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 *) { }

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

    /**
     * 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 &) { }

    /** Called to end the current block */
    virtual void endBlock() { }

    /** Called for every point */
    virtual void addPoint(const DRW_Point &) { }

    /** Called for every line */
    virtual void addLine(const DRW_Line &) { }

    /** Called for every ray */
    virtual void addRay(const DRW_Ray &) { }

    /** Called for every xline */
    virtual void addXline(const DRW_Xline &) { }

    /** Called for every arc */
    virtual void addArc(const DRW_Arc &) { }

    /** Called for every circle */
    virtual void addCircle(const DRW_Circle &) { }

    /** Called for every ellipse */
    virtual void addEllipse(const DRW_Ellipse &) { }

    /** Called for every lwpolyline */
    virtual void addLWPolyline(const DRW_LWPolyline &) { }

    /** Called for every polyline start */
    virtual void addPolyline(const DRW_Polyline &) { }

    /** Called for every spline */
    virtual void addSpline(const DRW_Spline *) { }

	/** Called for every spline knot value */
    virtual void addKnot(const DRW_Entity &) { }

    /** Called for every insert. */
    virtual void addInsert(const DRW_Insert &) { }

    /** Called for every trace start */
    virtual void addTrace(const DRW_Trace &) { }

    /** Called for every 3dface start */
    virtual void add3dFace(const DRW_3Dface &) { }

    /** Called for every solid start */
    virtual void addSolid(const DRW_Solid &) { }


    /** Called for every Multi Text entity. */
    virtual void addMText(const DRW_MText &) { }

    /** Called for every Text entity. */
    virtual void addText(const DRW_Text &) { }

    /**
     * Called for every aligned dimension entity.
     */
    virtual void addDimAlign(const DRW_DimAligned *) { }
    /**
     * Called for every linear or rotated dimension entity.
     */
    virtual void addDimLinear(const DRW_DimLinear *) { }

	/**
     * Called for every radial dimension entity.
     */
    virtual void addDimRadial(const DRW_DimRadial *) { }

	/**
     * Called for every diametric dimension entity.
     */
    virtual void addDimDiametric(const DRW_DimDiametric *) { }

	/**
     * Called for every angular dimension (2 lines version) entity.
     */
    virtual void addDimAngular(const DRW_DimAngular *) { }

	/**
     * Called for every angular dimension (3 points version) entity.
     */
    virtual void addDimAngular3P(const DRW_DimAngular3p *) { }

    /**
     * Called for every ordinate dimension entity.
     */
    virtual void addDimOrdinate(const DRW_DimOrdinate *) { }

    /**
	 * Called for every leader start.
	 */
    virtual void addLeader(const DRW_Leader *) { }

	/**
	 * Called for every hatch entity.
	 */
    virtual void addHatch(const DRW_Hatch *) { }

    /**
     * Called for every viewport entity.
     */
    virtual void addViewport(const DRW_Viewport &) { }

    /**
	 * Called for every image entity.
	 */
    virtual void addImage(const DRW_Image *) { }

	/**
	 * Called for every image definition.
	 */
    virtual void linkImage(const DRW_ImageDef *) { }

    /**
     * Called for every comment in the DXF file (code 999).
     */
    virtual void addComment(const char *) { }

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

#endif