void CMyDlg::OnCreateLine()
{
// TODO: Add your control notification handler code here
acDocManager->lockDocument(curDoc());
int i;
int m, n;
char *buf = (char*)malloc(20);
AcDbObjectId LineId;
AcDbLine *pLine = NULL;
//块表
AcDbBlockTable *pTb = NULL;
//块表记录
AcDbBlockTableRecord *pTbr = NULL;
//层表
AcDbLayerTable *pLyr = NULL;
//层表记录
AcDbLayerTableRecord* pLyrr = NULL;
//图形数据库
AcDbDatabase *pDb = acdbHostApplicationServices()->workingDatabase();
Acad::ErrorStatus es;
CListCtrl *pListCtr = (CListCtrl *)GetDlgItem( IDC_LIST1 );
//设置随机数种子
srand(time(NULL));
//更新数据
UpdateData(TRUE);
m_VecSize += m_Edit5;
m_xVec.resize(m_VecSize);
m_yVec.resize(m_VecSize);
//acutPrintf("%d\n", m_Edit1);
es = pDb->getLayerTable(pLyr, AcDb::kForWrite); //以写的方式打开层表
es = pDb->getBlockTable(pTb, AcDb::kForRead); //以读的方式打开块表
es = pTb->getAt(ACDB_MODEL_SPACE, pTbr, AcDb::kForWrite);//以写的方式打开块表记录
//创建图层GalLineTest
if (!pLyr->has("GalLineTest"))
{
pLyrr = new AcDbLayerTableRecord; //创建层记录
pLyrr->setName("GalLineTest"); //设置名字
//pLyrr->setColor(color); //设置颜色
//pLyrr->setLineWeight(lnWt); //设置线宽
if (Acad::eOk != pLyr->add(pLyrr)) //添加该层记录到层表
{
//添加失败
delete pLyrr; //释放内存
pLyr->close(); //关闭层表
}
//关闭层表记录
pLyrr->close();
}
//关闭层表
pLyr->close();
//生成点坐标
for (i = 0; i < m_Edit5; ++i)
{
if ((m_Edit2 != 0) && (m_Edit4 != 0))
{
m_xVec[i] = rand() % m_Edit2 + m_Edit1;
m_yVec[i] = rand() % m_Edit4 + m_Edit3;
}
else
{
m_xVec[i] = 0;
m_yVec[i] = 0;
}
}
//遍历点坐标
for (m = 0; m < m_Edit5; ++m)
{
for (n = (m+1); n < m_Edit5; ++n)
{
if ((m_xVec[m] != m_xVec[n]) && (m_yVec[m] != m_yVec[n]))
{
AcGePoint3d ptStart(m_xVec[m], m_yVec[m], 0);
AcGePoint3d ptEnd(m_xVec[n], m_yVec[n], 0);
pLine = new AcDbLine(ptStart, ptEnd);
//pLine->setColor();
pLine->setLayer("GalLineTest");
//创建线段
es = pTbr->appendAcDbEntity(LineId, pLine);
if (Acad::eOk == es)
{
++m_lLineCnt;
}
//acutPrintf("%d\n", LineId);
sprintf(buf, "%d", LineId);
m_ListCtr.InsertItem(m_Row, buf);
buf = itoa(pLine->colorIndex(), buf, 10);
m_ListCtr.SetItemText(m_Row, 1, buf);
buf = itoa(LineLength(m_xVec[m], m_yVec[m],
m_xVec[n], m_yVec[n]), buf, 10);
m_ListCtr.SetItemText(m_Row, 2, buf);
++m_Row;
pLine->close(); //关闭实体
}
}
}
pTbr->close(); //关闭块表记录
pTb->close(); //关闭块表
acDocManager->unlockDocument(curDoc());
free(buf);
}
