/// <summary>
/// PTZ 控制 开始
/// </summary>
/// <param name="nvr"></param>
/// <param name="cha"></param>
/// <param name="dir"></param>
/// <param name="speed"></param>
void NvrInterface.nvrPtzStart(int session, int cha, PTZ_DIR dir, int speed)
{
int d = 0;
int sp = (int)(speed * 0.7);
switch (dir)
{
case PTZ_DIR.UP:
d = 21;
break;
case PTZ_DIR.RIGHT:
d = 24;
break;
case PTZ_DIR.DOWN:
d = 22;
break;
case PTZ_DIR.LEFT:
d = 23;
break;
case PTZ_DIR.UP_RIGHT:
d = 26;
break;
case PTZ_DIR.DOWN_RIGHT:
d = 28;
break;
case PTZ_DIR.DONN_LEFT:
d = 27;
break;
case PTZ_DIR.UP_LEFT:
d = 25;
break;
}
CHCNetSDK.NET_DVR_PTZControlWithSpeed_Other(session - 1, cha, d, 0, sp);
}
/// <summary>
/// PTZ控制开始
/// </summary>
/// <param name="nvr"></param>
/// <param name="channel"></param>
/// <param name="dir"></param>
/// <param name="speed"></param>
public void ptzCtlStart(int nvr, int channel, PTZ_DIR dir, int speed)
{
NVR_INFO nvrInfo = (NVR_INFO)nvrConfig[nvr];
if (nvrInfo == null)
{
return;
}
if (nvrInfo.session < 1)
{
return;
}
NvrInterface nvrAdp = (NvrInterface)nvrAdapters[nvrInfo.type];
if (nvrAdp == null)
{
return;
}
nvrAdp.nvrPtzStart(nvrInfo.session, channel, dir, speed);
}
/// <summary>
/// 视频鼠移动
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void videoBox_MouseMove(object sender, MouseEventArgs e)
{
// 中心点
int m_x = this.Width / 2;
int m_y = this.Height / 2;
// 角度 -180~+180
double angle = 180 * Math.Atan2(m_y - e.Y, e.X - m_x) / Math.PI;
if (angle >= -22.5 && angle < 22.5)
{
this.Cursor = this.cur_right;
ptzDirection = PTZ_DIR.RIGHT;
}
else if (angle >= 22.5 && angle < 67.5)
{
this.Cursor = this.cur_up_right;
ptzDirection = PTZ_DIR.UP_RIGHT;
}
else if (angle >= 67.5 && angle < 112.5)
{
this.Cursor = this.cur_up;
ptzDirection = PTZ_DIR.UP;
}
else if (angle >= 112.5 && angle < 167.5)
{
this.Cursor = this.cur_up_left;
ptzDirection = PTZ_DIR.UP_LEFT;
}
else if (angle >= 167.5 || angle <= -167.5)
{
this.Cursor = this.cur_left;
ptzDirection = PTZ_DIR.LEFT;
}
else if (angle < -22.5 && angle >= -67.5)
{
this.Cursor = this.cur_down_right;
ptzDirection = PTZ_DIR.DOWN_RIGHT;
}
else if (angle < -67.5 && angle >= -112.5)
{
this.Cursor = this.cur_down;
ptzDirection = PTZ_DIR.DOWN;
}
else if (angle < -112.5 && angle >= -167.5)
{
this.Cursor = this.cur_down_left;
ptzDirection = PTZ_DIR.DONN_LEFT;
}
// 距离中心的距离（1~10）,表示PTZ速度
double i = Math.Sqrt(Math.Pow(e.X - m_x, 2) + Math.Pow(e.Y - m_y, 2));
int d = (int)((i / m_y) * 10);
if (d <= 10)
{
ptzSpeed = d;
}
else
{
ptzSpeed = 10;
}
}
