CgmInfo.h

#pragma once

#include "CgmDecode.h"
#include "CgmObjects.h"

namespace Larson
{
        class CgmInfo
        {
        public:
                CgmInfo(std::wstring fileName);
                virtual ~CgmInfo();
                /*
                        // description = metafile description; Metafile colour conformance class, source, and date items will
                        //   be encoded as substrings using the keywords:  "ColourClass:", "Source:", "Date:", "Profile:" and "ProfileEd:
                        //   for example: "ProfileId:WebCGM","ProfileEd:2.1" 
                        // fontlist = metafile fontlist
                        // metafile encoding = binary (0) or clear text (1)
                */
                typedef struct  MetafileInfo
                {
                        std::wstring description; 
                        std::vector<std::wstring> fontlist;
                        long encoding;
                } MetafileInfo;
                void getMetafileInfo(MetafileInfo& metaInfo);

                /*
                        // vdcExtent: 2 points that define the lower left and upper corners of picture bounds in VDC units
                        // scalingFactor: metric scaling factor
                        // scalingMode: 0 = Abstract scaling mode, 1= Metric scaling mode
                        //       If set to Abstract, the VDC space is dimensionless
                        //       If set to Metric, the VDC space has implied measure: the metric scale factor represents the
                        //   distance (in millimetres) in the picture corresponding to one VDC unit. One VDC unit represents
                        //   one millimetre multiplied by the metric scale factor
                        // id = picture identifier
                */
                typedef struct PictureInfo
                {
                        Larson::DPoint vdcExtent[2];
                        double scalingFactor;
                        long scalingMode;
                        std::wstring id;
                } PictureInfo;
                void getPictureInfo(vector<PictureInfo>& picsInfo);
                int m_error;

        private:
                long pdElements(CGMI_DS *cgmi_ds, long element, long count, int state);
                long controlElements(CGMI_DS *cgmi_ds, long element, int state);
                CGMI_FMTBL      format;
                VDC_PRECISIONS vdcPrecisions;
                CGMI_DS metafileDefRep;                 /* METAFILE DEFAULTS REPLACEMENT */
                                                                                /* pointer to MDR data record(s) */
                CGMI_FMTBL      metafileDefFmtbl;   // format table containing data types at point where MDR occured   
                PictureInfo currentPicInfo;

                MetafileInfo metafileInfo;
                vector<PictureInfo> picturesInfo;
        };
};