kicad/lib_dxf/drw_interface.h

/******************************************************************************
**  libDXFrw - Library to read/write DXF files (ascii & binary)              **
**                                                                           **
**  Copyright (C) 2011 Rallaz, 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 <string.h>

#include "drw_entities.h"
#include "drw_objects.h"
// #include "dl_extrusion.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()
    {
// extrusion = new DL_Extrusion;
    }

    virtual ~DRW_Interface()
    {
// delete extrusion;
    }

    /** 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 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( const 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;

    /** Sets the current attributes for entities. */
/*    void setExtrusion(double dx, double dy, double dz, double elevation) {
 *       extrusion->setDirection(dx, dy, dz);
 *       extrusion->setElevation(elevation);
 *   }*/

    /** @return the current attributes used for new entities. */
// DL_Extrusion* getExtrusion() {
// return extrusion;
// }

    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;

protected:
// DL_Attributes attributes;
// DL_Extrusion *extrusion;
};

#endif