118 lines
5.4 KiB
C++
118 lines
5.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/*
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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 <drawinglayer/processor2d/linegeometryextractor2d.hxx>
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#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
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#include <drawinglayer/primitive2d/PolygonHairlinePrimitive2D.hxx>
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#include <drawinglayer/primitive2d/PolyPolygonColorPrimitive2D.hxx>
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#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
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namespace drawinglayer::processor2d
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{
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LineGeometryExtractor2D::LineGeometryExtractor2D(const geometry::ViewInformation2D& rViewInformation)
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: BaseProcessor2D(rViewInformation),
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mbInLineGeometry(false)
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{
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}
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LineGeometryExtractor2D::~LineGeometryExtractor2D()
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{
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}
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void LineGeometryExtractor2D::processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate)
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{
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switch(rCandidate.getPrimitive2DID())
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{
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case PRIMITIVE2D_ID_POLYGONSTROKEPRIMITIVE2D :
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case PRIMITIVE2D_ID_POLYGONSTROKEARROWPRIMITIVE2D :
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{
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// enter a line geometry group (with or without LineEnds)
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bool bOldState(mbInLineGeometry);
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mbInLineGeometry = true;
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process(rCandidate);
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mbInLineGeometry = bOldState;
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break;
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}
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case PRIMITIVE2D_ID_POLYGONHAIRLINEPRIMITIVE2D :
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{
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if(mbInLineGeometry)
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{
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// extract hairline line geometry in world coordinates
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const primitive2d::PolygonHairlinePrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
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basegfx::B2DPolygon aLocalPolygon(rPolygonCandidate.getB2DPolygon());
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aLocalPolygon.transform(getViewInformation2D().getObjectTransformation());
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maExtractedHairlines.push_back(aLocalPolygon);
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}
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break;
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}
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case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
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{
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if(mbInLineGeometry)
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{
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// extract filled line geometry (line with width)
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const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
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basegfx::B2DPolyPolygon aLocalPolyPolygon(rPolygonCandidate.getB2DPolyPolygon());
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aLocalPolyPolygon.transform(getViewInformation2D().getObjectTransformation());
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maExtractedLineFills.push_back(aLocalPolyPolygon);
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}
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break;
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}
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case PRIMITIVE2D_ID_TRANSFORMPRIMITIVE2D :
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{
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// remember current transformation and ViewInformation
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const primitive2d::TransformPrimitive2D& rTransformCandidate(static_cast< const primitive2d::TransformPrimitive2D& >(rCandidate));
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const geometry::ViewInformation2D aLastViewInformation2D(getViewInformation2D());
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// create new transformations for CurrentTransformation and for local ViewInformation2D
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geometry::ViewInformation2D aViewInformation2D(getViewInformation2D());
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aViewInformation2D.setObjectTransformation(getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation());
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updateViewInformation(aViewInformation2D);
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// process content
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process(rTransformCandidate.getChildren());
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// restore transformations
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updateViewInformation(aLastViewInformation2D);
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break;
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}
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case PRIMITIVE2D_ID_SCENEPRIMITIVE2D :
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case PRIMITIVE2D_ID_WRONGSPELLPRIMITIVE2D :
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case PRIMITIVE2D_ID_MARKERARRAYPRIMITIVE2D :
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case PRIMITIVE2D_ID_POINTARRAYPRIMITIVE2D :
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case PRIMITIVE2D_ID_BITMAPPRIMITIVE2D :
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case PRIMITIVE2D_ID_METAFILEPRIMITIVE2D :
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case PRIMITIVE2D_ID_MASKPRIMITIVE2D :
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{
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// ignorable primitives
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break;
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}
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default :
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{
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// process recursively
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process(rCandidate);
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break;
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}
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}
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}
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} // end of namespace
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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