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/*
* 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 <svgfeblendnode.hxx>
#include <o3tl/string_view.hxx>
#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
#include <drawinglayer/converters.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <vcl/bitmap/BitmapDarkenBlendFilter.hxx>
#include <vcl/bitmap/BitmapLightenBlendFilter.hxx>
#include <vcl/bitmap/BitmapMultiplyBlendFilter.hxx>
#include <vcl/bitmap/BitmapNormalBlendFilter.hxx>
#include <vcl/bitmap/BitmapScreenBlendFilter.hxx>
#include <vcl/BitmapTools.hxx>
namespace svgio::svgreader
{
SvgFeBlendNode::SvgFeBlendNode(SvgDocument& rDocument, SvgNode* pParent)
: SvgFilterNode(SVGToken::FeBlend, rDocument, pParent)
, maMode(Mode::Normal)
{
}
SvgFeBlendNode::~SvgFeBlendNode() {}
void SvgFeBlendNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)
{
// parse own
switch (aSVGToken)
{
case SVGToken::Style:
{
readLocalCssStyle(aContent);
break;
}
case SVGToken::In:
{
maIn = aContent.trim();
break;
}
case SVGToken::In2:
{
maIn2 = aContent.trim();
break;
}
case SVGToken::Result:
{
maResult = aContent.trim();
break;
}
case SVGToken::Mode:
{
if (!aContent.isEmpty())
{
if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"normal"))
{
maMode = Mode::Normal;
}
else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"screen"))
{
maMode = Mode::Screen;
}
else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"multiply"))
{
maMode = Mode::Multiply;
}
else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"darken"))
{
maMode = Mode::Darken;
}
else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"lighten"))
{
maMode = Mode::Lighten;
}
}
break;
}
default:
{
break;
}
}
}
void SvgFeBlendNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget,
const SvgFilterNode* pParent) const
{
const drawinglayer::primitive2d::Primitive2DContainer* pSource
= pParent->findGraphicSource(maIn);
const drawinglayer::primitive2d::Primitive2DContainer* pSource2
= pParent->findGraphicSource(maIn2);
basegfx::B2DRange aRange, aRange2;
const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
if (pSource)
{
aRange = pSource->getB2DRange(aViewInformation2D);
}
if (pSource2)
{
aRange2 = pSource2->getB2DRange(aViewInformation2D);
}
const basegfx::B2DRange aBaseRange(0, 0, std::max(aRange.getMaxX(), aRange2.getMaxX()),
std::max(aRange.getMaxY(), aRange2.getMaxY()));
BitmapEx aBmpEx, aBmpEx2;
if (pSource)
{
drawinglayer::primitive2d::Primitive2DContainer aSource(*pSource);
aBmpEx = drawinglayer::convertToBitmapEx(std::move(aSource), aViewInformation2D,
aBaseRange.getWidth(), aBaseRange.getHeight(),
aBaseRange.getWidth() * aBaseRange.getHeight());
}
else
{
aBmpEx = drawinglayer::convertToBitmapEx(std::move(rTarget), aViewInformation2D,
aBaseRange.getWidth(), aBaseRange.getHeight(),
aBaseRange.getWidth() * aBaseRange.getHeight());
}
if (pSource2)
{
drawinglayer::primitive2d::Primitive2DContainer aSource(*pSource2);
aBmpEx2 = drawinglayer::convertToBitmapEx(std::move(aSource), aViewInformation2D,
aBaseRange.getWidth(), aBaseRange.getHeight(),
aBaseRange.getWidth() * aBaseRange.getHeight());
}
else
{
aBmpEx2 = drawinglayer::convertToBitmapEx(std::move(rTarget), aViewInformation2D,
aBaseRange.getWidth(), aBaseRange.getHeight(),
aBaseRange.getWidth() * aBaseRange.getHeight());
}
BitmapEx aResBmpEx;
switch (maMode)
{
case Mode::Screen:
{
BitmapScreenBlendFilter aScreenBlendFilter(aBmpEx, aBmpEx2);
aResBmpEx = aScreenBlendFilter.execute();
break;
}
case Mode::Multiply:
{
BitmapMultiplyBlendFilter aMultiplyBlendFilter(aBmpEx, aBmpEx2);
aResBmpEx = aMultiplyBlendFilter.execute();
break;
}
case Mode::Darken:
{
BitmapDarkenBlendFilter aDarkenBlendFilter(aBmpEx2);
aResBmpEx = aDarkenBlendFilter.execute(aBmpEx);
break;
}
case Mode::Lighten:
{
BitmapLightenBlendFilter aLightenBlendFilter(aBmpEx, aBmpEx2);
aResBmpEx = aLightenBlendFilter.execute();
break;
}
case Mode::Normal:
{
BitmapNormalBlendFilter aNormalBlendFilter(aBmpEx, aBmpEx2);
aResBmpEx = aNormalBlendFilter.execute();
break;
}
}
const drawinglayer::primitive2d::Primitive2DReference xRef(
new drawinglayer::primitive2d::BitmapPrimitive2D(
aResBmpEx, basegfx::utils::createScaleTranslateB2DHomMatrix(aBaseRange.getRange(),
aBaseRange.getMinimum())));
rTarget = drawinglayer::primitive2d::Primitive2DContainer{ xRef };
pParent->addGraphicSourceToMapper(maResult, rTarget);
}
} // end of namespace svgio::svgreader
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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