C++ CAD 高亮显示要素
void CTransUtil::ZoomWindow(AcDbDatabase* pDb, AcDbExtents& ext){
assert(pDb);
//AcDbViewportTable* pViewportTable = NULL;
//if (pDb->getViewportTable(pViewportTable, AcDb::kForRead) == Acad::eOk)
{
//AcDbViewportTableRecord* pRecord = NULL;
//if (pViewportTable->getAt(TEXT("*ACTIVE"), pRecord, AcDb::kForWrite) == Acad::eOk)
{
AcGePoint3d center = CGeometryOper::GetMiddlePoint(ext.minPoint(), ext.maxPoint());
double height = ext.maxPoint().y - ext.minPoint().y;
double width = ext.maxPoint().x - ext.minPoint().x;
/*pRecord->setCenterPoint(CGeometryOper::Pt3dTo2d(center));
pRecord->setHeight(height * 1.01);
pRecord->setWidth(width * 2.0);
pRecord->close();*/
AcDbViewTableRecord pVwRec;
pVwRec.setCenterPoint(CGeometryOper::Pt3dTo2d(center));
pVwRec.setWidth(width * 1.01);
pVwRec.setHeight(height * 2.0);
acedSetCurrentView(&pVwRec, NULL);
}
//pViewportTable->close();
}
}
ACHAR layerName;
if (acedGetString(Adesk::kFalse, _T("\n输入句柄：\n"), layerName) != RTNORM)
{
return;
}
CString nstr = layerName;
AcApDocument* pDoc = acDocManager->curDocument();
CString filePath = pDoc->fileName();
int nPos = filePath.ReverseFind(_T('\\'));
if (nPos == -1)
{
return;
}
acDocManager->lockDocument(pDoc, AcAp::kWrite, NULL, NULL, true);
AcTransaction* pTrans = actrTransactionManager->startTransaction();
if (!pTrans)
{
acDocManager->unlockDocument(pDoc);
return;
}
HRESULT hr;
AutoCAD::IAcadApplication* pAcad = nullptr;
hr = NOERROR;
LPDISPATCH pAcadDisp = acedGetIDispatch(TRUE);
hr = pAcadDisp->QueryInterface(AutoCAD::IID_IAcadApplication, (void**)&pAcad);
if (SUCCEEDED(hr)) {
//pAcad->ZoomAll();
pAcad->ZoomExtents();
pAcadDisp->Release();
pAcad->Release();
acdbHostApplicationServices()->workingDatabase()->updateExt(TRUE);
}
// 选择JZD图层上的所有多线段
struct resbuf* rb; // 结果缓冲区链表
ads_name jzdssname; //选择集名称
rb = acutBuildList(RTDXF0, TEXT("POLYLINE"), 8, _T("JZD"), AcDb::kDxfRegAppName, _T("SOUTH"), RTNONE);//LWPOLYLINE POLYLINE
acedSSGet(_T("A"), NULL, NULL, rb, jzdssname);
acutRelRb(rb);
long jzdlen;
if (RTNORM != acedSSLength(jzdssname, &jzdlen))
{
acedSSFree(jzdssname);
acDocManager->unlockDocument(acDocManager->curDocument());
return;
}
//修改鼠标等待样式
CWaitCursor WaitCursor;
ads_namesset_temp;
//遍历选择集
for (int i = 0; i < jzdlen; i++)
{
ads_name jzdent;
if (RTNORM != acedSSName(jzdssname, i, jzdent))
{
continue;
}
AcDbObjectId jzdId;
if (Acad::eOk != acdbGetObjectId(jzdId, jzdent))
{
acedSSFree(jzdent);
continue;
}
//句柄
ACHAR handbuf = { 0 };
AcDbHandle handle = jzdId.handle();
handle.getIntoAsciiBuffer(handbuf);
CString str = handbuf;
if (str == nstr)
{
AcDbObjectPointer<AcDbEntity> jzdEnt(jzdId, AcDb::kForRead);
if (Acad::eOk != jzdEnt.openStatus())
{
continue;
}
AcDbExtents ext;
if (jzdEnt->getGeomExtents(ext) == Acad::eOk) //输出实体的ext
{
CTransUtil::ZoomWindow(pDoc->database(), ext);
//acutPrintf(_T("\n找到！\n"));
}
//jzdEnt->highlight();
//acedUpdateDisplay();
acedSSAdd(jzdent, NULL, sset_temp); //初始化一个选择
break;
}
acedSSFree(jzdent);
}
acedSSFree(jzdssname);
WaitCursor.Restore();
actrTransactionManager->endTransaction();
acDocManager->unlockDocument(pDoc);
acedSSSetFirst(sset_temp, NULL);
acedSSFree(sset_temp);
acutPrintf(_T("\n完成！\n"));
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