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            C++ Programmer's Cookbook
            

            {C++ 基礎}

{C++ 高級}

{C#界面，C++核心算法}

{設計模式}

{C#基礎}






            
			
            
				
					
	
            
		
            
			arx & c++ 常用函數(shù)代碼
		
            
		
             
            

            1改變實體顏色

            Acad::ErrorStatus
            changeColor(AcDbObjectId entId, Adesk::UInt16 newColor)
            {
                AcDbEntity             *pEntity;
                acdbOpenObject(pEntity, entId,
                    AcDb::kForWrite);

                pEntity            ->setColorIndex(newColor);
                pEntity            ->close();

                            return Acad::eOk;
            }

            2打開model空間
            bool OpenWorkingModelSpace()
            {
                Acad::ErrorStatus es ;
                AcDbBlockTable             *pBlockTbl ;
                AcDbBlockTableRecord             *pp ;
                            //AcDbObjectId pObjectid;

                            // Get the block table
                if ( (es =acdbHostApplicationServices ()->workingDatabase ()->getBlockTable (pBlockTbl, AcDb::kForRead)) != Acad::eOk )
                            {
                    acutPrintf (            "\nCouldn't open the block table!") ;
                                return false;
                }
                            // Get the Model Space record and open it for read.
                if ( (es =pBlockTbl->getAt (ACDB_MODEL_SPACE, pp, AcDb::kForWrite)) != Acad::eOk )
                            {
                    acutPrintf (            "\nCouldn't get Model Space! Drawing corrupt.\n") ;
                    pBlockTbl            ->close () ;
                                return  false;
                }
                pBlockTbl            ->close ();
                            //pp即為model的指針
                            //使用pp
                pp->close();
                            return true;
            }

            3創(chuàng)建textstyle

            bool CreateTextStyle()
            {
                Acad::ErrorStatus es;
                AcDbTextStyleTable             * pTextStyleTable;
                es            = acdbHostApplicationServices()->workingDatabase()->getSymbolTable(pTextStyleTable, AcDb::kForWrite);
                            if (es != Acad::eOk) 
                            {
                    delete pTextStyleTable;
                                return false;
                }
                            if(pTextStyleTable->has("textstyle name"))
                            {
                                //delete pTextStyleRecord;
                    pTextStyleTable->close();
                                return true;
                }
                AcDbTextStyleTableRecord             * pTextStyleRecord = new AcDbTextStyleTableRecord();
                            if (pTextStyleRecord == NULL)
                                return false;
                

                 es             = pTextStyleRecord->setName("Mytablestyle");
                                //es = pTextStyleRecord->setFont("@宋體",Adesk::kFalse,Adesk::kFalse,936,FIXED_PITCH );
                   es = pTextStyleRecord->setBigFontFileName("gbcbig.shx");
                   es             = pTextStyleRecord->setFileName("txt.shx");
                               //es = pTextStyleRecord->setTextSize(2.2);
                                //設置屬性
                if (es != Acad::eOk) 
                            {
                    delete pTextStyleRecord;
                                return false;
                }
                es             = pTextStyleTable->add(pTextStyleRecord);
                            if (es != Acad::eOk)
                            {
                    acutPrintf(            "not add id");
                    delete pTextStyleRecord;
                                return false;
                }
                pTextStyleTable            ->close();
                pTextStyleRecord            ->close();
               

                            return true;
            }

            4增加blockref到model

            bool AddblockrefToModel()
            {

                            if(pMS == NULL)
                              return false;
                AcDbBlockTable             *pBlockTable ;
                AcDbObjectId pTitileBlockId;
                            // Open the block table for read
                Acad::ErrorStatus es ;
                            if ( (es =acdbHostApplicationServices ()->workingDatabase ()->getBlockTable (pBlockTable, AcDb::kForRead)) != Acad::eOk )
                                return false ;

                            if ( pBlockTable->getAt("xxx",pTitileBlockId) == Adesk::kTrue )
                            {    
                                return false ;
                }
                pBlockTable            ->close ();

                
                AcDbBlockReference             * pTitileBlockRef = new AcDbBlockReference(AcGePoint3d(xx ,yy,zz),pTitileBlockId);
                AcGeScale3d pscale(scale); 
                pTitileBlockRef            ->setScaleFactors(pscale);
                            //設置屬性
                
                pMS            ->appendAcDbEntity(pTitileBlockRef);
                pTitileBlockRef            ->close();

                            return true;
                
            }
            5遍歷block中的屬性             //與遍歷block中的實體相似
            AcDbObjectIterator *pBlkRefAttItr=pBlkRef->attributeIterator();
            for (pBlkRefAttItr->start(); !pBlkRefAttItr->done();pBlkRefAttItr->step())
            {
            AcDbObjectId attObjId;
            attObjId             = pBlkRefAttItr->objectId();

            AcDbAttribute             *pAtt = NULL;
            Acad::ErrorStatus es             = acdbOpenObject(pAtt, attObjId, AcDb::kForRead);
            if (es != Acad::eOk) 
            {
            acutPrintf(            "\nFailed to open attribute");
            delete pBlkRefAttItr;
            continue;
            }
            if (strcmp(pAtt->tag(),"TITLE:") == 0)
            {
            CString title             = pAtt->textString();
            if (strcmp(title,"PROGRESS(D)") == 0)
            { //操作
            }
            else if (strcmp(title,"PROGRESS(P)") == 0)
            {
            //操作
            }
            }
            pAtt            ->close();
            }
            6公差標注設置函數(shù)：
            void SetDimtpAndDimtm(double tp,double tm)
            {
            AcDbDimStyleTable             *pDimStyleTbl;
            acdbCurDwg()            ->getDimStyleTable(pDimStyleTbl,AcDb::kForRead);
            AcDbDimStyleTableRecord             *pDimStyleTblRcd;
            pDimStyleTbl            ->getAt("",pDimStyleTblRcd,AcDb::kForWrite);
            if (fabs(tp) == fabs(tm))
            {
            pDimStyleTblRcd            ->setDimtfac(1.0)
            }
            else pDimStyleTblRcd->setDimtfac(0.5);
            if (tp == 0.0 && tm == 0.0)
            {
            pDimStyleTblRcd            ->setDimtol(0);
            }
            else
            {
            pDimStyleTblRcd            ->setDimtp(tp);
            pDimStyleTblRcd            ->setDimtol(1);
            pDimStyleTblRcd            ->setDimtm(tm);
            }
            pDimStyleTblRcd            ->close();
            pDimStyleTbl            ->close();
            }
            
		
            
			posted on 2006-02-08 14:08 夢在天涯 閱讀(2294) 評論(1)  編輯 收藏 引用  所屬分類: ARX/DBX 
		
            
	
            
	
	


	


            
	    
    


            

            評論
            
	
	
			
            
				# re: arx & c++ 常用函數(shù)代碼
					
						2006-02-17 09:03
					
				夢在天涯
			
            
			
            
				Finding the Active Viewports in Model Space

            

            // Set some viewport information.

            AcDbViewportTable* pViewportTable;

            if (db.getViewportTable(pViewportTable, AcDb::kForRead)

                == Acad::eOk)

            {

                // Find the first viewport and open it for write. 

                AcDbViewportTableRecord *pRecord;

                if (pViewportTable->getAt(

                    "*ACTIVE", pRecord, 

                      AcDb::kForWrite) == Acad::eOk)

                {

                    pRecord->setCenterPoint(AcGePoint2d(0.5, 0.5));

                    pRecord->setHeight(1.0); 

                    pRecord->setWidth(1.0); 

                    pRecord->close(); 

                } 

                pViewportTable->close();

            }

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