QGIS/external/libdxfrw/drw_interface.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_INTERFACE_H
#define DRW_INTERFACE_H

#include <cstring>

#include "drw_entities.h"
#include "drw_objects.h"
#include "drw_header.h"

/**
 * Abstract class (interface) for comunicate dxfReader with the application.
 * Inherit your class which takes care of the entities in the
 * processed DXF file from this interface.
 *
 * @author Rallaz
 */
class DRW_Interface
{
  public:
    DRW_Interface()
    {
    }
    virtual ~DRW_Interface()
    {
    }

    //! Called when header is parsed.
    virtual void addHeader( const DRW_Header *data ) = 0;

    //! Called for every line Type.
    virtual void addLType( const DRW_LType &data ) = 0;
    //! Called for every layer.
    virtual void addLayer( const DRW_Layer &data ) = 0;
    //! Called for every dim style.
    virtual void addDimStyle( const DRW_Dimstyle &data ) = 0;
    //! Called for every VPORT table.
    virtual void addVport( const DRW_Vport &data ) = 0;
    //! Called for every text style.
    virtual void addTextStyle( const DRW_Textstyle &data ) = 0;
    //! Called for every AppId entry.
    virtual void addAppId( const DRW_AppId &data ) = 0;

    /**
     * Called for every block. Note: all entities added after this
     * command go into this block until endBlock() is called.
     *
     * \see endBlock()
     */
    virtual void addBlock( const DRW_Block &data ) = 0;

    /**
     * In DWG called when the following entities corresponding to a
     * block different from the current. Note: all entities added after this
     * command go into this block until setBlock() is called already.
     *
     * int handle are the value of DRW_Block::handleBlock added with addBlock()
     */
    virtual void setBlock( int handle ) = 0;

    //! Called to end the current block
    virtual void endBlock() = 0;

    //! Called for every point
    virtual void addPoint( const DRW_Point &data ) = 0;

    //! Called for every line
    virtual void addLine( const DRW_Line &data ) = 0;

    //! Called for every ray
    virtual void addRay( const DRW_Ray &data ) = 0;

    //! Called for every xline
    virtual void addXline( const DRW_Xline &data ) = 0;

    //! Called for every arc
    virtual void addArc( const DRW_Arc &data ) = 0;

    //! Called for every circle
    virtual void addCircle( const DRW_Circle &data ) = 0;

    //! Called for every ellipse
    virtual void addEllipse( const DRW_Ellipse &data ) = 0;

    //! Called for every lwpolyline
    virtual void addLWPolyline( const DRW_LWPolyline &data ) = 0;

    //! Called for every polyline start
    virtual void addPolyline( const DRW_Polyline &data ) = 0;

    //! Called for every spline
    virtual void addSpline( const DRW_Spline *data ) = 0;

    //! Called for every spline knot value
    virtual void addKnot( const DRW_Entity &data ) = 0;

    //! Called for every insert.
    virtual void addInsert( const DRW_Insert &data ) = 0;

    //! Called for every trace start
    virtual void addTrace( const DRW_Trace &data ) = 0;

    //! Called for every 3dface start
    virtual void add3dFace( const DRW_3Dface &data ) = 0;

    //! Called for every solid start
    virtual void addSolid( const DRW_Solid &data ) = 0;


    //! Called for every Multi Text entity.
    virtual void addMText( const DRW_MText &data ) = 0;

    //! Called for every Text entity.
    virtual void addText( const DRW_Text &data ) = 0;

    //! Called for every aligned dimension entity.
    virtual void addDimAlign( const DRW_DimAligned *data ) = 0;

    //! Called for every linear or rotated dimension entity.
    virtual void addDimLinear( const DRW_DimLinear *data ) = 0;

    //! Called for every radial dimension entity.
    virtual void addDimRadial( const DRW_DimRadial *data ) = 0;

    //! Called for every diametric dimension entity.
    virtual void addDimDiametric( const DRW_DimDiametric *data ) = 0;

    //! Called for every angular dimension (2 lines version) entity.
    virtual void addDimAngular( const DRW_DimAngular *data ) = 0;

    //! Called for every angular dimension (3 points version) entity.
    virtual void addDimAngular3P( const DRW_DimAngular3p *data ) = 0;

    //! Called for every ordinate dimension entity.
    virtual void addDimOrdinate( const DRW_DimOrdinate *data ) = 0;

    //! Called for every leader start.
    virtual void addLeader( const DRW_Leader *data ) = 0;

    //! Called for every hatch entity.
    virtual void addHatch( const DRW_Hatch *data ) = 0;

    //! Called for every viewport entity.
    virtual void addViewport( const DRW_Viewport &data ) = 0;

    //! Called for every image entity.
    virtual void addImage( const DRW_Image *data ) = 0;

    //! Called for every image definition.
    virtual void linkImage( const DRW_ImageDef *data ) = 0;

    //! Called for every comment in the DXF file (code 999).
    virtual void addComment( const char *comment ) = 0;

    virtual void writeHeader( DRW_Header &data ) = 0;
    virtual void writeBlocks() = 0;
    virtual void writeBlockRecords() = 0;
    virtual void writeEntities() = 0;
    virtual void writeLTypes() = 0;
    virtual void writeLayers() = 0;
    virtual void writeTextstyles() = 0;
    virtual void writeVports() = 0;
    virtual void writeDimstyles() = 0;
    virtual void writeAppId() = 0;
};

#endif