207 lines
8.5 KiB
C++
207 lines
8.5 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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#pragma once
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#include <stack>
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#include "vclprocessor2d.hxx"
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#include <com/sun/star/i18n/XBreakIterator.hpp>
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#include <basegfx/polygon/b2dpolypolygon.hxx>
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#include <vcl/pdfextoutdevdata.hxx> // vcl::PDFExtOutDevData support
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#include <tools/lazydelete.hxx>
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class GDIMetaFile;
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namespace tools
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{
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class Rectangle;
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}
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class Gradient;
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class SvtGraphicFill;
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class SvtGraphicStroke;
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namespace drawinglayer::attribute
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{
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class FillGradientAttribute;
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class LineAttribute;
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class StrokeAttribute;
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class LineStartEndAttribute;
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}
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namespace drawinglayer::primitive2d
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{
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class GraphicPrimitive2D;
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class ControlPrimitive2D;
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class TextHierarchyFieldPrimitive2D;
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class TextHierarchyLinePrimitive2D;
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class TextHierarchyBulletPrimitive2D;
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class TextHierarchyParagraphPrimitive2D;
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class TextHierarchyBlockPrimitive2D;
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class TextSimplePortionPrimitive2D;
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class PolygonHairlinePrimitive2D;
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class PolygonStrokePrimitive2D;
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class PolygonStrokeArrowPrimitive2D;
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class PolyPolygonGraphicPrimitive2D;
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class PolyPolygonHatchPrimitive2D;
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class PolyPolygonGradientPrimitive2D;
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class PolyPolygonColorPrimitive2D;
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class MaskPrimitive2D;
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class UnifiedTransparencePrimitive2D;
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class TransparencePrimitive2D;
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class ObjectInfoPrimitive2D;
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class StructureTagPrimitive2D;
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}
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namespace basegfx
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{
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class BColor;
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}
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namespace drawinglayer::processor2d
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{
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/** VclMetafileProcessor2D class
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This processor derived from VclProcessor2D is the base class for rendering
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all fed primitives to a classical VCL-Metafile, including all over the
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time grown extra data in comments and PDF exception data creations. Also
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printing needs some exception stuff.
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All in all it is needed to emulate the old ::paint output from the old
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Drawinglayer as long as exporters and/or filters still use the Metafile
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and the extra-data added to it (which can be seen mostly as 'extensions'
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or simply as 'hacks').
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*/
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class VclMetafileProcessor2D : public VclProcessor2D
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{
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private:
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tools::Rectangle impDumpToMetaFile(const primitive2d::Primitive2DContainer& rContent,
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GDIMetaFile& o_rContentMetafile);
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void
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impConvertFillGradientAttributeToVCLGradient(Gradient& o_rVCLGradient,
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const attribute::FillGradientAttribute& rFiGrAtt,
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bool bIsTransparenceGradient) const;
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void impStartSvtGraphicFill(SvtGraphicFill const* pSvtGraphicFill);
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void impEndSvtGraphicFill(SvtGraphicFill const* pSvtGraphicFill);
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std::unique_ptr<SvtGraphicStroke>
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impTryToCreateSvtGraphicStroke(const basegfx::B2DPolygon& rB2DPolygon,
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const basegfx::BColor* pColor,
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const attribute::LineAttribute* pLineAttribute,
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const attribute::StrokeAttribute* pStrokeAttribute,
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const attribute::LineStartEndAttribute* pStart,
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const attribute::LineStartEndAttribute* pEnd);
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void impStartSvtGraphicStroke(SvtGraphicStroke const* pSvtGraphicStroke);
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void impEndSvtGraphicStroke(SvtGraphicStroke const* pSvtGraphicStroke);
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void popStructureElement(vcl::PDFWriter::StructElement eElem);
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void popListItem();
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void popList();
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void processGraphicPrimitive2D(const primitive2d::GraphicPrimitive2D& rGraphicPrimitive);
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void processControlPrimitive2D(const primitive2d::ControlPrimitive2D& rControlPrimitive);
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void processTextHierarchyFieldPrimitive2D(
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const primitive2d::TextHierarchyFieldPrimitive2D& rFieldPrimitive);
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void processTextHierarchyLinePrimitive2D(
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const primitive2d::TextHierarchyLinePrimitive2D& rLinePrimitive);
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void processTextHierarchyBulletPrimitive2D(
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const primitive2d::TextHierarchyBulletPrimitive2D& rBulletPrimitive);
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void processTextHierarchyParagraphPrimitive2D(
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const primitive2d::TextHierarchyParagraphPrimitive2D& rParagraphPrimitive);
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void processTextHierarchyBlockPrimitive2D(
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const primitive2d::TextHierarchyBlockPrimitive2D& rBlockPrimitive);
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void processTextSimplePortionPrimitive2D(
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const primitive2d::TextSimplePortionPrimitive2D& rTextCandidate);
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void processPolygonHairlinePrimitive2D(
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const primitive2d::PolygonHairlinePrimitive2D& rHairlinePrimitive);
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void
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processPolygonStrokePrimitive2D(const primitive2d::PolygonStrokePrimitive2D& rStrokePrimitive);
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void processPolygonStrokeArrowPrimitive2D(
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const primitive2d::PolygonStrokeArrowPrimitive2D& rStrokeArrowPrimitive);
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void processPolyPolygonGraphicPrimitive2D(
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const primitive2d::PolyPolygonGraphicPrimitive2D& rBitmapCandidate);
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void processPolyPolygonHatchPrimitive2D(
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const primitive2d::PolyPolygonHatchPrimitive2D& rHatchCandidate);
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void processPolyPolygonGradientPrimitive2D(
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const primitive2d::PolyPolygonGradientPrimitive2D& rGradientCandidate);
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void processPolyPolygonColorPrimitive2D(
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const primitive2d::PolyPolygonColorPrimitive2D& rPolygonCandidate);
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void processMaskPrimitive2D(const primitive2d::MaskPrimitive2D& rMaskCandidate);
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void processUnifiedTransparencePrimitive2D(
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const primitive2d::UnifiedTransparencePrimitive2D& rUniTransparenceCandidate);
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void processTransparencePrimitive2D(
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const primitive2d::TransparencePrimitive2D& rTransparenceCandidate);
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void
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processObjectInfoPrimitive2D(const primitive2d::ObjectInfoPrimitive2D& rObjectInfoPrimitive2D);
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void processStructureTagPrimitive2D(
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const primitive2d::StructureTagPrimitive2D& rStructureTagCandidate);
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/// Convert the fWidth to the same space as its coordinates.
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double getTransformedLineWidth(double fWidth) const;
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/// the current clipping tools::PolyPolygon from MaskPrimitive2D
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basegfx::B2DPolyPolygon maClipPolyPolygon;
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/// the target MetaFile
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GDIMetaFile* mpMetaFile;
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/* do not allow embedding SvtGraphicFills into each other,
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use a counter to prevent that
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*/
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sal_uInt32 mnSvtGraphicFillCount;
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/// same for SvtGraphicStroke
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sal_uInt32 mnSvtGraphicStrokeCount;
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/* hold the last unified transparence value to have it handy
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on SvtGraphicStroke creation
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*/
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double mfCurrentUnifiedTransparence;
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/* vcl::PDFExtOutDevData support
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For the first step, some extra actions at vcl::PDFExtOutDevData need to
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be emulated with the VclMetafileProcessor2D. These are potentially temporarily
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since PDF export may use PrimitiveSequences one day directly.
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*/
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vcl::PDFExtOutDevData* mpPDFExtOutDevData;
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// Remember the current OutlineLevel. This is used when tagged PDF export
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// is used to create/write valid structured list entries using PDF statements
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// like '/L', '/LI', 'LBody' instead of simple '/P' (Paragraph).
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// The value -1 means 'no OutlineLevel' and values >= 0 express the level.
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sal_Int16 mnCurrentOutlineLevel;
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bool mbInListItem;
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bool mbBulletPresent;
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std::stack<vcl::PDFWriter::StructElement> maListElements;
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primitive2d::StructureTagPrimitive2D const* mpCurrentStructureTag = nullptr;
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protected:
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/* the local processor for BasePrimitive2D-Implementation based primitives,
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called from the common process()-implementation
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*/
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virtual void processBasePrimitive2D(const primitive2d::BasePrimitive2D& rCandidate) override;
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public:
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/// constructor/destructor
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VclMetafileProcessor2D(const geometry::ViewInformation2D& rViewInformation,
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OutputDevice& rOutDev);
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virtual ~VclMetafileProcessor2D() override;
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};
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} // end of namespace processor2d::drawinglayer
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/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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