WBLOCK 예제

현재 열려진 Database를 사용하지 않고.
임의의 Database를 생성하여 블럭을 만들 Entity들을 추가한 후 블럭을 만든다.

이런 방법을 사용하면 현재의 Drawing,에 Entity들을 그리지 않고서도 블럭을 만들기가 가능합니다.

void Command_Block()
{
	AcDbDatabase* pDatabase = new AcDbDatabase;

	AcGePoint3d ptStart;
	ptStart.x = ptStart.y = ptStart.z = 0;
	AcGePoint3d ptEnd;
	ptEnd.x = ptEnd.y = ptEnd.z = 100;

	AcDbLine* pLine = new AcDbLine(ptStart , ptEnd);
	AcDbBlockTable *pBlockTable;
	Acad::ErrorStatus es;
	es = pDatabase->getBlockTable(pBlockTable, AcDb::kForRead);
	if (es != Acad::eOk)
	{
		ads_alert("Failed to get the block table!");
		pBlockTable->close();
		return;
	}

	AcDbBlockTableRecord *pBlockRec;
	es = pBlockTable->getAt(ACDB_MODEL_SPACE, pBlockRec, AcDb::kForWrite);
	if (es != Acad::eOk)
	{
		ads_alert("Failed to get the block table record!");
		pBlockRec->close();
		return;
	}

	AcDbObjectId retId;
	if(pBlockRec->appendAcDbEntity(retId, pLine) != Acad::eOk)
	{
		ads_alert("Can't add entity to the blockTableRecord!");
		pBlockRec->close();
		return;
	}

	AcDbObjectIdArray ids;
	ids.append(pLine->objectId());
	pLine->close();

	es = pBlockTable->close();
	assert(es == Acad::eOk);
	es = pBlockRec->close();
	assert(es == Acad::eOk);

	AcGePoint3d basePoint;
	basePoint.x = basePoint.y = basePoint.z = 100;
	AcDbDatabase* pOutput = NULL;
	pDatabase->wblock(pOutput , ids , basePoint);

	pOutput->saveAs("D:\\block.dwg");

	delete pDatabase;
	delete pOutput;
}