r2000.h

/*******************************************************************************
 *  Project: libopencad
 *  Purpose: OpenSource CAD formats support library
 *  Author: Alexandr Borzykh, mush3d at gmail.com
 *  Author: Dmitry Baryshnikov, bishop.dev@gmail.com
 *  Language: C++
 *******************************************************************************
 *  The MIT License (MIT)
 *
 *  Copyright (c) 2016 Alexandr Borzykh
 *  Copyright (c) 2016 NextGIS, <info@nextgis.com>
 *
 *  Permission is hereby granted, free of charge, to any person obtaining a copy
 *  of this software and associated documentation files (the "Software"), to deal
 *  in the Software without restriction, including without limitation the rights
 *  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 *  copies of the Software, and to permit persons to whom the Software is
 *  furnished to do so, subject to the following conditions:
 *
 *  The above copyright notice and this permission notice shall be included in all
 *  copies or substantial portions of the Software.
 *
 *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 *  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 *  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 *  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 *  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 *  SOFTWARE.
 *******************************************************************************/

#ifndef DWG_R2000_H_H
#define DWG_R2000_H_H

#include "cadfile.h"

struct SectionLocatorRecord
{
    char byRecordNumber = 0;
    int  dSeeker        = 0;
    int  dSize          = 0;
};

struct DWG2000Ced
{
    long      dLength;
    short     dType;
    int       dObjSizeInBits;
    CADHandle   hHandle;
    CADEedArray eEED;
    bool        bGraphicPresentFlag;

    char      dEntMode;
    int       dNumReactors;

    bool        bNoLinks;
    short     dCMColorIndex;
    double      dfLtypeScale;

    char      ltype_flags;
    char      plotstyle_flags;

    short     dInvisibility;
    char      cLineWeight;
};

struct DWG2000Cehd
{
    CADHandle hOwner;
    CADHandle hReactors;
    CADHandle hxdibobjhandle;
    CADHandle hprev_entity, hnext_entity;
    CADHandle hlayer;
    CADHandle hltype;
    CADHandle hplotstyle;
};

class DWGFileR2000 : public CADFile
{
public:
    DWGFileR2000(CADFileIO* poFileIO);
    virtual ~DWGFileR2000();

protected:
    virtual int readSectionLocator() override;
    virtual int readHeader(enum OpenOptions eOptions) override;
    virtual int readClasses(enum OpenOptions eOptions) override;
    virtual int createFileMap() override;

    CADObject * getObject(long index, bool bHandlesOnly = false) override;
    CADGeometry * getGeometry(long index) override;
protected:
    CADBlockObject *getBlock(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADEllipseObject *getEllipse(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADSolidObject *getSolid(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADPointObject *getPoint(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADPolyline3DObject *getPolyLine3D(long dObjectSize,
                                       CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADRayObject *getRay(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADXLineObject *getXLine(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLineObject *getLine(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADTextObject *getText(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADVertex3DObject *getVertex3D(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADCircleObject *getCircle(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADEndblkObject *getEndBlock(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADPolyline2DObject *getPolyline2D(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADAttribObject *getAttributes(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADAttdefObject *getAttributesDefn(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLWPolylineObject *getLWPolyLine(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADArcObject *getArc(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADSplineObject *getSpline(long dObjectSize, CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADEntityObject *getEntity(int dObjectType, long dObjectSize,
                               CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADDictionaryObject *getDictionary(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLayerObject *getLayer(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLayerControlObject *getLayerControl(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADBlockControlObject *getBlockControl(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADBlockHeaderObject *getBlockHeader(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLineTypeControlObject *getLineTypeControl(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADLineTypeObject *getLineType1(long dObjectSize,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADMLineObject *getMLine(long dObjectSize, CADCommonED stCommonEntityData,
                             const char *pabyInput, size_t &nBitOffsetFromStart);
    CADPolylinePFaceObject *getPolylinePFace(long dObjectSize,
                                             CADCommonED stCommonEntityData,
                                             const char *pabyInput,
                                             size_t &nBitOffsetFromStart);
    CADImageObject *getImage(long dObjectSize, CADCommonED stCommonEntityData,
                            const char *pabyInput, size_t &nBitOffsetFromStart);
    CAD3DFaceObject *get3DFace(long dObjectSize,  CADCommonED stCommonEntityData,
                               const char *pabyInput, size_t &nBitOffsetFromStart);
    CADVertexMeshObject *getVertexMesh(long dObjectSize,  CADCommonED stCommonEntityData,
                                       const char *pabyInput, size_t &nBitOffsetFromStart);
    CADVertexPFaceObject *getVertexPFace(long dObjectSize, CADCommonED stCommonEntityData,
                                         const char *pabyInput, size_t &nBitOffsetFromStart);
    CADDimensionObject *getDimension(short dObjectType, long dObjectSize,
                                           CADCommonED stCommonEntityData,
                                           const char *pabyInput,
                                           size_t &nBitOffsetFromStart);
    CADMTextObject *getMText(long dObjectSize, CADCommonED stCommonEntityData,
                            const char *pabyInput, size_t &nBitOffsetFromStart);
    CADImageDefObject *getImageDef(long dObjectSize,
                            const char *pabyInput, size_t &nBitOffsetFromStart);
    CADImageDefReactorObject *getImageDefReactor(long dObjectSize,
                                                 const char *pabyInput,
                                                 size_t &nBitOffsetFromStart);
protected:
    int imageSeeker;
    std::vector<SectionLocatorRecord> sectionLocatorRecords;
};

#endif // DWG_R2000_H_H