[编程交流] 自定义实体问题

Adesk::Boolean CMyGcd::subWorldDraw (AcGiWorldDraw *mode) {
        assertReadEnabled () ;
        //return (AcDbCurve::subWorldDraw (mode)) ;
        Acad::ErrorStatus es;
    //......
        //wipeout
        es = AcDbWipeout::createImageDefinition();
        AcDbWipeout *pWipe = new AcDbWipeout();
        if(pWipe == NULL) return (Adesk::kFalse);
        pWipe->setDatabaseDefaults();
        AcGePoint3d originPnt;
        getTextPosition(originPnt);
        AcGeVector3d Udirection(1,0,0);
        AcGeVector3d Vdirection(0,-1,0);
        pWipe->setOrientation(originPnt,Udirection,Vdirection);
        // Set the clip boundary for the wipeout - this is very important
        AcGePoint2dArray *ptArray = new AcGePoint2dArray(5,5);
        AcGePoint3dArray vertexArray;
        es = getExtentsBox(vertexArray);
        AcGePoint2d p0,p1;
        p0 = AcGePoint2d(vertexArray[0].x,vertexArray[0].y);
        p1 = AcGePoint2d(vertexArray[1].x,vertexArray[1].y);
        
        //AcGePoint2dArray ptArray;
        ptArray->append(p0);
        ptArray->append(AcGePoint2d(p1.x,p0.y));
        ptArray->append(p1);
        ptArray->append(AcGePoint2d(p0.x,p1.y));
        ptArray->append(p0);
        pWipe->setDisplayOpt(AcDbRasterImage::kTransparent,Adesk::kTrue);
        pWipe->setDisplayOpt( AcDbRasterImage::kShow, true);
        es = pWipe->setClipBoundaryToWholeImage();
        es = pWipe->setClipBoundary(AcDbRasterImage::kPoly,*ptArray);
        pWipe->worldDraw(mode);
        //mode->geometry().draw(pWipe);
        delete pWipe;
        pWipe = NULL;
        //...
        return (Adesk::kTrue);
}