236 lines
10 KiB
C++
236 lines
10 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/textaspolygonextractor2d.hxx>
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#include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
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#include <drawinglayer/primitive2d/polypolygonprimitive2d.hxx>
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#include <drawinglayer/primitive2d/polygonprimitive2d.hxx>
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#include <drawinglayer/primitive2d/modifiedcolorprimitive2d.hxx>
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#include <drawinglayer/primitive2d/transformprimitive2d.hxx>
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//////////////////////////////////////////////////////////////////////////////
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namespace drawinglayer
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{
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namespace processor2d
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{
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void TextAsPolygonExtractor2D::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_TEXTDECORATEDPORTIONPRIMITIVE2D :
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{
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// TextDecoratedPortionPrimitive2D can produce the following primitives
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// when being decomposed:
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//
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// - TextSimplePortionPrimitive2D
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// - PolygonWavePrimitive2D
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// - PolygonStrokePrimitive2D
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// - PolygonStrokePrimitive2D
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// - PolyPolygonColorPrimitive2D
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// - PolyPolygonHairlinePrimitive2D
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// - PolygonHairlinePrimitive2D
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// - ShadowPrimitive2D
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// - ModifiedColorPrimitive2D
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// - TransformPrimitive2D
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// - TextEffectPrimitive2D
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// - ModifiedColorPrimitive2D
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// - TransformPrimitive2D
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// - GroupPrimitive2D
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// encapsulate with flag and use decomposition
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mnInText++;
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process(rCandidate.get2DDecomposition(getViewInformation2D()));
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mnInText--;
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break;
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}
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case PRIMITIVE2D_ID_TEXTSIMPLEPORTIONPRIMITIVE2D :
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{
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// TextSimplePortionPrimitive2D can produce the following primitives
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// when being decomposed:
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//
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// - PolyPolygonColorPrimitive2D
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// - TextEffectPrimitive2D
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// - ModifiedColorPrimitive2D
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// - TransformPrimitive2D
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// - GroupPrimitive2D
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// encapsulate with flag and use decomposition
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mnInText++;
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process(rCandidate.get2DDecomposition(getViewInformation2D()));
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mnInText--;
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break;
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}
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// as can be seen from the TextSimplePortionPrimitive2D and the
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// TextDecoratedPortionPrimitive2D, inside of the mnInText marks
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// the following primitives can occur containing geometry data
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// from text decomposition:
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//
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// - PolyPolygonColorPrimitive2D
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// - PolygonHairlinePrimitive2D
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// - PolyPolygonHairlinePrimitive2D (for convenience)
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//
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case PRIMITIVE2D_ID_POLYPOLYGONCOLORPRIMITIVE2D :
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{
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if(mnInText)
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{
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const primitive2d::PolyPolygonColorPrimitive2D& rPoPoCoCandidate(static_cast< const primitive2d::PolyPolygonColorPrimitive2D& >(rCandidate));
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basegfx::B2DPolyPolygon aPolyPolygon(rPoPoCoCandidate.getB2DPolyPolygon());
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if(aPolyPolygon.count())
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{
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// transform the PolyPolygon
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aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
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// get evtl. corrected color
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const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoCoCandidate.getBColor()));
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// add to result vector
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maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, true));
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}
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}
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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(mnInText)
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{
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const primitive2d::PolygonHairlinePrimitive2D& rPoHaCandidate(static_cast< const primitive2d::PolygonHairlinePrimitive2D& >(rCandidate));
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basegfx::B2DPolygon aPolygon(rPoHaCandidate.getB2DPolygon());
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if(aPolygon.count())
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{
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// transform the Polygon
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aPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
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// get evtl. corrected color
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const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoHaCandidate.getBColor()));
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// add to result vector
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maTarget.push_back(TextAsPolygonDataNode(basegfx::B2DPolyPolygon(aPolygon), aColor, false));
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}
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}
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break;
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}
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case PRIMITIVE2D_ID_POLYPOLYGONHAIRLINEPRIMITIVE2D :
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{
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if(mnInText)
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{
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const primitive2d::PolyPolygonHairlinePrimitive2D& rPoPoHaCandidate(static_cast< const primitive2d::PolyPolygonHairlinePrimitive2D& >(rCandidate));
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basegfx::B2DPolyPolygon aPolyPolygon(rPoPoHaCandidate.getB2DPolyPolygon());
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if(aPolyPolygon.count())
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{
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// transform the Polygon
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aPolyPolygon.transform(getViewInformation2D().getObjectToViewTransformation());
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// get evtl. corrected color
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const basegfx::BColor aColor(maBColorModifierStack.getModifiedColor(rPoPoHaCandidate.getBColor()));
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// add to result vector
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maTarget.push_back(TextAsPolygonDataNode(aPolyPolygon, aColor, false));
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}
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}
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break;
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}
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// usage of color modification stack is needed
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case PRIMITIVE2D_ID_MODIFIEDCOLORPRIMITIVE2D :
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{
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const primitive2d::ModifiedColorPrimitive2D& rModifiedColorCandidate(static_cast< const primitive2d::ModifiedColorPrimitive2D& >(rCandidate));
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if(rModifiedColorCandidate.getChildren().hasElements())
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{
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maBColorModifierStack.push(rModifiedColorCandidate.getColorModifier());
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process(rModifiedColorCandidate.getChildren());
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maBColorModifierStack.pop();
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}
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break;
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}
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// usage of transformation stack is needed
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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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const geometry::ViewInformation2D aViewInformation2D(
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getViewInformation2D().getObjectTransformation() * rTransformCandidate.getTransformation(),
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getViewInformation2D().getViewTransformation(),
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getViewInformation2D().getViewport(),
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getViewInformation2D().getVisualizedPage(),
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getViewInformation2D().getViewTime(),
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getViewInformation2D().getExtendedInformationSequence());
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updateViewInformation(aViewInformation2D);
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// proccess 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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// ignorable primitives
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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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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.get2DDecomposition(getViewInformation2D()));
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break;
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}
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}
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}
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TextAsPolygonExtractor2D::TextAsPolygonExtractor2D(const geometry::ViewInformation2D& rViewInformation)
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: BaseProcessor2D(rViewInformation),
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maTarget(),
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maBColorModifierStack(),
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mnInText(0)
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{
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}
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TextAsPolygonExtractor2D::~TextAsPolygonExtractor2D()
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{
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}
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} // end of namespace processor2d
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} // end of namespace drawinglayer
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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