transutil.cpp

AutoCAD多重拷贝命令。 命令名称：MulCopy 命令功能：本程序以代替AutoCAD中原有的Copy命令

#include "transutil.h"

CTransUtil::CTransUtil(void)
{
}

CTransUtil::~CTransUtil(void)
{
}

bool CTransUtil::Copy(AcDbObjectId entId, AcGePoint3d & ptFrom, AcGePoint3d & ptTo)
{
	AcDbObject *pEnt=NULL;
	if (acdbOpenAcDbObject(pEnt,entId,AcDb::kForRead)!=Acad::eOk)
		return FALSE;
	AcDbEntity *pCopyEnt=AcDbEntity::cast(pEnt->clone());
	pEnt->close();
	AcDbObjectId copyEntId;
	if (pCopyEnt)
		copyEntId=CUtility::PostToCurrentSpace(pCopyEnt);
	Move(copyEntId,ptFrom,ptTo);
	return true;
}

bool CTransUtil::Move(AcDbObjectId entId, AcGePoint3d & ptFrom, AcGePoint3d & ptTo)
{
	// 构建用于实现移动实体的矩阵
	AcGeVector3d vec(ptTo[X] - ptFrom[X], ptTo[Y] - ptFrom[Y],
		ptTo[Z] - ptFrom[Z]);
	AcGeMatrix3d mat;
	mat.setToTranslation(vec);
	AcDbEntity *pEnt = NULL;
	Acad::ErrorStatus es = acdbOpenObject(pEnt, entId,
		AcDb::kForWrite);
	if (es != Acad::eOk)
		return es;
	es = pEnt->transformBy(mat);
	pEnt->close();
	return es;
}