valentina/src/libs/vdxf/libdxfrw/drw_entities.h

/******************************************************************************
**  libDXFrw - Library to read/write DXF files (ascii & binary)              **
**                                                                           **
**  Copyright (C) 2011-2015 José F. Soriano, rallazz@gmail.com               **
**                                                                           **
**  This library is free software, licensed under the terms of the GNU       **
**  General Public License as published by the Free Software Foundation,     **
**  either version 2 of the License, or (at your option) any later version.  **
**  You should have received a copy of the GNU General Public License        **
**  along with this program.  If not, see <http://www.gnu.org/licenses/>.    **
******************************************************************************/

#ifndef DRW_ENTITIES_H
#define DRW_ENTITIES_H


#include <string>
#include <vector>
#include <list>
#include <QtGlobal>
#include "drw_base.h"

class dxfReader;
class DRW_Polyline;

namespace DRW {

   //! Entity's type.
    enum ETYPE {
        E3DFACE,
//        E3DSOLID, //encripted propietry data
//        ACAD_PROXY_ENTITY,
        ARC,
//        ATTDEF,
//        ATTRIB,
        BLOCK,// and ENDBLK
//        BODY, //encripted propietry data
        CIRCLE,
        DIMENSION,
        DIMALIGNED,
        DIMLINEAR,
        DIMRADIAL,
        DIMDIAMETRIC,
        DIMANGULAR,
        DIMANGULAR3P,
        DIMORDINATE,
        ELLIPSE,
        HATCH,
//        HELIX,
        IMAGE,
        INSERT,
        LEADER,
//        LIGHT,
        LINE,
        LWPOLYLINE,
//        MESH,
//        MLINE,
//        MLEADERSTYLE,
//        MLEADER,
        MTEXT,
//        OLEFRAME,
//        OLE2FRAME,
        POINT,
        POLYLINE,
        RAY,
//        REGION, //encripted propietry data
//        SECTION,
//        SEQEND,//not needed?? used in polyline and insert/attrib and dwg
//        SHAPE,
        SOLID,
        SPLINE,
//        SUN,
//        SURFACE, //encripted propietry data can be four types
//        TABLE,
        TEXT,
//        TOLERANCE,
        TRACE,
        UNDERLAY,
        VERTEX,
        VIEWPORT,
//        WIPEOUT, //WIPEOUTVARIABLE
        XLINE,
        ASTMNOTCH, // ASTM NOTCH
        UNKNOWN
    };

}
//only in DWG: MINSERT, 5 types of vertex, 4 types of polylines: 2d, 3d, pface & mesh
//shape, dictionary, MLEADER, MLEADERSTYLE

#define SETENTFRIENDS  friend class dxfRW;

//! Base class for entities
/*!
*  Base class for entities
*  @author Rallaz
*/
class DRW_Entity {
    SETENTFRIENDS
public:
    //initializes default values
    DRW_Entity()
        : eType(DRW::UNKNOWN),
          handle(DRW::NoHandle),
          appData(),
          parentHandle(DRW::NoHandle),
          space(DRW::ModelSpace),
          layer("0"),
          lineType("BYLAYER"),
          material(DRW::MaterialByLayer),
          color(DRW::ColorByLayer),
          lWeight(DRW_LW_Conv::widthByLayer),
          ltypeScale(1.0),
          visible(true),
          numProxyGraph(0),
          proxyGraphics(),
          color24(-1),
          colorName(),
          transparency(DRW::Opaque),
          plotStyle(DRW::DefaultPlotStyle),
          shadow(DRW::CastAndReceieveShadows),
          haveExtrusion(false),
          extData(),
          extAxisX(),
          extAxisY(),
          curr(nullptr)
    {}

    DRW_Entity(const DRW_Entity& e)
        : eType(e.eType),
          handle(e.handle),
          appData(),
          parentHandle(e.parentHandle),
          space(e.space),
          layer(e.layer),
          lineType(e.lineType),
          material(e.material),
          color(e.color),
          lWeight(e.lWeight),
          ltypeScale(e.ltypeScale),
          visible(e.visible),
          numProxyGraph(e.numProxyGraph),
          proxyGraphics(),
          color24(e.color24),
          colorName(),
          transparency(e.transparency),
          plotStyle(e.plotStyle),
          shadow(e.shadow),
          haveExtrusion(e.haveExtrusion),
          extData(),
          extAxisX(),
          extAxisY(),
          curr(nullptr/*e.curr*/)
    {
        for (std::vector<DRW_Variant*>::const_iterator it=e.extData.begin(); it!=e.extData.end(); ++it){
            extData.push_back(new DRW_Variant(*(*it)));
        }
    }

    virtual ~DRW_Entity() {
        for (std::vector<DRW_Variant*>::iterator it=extData.begin(); it!=extData.end(); ++it)
            delete *it;

        extData.clear();
    }

    void reset(){
        for (std::vector<DRW_Variant*>::iterator it=extData.begin(); it!=extData.end(); ++it)
            delete *it;
        extData.clear();
    }

    virtual void applyExtrusion() = 0;

    void setWidthMm(double millimeters) {
        if(millimeters < 0.0) {
            lWeight = DRW_LW_Conv::widthByLayer;
            return;
        }
        if(millimeters > 2.11) millimeters = 2.11;
        lWeight = DRW_LW_Conv::dxfInt2lineWidth(int(floor(millimeters * 100.0)));
    }
    
protected:
    //parses dxf pair to read entity
    bool parseCode(int code, dxfReader *reader);
    //calculates extrusion axis (normal vector)
    void calculateAxis(DRW_Coord extPoint);
    //apply extrusion to @extPoint and return data in @point
    void extrudePoint(DRW_Coord extPoint, DRW_Coord *point) const;

    //parses dxf 102 groups to read entity
    bool parseDxfGroups(int code, dxfReader *reader);

public:
    enum DRW::ETYPE eType;     /*!< enum: entity type, code 0 */
    duint32 handle;            /*!< entity identifier, code 5 */
    std::list<std::list<DRW_Variant> > appData; /*!< list of application data, code 102 */
    duint32 parentHandle;      /*!< Soft-pointer ID/handle to owner BLOCK_RECORD object, code 330 */
    DRW::Space space;          /*!< space indicator, code 67*/
    UTF8STRING layer;          /*!< layer name, code 8 */
    UTF8STRING lineType;       /*!< line type, code 6 */
    duint32 material;          /*!< hard pointer id to material object, code 347 */
    int color;                 /*!< entity color, code 62 */
    enum DRW_LW_Conv::lineWidth lWeight; /*!< entity lineweight, code 370 */
    double ltypeScale;         /*!< linetype scale, code 48 */
    bool visible;              /*!< entity visibility, code 60 */
    int numProxyGraph;         /*!< Number of bytes in proxy graphics, code 92 */
    std::string proxyGraphics; /*!< proxy graphics bytes, code 310 */
    int color24;               /*!< 24-bit color, code 420 */
    std::string colorName;     /*!< color name, code 430 */
    int transparency;          /*!< transparency, code 440 */
    int plotStyle;             /*!< hard pointer id to plot style object, code 390 */
    DRW::ShadowMode shadow;    /*!< shadow mode, code 284 */
    bool haveExtrusion;        /*!< set to true if the entity have extrusion*/
    std::vector<DRW_Variant*> extData; /*!< FIFO list of extended data, codes 1000 to 1071*/

private:
    DRW_Entity &operator=(const DRW_Entity &) Q_DECL_EQ_DELETE;
    DRW_Coord extAxisX;
    DRW_Coord extAxisY;
    DRW_Variant* curr;
};


//! Class to handle point entity
/*!
*  Class to handle point entity
*  @author Rallaz
*/
class DRW_Point : public DRW_Entity {
    SETENTFRIENDS
public:
    DRW_Point()
        : basePoint(),
          thickness(0),
          extPoint(DRW_Coord(0, 0, 1))
    {
        eType = DRW::POINT;
    }

    virtual void applyExtrusion() override{}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    DRW_Coord basePoint;      /*!<  base point, code 10, 20 & 30 */
    double thickness;         /*!< thickness, code 39 */
    DRW_Coord extPoint;       /*!<  Dir extrusion normal vector, code 210, 220 & 230 */
    // TNick: we're not handling code 50 - Angle of the X axis for
    // the UCS in effect when the point was drawn
};


class DRW_ASTMNotch : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_ASTMNotch()
    {
        eType = DRW::ASTMNOTCH;
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    double angle{0};  /*!< angle, code 50 */
};

//! Class to handle line entity
/*!
*  Class to handle line entity
*  @author Rallaz
*/
class DRW_Line : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Line()
        : secPoint()
    {
        eType = DRW::LINE;
    }

    virtual void applyExtrusion() override{}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    DRW_Coord secPoint;        /*!< second point, code 11, 21 & 31 */
};

//! Class to handle ray entity
/*!
*  Class to handle ray entity
*  @author Rallaz
*/
class DRW_Ray : public DRW_Line {
    SETENTFRIENDS
public:
    DRW_Ray() {
        eType = DRW::RAY;
    }
};

//! Class to handle xline entity
/*!
*  Class to handle xline entity
*  @author Rallaz
*/
class DRW_Xline : public DRW_Ray {
public:
    DRW_Xline() {
        eType = DRW::XLINE;
    }
};

//! Class to handle circle entity
/*!
*  Class to handle circle entity
*  @author Rallaz
*/
class DRW_Circle : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Circle()
        : radious()
    {
        eType = DRW::CIRCLE;
    }

    virtual void applyExtrusion() override;

protected:
    void parseCode(int code, dxfReader *reader);

public:
    double radious;                 /*!< radius, code 40 */
};

//! Class to handle arc entity
/*!
*  Class to handle arc entity
*  @author Rallaz
*/
class DRW_Arc : public DRW_Circle {
    SETENTFRIENDS
public:
    DRW_Arc()
        : staangle(),
          endangle(),
          isccw(1)
    {
        eType = DRW::ARC;
    }

    virtual void applyExtrusion() override;

    //! center point in OCS
    const DRW_Coord & center() const { return basePoint; }
    //! the radius of the circle
    double radius() const { return radious; }
    //! start angle in radians
    double startAngle() const { return staangle; }
    //! end angle in radians
    double endAngle() const { return endangle; }
    //! thickness
    double thick() const { return thickness; }
    //! extrusion
    const DRW_Coord & extrusion() const { return extPoint; }

protected:
    //! interpret code in dxf reading process or dispatch to inherited class
    void parseCode(int code, dxfReader *reader);

public:
    double staangle;            /*!< start angle, code 50 in radians*/
    double endangle;            /*!< end angle, code 51 in radians */
    int isccw;                  /*!< is counter clockwise arc?, only used in hatch, code 73 */
};

//! Class to handle ellipse entity
/*!
*  Class to handle ellipse and elliptic arc entity
*  Note: start/end parameter are in radians for ellipse entity but
*  for hatch boundary are in degrees
*  @author Rallaz
*/
class DRW_Ellipse : public DRW_Line {
    SETENTFRIENDS
public:
    DRW_Ellipse()
        : ratio(),
          staparam(),
          endparam(),
          isccw(1)
    {
        eType = DRW::ELLIPSE;
    }

    void toPolyline(DRW_Polyline *pol, int parts = 128);
    virtual void applyExtrusion() override;

protected:
    //! interpret code in dxf reading process or dispatch to inherited class
    void parseCode(int code, dxfReader *reader);

private:
    void correctAxis();

public:
    double ratio;        /*!< ratio, code 40 */
    double staparam;     /*!< start parameter, code 41, 0.0 for full ellipse*/
    double endparam;     /*!< end parameter, code 42, 2*PI for full ellipse */
    int isccw;           /*!< is counter clockwise arc?, only used in hatch, code 73 */
};

//! Class to handle trace entity
/*!
*  Class to handle trace entity
*  @author Rallaz
*/
class DRW_Trace : public DRW_Line {
    SETENTFRIENDS
public:
    DRW_Trace()
        : thirdPoint(),
          fourPoint()
    {
        eType = DRW::TRACE;
    }

    virtual void applyExtrusion() override;

protected:
    void parseCode(int code, dxfReader *reader);

public:
    DRW_Coord thirdPoint;        /*!< third point, code 12, 22 & 32 */
    DRW_Coord fourPoint;        /*!< four point, code 13, 23 & 33 */
};

//! Class to handle solid entity
/*!
*  Class to handle solid entity
*  @author Rallaz
*/
class DRW_Solid : public DRW_Trace {
    SETENTFRIENDS
public:
    DRW_Solid() {
        eType = DRW::SOLID;
    }

protected:
    //! interpret code in dxf reading process or dispatch to inherited class
    void parseCode(int code, dxfReader *reader);

public:
    //! first corner (2D)
    const DRW_Coord & firstCorner() const { return basePoint; }
    //! second corner (2D)
    const DRW_Coord & secondCorner() const { return secPoint; }
    //! third corner (2D)
    const DRW_Coord & thirdCorner() const { return thirdPoint; }
    //! fourth corner (2D)
    const DRW_Coord & fourthCorner() const { return thirdPoint; }
    //! thickness
    double thick() const { return thickness; }
    //! elevation
    double elevation() const { return basePoint.z; }
    //! extrusion
    const DRW_Coord & extrusion() const { return extPoint; }

};

//! Class to handle 3dface entity
/*!
*  Class to handle 3dface entity
*  @author Rallaz
*/
class DRW_3Dface : public DRW_Trace {
    SETENTFRIENDS
public:
    enum InvisibleEdgeFlags {
        NoEdge = 0x00,
        FirstEdge = 0x01,
        SecodEdge = 0x02,
        ThirdEdge = 0x04,
        FourthEdge = 0x08,
        AllEdges = 0x0F
    };

    DRW_3Dface()
        : invisibleflag(0)
    {
        eType = DRW::E3DFACE;
    }

    virtual void applyExtrusion() override {}

    //! first corner in WCS
    const DRW_Coord & firstCorner() const { return basePoint; }
    //! second corner in WCS
    const DRW_Coord & secondCorner() const { return secPoint; }
    //! third corner in WCS
    const DRW_Coord & thirdCorner() const { return thirdPoint; }
    //! fourth corner in WCS
    const DRW_Coord & fourthCorner() const { return fourPoint; }
    //! edge visibility flags
    InvisibleEdgeFlags edgeFlags() const { return static_cast<InvisibleEdgeFlags>(invisibleflag); }

protected:
    //! interpret code in dxf reading process or dispatch to inherited class
    void parseCode(int code, dxfReader *reader);

public:
    int invisibleflag;       /*!< invisible edge flag, code 70 */

};

//! Class to handle block entries
/*!
*  Class to handle block entries
*  @author Rallaz
*/
class DRW_Block : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Block()
        : name("*U0"),
          flags(0)
    {
        eType = DRW::BLOCK;
        layer = '0';
    }

    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    UTF8STRING name;             /*!< block name, code 2 */
    int flags;                   /*!< block type, code 70 */
};


//! Class to handle insert entries
/*!
*  Class to handle insert entries
*  @author Rallaz
*/
class DRW_Insert : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Insert()
        : name(),
          xscale(1),
          yscale(1),
          zscale(1),
          angle(0),
          colcount(1),
          rowcount(1),
          colspace(0),
          rowspace(0)
    {
        eType = DRW::INSERT;
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    UTF8STRING name;         /*!< block name, code 2 */
    double xscale;           /*!< x scale factor, code 41 */
    double yscale;           /*!< y scale factor, code 42 */
    double zscale;           /*!< z scale factor, code 43 */
    double angle;            /*!< rotation angle in radians, code 50 */
    int colcount;            /*!< column count, code 70 */
    int rowcount;            /*!< row count, code 71 */
    double colspace;         /*!< column space, code 44 */
    double rowspace;         /*!< row space, code 45 */
};

//! Class to handle lwpolyline entity
/*!
*  Class to handle lwpolyline entity
*  @author Rallaz
*/
class DRW_LWPolyline : public DRW_Entity {
    SETENTFRIENDS
public:
    DRW_LWPolyline()
        : vertexnum(),
          flags(0),
          width(0.0),
          elevation(0.0),
          thickness(0.0),
          extPoint(DRW_Coord(0, 0, 1)),
          vertex(nullptr),
          vertlist()
    {
        eType = DRW::LWPOLYLINE;
    }

    DRW_LWPolyline(const DRW_LWPolyline& p)
        : DRW_Entity(p),
          vertexnum(),
          flags(p.flags),
          width(p.width),
          elevation(p.elevation),
          thickness(p.thickness),
          extPoint(p.extPoint),
          vertex(nullptr),
          vertlist()
    {
        this->eType = DRW::LWPOLYLINE;
        for (unsigned i=0; i<p.vertlist.size(); i++)// RLZ ok or new
          this->vertlist.push_back( new DRW_Vertex2D( *(p.vertlist.at(i)) ) );
    }

    ~DRW_LWPolyline() {
        for(DRW_Vertex2D *item : vertlist) delete item;
    }
    virtual void applyExtrusion() override;
    void addVertex (DRW_Vertex2D v) {
        DRW_Vertex2D *vert = new DRW_Vertex2D();
        vert->x = v.x;
        vert->y = v.y;
        vert->stawidth = v.stawidth;
        vert->endwidth = v.endwidth;
        vert->bulge = v.bulge;
        vertlist.push_back(vert);
    }
    DRW_Vertex2D *addVertex () {
        DRW_Vertex2D *vert = new DRW_Vertex2D();
        vert->stawidth = 0;
        vert->endwidth = 0;
        vert->bulge = 0;
        vertlist.push_back(vert);
        return vert;
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    int vertexnum;            /*!< number of vertex, code 90 */
    int flags;                /*!< polyline flag, code 70, default 0 */
    double width;             /*!< constant width, code 43 */
    double elevation;         /*!< elevation, code 38 */
    double thickness;         /*!< thickness, code 39 */
    DRW_Coord extPoint;       /*!<  Dir extrusion normal vector, code 210, 220 & 230 */
    DRW_Vertex2D *vertex;       /*!< current vertex to add data */
    std::vector<DRW_Vertex2D *> vertlist;  /*!< vertex list */
private:
    DRW_LWPolyline &operator=(const DRW_LWPolyline &) Q_DECL_EQ_DELETE;
};

//! Class to handle insert entries
/*!
*  Class to handle insert entries
*  @author Rallaz
*/
class DRW_Text : public DRW_Line {
    SETENTFRIENDS
public:
    //! Vertical alignments.
        enum VAlign {
            VBaseLine = 0,  /*!< Top = 0 */
            VBottom,        /*!< Bottom = 1 */
            VMiddle,        /*!< Middle = 2 */
            VTop            /*!< Top = 3 */
        };

    //! Horizontal alignments.
        enum HAlign {
            HLeft = 0,     /*!< Left = 0 */
            HCenter,       /*!< Centered = 1 */
            HRight,        /*!< Right = 2 */
            HAligned,      /*!< Aligned = 3 (if VAlign==0) */
            HMiddle,       /*!< middle = 4 (if VAlign==0) */
            HFit           /*!< fit into point = 5 (if VAlign==0) */
        };

    DRW_Text()
        : height(),
          text(),
          angle(0),
          widthscale(1),
          oblique(0),
          style("STANDARD"),
          textgen(0),
          alignH(HLeft),
          alignV(VBaseLine)
    {
        eType = DRW::TEXT;
    }

    virtual void applyExtrusion() override {} //RLZ TODO

protected:
    void parseCode(int code, dxfReader *reader);

public:
    double height;             /*!< height text, code 40 */
    UTF8STRING text;           /*!< text string, code 1 */
    double angle;              /*!< rotation angle in degrees (360), code 50 */
    double widthscale;         /*!< width factor, code 41 */
    double oblique;            /*!< oblique angle, code 51 */
    UTF8STRING style;          /*!< style name, code 7 */
    int textgen;               /*!< text generation, code 71 */
    enum HAlign alignH;        /*!< horizontal align, code 72 */
    enum VAlign alignV;        /*!< vertical align, code 73 */
};

//! Class to handle insert entries
/*!
*  Class to handle insert entries
*  @author Rallaz
*/
class DRW_MText : public DRW_Text {
    SETENTFRIENDS
public:
    //! Attachments.
    enum Attach {
        TopLeft = 1,
        TopCenter,
        TopRight,
        MiddleLeft,
        MiddleCenter,
        MiddleRight,
        BottomLeft,
        BottomCenter,
        BottomRight
    };

    DRW_MText()
        : interlin(1),
          hasXAxisVec(false)//if true needed to recalculate angle
    {
        eType = DRW::MTEXT;
        alignV = static_cast<VAlign>(TopLeft);
        textgen = 1;   
    }

protected:
    void parseCode(int code, dxfReader *reader);
    void updateAngle();    //recalculate angle if 'haveXAxis' is true

public:
    double interlin;     /*!< width factor, code 44 */
private:
    bool hasXAxisVec;
};

//! Class to handle vertex
/*!
*  Class to handle vertex  for polyline entity
*  @author Rallaz
*/
class DRW_Vertex final : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Vertex()
        : stawidth(0),
          endwidth(0),
          bulge(0),
          flags(0),
          tgdir(),
          vindex1(0),
          vindex2(0),
          vindex3(0),
          vindex4(0),
          identifier(0)
    {
        eType = DRW::VERTEX;
    }

    DRW_Vertex(double sx, double sy, double sz = 0.0, double b = 0.0)
        : stawidth(0),
          endwidth(0),
          bulge(b),
          flags(0),
          tgdir(),
          vindex1(0),
          vindex2(0),
          vindex3(0),
          vindex4(0),
          identifier(0)
    {
        basePoint.x = sx;
        basePoint.y = sy;
        basePoint.z = sz;
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    double stawidth;          /*!< Start width, code 40 */
    double endwidth;          /*!< End width, code 41 */
    double bulge;             /*!< bulge, code 42 */

    int flags;                 /*!< vertex flag, code 70, default 0 */
    double tgdir;           /*!< curve fit tangent direction, code 50 */
    int vindex1;             /*!< polyface mesh vertex index, code 71, default 0 */
    int vindex2;             /*!< polyface mesh vertex index, code 72, default 0 */
    int vindex3;             /*!< polyface mesh vertex index, code 73, default 0 */
    int vindex4;             /*!< polyface mesh vertex index, code 74, default 0 */
    int identifier;           /*!< vertex identifier, code 91, default 0 */
};

//! Class to handle polyline entity
/*!
*  Class to handle polyline entity
*  @author Rallaz
*/
class DRW_Polyline : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Polyline()
        : flags(0),
          defstawidth(0.0),
          defendwidth(0.0),
          vertexcount(0),
          facecount(0),
          smoothM(0),
          smoothN(0),
          curvetype(0),
          vertlist(),
          handlesList(),
          firstEH(),
          lastEH()
    {
        eType = DRW::POLYLINE;
        basePoint.x = basePoint.y = 0.0;
    }
    
    DRW_Polyline(const DRW_Polyline& p)
        : DRW_Point(p),
          flags(p.flags),
          defstawidth(p.defstawidth),
          defendwidth(p.defendwidth),
          vertexcount(p.vertexcount),
          facecount(p.facecount),
          smoothM(p.smoothM),
          smoothN(p.smoothN),
          curvetype(p.curvetype),
          vertlist(),
          handlesList(),
          firstEH(),
          lastEH()
    {
        for (unsigned i=0; i<p.vertlist.size(); i++)// RLZ ok or new
          this->vertlist.push_back( new DRW_Vertex( *(p.vertlist.at(i)) ) );
    }
    
    ~DRW_Polyline() {
        for(DRW_Vertex *item : vertlist) delete item;
    }
    void addVertex (DRW_Vertex v) {
        DRW_Vertex *vert = new DRW_Vertex();
        vert->basePoint.x = v.basePoint.x;
        vert->basePoint.y = v.basePoint.y;
        vert->basePoint.z = v.basePoint.z;
        vert->stawidth = v.stawidth;
        vert->endwidth = v.endwidth;
        vert->bulge = v.bulge;
        vertlist.push_back(vert);
    }
    void appendVertex (DRW_Vertex *v) {
        vertlist.push_back(v);
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    int flags;               /*!< polyline flag, code 70, default 0 */
    double defstawidth;      /*!< Start width, code 40, default 0 */
    double defendwidth;      /*!< End width, code 41, default 0 */
    int vertexcount;         /*!< polygon mesh M vertex or  polyface vertex num, code 71, default 0 */
    int facecount;           /*!< polygon mesh N vertex or  polyface face num, code 72, default 0 */
    int smoothM;             /*!< smooth surface M density, code 73, default 0 */
    int smoothN;             /*!< smooth surface M density, code 74, default 0 */
    int curvetype;           /*!< curves & smooth surface type, code 75, default 0 */

    std::vector<DRW_Vertex *> vertlist;  /*!< vertex list */

private:
    DRW_Polyline &operator=(const DRW_Polyline &) Q_DECL_EQ_DELETE;
    std::list<duint32>handlesList; //list of handles, only in 2004+
    duint32 firstEH;      //handle of first entity, only in pre-2004
    duint32 lastEH;       //handle of last entity, only in pre-2004
};


//! Class to handle spline entity
/*!
*  Class to handle spline entity
*  @author Rallaz
*/
class DRW_Spline : public DRW_Entity {
    SETENTFRIENDS
public:
    DRW_Spline()
        : normalVec(),
          tgStart(),
          tgEnd(),
          flags(0),
          degree(),
          nknots(0),
          ncontrol(0),
          nfit(0),
          tolknot(0.0000001),
          tolcontrol(0.0000001),
          tolfit(0.0000001),
          knotslist(),
          weightlist(),
          controllist(),
          fitlist(),
          controlpoint(),
          fitpoint()
    {
        eType = DRW::SPLINE;
    }
    
    DRW_Spline(const DRW_Spline& p)
        : DRW_Entity(p),
          normalVec(p.normalVec),
          tgStart(p.tgStart),
          tgEnd(p.tgEnd),
          flags(p.flags),
          degree(p.degree),
          nknots(p.nknots),
          ncontrol(p.ncontrol),
          nfit(p.nfit),
          tolknot(p.tolknot),
          tolcontrol(p.tolcontrol),
          tolfit(p.tolfit),
          knotslist(),
          weightlist(),
          controllist(),
          fitlist(),
          controlpoint(),
          fitpoint()
    {
        eType        = DRW::SPLINE;
        
        for(double v : p.knotslist) knotslist.push_back(v);
        for(double v : p.weightlist) weightlist.push_back(v);
        for(DRW_Coord *v : p.controllist) controllist.push_back(new DRW_Coord(*v));
        for(DRW_Coord *v : p.fitlist) fitlist.push_back(new DRW_Coord(*v));
    }
    
    ~DRW_Spline() {
        for(DRW_Coord *item : controllist) delete item;
        for(DRW_Coord *item : fitlist) delete item;
    }
    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
//    double ex;                /*!< normal vector x coordinate, code 210 */
//    double ey;                /*!< normal vector y coordinate, code 220 */
//    double ez;                /*!< normal vector z coordinate, code 230 */
    DRW_Coord normalVec;      /*!< normal vector, code 210, 220, 230 */
    DRW_Coord tgStart;        /*!< start tangent, code 12, 22, 32 */
//    double tgsx;              /*!< start tangent x coordinate, code 12 */
//    double tgsy;              /*!< start tangent y coordinate, code 22 */
//    double tgsz;              /*!< start tangent z coordinate, code 32 */
    DRW_Coord tgEnd;          /*!< end tangent, code 13, 23, 33 */
//    double tgex;              /*!< end tangent x coordinate, code 13 */
//    double tgey;              /*!< end tangent y coordinate, code 23 */
//    double tgez;              /*!< end tangent z coordinate, code 33 */
    int flags;                /*!< spline flag, code 70 */
    int degree;               /*!< degree of the spline, code 71 */
    dint32 nknots;            /*!< number of knots, code 72, default 0 */
    dint32 ncontrol;          /*!< number of control points, code 73, default 0 */
    dint32 nfit;              /*!< number of fit points, code 74, default 0 */
    double tolknot;           /*!< knot tolerance, code 42, default 0.0000001 */
    double tolcontrol;        /*!< control point tolerance, code 43, default 0.0000001 */
    double tolfit;            /*!< fit point tolerance, code 44, default 0.0000001 */

    std::vector<double> knotslist;           /*!< knots list, code 40 */
    std::vector<double> weightlist;          /*!< weight list, code 41 */
    std::vector<DRW_Coord *> controllist;  /*!< control points list, code 10, 20 & 30 */
    std::vector<DRW_Coord *> fitlist;      /*!< fit points list, code 11, 21 & 31 */

private:
    DRW_Spline &operator=(const DRW_Spline &) Q_DECL_EQ_DELETE;
    // cppcheck-suppress unsafeClassCanLeak
    DRW_Coord *controlpoint;   /*!< current control point to add data */
    // cppcheck-suppress unsafeClassCanLeak
    DRW_Coord *fitpoint;       /*!< current fit point to add data */
};

//! Class to handle hatch loop
/*!
*  Class to handle hatch loop
*  @author Rallaz
*/
class DRW_HatchLoop {
public:
    explicit DRW_HatchLoop(int t)
        : type(t),
          numedges(0),
          objlist()
    {}

    ~DRW_HatchLoop() {
        // for(DRW_LWPolyline *item : pollist) delete item;
        for(DRW_Entity *item : objlist) delete item;
    }

    void update() {
        numedges = static_cast<int>(objlist.size());
    }

public:
    int type;               /*!< boundary path type, code 92, polyline=2, default=0 */
    int numedges;           /*!< number of edges (if not a polyline), code 93 */
//TODO: store lwpolylines as entities
//    std::vector<DRW_LWPolyline *> pollist;  /*!< polyline list */
    std::vector<DRW_Entity *> objlist;      /*!< entities list */
};

//! Class to handle hatch entity
/*!
*  Class to handle hatch entity
*  @author Rallaz
*/
//TODO: handle lwpolylines, splines and ellipses
class DRW_Hatch : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Hatch()
        : name(),
          solid(1),
          associative(0),
          hstyle(0),
          hpattern(1),
          doubleflag(0),
          loopsnum(0),
          angle(0.0),
          scale(0.0),
          deflines(0),
          looplist(),
          loop(nullptr),
          line(),
          arc(),
          ellipse(),
          spline(),
          pline(),
          pt(),
          plvert(),
          ispol()
    {
        eType = DRW::HATCH;
        basePoint.x = basePoint.y = basePoint.z = 0.0;
        clearEntities();
    }

    ~DRW_Hatch() {
        for(DRW_HatchLoop *item : looplist) delete item;
    }

    void appendLoop (DRW_HatchLoop *v) {
        looplist.push_back(v);
    }

    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    UTF8STRING name;           /*!< hatch pattern name, code 2 */
    int solid;                 /*!< solid fill flag, code 70, solid=1, pattern=0 */
    int associative;           /*!< associativity, code 71, associatve=1, non-assoc.=0 */
    int hstyle;                /*!< hatch style, code 75 */
    int hpattern;              /*!< hatch pattern type, code 76 */
    int doubleflag;            /*!< hatch pattern double flag, code 77, double=1, single=0 */
    int loopsnum;              /*!< namber of boundary paths (loops), code 91 */
    double angle;              /*!< hatch pattern angle, code 52 */
    double scale;              /*!< hatch pattern scale, code 41 */
    int deflines;              /*!< number of pattern definition lines, code 78 */

    std::vector<DRW_HatchLoop *> looplist;  /*!< polyline list */

private:
    Q_DISABLE_COPY(DRW_Hatch)
    void clearEntities(){
        pt = line = nullptr;
        pline = nullptr;
        arc = nullptr;
        ellipse = nullptr;
        spline = nullptr;
        plvert = nullptr;
    }

    void addLine() {
        clearEntities();
        if (loop) {
            pt = line = new DRW_Line;
            loop->objlist.push_back(line);
        }
    }

    void addArc() {
        clearEntities();
        if (loop) {
            pt = arc = new DRW_Arc;
            loop->objlist.push_back(arc);
        }
    }

    void addEllipse() {
        clearEntities();
        if (loop) {
            pt = ellipse = new DRW_Ellipse;
            loop->objlist.push_back(ellipse);
        }
    }

    void addSpline() {
        clearEntities();
        if (loop) {
            pt = nullptr;
            spline = new DRW_Spline;
            loop->objlist.push_back(spline);
        }
    }

    DRW_HatchLoop *loop;       /*!< current loop to add data */
    DRW_Line *line;
    DRW_Arc *arc;
    DRW_Ellipse *ellipse;
    DRW_Spline *spline;
    DRW_LWPolyline *pline;
    DRW_Point *pt;
    DRW_Vertex2D *plvert;
    bool ispol;
};

//! Class to handle image entity
/*!
*  Class to handle image entity
*  @author Rallaz
*/
class DRW_Image : public DRW_Line {
    SETENTFRIENDS
public:
    DRW_Image()
        : ref(),
          vVector(),
          sizeu(),
          sizev(),
          dz(),
          clip(0),
          brightness(50),
          contrast(50),
          fade(0)
    {
        eType = DRW::IMAGE;
    }

protected:
    void parseCode(int code, dxfReader *reader);

public:
    duint32 ref;               /*!< Hard reference to imagedef object, code 340 */
    DRW_Coord vVector;         /*!< V-vector of single pixel, x coordinate, code 12, 22 & 32 */
//    double vx;                 /*!< V-vector of single pixel, x coordinate, code 12 */
//    double vy;                 /*!< V-vector of single pixel, y coordinate, code 22 */
//    double vz;                 /*!< V-vector of single pixel, z coordinate, code 32 */
    double sizeu;              /*!< image size in pixels, U value, code 13 */
    double sizev;              /*!< image size in pixels, V value, code 23 */
    double dz;                 /*!< z coordinate, code 33 */
    int clip;                  /*!< Clipping state, code 280, 0=off 1=on */
    int brightness;            /*!< Brightness value, code 281, (0-100) default 50 */
    int contrast;              /*!< Brightness value, code 282, (0-100) default 50 */
    int fade;                  /*!< Brightness value, code 283, (0-100) default 0 */

};


//! Base class for dimension entity
/*!
*  Base class for dimension entity
*  @author Rallaz
*/
class DRW_Dimension : public DRW_Entity {
    SETENTFRIENDS
public:
    DRW_Dimension()
        : type(0),
          name(),
          defPoint(),
          textPoint(),
          text(),
          style("STANDARD"),
          align(5),
          linesty(1),
          linefactor(1.0),
          rot(0.0),
          extPoint(DRW_Coord(0, 0, 1.0)),
          hdir(),
          clonePoint(),
          def1(),
          def2(),
          angle(0.0),
          oblique(0.0),
          circlePoint(),
          arcPoint(),
          length(0.0),
          hasActual(false),
          actual(0.0)
    {
        eType = DRW::DIMENSION;
    }

    DRW_Dimension(const DRW_Dimension& d)
        : DRW_Entity(d),
          type(d.type),
          name(d.name),
          defPoint(d.defPoint),
          textPoint(d.textPoint),
          text(d.text),
          style(d.style),
          align(d.align),
          linesty(d.linesty),
          linefactor(d.linefactor),
          rot(d.rot),
          extPoint(d.extPoint),
          hdir(),
          clonePoint(d.clonePoint),
          def1(d.def1),
          def2(d.def2),
          angle(d.angle),
          oblique(d.oblique),
          circlePoint(d.circlePoint),
          arcPoint(d.arcPoint),
          length(d.length),
          hasActual(d.hasActual),
          actual(d.actual)
    {
        eType = DRW::DIMENSION;
        //RLZ needed a def value for this: hdir = ???
    }
    virtual ~DRW_Dimension() = default;

    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    DRW_Coord getDefPoint() const {return defPoint;}      /*!< Definition point, code 10, 20 & 30 */
    void setDefPoint(const DRW_Coord &p) {defPoint =p;}
    DRW_Coord getTextPoint() const {return textPoint;}    /*!< Middle point of text, code 11, 21 & 31 */
    void setTextPoint(const DRW_Coord &p) {textPoint =p;}
    std::string getStyle() const {return style;}          /*!< Dimension style, code 3 */
    void setStyle(const std::string &s) {style = s;}
    int getAlign() const { return align;}                 /*!< attachment point, code 71 */
    void setAlign(const int a) { align = a;}
    int getTextLineStyle() const { return linesty;}       /*!< Dimension text line spacing style, code 72, default 1 */
    void setTextLineStyle(const int l) { linesty = l;}
    std::string getText() const {return text;}            /*!< Dimension text explicitly entered by the user, code 1 */
    void setText(const std::string &t) {text = t;}
    double getTextLineFactor() const { return linefactor;} /*!< Dimension text line spacing factor, code 41, default 1? */
    void setTextLineFactor(const double l) { linefactor = l;}
    double getDir() const { return rot;}                  /*!< rotation angle of the dimension text, code 53 (optional) default 0 */
    void setDir(const double d) { rot = d;}

    DRW_Coord getExtrusion() const {return extPoint;}     /*!< extrusion, code 210, 220 & 230 */
    void setExtrusion(const DRW_Coord &p) {extPoint = p;}
    std::string getName() const {return name;}            /*!< Name of the block that contains the entities, code 2 */
    void setName(const std::string &s) {name = s;}
//    int getType(){ return type;}                      /*!< Dimension type, code 70 */
    bool hasActualMeasurement() const { return hasActual; }
    void setActualMeasurement(double value) { hasActual = true; actual = value; }
    double getActualMeasurement() const { return actual; }

protected:
    DRW_Coord getPt2() const {return clonePoint;}
    void setPt2(const DRW_Coord &p) {clonePoint= p;}
    DRW_Coord getPt3() const {return def1;}
    void setPt3(const DRW_Coord &p) {def1= p;}
    DRW_Coord getPt4() const {return def2;}
    void setPt4(const DRW_Coord &p) {def2= p;}
    DRW_Coord getPt5() const {return circlePoint;}
    void setPt5(const DRW_Coord &p) {circlePoint= p;}
    DRW_Coord getPt6() const {return arcPoint;}
    void setPt6(const DRW_Coord &p) {arcPoint= p;}
    double getAn50() const {return angle;}      /*!< Angle of rotated, horizontal, or vertical dimensions, code 50 */
    void setAn50(const double d) {angle = d;}
    double getOb52() const {return oblique;}    /*!< oblique angle, code 52 */
    void setOb52(const double d) {oblique = d;}
    double getRa40() const {return length;}    /*!< Leader length, code 40 */
    void setRa40(const double d) {length = d;}
public:
    int type;                  /*!< Dimension type, code 70 */
private:
    DRW_Dimension &operator=(const DRW_Dimension &) Q_DECL_EQ_DELETE;
    std::string name;          /*!< Name of the block that contains the entities, code 2 */
    DRW_Coord defPoint;        /*!<  definition point, code 10, 20 & 30 (WCS) */
    DRW_Coord textPoint;       /*!< Middle point of text, code 11, 21 & 31 (OCS) */
    UTF8STRING text;           /*!< Dimension text explicitly entered by the user, code 1 */
    UTF8STRING style;          /*!< Dimension style, code 3 */
    int align;                 /*!< attachment point, code 71 */
    int linesty;               /*!< Dimension text line spacing style, code 72, default 1 */
    double linefactor;         /*!< Dimension text line spacing factor, code 41, default 1? (value range 0.25 to 4.00*/
    double rot;                /*!< rotation angle of the dimension text, code 53 */
    DRW_Coord extPoint;        /*!<  extrusion normal vector, code 210, 220 & 230 */

    double hdir;               /*!< horizontal direction for the dimension, code 51, default ? */
    DRW_Coord clonePoint;      /*!< Insertion point for clones (Baseline & Continue), code 12, 22 & 32 (OCS) */
    DRW_Coord def1;            /*!< Definition point 1for linear & angular, code 13, 23 & 33 (WCS) */
    DRW_Coord def2;            /*!< Definition point 2, code 14, 24 & 34 (WCS) */
    double angle;              /*!< Angle of rotated, horizontal, or vertical dimensions, code 50 */
    double oblique;            /*!< oblique angle, code 52 */

    DRW_Coord circlePoint;     /*!< Definition point for diameter, radius & angular dims code 15, 25 & 35 (WCS) */
    DRW_Coord arcPoint;        /*!< Point defining dimension arc, x coordinate, code 16, 26 & 36 (OCS) */
    double length;             /*!< Leader length, code 40 */
    bool hasActual;            /*!< Actual measurement has been read, code 42 */
    double actual;             /*!< Actual measurement (optional; read-only value), code 42 */
};


//! Class to handle  aligned dimension entity
/*!
*  Class to handle aligned dimension entity
*  @author Rallaz
*/
class DRW_DimAligned : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimAligned(){
        eType = DRW::DIMALIGNED;
        type = 1;
    }
    explicit DRW_DimAligned(const DRW_Dimension& d)
        : DRW_Dimension(d)
    {
        eType = DRW::DIMALIGNED;
    }

    DRW_Coord getClonepoint() const {return getPt2();}      /*!< Insertion for clones (Baseline & Continue), 12, 22 & 32 */
    void setClonePoint(DRW_Coord &c){setPt2(c);}

    DRW_Coord getDimPoint() const {return getDefPoint();}   /*!< dim line location point, code 10, 20 & 30 */
    void setDimPoint(const DRW_Coord &p){setDefPoint(p);}
    DRW_Coord getDef1Point() const {return getPt3();}       /*!< Definition point 1, code 13, 23 & 33 */
    void setDef1Point(const DRW_Coord &p) {setPt3(p);}
    DRW_Coord getDef2Point() const {return getPt4();}       /*!< Definition point 2, code 14, 24 & 34 */
    void setDef2Point(const DRW_Coord &p) {setPt4(p);}

};

//! Class to handle  linear or rotated dimension entity
/*!
*  Class to handle linear or rotated dimension entity
*  @author Rallaz
*/
class DRW_DimLinear : public DRW_DimAligned {
public:
    DRW_DimLinear() {
        eType = DRW::DIMLINEAR;
        type = 0;
    }
    explicit DRW_DimLinear(const DRW_Dimension& d)
        : DRW_DimAligned(d)
    {
        eType = DRW::DIMLINEAR;
    }

    double getAngle() const {return getAn50();}          /*!< Angle of rotated, horizontal, or vertical dimensions, code 50 */
    void setAngle(const double d) {setAn50(d);}
    double getOblique() const {return getOb52();}      /*!< oblique angle, code 52 */
    void setOblique(const double d) {setOb52(d);}
};

//! Class to handle radial dimension entity
/*!
*  Class to handle aligned, linear or rotated dimension entity
*  @author Rallaz
*/
class DRW_DimRadial : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimRadial() {
        eType = DRW::DIMRADIAL;
        type = 4;
    }
    explicit DRW_DimRadial(const DRW_Dimension& d)
        : DRW_Dimension(d)
    {
        eType = DRW::DIMRADIAL;
    }

    DRW_Coord getCenterPoint() const {return getDefPoint();}   /*!< center point, code 10, 20 & 30 */
    void setCenterPoint(const DRW_Coord &p){setDefPoint(p);}
    DRW_Coord getDiameterPoint() const {return getPt5();}      /*!< Definition point for radius, code 15, 25 & 35 */
    void setDiameterPoint(const DRW_Coord &p){setPt5(p);}
    double getLeaderLength() const {return getRa40();}         /*!< Leader length, code 40 */
    void setLeaderLength(const double d) {setRa40(d);}

};

//! Class to handle radial dimension entity
/*!
*  Class to handle aligned, linear or rotated dimension entity
*  @author Rallaz
*/
class DRW_DimDiametric : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimDiametric() {
        eType = DRW::DIMDIAMETRIC;
        type = 3;
    }
    explicit DRW_DimDiametric(const DRW_Dimension& d)
        : DRW_Dimension(d)
    {
        eType = DRW::DIMDIAMETRIC;
    }

    DRW_Coord getDiameter1Point() const {return getPt5();}      /*!< First definition point for diameter, code 15, 25 & 35 */
    void setDiameter1Point(const DRW_Coord &p){setPt5(p);}
    DRW_Coord getDiameter2Point() const {return getDefPoint();} /*!< Opposite point for diameter, code 10, 20 & 30 */
    void setDiameter2Point(const DRW_Coord &p){setDefPoint(p);}
    double getLeaderLength() const {return getRa40();}          /*!< Leader length, code 40 */
    void setLeaderLength(const double d) {setRa40(d);}

};

//! Class to handle angular dimension entity
/*!
*  Class to handle angular dimension entity
*  @author Rallaz
*/
class DRW_DimAngular : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimAngular() {
        eType = DRW::DIMANGULAR;
        type = 2;
    }
    explicit DRW_DimAngular(const DRW_Dimension& d): DRW_Dimension(d)
    {
        eType = DRW::DIMANGULAR;
    }

    DRW_Coord getFirstLine1() const {return getPt3();}       /*!< Definition point line 1-1, code 13, 23 & 33 */
    void setFirstLine1(const DRW_Coord &p) {setPt3(p);}
    DRW_Coord getFirstLine2() const {return getPt4();}       /*!< Definition point line 1-2, code 14, 24 & 34 */
    void setFirstLine2(const DRW_Coord &p) {setPt4(p);}
    DRW_Coord getSecondLine1() const {return getPt5();}      /*!< Definition point line 2-1, code 15, 25 & 35 */
    void setSecondLine1(const DRW_Coord &p) {setPt5(p);}
    DRW_Coord getSecondLine2() const {return getDefPoint();} /*!< Definition point line 2-2, code 10, 20 & 30 */
    void setSecondLine2(const DRW_Coord &p){setDefPoint(p);}
    DRW_Coord getDimPoint() const {return getPt6();}         /*!< Dimension definition point, code 16, 26 & 36 */
    void setDimPoint(const DRW_Coord &p) {setPt6(p);}

};


//! Class to handle angular 3p dimension entity
/*!
*  Class to handle angular 3p dimension entity
*  @author Rallaz
*/
class DRW_DimAngular3p : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimAngular3p() {
        eType = DRW::DIMANGULAR3P;
        type = 5;
    }
    explicit DRW_DimAngular3p(const DRW_Dimension& d): DRW_Dimension(d)
    {
        eType = DRW::DIMANGULAR3P;
    }

    DRW_Coord getFirstLine() const {return getPt3();}       /*!< Definition point line 1, code 13, 23 & 33 */
    void setFirstLine(const DRW_Coord &p) {setPt3(p);}
    DRW_Coord getSecondLine() const {return getPt4();}       /*!< Definition point line 2, code 14, 24 & 34 */
    void setSecondLine(const DRW_Coord &p) {setPt4(p);}
    DRW_Coord getVertexPoint() const {return getPt5();}      /*!< Vertex point, code 15, 25 & 35 */
    void SetVertexPoint(const DRW_Coord &p) {setPt5(p);}
    DRW_Coord getDimPoint() const {return getDefPoint();}    /*!< Dimension definition point, code 10, 20 & 30 */
    void setDimPoint(const DRW_Coord &p) {setDefPoint(p);}

};

//! Class to handle ordinate dimension entity
/*!
*  Class to handle ordinate dimension entity
*  @author Rallaz
*/
class DRW_DimOrdinate : public DRW_Dimension {
    SETENTFRIENDS
public:
    DRW_DimOrdinate() {
        eType = DRW::DIMORDINATE;
        type = 6;
    }
    explicit DRW_DimOrdinate(const DRW_Dimension& d)
        : DRW_Dimension(d)
    {
        eType = DRW::DIMORDINATE;
    }

    DRW_Coord getOriginPoint() const {return getDefPoint();}   /*!< Origin definition point, code 10, 20 & 30 */
    void setOriginPoint(const DRW_Coord &p) {setDefPoint(p);}
    DRW_Coord getFirstLine() const {return getPt3();}          /*!< Feature location point, code 13, 23 & 33 */
    void setFirstLine(const DRW_Coord &p) {setPt3(p);}
    DRW_Coord getSecondLine() const {return getPt4();}         /*!< Leader end point, code 14, 24 & 34 */
    void setSecondLine(const DRW_Coord &p) {setPt4(p);}

};


//! Class to handle leader entity
/*!
*  Class to handle leader entity
*  @author Rallaz
*/
class DRW_Leader : public DRW_Entity {
    SETENTFRIENDS
public:
    DRW_Leader()
        : style(),
          arrow(1),
          leadertype(0),
          flag(3),
          hookline(),
          hookflag(0),
          textheight(),
          textwidth(),
          vertnum(0),
          coloruse(),
          annotHandle(),
          extrusionPoint(DRW_Coord(0, 0, 1.0)),
          horizdir(),
          offsetblock(),
          offsettext(),
          vertexlist(),
          vertexpoint()
    {
        eType = DRW::LEADER;
    }
    ~DRW_Leader() {
        for(DRW_Coord *item : vertexlist) delete item;
    }

    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    UTF8STRING style;          /*!< Dimension style name, code 3 */
    int arrow;                 /*!< Arrowhead flag, code 71, 0=Disabled; 1=Enabled */
    int leadertype;            /*!< Leader path type, code 72, 0=Straight line segments; 1=Spline */
    int flag;                  /*!< Leader creation flag, code 73, default 3 */
    int hookline;              /*!< Hook line direction flag, code 74, default 1 */
    int hookflag;              /*!< Hook line flag, code 75 */
    double textheight;         /*!< Text annotation height, code 40 */
    double textwidth;          /*!< Text annotation width, code 41 */
    int vertnum;               /*!< Number of vertices, code 76 */
    int coloruse;              /*!< Color to use if leader's DIMCLRD = BYBLOCK, code 77 */
    duint32 annotHandle;       /*!< Hard reference to associated annotation, code 340 */
    DRW_Coord extrusionPoint;  /*!< Normal vector, code 210, 220 & 230 */
    DRW_Coord horizdir;        /*!< "Horizontal" direction for leader, code 211, 221 & 231 */
    DRW_Coord offsetblock;     /*!< Offset of last leader vertex from block, code 212, 222 & 232 */
    DRW_Coord offsettext;      /*!< Offset of last leader vertex from annotation, code 213, 223 & 233 */

    std::vector<DRW_Coord *> vertexlist;  /*!< vertex points list, code 10, 20 & 30 */

private:
    Q_DISABLE_COPY(DRW_Leader)
    // cppcheck-suppress unsafeClassCanLeak
    DRW_Coord *vertexpoint;   /*!< current control point to add data */
};

//! Class to handle viewport entity
/*!
*  Class to handle viewport entity
*  @author Rallaz
*/
class DRW_Viewport : public DRW_Point {
    SETENTFRIENDS
public:
    DRW_Viewport()
        : pswidth(205),
          psheight(156),
          vpstatus(0),
          vpID(),
          centerPX(128.5),
          centerPY(97.5),
          snapPX(),
          snapPY(),
          snapSpPX(),
          snapSpPY(),
          viewDir(),
          viewTarget(),
          viewLength(),
          frontClip(),
          backClip(),
          viewHeight(),
          snapAngle(),
          twistAngle(),
          frozenLyCount()
    {
        eType = DRW::VIEWPORT;
    }

    virtual void applyExtrusion() override {}

protected:
    void parseCode(int code, dxfReader *reader);

public:
    double pswidth;           /*!< Width in paper space units, code 40 */
    double psheight;          /*!< Height in paper space units, code 41 */
    int vpstatus;             /*!< Viewport status, code 68 */
    int vpID;                 /*!< Viewport ID, code 69 */
    double centerPX;          /*!< view center point X, code 12 */
    double centerPY;          /*!< view center point Y, code 22 */
    double snapPX;          /*!< Snap base point X, code 13 */
    double snapPY;          /*!< Snap base point Y, code 23 */
    double snapSpPX;          /*!< Snap spacing X, code 14 */
    double snapSpPY;          /*!< Snap spacing Y, code 24 */
    //TODO: complete in dxf
    DRW_Coord viewDir;        /*!< View direction vector, code 16, 26 & 36 */
    DRW_Coord viewTarget;     /*!< View target point, code 17, 27, 37 */
    double viewLength;        /*!< Perspective lens length, code 42 */
    double frontClip;         /*!< Front clip plane Z value, code 43 */
    double backClip;          /*!< Back clip plane Z value, code 44 */
    double viewHeight;        /*!< View height in model space units, code 45 */
    double snapAngle;         /*!< Snap angle, code 50 */
    double twistAngle;        /*!< view twist angle, code 51 */

private:
    duint32 frozenLyCount;
};//RLZ: missing 15,25, 72, 331, 90, 340, 1, 281, 71, 74, 110, 120, 130, 111, 121,131, 112,122, 132, 345,346, and more...

//used  //DRW_Coord basePoint;      /*!<  base point, code 10, 20 & 30 */

//double thickness;         /*!< thickness, code 39 */
//DRW_Coord extPoint;       /*!<  Dir extrusion normal vector, code 210, 220 & 230 */
//enum DRW::ETYPE eType;     /*!< enum: entity type, code 0 */
//duint32 handle;            /*!< entity identifier, code 5 */
//std::list<std::list<DRW_Variant> > appData; /*!< list of application data, code 102 */
//duint32 parentHandle;      /*!< Soft-pointer ID/handle to owner BLOCK_RECORD object, code 330 */
//DRW::Space space;          /*!< space indicator, code 67*/
//UTF8STRING layer;          /*!< layer name, code 8 */
//UTF8STRING lineType;       /*!< line type, code 6 */
//duint32 material;          /*!< hard pointer id to material object, code 347 */
//int color;                 /*!< entity color, code 62 */
//enum DRW_LW_Conv::lineWidth lWeight; /*!< entity lineweight, code 370 */
//double ltypeScale;         /*!< linetype scale, code 48 */
//bool visible;              /*!< entity visibility, code 60 */
//int numProxyGraph;         /*!< Number of bytes in proxy graphics, code 92 */
//std::string proxyGraphics; /*!< proxy graphics bytes, code 310 */
//int color24;               /*!< 24-bit color, code 420 */
//std::string colorName;     /*!< color name, code 430 */
//int transparency;          /*!< transparency, code 440 */
//int plotStyle;             /*!< hard pointer id to plot style object, code 390 */
//DRW::ShadowMode shadow;    /*!< shadow mode, code 284 */
//bool haveExtrusion;        /*!< set to true if the entity have extrusion*/

#endif

// EOF