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arx & c++ 常用函數(shù)代碼

1改變實(shí)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(shè)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(shè)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(shí)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(biāo)注設(shè)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

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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# re: arx & c++ 常用函數(shù)代碼 2006-02-17 09:03 夢在天涯

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