[ARX程序]：请教关于spline绘制的程序

bluebus

请问一下，用怎么绘制AcdbSpline实体，相关的程序段，谢谢！

arbyao

Acad::ErrorStatus
postToDb(AcDbDatabase *pDb, AcDbEntity *pEnt, AcDbObjectId &idObj)
{
        assert ( pEnt != NULL ) ;

        if ( pDb == NULL )
                pDb = acdbHostApplicationServices()->workingDatabase();
        //----- Get a pointer to the current drawing
        //----- and get the drawing's block table. Open it for read.
        Acad::ErrorStatus es ;
        AcDbBlockTable *pBlockTable ;
        if ( (es =pDb->getBlockTable (pBlockTable, AcDb::kForRead)) == Acad::eOk ) {
                //----- Get the Model Space record and open it for write. This will be the owner of the new entity.
                AcDbBlockTableRecord *pSpaceRecord ;
                if ( (es =pBlockTable->getAt (ACDB_MODEL_SPACE, pSpaceRecord, AcDb::kForWrite)) == Acad::eOk ) {
                        //----- Append pEnt to Model Space, then close the Model Space record.
                        es =pSpaceRecord->appendAcDbEntity (idObj, pEnt);
                        pSpaceRecord->close () ;
                }
                pBlockTable->close () ;
        }
        //----- It is good programming practice to return an error status
        if(es != Acad::eOk) idObj=NULL;
        return (es) ;
}

void drawSpline()
{
AcDbDatabase *pDb;
pDb = acdbHostApplicationServices()->workingDatabase();

AcDbSpline *pSpl;
AcGePoint3dArray pnts;

//.... 设置pnts数据 ...//

pSpl = new AcDbSpline(pnts);

AcDbObjectId eId;

postToDb(pDb, pSpl, eId);

pSpl->close();

}

zzz333

请问在COM组件如何实现呢?

wssc79

不用这么复杂