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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 <svgfilternode.hxx>
#include <svgfecolormatrixnode.hxx>
#include <svgfedropshadownode.hxx>
#include <svgfefloodnode.hxx>
#include <svgfeimagenode.hxx>
#include <svgfegaussianblurnode.hxx>
#include <svgfeoffsetnode.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/converters.hxx>
namespace svgio::svgreader
{
SvgFilterNode::SvgFilterNode(SVGToken aType, SvgDocument& rDocument, SvgNode* pParent)
: SvgNode(aType, rDocument, pParent)
{
}
SvgFilterNode::~SvgFilterNode() {}
void SvgFilterNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget,
const SvgFilterNode* /*pParent*/) const
{
if (rTarget.empty())
return;
const auto& rChildren = getChildren();
const sal_uInt32 nCount(rChildren.size());
addGraphicSourceToMapper("SourceGraphic", rTarget);
// TODO: For now, map SourceAlpha, BackgroundImage,
// BackgroundAlpha, FillPaint and StrokePaint to rTarget
// so at least something is displayed
addGraphicSourceToMapper("SourceAlpha", rTarget);
addGraphicSourceToMapper("BackgroundImage", rTarget);
addGraphicSourceToMapper("BackgroundAlpha", rTarget);
addGraphicSourceToMapper("FillPaint", rTarget);
addGraphicSourceToMapper("StrokePaint", rTarget);
// apply children's filters
for (sal_uInt32 a(0); a < nCount; a++)
{
SvgFilterNode* pFilterNode = dynamic_cast<SvgFilterNode*>(rChildren[a].get());
if (pFilterNode)
{
pFilterNode->apply(rTarget, this);
}
}
}
void SvgFilterNode::addGraphicSourceToMapper(
const OUString& rStr, drawinglayer::primitive2d::Primitive2DContainer pGraphicSource) const
{
if (!rStr.isEmpty())
{
const_cast<SvgFilterNode*>(this)->maIdGraphicSourceMapperList.emplace(rStr, pGraphicSource);
}
}
const drawinglayer::primitive2d::Primitive2DContainer*
SvgFilterNode::findGraphicSource(const OUString& rStr) const
{
if (rStr.isEmpty())
return nullptr;
const IdGraphicSourceMapper::const_iterator aResult(maIdGraphicSourceMapperList.find(rStr));
if (aResult == maIdGraphicSourceMapperList.end())
{
return nullptr;
}
else
{
return &aResult->second;
}
}
BitmapEx
SvgFilterNode::convertToBitmapEx(const drawinglayer::primitive2d::Primitive2DContainer* pSeq)
{
drawinglayer::primitive2d::Primitive2DContainer aSequence(*pSeq);
const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
basegfx::B2DRange aRange = aSequence.getB2DRange(aViewInformation2D);
basegfx::B2DHomMatrix aEmbedding(
basegfx::utils::createTranslateB2DHomMatrix(-aRange.getMinX(), -aRange.getMinY()));
aEmbedding.scale(aRange.getWidth(), aRange.getHeight());
const drawinglayer::primitive2d::Primitive2DReference xEmbedRef(
new drawinglayer::primitive2d::TransformPrimitive2D(aEmbedding, std::move(aSequence)));
drawinglayer::primitive2d::Primitive2DContainer xEmbedSeq{ xEmbedRef };
return drawinglayer::convertToBitmapEx(std::move(xEmbedSeq), aViewInformation2D,
aRange.getWidth(), aRange.getHeight(), 500000);
}
} // end of namespace svgio::svgreader
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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