
            break;
        }
    }
}
 
void SvgFeOffsetNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget) const
{
    basegfx::B2DHomMatrix aTransform;
 
    if (maDx.isSet() || maDy.isSet())
    {
        aTransform.translate(maDx.solve(*this, NumberType::xcoordinate),
                             maDy.solve(*this, NumberType::ycoordinate));
    }
 
    const drawinglayer::primitive2d::Primitive2DReference xRef(
        new drawinglayer::primitive2d::TransformPrimitive2D(aTransform, std::move(rTarget)));
 
    rTarget = drawinglayer::primitive2d::Primitive2DContainer{ xRef };
}
 
} // end of namespace svgio::svgreader
 
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