//将屏幕信息转换为位图结构
CDC *pDeskDC=GetDesktopWindow()->GetDC();//获取桌面的额画图对象
int width=;
int height=;
CDC memDC;//定义一个内存画布
memDC.CreateCompatibleDC(pDeskDC);//创建一个兼容的画布
CBitmap bmp;
bmp.CreateCompatibleBitmap(pDeskDC,width,height);//创建兼容位图
memDC.SelectObject(&bmp);//选中位图对象
memDC.BitBlt(,,width,height,pDeskDC,,,SRCCOPY);//将屏幕信息绘制到位图中
。。。。
char* pData=new char[bitmap,bmWidthBytes* bitmap,bmHeight];//分配内存,存储位图的实际数据
//获取位图的实际数据
::GetDIBits(memDC.m_hDC,bmp,,bitmap.bmHeight,pData,pBInfo,DIB_RGB_COLORS);
// 客户端SOCKET通信
#include "Winsock2.h"
#pragma comment(lib,"Ws2_32.lib");
// 连接库文件
WSDATA data;
WSAStartup(,&data);//初始化套接字
hostent* phost=gethostbyname("");//获取本机信息
char* localIP=inet_ntoa(*(struct in_addr*)*phost->h_addr_list);//获取IP地址
sockaddr_in addr;
//定义一个套接字地址
addr.sin_addr.S_un.S_addr=inet_addr(localIP);//设置IP地址
addr.sin_port=htons();//设置端口号
m_Socket=socket(AF_INET,SOCK_DGRAM,);//创建UDP套接字
if(m_Socket==INVALID_SOCKET)
{
MessageBox("套接字创建失败");
//如果套接字创建失败,弹出对话框
}
char*len="";
if(setsockopt(m_Socket,SQL_SOCKET,SO_SNDBUF,len,)!=)
{
MessageBox("设置失败");
}
if(bind(m_Socket,(sockeaddr*)&addr,sizeof(addr))==SOCKET_ERROR)//绑定套接字
{
MessageBox("套接字绑定失败");
}
char* len="";
if(setsockopt(m_Socket,SOL_SOCKET,SO_SNDBUF,len,)!=)
{//设置套接字发送缓冲区大小
MessageBox("设置失败");
}
if(bind(m_Socket,(sockaddr*)&addr,sizeof(addr)==SOCKET_ERROR)//绑定套接字
{MessageBox("套接字绑定失败");
}
//在创建成功后可以调用sendto方法发送数据。
sendto(m_Socket,pPackage,packsize,,(sockaddr*)&addr,sizeof(addr));
////////////////////////////////////////////////////////////////////////////////////////////
//主窗体设计
hostent* phost=gethostbyname("");
char* localIP=inet_ntoa(*(struct in_addr*)*phost->h_addr_list);//获取IP地址
sockaddr_in addr;
addr.sin_family=AF_INET;
addr.sin_addr.S_addr=inet_addr(localIP);
addr.sin_port=htons();
m_Socket=socket(AF_INET,SOCK_DGRAM,);
if(bind(m_Socket,(sockaddr*)&addr,sizeof(addr)==SOCKET_ERROR)//绑定套接字
{
MessageBox("套接字绑定失败");
}
/////////////////////////////////////////////
sockaddr_in addr;//定义网络地址
addr.sin_family=AF_INET;//设置网络地址类型
addr.sin_port=htons(m_ClientPort);//设置网络端口号
addr.sin_addr.S_un.S_addr=inet_addr(m_ClientIP.GetBuffer());//设置IP
int size=sizeof(addr);//获取地址大小
char* pData="Confirm";//定义发送的信息
sendto(m_Socket,pData,,,(socketaddr*)&addr,size);//发送数据
atoi()//将编辑文本转换为整数。
CFont newFont,*oldFont;
//声明新字体对象,和旧字体对象。
gameFrame::gameFrame()
{
Rect rect;
Create(NULL,"绘图窗口");
//建立窗口
CClientDC dc(this);//将DC的数据映射到窗口
int width=dc.GetDeviceCaps(HORZRES);//取得屏幕区的宽度
int height=dc.GetDeviceCaps(VERTRES);//取得屏幕区的高度
GetWindowRect(&rect);//取得窗口区矩形的大小
width=(width-(rect.right-rect.left))/;
height=(height-(rect.bottom-rect.top))/;
MoveWindow(width,//移动窗口位置
height,
(rect.right-rect.left),
(rect.bottom-rect.top),
true);
//在这里建立Cfont类对象newFont
newFont.CreateFont(,,,,,
TRUE,TRUE,FALSE,
DEFAULT_CHARSET,
OUT_CHARCTER_PRECIS,
CLIP_DEFAULT_PRECIS,
DEFAULT_QUALITY,
FIXED_PITCH|FF_MODERN,
"楷体");
}
//////////////////////////////////////
LoadImage()//加载位图
CPaintDC dc(this);//建立响应WM_PAINT消息的DC
CDC *mdc=new CDC;
//声明内存dc
CBitmap * bitmap=new CBitmap;//声明CBitmap位图对象
mdc->CreateCompatibleDC(&dc);//建立于dc兼容的DC
bitmap->m_hObject=(HBITMAP)::LoadImage(NULL,"/bground.bmp",
IMAGE_BITMAP,,,LR_LOADFROMFILE);//加载位图
mdc->SelectObject(bitmap);//将位图对象指定到mdc中
//镂空原理的和运算与或运算。
OnPaint()
{
CPaintDC dc(this);
mdc->SelectObject(bgbmp);//取得背景图
//贴上背景图
dc.BitBlt(,,rect,right,rect.bottom,mdc,,,SRCCOPY);
mdc->SelectObject(bitmap);//取得原位图
//将蒙版与背景图做AND运算
dc.BitBlt(,,,,mdc,,,SRCAND);
//将要镂空的图与背景图做OR运算
dc.BitBlt(,,,,mdc,,,SRCPAINT);
}
//服务器端SOCKET
BOOL CServerDlg::OnInitDialog()
{
//获取本机IP
hostent* phost=gethostbyname("");
char* localIP=inet_ntoa(*(struct in_addr *)*phost->h_addr_list);
sockaddr_in addr;
addr.sin_family=AF_INET;
addr.sin_addr.S_un.S_addr=inet_addr(localIP);
addr.sin_port=htons();
//创建套接字
m_Socket=socket(AF_INET,SOCK_DGRAM,);
if(m_Socket==INVALID_SOCKET);
{
MessageBox("套接字创建失败");
}
//绑定套接字
if(bind(m_Socket,(sockaddr*)&addr,sizeof(addr))==SOCKET_ERROR)
{
MessageBox("套接字绑定失败");
}
m_BmpData=new char[**];
memset(m_BmpData,,**);
m_TempData=new char[**];
memset(m_TempData,,**);
m_Header=m_BmpData;
WSAAsyncSelect(m_Socket,m_hWnd,CM_RECEIVEDM,FD_READ);
m_ShowBmp=FALSE;
m_BmpSize=;
m_RecSize=;
m_ClientPort=;
CServerApp* pApp=(CServerApp*)AfxGetApp();
CString sql="select * from tb_ClientInfo";
pAp->m_DataManage.m_pRecord->CusorLocation=adUseServer;
pApp->m_DataManage.m_pRecord->Open((_bstr_t)sql,pApp->m_DataManage.m_pConnect.GetInterfacePtr(),adOpenKeyset,adLockOptimistic,adCmdText);
m_ClientIP="";
if(pApp->m_DataManage.m_pRecord->RecordCount>)
{
m_ClientIP=(char*)(_bstr_t)pApp->m_DataManage.m_pRecord->GetFields()->GetItem(0L)->Value;
}
pApp->m_DtaManage.m_pRecord->Close();
m_LeftTopX=;
m_LeftTopY=;
m_BK.SetWindowPos(NULL,,,,,SWP_NOMOVE);
return TRUE;
}
void CServerDlg::OnReceived()
{
//接收数据
char* buffer=new char[MAX_BUFF];
sockaddr_in addr;
int factsize=sizeof(sockaddr);
int ret=recvfrom(m_Socket,buffer,MAX_BUFF,,(sockaddr*)&addr,&factsize);
if(ret!=-)
{CString recvIP=inet_ntoa(addr.sin_addr);
if(recvIP!=m_ClinetIP)
{ delete []buffer;
return;
}
m_ClientPort=ntohs(addr.sin_port);
//记录接收的数据报大小
m_RecvSize+=ret;
//读取序号
WORD orderID=*(WORD)&buffer[];
WORD endID=*(WORD)&buffer[];
//读取位图的大小
int bmpsize=*(int*)&buffer[ret-];
//获取屏幕的X轴坐标
m_LeftTopX=*(WORD*)&buffer[ret-];
//获取屏幕的Y轴坐标
m_LeftTopY=*(WORD*)&buffer[ret-];
//读取结束标记
sockaddr_in addr;
addr.sin_family=AF_INET;
addr.sin_port=htons(m_ClientPort);
addr.sin_addr.S_un.S_addr=inet_addr(m_ClientIP.GetBuffer());
int size=sizeof(addr);
//发送确认信息
char* pData="Confirm";
sendto(m_Socket,pData,,,(sockaddr*)&addr,size);
if(orderID==)
{m_BmpSize=bmpsize;
m_BmpData=m_Header;
}else
m_BmpSize+=bmpsize;
memcpy(m_BmpData,&buffer[],bmpsize);
m_BmpData=m_Header;
}else
m_BmpSize+=bmpsize;
memcpy(m_BmpData,&buffer[],bmpsize);
m_BmpData+=bmpsize;
m_ShowBmp=FALSE;
if(endID==)
{ m_ShowBmp=TRUE;
m_BmpData=m_Header;
memcpy(m_TempData,m_Header,*);
ShowImage();
m_RecSize=;
}
}
delete [] buffer;
}
void CServerDlg::OnButtonDown(UINT nID)
{
if(!m_ClinetIP.IsEmpty())
{
WORD x=m_LeftTopX;
WORD y=m_LeftTopY;
char buffer[];
sockaddr_in addr;
addr.sin_family=AF_INET;
addr.,sin_port=htons(m_ClinetPort);
addr.sin_addr.S_un.S_addr=inet_addr(m_ClientIP.GetBuffer());
int size=sizeof(addr);
switch(nID)
{
case IDC_BTNDOWN:
{
y=m_LeftTopY+;
*(WORD*)&buffer[]=x;
*(WORD*)&buffer[]=y;
int ret=sendto(m_Socket,&buffer[],,,(sockaddr*)&addr,size);
break;
}
case IDC_BTUP:
{y=m_LeftTopY-;
*(WORD*)&buffer[]=x;
*(WORD*)&buffer[]=y;
int ret=sendto(m_Socket,&buffer[],,,(sockaddr*)&addr,size);
break;
}
case IDC_BTLEFT:
{
x=m_LeftTopX-;
*(WORD*)&buffer[]=x;
*(WORD*)&buffer[]=y;
int ret=sendto(m_Socket,&buffer[],,,(sockaddr*)&addr,size);
break;
}
case IDC_BTRIGHT:
{
x=m_LeftTopX+;
*(WORD*)&buffer[]=x;
*(WORD*)&buffer[]=y;
int ret=sendto(m_SOcket,&buffer[],,,(sockaddr*)&addr,size);
break;
}
case IDC_BTRESTORE:
{
*(WORD*)&buffer[]=;
*(WORD*)&buffer[]=;
int ret=sendto(m_Socket,&buffer[],,,(sockaddr*)&addr,size);
break;
}
}
}
}
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