/* -*- 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 <basegfx/matrix/b2dhommatrixtools.hxx>
#include <vcl/graphicfilter.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <svgfeimagenode.hxx>
#include <o3tl/string_view.hxx>
#include <svgdocument.hxx>
#include <comphelper/base64.hxx>
#include <tools/stream.hxx>
#include <rtl/uri.hxx>
namespace svgio::svgreader
{
SvgFeImageNode::SvgFeImageNode(SvgDocument& rDocument, SvgNode* pParent)
: SvgFilterNode(SVGToken::FeImage, rDocument, pParent)
{
}
SvgFeImageNode::~SvgFeImageNode() {}
void SvgFeImageNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)
{
// parse own
switch (aSVGToken)
{
case SVGToken::Style:
{
readLocalCssStyle(aContent);
break ;
}
case SVGToken::Result:
{
maResult = aContent.trim();
break ;
}
case SVGToken::Href:
case SVGToken::XlinkHref:
{
const sal_Int32 nLen(aContent.getLength());
if (nLen)
{
OUString aXLink;
readImageLink(aContent, aXLink, maUrl, maData);
}
break ;
}
default :
{
break ;
}
}
}
void SvgFeImageNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget,
const SvgFilterNode* pParent) const
{
BitmapEx aBitmapEx;
if (!maData.isEmpty())
{
// use embedded base64 encoded data
css::uno::Sequence<sal_Int8> aPass;
::comphelper::Base64::decode(aPass, maData);
if (aPass.hasElements())
{
SvMemoryStream aStream(aPass.getArray(), aPass.getLength(), StreamMode::READ);
Graphic aGraphic;
if (ERRCODE_NONE
== GraphicFilter::GetGraphicFilter().ImportGraphic(aGraphic, u"" , aStream))
{
aBitmapEx = aGraphic.GetBitmapEx();
}
}
}
else if (!maUrl.isEmpty())
{
const OUString& rPath = getDocument().getAbsolutePath();
OUString aAbsUrl;
try
{
aAbsUrl = rtl::Uri::convertRelToAbs(rPath, maUrl);
}
catch (rtl::MalformedUriException& e)
{
SAL_WARN("svg" , "caught rtl::MalformedUriException \" " << e.getMessage() << " \"" );
}
if (!aAbsUrl.isEmpty() && rPath != aAbsUrl)
{
SvFileStream aStream(aAbsUrl, StreamMode::STD_READ);
Graphic aGraphic;
if (ERRCODE_NONE
== GraphicFilter::GetGraphicFilter().ImportGraphic(aGraphic, aAbsUrl, aStream))
{
aBitmapEx = aGraphic.GetBitmapEx();
}
}
}
if (!aBitmapEx.IsEmpty() && 0 != aBitmapEx.GetSizePixel().Width()
&& 0 != aBitmapEx.GetSizePixel().Height())
{
basegfx::B2DRange aViewBox
= rTarget.getB2DRange(drawinglayer::geometry::ViewInformation2D());
const drawinglayer::primitive2d::Primitive2DReference xRef(
new drawinglayer::primitive2d::BitmapPrimitive2D(
aBitmapEx, basegfx::utils::createScaleTranslateB2DHomMatrix(
aViewBox.getRange(), aViewBox.getMinimum())));
rTarget = drawinglayer::primitive2d::Primitive2DContainer{ xRef };
}
pParent->addGraphicSourceToMapper(maResult, rTarget);
}
} // end of namespace svgio::svgreader
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
Messung V0.5 in Prozent C=95 H=100 G=97
¤ Dauer der Verarbeitung: 0.8 Sekunden
(vorverarbeitet am 2026-10-01)
¤
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