//根据鼠标位置找寻窗体平绘制边框
private void FoundAndDrawWindowRect()
{
MouseAndKeyHelper.LPPOINT pt = new MouseAndKeyHelper.LPPOINT();
pt.X = MousePosition.X; pt.Y = MousePosition.Y;
IntPtr hWnd = MouseAndKeyHelper.ChildWindowFromPointEx(MouseAndKeyHelper.GetDesktopWindow(), pt,
MouseAndKeyHelper.CWP_SKIPINVISIBL | MouseAndKeyHelper.CWP_SKIPDISABLED);
if (hWnd != IntPtr.Zero)
{
IntPtr hTemp = hWnd;
while (true)
{
MouseAndKeyHelper.ScreenToClient(hTemp, out pt);
hTemp = MouseAndKeyHelper.ChildWindowFromPointEx(hWnd, pt, MouseAndKeyHelper.CWP_SKIPINVISIBL);
if (hTemp == IntPtr.Zero || hTemp == hWnd)
{
break;
}
hWnd = hTemp;
pt.X = MousePosition.X; pt.Y = MousePosition.Y; //坐标还原为屏幕坐标
}
MouseAndKeyHelper.LPRECT rect = new MouseAndKeyHelper.LPRECT();
MouseAndKeyHelper.GetWindowRect(hWnd, out rect);
imageProcessBox1.SetSelectRect(new Rectangle(rect.Left, rect.Top, rect.Right - rect.Left, rect.Bottom - rect.Top));
}
}
/// <summary>
/// 开启客户版客户端
/// </summary>
public void Start()
{
httpProxy = new HttpProxy();
_MouseAndKeyHelper = new MouseAndKeyHelper();
_mCleint = new MessageClient(this._userName, this.Dgcode);
_mCleint.OnMessage += webCient_OnMessage;
_mCleint.OnNotice += _mClient_OnNotice;
var isConnected = _mCleint.Connect();
_mCleint.isCloseing = false;
cts = new CancellationTokenSource();
if (timer == null)
{
timer = new System.Windows.Forms.Timer();
}
timer.Interval = 1000;//每秒查询一次鼠标和键盘休闲时间
timer.Tick += new EventHandler(timer_Event);
}
/// <summary>
/// 桌面共享、远程协助工具类
/// </summary>
/// <param name="userName"></param>
/// <param name="remote"></param>
public RequestRemoteHelper(string userName)
{
_MouseAndKeyHelper = new MouseAndKeyHelper();
_mCleint = new MessageClient("wenlirdp_" + userName);
_mCleint.OnMessage += webCient_OnMessage;
}
/// <summary>
/// 发送图像到远程
/// </summary>
private void SendImage()
{
Task.Factory.StartNew(() =>
{
Rectangle rectangle = new Rectangle(0, 0, Screen.AllScreens[0].Bounds.Width, Screen.AllScreens[0].Bounds.Height);
while (!_isClose)
{
if (_isStartCapture)
{
using (Bitmap desktopImage = new Bitmap(rectangle.Width, rectangle.Height))
{
using (Graphics g = Graphics.FromImage(desktopImage))
{
g.CopyFromScreen(0, 0, 0, 0, desktopImage.Size);
MouseAndKeyHelper.DrawMouse(g);
using (MemoryStream ms = ImageHelper.GetLossyCompression(desktopImage, (int)_qualityLevel, "W", 800))
{
if (desktopImage != null)
{
try
{
ms.Position = 0;
_mCleint.SendFileAsync(_remote, ms.GetBuffer());
var sec = 1000;
if (_fps > 0)
{
sec = 1000 / _fps;
}
else
{
sec = 2000;
}
Thread.Sleep(sec);
}
catch
{
}
finally
{
ms.Dispose();
g.Dispose();
desktopImage.Dispose();
}
}
}
}
}
}
else
{
Thread.Sleep(100);
}
}
});
}
private static void timer_Event(object sender, EventArgs e)
{
if (MouseAndKeyHelper.GetLastInputTime() >= 5)
{
_isSend = false;
}
else
{
_isSend = true;
}
}
//响应四个按键实现精确移动
protected override void OnKeyPress(KeyPressEventArgs e)
{
if (e.KeyChar == 'w')
{
MouseAndKeyHelper.SetCursorPos(MousePosition.X, MousePosition.Y - 1);
}
else if (e.KeyChar == 's')
{
MouseAndKeyHelper.SetCursorPos(MousePosition.X, MousePosition.Y + 1);
}
else if (e.KeyChar == 'a')
{
MouseAndKeyHelper.SetCursorPos(MousePosition.X - 1, MousePosition.Y);
}
else if (e.KeyChar == 'd')
{
MouseAndKeyHelper.SetCursorPos(MousePosition.X + 1, MousePosition.Y);
}
base.OnKeyPress(e);
}
//在桌面绘制鼠标
public static Rectangle DrawCurToScreen()
{
//如果直接将捕获当的鼠标画在bmp上 光标不会反色 指针边框也很浓 也就是说
//尽管bmp上绘制了图像 绘制鼠标的时候还是以黑色作为鼠标的背景 然后在将混合好的鼠标绘制到图像 会很别扭
//所以 干脆直接在桌面把鼠标绘制出来再截取桌面
using (Graphics g = Graphics.FromHwnd(IntPtr.Zero))
{ //传入0默认就是桌面 MouseAndKeyHelper.GetDesktopWindow()也可以
MouseAndKeyHelper.CURSORINFO pci;
pci.cbSize = System.Runtime.InteropServices.Marshal.SizeOf(typeof(MouseAndKeyHelper.CURSORINFO));
MouseAndKeyHelper.GetCursorInfo(out pci);
if (pci.hCursor != IntPtr.Zero)
{
Cursor cur = new Cursor(pci.hCursor);
Rectangle rect_cur = new Rectangle((Point)((Size)MousePosition - (Size)cur.HotSpot), cur.Size);
g.CopyFromScreen(0, 0, 0, 0, Screen.PrimaryScreen.Bounds.Size);
//g.CopyFromScreen(rect_cur.Location, rect_cur.Location, rect_cur.Size); //在桌面绘制鼠标前 先在桌面绘制一下当前的桌面图像
//如果不绘制当前桌面 那么cur.Draw的时候会是用历史桌面的快照 进行鼠标的混合 那么到时候混出现底色(测试中就是这样的)
cur.Draw(g, rect_cur);
return(rect_cur);
}
return(Rectangle.Empty);
}
}
/// <summary>
/// 每5秒发送一张整图防错
/// </summary>
public void SendImageKeep()
{
Task.Factory.StartNew(() => {
Rectangle rectangle = new Rectangle(0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
while (!_isClose)
{
try
{
if (true)
{
using (Bitmap desktopImage = new Bitmap(rectangle.Width, rectangle.Height))
{
using (Graphics g = Graphics.FromImage(desktopImage))
{
try
{
g.CopyFromScreen(0, 0, 0, 0, desktopImage.Size);
}
catch (Exception ex)
{
continue;
}
MouseAndKeyHelper.DrawMouse(g);
SendImageFile(desktopImage, g);
Thread.Sleep(secKeep);
}
}
}
}
catch (Exception ex)
{
continue;
}
}
}, cts.Token);
}
/// <summary>
/// 发送图像到远程
/// </summary>
private void SendImage()
{
Task.Factory.StartNew(() =>
{
//Bitmap lastBitmap = null;
Rectangle rectangle = new Rectangle(0, 0, Screen.PrimaryScreen.Bounds.Width, Screen.PrimaryScreen.Bounds.Height);
while (!_isClose)
{
try
{
if (true)
{
using (Bitmap desktopImage = new Bitmap(rectangle.Width, rectangle.Height))
{
using (Graphics g = Graphics.FromImage(desktopImage))
{
try
{
g.CopyFromScreen(0, 0, 0, 0, desktopImage.Size);
}
catch (Exception ex)
{
continue;
}
MouseAndKeyHelper.DrawMouse(g);
//比较此次截图与上一张截图的差异
if (lastBitmap != null)
{
List <Rectangle> rects = ImageComparer.Compare(lastBitmap, desktopImage);
lastBitmap = (Bitmap)desktopImage.Clone();
if (rects.Count == 0)//无变化不发送
{
Thread.Sleep(sec);
}
if (rects.Count <= 480)//差异小于7块则分段传输
{
Dictionary <Rectangle, Bitmap> dic = new Dictionary <Rectangle, Bitmap>();
foreach (var rect in rects)
{
Bitmap bmSmall = new Bitmap(rect.Width, rect.Height, PixelFormat.Format32bppRgb);
using (Graphics grSmall = Graphics.FromImage(bmSmall))
{
grSmall.DrawImage(desktopImage, 0, 0,
rect, GraphicsUnit.Pixel);
grSmall.Save();
grSmall.Dispose();
}
dic.Add(rect, (Bitmap)bmSmall.Clone());
}
if (dic.Count > 0)
{
_mCleint.SendFileSlice(_remote, CompressHelper.Compress(SerializeHelper.ByteSerialize(dic)));
isBigChnage = false;
Thread.Sleep(sec);
}
}
else
{//发送完整的图片
if (isBigChnage == false)
{
SendImageFile(desktopImage, g);
lastBitmap = (Bitmap)desktopImage.Clone();//要在之前否则销毁掉了
Thread.Sleep(sec);
}
else
{
isBigChnage = false;
}
}
}
else
{ //第一张图片
lastBitmap = (Bitmap)desktopImage.Clone(); //要在之前否则销毁掉了
SendImageFile(desktopImage, g);
Thread.Sleep(sec);
}
}
}
}
else
{
Thread.Sleep(100);
}
}
catch (Exception ex)
{
continue;
}
}
}, cts.Token);
}
