bc2ff9daf5
Use #pragma once instead of header guards Change-Id: Iba43f2103628ed184933cf2611991e7aef9f0173 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/173369 Reviewed-by: Tomaž Vajngerl <quikee@gmail.com> Tested-by: Jenkins
272 lines
9.3 KiB
C++
272 lines
9.3 KiB
C++
/*
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* This file is part of the LibreOffice project.
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/.
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*
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* This file incorporates work covered by the following license notice:
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed
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* with this work for additional information regarding copyright
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* ownership. The ASF licenses this file to you under the Apache
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* License, Version 2.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.apache.org/licenses/LICENSE-2.0 .
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*/
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#include <svgfecompositenode.hxx>
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#include <o3tl/string_view.hxx>
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#include <basegfx/polygon/b2dpolygontools.hxx>
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#include <basegfx/polygon/b2dpolypolygoncutter.hxx>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <drawinglayer/primitive2d/maskprimitive2d.hxx>
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#include <drawinglayer/processor2d/contourextractor2d.hxx>
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#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
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#include <drawinglayer/primitive2d/bitmapprimitive2d.hxx>
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#include <vcl/bitmap/BitmapArithmeticBlendFilter.hxx>
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#include <drawinglayer/converters.hxx>
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#include <basegfx/matrix/b2dhommatrixtools.hxx>
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#include <vcl/BitmapWriteAccess.hxx>
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#include <vcl/BitmapTools.hxx>
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namespace svgio::svgreader
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{
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SvgFeCompositeNode::SvgFeCompositeNode(SvgDocument& rDocument, SvgNode* pParent)
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: SvgFilterNode(SVGToken::FeComposite, rDocument, pParent)
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, maOperator(Operator::Over)
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{
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}
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SvgFeCompositeNode::~SvgFeCompositeNode() {}
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void SvgFeCompositeNode::parseAttribute(SVGToken aSVGToken, const OUString& aContent)
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{
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// parse own
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switch (aSVGToken)
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{
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case SVGToken::Style:
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{
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readLocalCssStyle(aContent);
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break;
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}
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case SVGToken::In:
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{
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maIn = aContent.trim();
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break;
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}
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case SVGToken::In2:
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{
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maIn2 = aContent.trim();
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break;
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}
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case SVGToken::Result:
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{
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maResult = aContent.trim();
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break;
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}
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case SVGToken::Operator:
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{
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if (!aContent.isEmpty())
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{
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if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"over"))
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{
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maOperator = Operator::Over;
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}
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else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"in"))
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{
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maOperator = Operator::In;
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}
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else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"out"))
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{
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maOperator = Operator::Out;
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}
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else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"xor"))
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{
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maOperator = Operator::Xor;
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}
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else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"atop"))
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{
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maOperator = Operator::Atop;
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}
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else if (o3tl::equalsIgnoreAsciiCase(o3tl::trim(aContent), u"arithmetic"))
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{
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maOperator = Operator::Arithmetic;
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}
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}
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break;
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}
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case SVGToken::K1:
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{
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SvgNumber aNum;
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if (readSingleNumber(aContent, aNum))
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{
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maK1 = aNum;
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}
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break;
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}
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case SVGToken::K2:
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{
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SvgNumber aNum;
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if (readSingleNumber(aContent, aNum))
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{
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maK2 = aNum;
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}
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break;
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}
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case SVGToken::K3:
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{
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SvgNumber aNum;
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if (readSingleNumber(aContent, aNum))
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{
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maK3 = aNum;
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}
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break;
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}
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case SVGToken::K4:
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{
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SvgNumber aNum;
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if (readSingleNumber(aContent, aNum))
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{
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maK4 = aNum;
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}
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break;
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}
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default:
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{
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break;
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}
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}
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}
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void SvgFeCompositeNode::apply(drawinglayer::primitive2d::Primitive2DContainer& rTarget,
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const SvgFilterNode* pParent) const
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{
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const drawinglayer::primitive2d::Primitive2DContainer* pSource
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= pParent->findGraphicSource(maIn);
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const drawinglayer::primitive2d::Primitive2DContainer* pSource2
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= pParent->findGraphicSource(maIn2);
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if (maOperator != Operator::Arithmetic)
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{
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basegfx::B2DPolyPolygon aPolyPolygon, aPolyPolygon2;
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// Process maIn2 first
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if (pSource2)
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{
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rTarget.append(*pSource2);
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drawinglayer::processor2d::ContourExtractor2D aExtractor(
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drawinglayer::geometry::ViewInformation2D(), true);
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aExtractor.process(*pSource2);
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const basegfx::B2DPolyPolygonVector& rResult(aExtractor.getExtractedContour());
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aPolyPolygon2 = basegfx::utils::mergeToSinglePolyPolygon(rResult);
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}
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if (pSource)
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{
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rTarget.append(*pSource);
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drawinglayer::processor2d::ContourExtractor2D aExtractor(
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drawinglayer::geometry::ViewInformation2D(), true);
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aExtractor.process(*pSource);
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const basegfx::B2DPolyPolygonVector& rResult(aExtractor.getExtractedContour());
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aPolyPolygon = basegfx::utils::mergeToSinglePolyPolygon(rResult);
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}
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basegfx::B2DPolyPolygon aResult;
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if (maOperator == Operator::Over)
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{
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aResult = basegfx::utils::solvePolygonOperationOr(aPolyPolygon, aPolyPolygon2);
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}
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else if (maOperator == Operator::Out)
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{
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aResult = basegfx::utils::solvePolygonOperationDiff(aPolyPolygon, aPolyPolygon2);
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}
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else if (maOperator == Operator::In)
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{
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aResult = basegfx::utils::solvePolygonOperationAnd(aPolyPolygon, aPolyPolygon2);
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}
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else if (maOperator == Operator::Xor)
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{
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aResult = basegfx::utils::solvePolygonOperationXor(aPolyPolygon, aPolyPolygon2);
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}
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else if (maOperator == Operator::Atop)
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{
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// Atop is the union of In and Out.
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// The parts of in2 graphic that do not overlap with the in graphic stay untouched.
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aResult = basegfx::utils::solvePolygonOperationDiff(aPolyPolygon2, aPolyPolygon);
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aResult.append(basegfx::utils::solvePolygonOperationAnd(aPolyPolygon, aPolyPolygon2));
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}
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rTarget = drawinglayer::primitive2d::Primitive2DContainer{
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new drawinglayer::primitive2d::MaskPrimitive2D(std::move(aResult), std::move(rTarget))
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};
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pParent->addGraphicSourceToMapper(maResult, rTarget);
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}
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else
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{
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basegfx::B2DRange aRange, aRange2;
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const drawinglayer::geometry::ViewInformation2D aViewInformation2D;
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if (pSource)
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{
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aRange = pSource->getB2DRange(aViewInformation2D);
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}
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if (pSource2)
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{
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aRange2 = pSource2->getB2DRange(aViewInformation2D);
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}
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const basegfx::B2DRange aBaseRange(0, 0, std::max(aRange.getMaxX(), aRange2.getMaxX()),
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std::max(aRange.getMaxY(), aRange2.getMaxY()));
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BitmapEx aBmpEx, aBmpEx2;
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if (pSource)
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{
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drawinglayer::primitive2d::Primitive2DContainer aSource(*pSource);
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aBmpEx = drawinglayer::convertToBitmapEx(
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std::move(aSource), aViewInformation2D, aBaseRange.getWidth(),
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aBaseRange.getHeight(), aBaseRange.getWidth() * aBaseRange.getHeight());
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}
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else
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{
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aBmpEx = drawinglayer::convertToBitmapEx(
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std::move(rTarget), aViewInformation2D, aBaseRange.getWidth(),
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aBaseRange.getHeight(), aBaseRange.getWidth() * aBaseRange.getHeight());
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}
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if (pSource2)
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{
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drawinglayer::primitive2d::Primitive2DContainer aSource(*pSource2);
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aBmpEx2 = drawinglayer::convertToBitmapEx(
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std::move(aSource), aViewInformation2D, aBaseRange.getWidth(),
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aBaseRange.getHeight(), aBaseRange.getWidth() * aBaseRange.getHeight());
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}
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else
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{
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aBmpEx2 = drawinglayer::convertToBitmapEx(
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std::move(rTarget), aViewInformation2D, aBaseRange.getWidth(),
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aBaseRange.getHeight(), aBaseRange.getWidth() * aBaseRange.getHeight());
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}
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BitmapArithmeticBlendFilter aArithmeticFilter(aBmpEx2, maK1.getNumber(), maK2.getNumber(),
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maK3.getNumber(), maK4.getNumber());
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BitmapEx aResBmpEx = aArithmeticFilter.execute(aBmpEx);
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const drawinglayer::primitive2d::Primitive2DReference xRef(
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new drawinglayer::primitive2d::BitmapPrimitive2D(
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aResBmpEx, basegfx::utils::createScaleTranslateB2DHomMatrix(
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aBaseRange.getRange(), aBaseRange.getMinimum())));
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rTarget = drawinglayer::primitive2d::Primitive2DContainer{ xRef };
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}
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}
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} // end of namespace svgio::svgreader
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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