envi-code/SourceCode/Code2026/tg_shs/shs_TwtKernal/Block.cpp

// Block.cpp: implementation of the CBlock class.
//
//////////////////////////////////////////////////////////////////////

#include "stdafx.h"

//#include <dbobject.h>

#include "tapi.h"
#include "Block.h"

#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

CBlock::CBlock(const TCHAR* szBlkName, XPoint pt, double nScale, double Rotation, const TCHAR* szLayer)
{
	InitBlock(szBlkName);
	AcDbBlockTable *pBlockTable = NULL;
	AcDbBlockTableRecord*  pRecord = NULL;
	acdbCurDwg()->getBlockTable(pBlockTable, AcDb::kForRead);
	if(!pBlockTable)
		return;
    if ((pBlockTable->getAt(szBlkName, pRecord, AcDb::kForRead)) != Acad::eOk) {
		pBlockTable->close();
		return;
	}
	pBlockTable->close();
 
	m_BlockId = pRecord->objectId();
	pRecord->newIterator(m_pIterator);
	pRecord->close();
	m_pBlkRef = new AcDbBlockReference;
	m_pBlkRef->setBlockTableRecord(m_BlockId);
	m_pBlkRef->setRotation(Rotation);
	m_pBlkRef->setPosition(AcGePoint3d(pt));
	m_pBlkRef->setScaleFactors(nScale);
	InitLayer(szLayer);
	m_pBlkRef->setLayer(szLayer);

	AcDbExtents extents;
	m_pBlkRef->getGeomExtents(extents);
	m_ptMax = extents.maxPoint();
	m_ptMin = extents.minPoint();
	m_nWidth = fabs(m_ptMax[0] - m_ptMin[0]);
	m_nHeight = fabs(m_ptMax[1] - m_ptMin[1]);
 
}

CBlock::~CBlock()
{
	if(m_pBlkRef)
		m_pBlkRef->close();	

}

 

void GetAttPos(Entity entBlk, const TCHAR* szTag, AcGePoint3d& pt)
{
    CString csTag = szTag;
	TCHAR szBlkName[256];
	entBlk.GetData(2, szBlkName);
	AcDbBlockTable *pBlockTable = NULL;
	AcDbBlockTableRecord*  pRecord = NULL;
	acdbCurDwg()->getBlockTable(pBlockTable, AcDb::kForRead);
    if ((pBlockTable->getAt(szBlkName, pRecord, AcDb::kForRead)) != Acad::eOk) 
		return;
	pBlockTable->close();
	if(!pRecord)
		return;
	AcDbBlockTableRecordIterator *pIterator;
 	pRecord->newIterator(pIterator);
	AcDbEntity *pEnt;
	AcDbAttributeDefinition *pAttdef;
	for(pIterator->start();!pIterator->done();pIterator->step()){
		pIterator->getEntity(pEnt, AcDb::kForRead);
		pAttdef = AcDbAttributeDefinition::cast(pEnt);
		if(pAttdef != NULL){
			TCHAR* pStr = pAttdef->tag();
			if(_tcscmp(pStr, csTag) == 0){
				free(pStr);
				pt = pAttdef->alignmentPoint();
				delete pIterator;
				pAttdef->close();
				pRecord->close();
				return;
			}
			free(pStr);
		}
		pEnt->close();
	}
	delete pIterator;
	pRecord->close();
}


void CBlock::InitAttr()
{
	AcGeScale3d scale = m_pBlkRef->scaleFactors();

	AcDbBlockTableRecord*  pRecord;
	acdbOpenObject(pRecord, m_BlockId, AcDb::kForRead);
	if(!pRecord)
		return;
	AcDbBlockTableRecordIterator *pIterator;
 	pRecord->newIterator(pIterator);
	AcDbEntity *pEnt;
	AcDbAttributeDefinition *pAttdef;
	for(pIterator->start();!pIterator->done();pIterator->step()){
		pIterator->getEntity(pEnt, AcDb::kForRead);
		pAttdef = AcDbAttributeDefinition::cast(pEnt);
		if(pAttdef != NULL){
			AcDbAttribute *pAtt = new AcDbAttribute();
			pAtt->setPropertiesFrom(pAttdef);
			pAtt->setInvisible(pAttdef->isInvisible());
			AcGePoint3d pt;
			pt = pAttdef->position();
			pt = pt.transformBy(m_pBlkRef->blockTransform());

			pAtt->setTextStyle(pAttdef->textStyle());

			pAtt->setWidthFactor(pAttdef->widthFactor());
			pAtt->setPosition(pt);
			pAtt->setAlignmentPoint(pt);
			pAtt->setRotation(m_pBlkRef->rotation());
			pAtt->setTag(_T("Tag"));
			pAtt->setFieldLength(25);
			
			pAtt->setHorizontalMode(pAttdef->horizontalMode());
			pAtt->setVerticalMode(pAttdef->verticalMode());

			pAtt->setHeight(pAttdef->height()*scale[0]);
			TCHAR* pStr = pAttdef->tag();
			pAtt->setTag(pStr);

			free(pStr);
			pAtt->setFieldLength(pAttdef->fieldLength());
			pAtt->setTextString(pAttdef->textString());
			AcDbObjectId attId;
			m_pBlkRef->appendAttribute(attId, pAtt);
			pAtt->setPosition(pt);   // apppend后，ref修改了pos，所以要重新设置插入点
			pAtt->setAlignmentPoint(pt);
			pAtt->close();
		}
		pEnt->close();
	}
	delete pIterator;
	pRecord->close();
}

void CBlock::Insert(XPoint ptIns)
{
	m_pBlkRef->setPosition(AcGePoint3d(ptIns));
	PostToDb(m_pBlkRef);
	AcDbExtents extents;
	m_pBlkRef->getGeomExtents(extents);
	m_ptMax = extents.maxPoint();
	m_ptMin = extents.minPoint();
}

void CBlock::Insert(BOOL bClose)
{
	PostToDb(m_pBlkRef);
	InitAttr();

	AcDbExtents extents;
	m_pBlkRef->getGeomExtents(extents);
	m_ptMax = extents.maxPoint();
	m_ptMin = extents.minPoint();
	if(bClose){
		m_pBlkRef->close();
		m_pBlkRef = NULL;
	}
}

void CBlock::TransformBy(const AcGeMatrix3d& xform)
{
	m_pBlkRef->transformBy(xform);
	AcDbExtents extents;
	m_pBlkRef->getGeomExtents(extents);
	m_ptMax = extents.maxPoint();
	m_ptMin = extents.minPoint();
}

void CBlock::SetScaleFactors(AcGeScale3d scale)
{
	m_pBlkRef->setScaleFactors(scale);
}

void CBlock::GetLinkPt(XPointList &lstPt)
{
	for(m_pIterator->start(); !m_pIterator->done(); m_pIterator->step()){
		AcDbEntity *pEnt;
		m_pIterator->getEntity(pEnt, AcDb::kForRead);
		AcDbBlockReference *pBlk = NULL;
		if(pBlk = AcDbBlockReference::cast(pEnt)){
			AcGePoint3d ptIns = pBlk->position();
		 
			AcDbObjectId BlockId = pBlk->blockTableRecord();
			OPENOBJ_BEGIN(BlockId, AcDb::kForRead, AcDbBlockTableRecord, pRecord);
			TCHAR* blkName;
			pRecord->getName(blkName);
			if(_tcscmp(blkName, _T("_LINKPT1")) == 0){
				ptIns = ptIns.transformBy(m_pBlkRef->blockTransform());
				lstPt.NewAppend(ptIns);
			}
			OPENOBJ_END();
		}
		pEnt->close();
	}
}