/// <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);
}
}
});
}
/// <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);
}