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+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * 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 .
+ */
+
+#ifndef INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFENTRD_HXX
+#define INCLUDED_FILTER_SOURCE_GRAPHICFILTER_IDXF_DXFENTRD_HXX
+
+#include "dxfgrprd.hxx"
+#include "dxfvec.hxx"
+#include <tools/long.hxx>
+
+#include <memory>
+#include <vector>
+
+enum DXFEntityType {
+ DXF_LINE,
+ DXF_POINT,
+ DXF_CIRCLE,
+ DXF_ARC,
+ DXF_TRACE,
+ DXF_SOLID,
+ DXF_TEXT,
+ DXF_SHAPE,
+ DXF_INSERT,
+ DXF_ATTDEF,
+ DXF_ATTRIB,
+ DXF_POLYLINE,
+ DXF_VERTEX,
+ DXF_SEQEND,
+ DXF_3DFACE,
+ DXF_DIMENSION,
+ DXF_LWPOLYLINE,
+ DXF_HATCH
+};
+
+// base class of an entity
+
+class DXFBasicEntity {
+
+public:
+
+ DXFBasicEntity * pSucc;
+ // pointer to next entity (in the list of DXFEntities.pFirst)
+
+ DXFEntityType eType;
+ // entity kind (line or circle or what)
+
+ // properties that all entities have, each
+ // commented with group codes:
+ OString m_sLayer; // 8
+ OString m_sLineType; // 6
+ double fThickness; // 39
+ tools::Long nColor; // 62
+ tools::Long nSpace; // 67
+ DXFVector aExtrusion; // 210,220,230
+
+protected:
+
+ DXFBasicEntity(DXFEntityType eThisType);
+ // always initialize the constructors of entities with default values
+
+public:
+
+ virtual ~DXFBasicEntity();
+ void Read(DXFGroupReader & rDGR);
+ // Reads a parameter till the next 0-group
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR);
+ // This method will be called by Read() for every parameter (respectively
+ // for every group).
+ // As far as the group code of the entity is known, the corresponding
+ // parameter is fetched.
+
+};
+
+
+// the different kinds of entities
+
+class DXFLineEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ DXFVector aP1; // 11,21,31
+
+ DXFLineEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFPointEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+
+ DXFPointEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFCircleEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ double fRadius; // 40
+
+ DXFCircleEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFArcEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ double fRadius; // 40
+ double fStart; // 50
+ double fEnd; // 51
+
+ DXFArcEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFTraceEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ DXFVector aP1; // 11,21,31
+ DXFVector aP2; // 12,22,32
+ DXFVector aP3; // 13,23,33
+
+ DXFTraceEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFSolidEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ DXFVector aP1; // 11,21,31
+ DXFVector aP2; // 12,22,32
+ DXFVector aP3; // 13,23,33
+
+ DXFSolidEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFTextEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ double fHeight; // 40
+ OString m_sText; // 1
+ double fRotAngle; // 50
+ double fXScale; // 41
+ double fOblAngle; // 42
+ OString m_sStyle; // 7
+ tools::Long nGenFlags; // 71
+ tools::Long nHorzJust; // 72
+ tools::Long nVertJust; // 73
+ DXFVector aAlign; // 11,21,31
+
+ DXFTextEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFShapeEntity : public DXFBasicEntity {
+
+ DXFVector aP0; // 10,20,30
+ double fSize; // 40
+ OString m_sName; // 2
+ double fRotAngle; // 50
+ double fXScale; // 41
+ double fOblAngle; // 51
+
+public:
+
+ DXFShapeEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFInsertEntity : public DXFBasicEntity {
+
+public:
+
+ tools::Long nAttrFlag; // 66
+ OString m_sName; // 2
+ DXFVector aP0; // 10,20,30
+ double fXScale; // 41
+ double fYScale; // 42
+ double fZScale; // 43
+ double fRotAngle; // 50
+ tools::Long nColCount; // 70
+ tools::Long nRowCount; // 71
+ double fColSpace; // 44
+ double fRowSpace; // 45
+
+ DXFInsertEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFAttDefEntity : public DXFBasicEntity {
+
+ DXFVector aP0; // 10,20,30
+ double fHeight; // 40
+ OString m_sDefVal; // 1
+ OString m_sPrompt; // 3
+ OString m_sTagStr; // 2
+ tools::Long nAttrFlags; // 70
+ tools::Long nFieldLen; // 73
+ double fRotAngle; // 50
+ double fXScale; // 41
+ double fOblAngle; // 51
+ OString m_sStyle; // 7
+ tools::Long nGenFlags; // 71
+ tools::Long nHorzJust; // 72
+ tools::Long nVertJust; // 74
+ DXFVector aAlign; // 11,21,31
+
+public:
+
+ DXFAttDefEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFAttribEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ double fHeight; // 40
+ OString m_sText; // 1
+ OString m_sTagStr; // 2
+ tools::Long nAttrFlags; // 70
+ tools::Long nFieldLen; // 73
+ double fRotAngle; // 50
+ double fXScale; // 41
+ double fOblAngle; // 51
+ OString m_sStyle; // 7
+ tools::Long nGenFlags; // 71
+ tools::Long nHorzJust; // 72
+ tools::Long nVertJust; // 74
+ DXFVector aAlign; // 11,21,31
+
+ DXFAttribEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFPolyLineEntity : public DXFBasicEntity {
+
+public:
+
+ tools::Long nFlags; // 70
+ double fSWidth; // 40
+ double fEWidth; // 41
+ tools::Long nMeshMCount; // 71
+ tools::Long nMeshNCount; // 72
+ tools::Long nMDensity; // 73
+ tools::Long nNDensity; // 74
+ tools::Long nCSSType; // 75
+
+ DXFPolyLineEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFLWPolyLineEntity : public DXFBasicEntity
+{
+ sal_Int32 nIndex;
+ sal_Int32 nCount; // 90
+
+ public:
+
+ sal_Int32 nFlags; // 70 1 = closed, 128 = plinegen
+ double fConstantWidth; // 43 (optional - default: 0, not used if fStartWidth and/or fEndWidth is used)
+ double fStartWidth; // 40
+ double fEndWidth; // 41
+
+ std::vector<DXFVector> aP;
+
+ DXFLWPolyLineEntity();
+
+ protected:
+
+ virtual void EvaluateGroup( DXFGroupReader & rDGR ) override;
+
+};
+
+struct DXFEdgeType
+{
+ sal_Int32 nEdgeType;
+
+ virtual ~DXFEdgeType(){};
+ virtual bool EvaluateGroup( DXFGroupReader & /*rDGR*/ ){ return true; };
+
+ protected:
+
+ DXFEdgeType( sal_Int32 EdgeType ):nEdgeType(EdgeType){};
+};
+
+struct DXFEdgeTypeLine : public DXFEdgeType
+{
+ DXFVector aStartPoint; // 10,20
+ DXFVector aEndPoint; // 11,21
+ DXFEdgeTypeLine();
+ virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
+};
+
+struct DXFEdgeTypeCircularArc : public DXFEdgeType
+{
+ DXFVector aCenter; // 10,20
+ double fRadius; // 40
+ double fStartAngle; // 50
+ double fEndAngle; // 51
+ sal_Int32 nIsCounterClockwiseFlag; // 73
+ DXFEdgeTypeCircularArc();
+ virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
+};
+
+struct DXFEdgeTypeEllipticalArc : public DXFEdgeType
+{
+ DXFVector aCenter; // 10,20
+ DXFVector aEndPoint; // 11,21
+ double fLength; // 40
+ double fStartAngle; // 50
+ double fEndAngle; // 51
+ sal_Int32 nIsCounterClockwiseFlag; // 73
+
+ DXFEdgeTypeEllipticalArc();
+ virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
+};
+
+struct DXFEdgeTypeSpline : public DXFEdgeType
+{
+ sal_Int32 nDegree; // 94
+ sal_Int32 nRational; // 73
+ sal_Int32 nPeriodic; // 74
+ sal_Int32 nKnotCount; // 75
+ sal_Int32 nControlCount; // 76
+
+ DXFEdgeTypeSpline();
+ virtual bool EvaluateGroup( DXFGroupReader & rDGR ) override;
+};
+
+struct DXFBoundaryPathData
+{
+private:
+ sal_Int32 nPointCount; // 93
+public:
+ sal_Int32 nFlags; // 92
+ sal_Int32 nHasBulgeFlag; // 72
+ sal_Int32 nIsClosedFlag; // 73
+ double fBulge; // 42
+ sal_Int32 nSourceBoundaryObjects; // 97
+ sal_Int32 nEdgeCount; // 93
+
+ bool bIsPolyLine;
+ sal_Int32 nPointIndex;
+
+ std::vector<DXFVector> aP;
+ std::vector<std::unique_ptr<DXFEdgeType>> aEdges;
+
+ DXFBoundaryPathData();
+
+ bool EvaluateGroup( DXFGroupReader & rDGR );
+};
+
+class DXFHatchEntity : public DXFBasicEntity
+{
+ bool bIsInBoundaryPathContext;
+ sal_Int32 nCurrentBoundaryPathIndex;
+
+ public:
+
+ sal_Int32 nFlags; // 70 (solid fill = 1, pattern fill = 0)
+ sal_Int32 nAssociativityFlag; // 71 (associative = 1, non-associative = 0)
+ sal_Int32 nMaxBoundaryPathCount; // 91
+ sal_Int32 nHatchStyle; // 75 (odd parity = 0, outmost area = 1, entire area = 2 )
+ sal_Int32 nHatchPatternType; // 76 (user defined = 0, predefined = 1, custom = 2)
+ double fHatchPatternAngle; // 52 (pattern fill only)
+ double fHatchPatternScale; // 41 (pattern fill only:scale or spacing)
+ sal_Int32 nHatchDoubleFlag; // 77 (pattern fill only:double = 1, not double = 0)
+ sal_Int32 nHatchPatternDefinitionLines; // 78
+ double fPixelSize; // 47
+ sal_Int32 nNumberOfSeedPoints; // 98
+
+ std::vector<DXFBoundaryPathData> aBoundaryPathData;
+
+ DXFHatchEntity();
+
+ protected:
+
+ virtual void EvaluateGroup( DXFGroupReader & rDGR ) override;
+};
+
+class DXFVertexEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ double fSWidth; // 40 (if <0.0, then one has DXFPolyLine::fSWidth)
+ double fEWidth; // 41 (if <0.0, then one has DXFPolyLine::fEWidth)
+ double fBulge; // 42
+ tools::Long nFlags; // 70
+ double fCFTDir; // 50
+
+ DXFVertexEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFSeqEndEntity : public DXFBasicEntity {
+
+public:
+
+ DXFSeqEndEntity();
+};
+
+class DXF3DFaceEntity : public DXFBasicEntity {
+
+public:
+
+ DXFVector aP0; // 10,20,30
+ DXFVector aP1; // 11,21,31
+ DXFVector aP2; // 12,22,32
+ DXFVector aP3; // 13,23,33
+ tools::Long nIEFlags; // 70
+
+ DXF3DFaceEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+class DXFDimensionEntity : public DXFBasicEntity {
+
+public:
+
+ OString m_sPseudoBlock; // 2
+
+ DXFDimensionEntity();
+
+protected:
+
+ virtual void EvaluateGroup(DXFGroupReader & rDGR) override;
+};
+
+
+// read and represent the set of entities
+class DXFEntities {
+
+public:
+
+ DXFEntities()
+ : pFirst(nullptr)
+ , mbBeingDrawn(false)
+ {
+ }
+
+ ~DXFEntities()
+ {
+ Clear();
+ }
+
+ DXFBasicEntity * pFirst; // list of entities, READ ONLY!
+ mutable bool mbBeingDrawn; // guard for loop in entity parsing
+
+ void Read(DXFGroupReader & rDGR);
+ // read entities by rGDR of a DXF file until a
+ // ENDBLK, ENDSEC or EOF (of group 0).
+ // (all unknown thing will be skipped)
+
+ void Clear();
+ // deletes all entities
+};
+
+#endif
+
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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