/// <summary>
/// 视频绘图
/// </summary>
/// <param name="e"></param>
protected virtual void OnVideoPaint(VideoPaintEventArgs e)
{
if (this.VideoPaint != null) this.VideoPaint(this, e);
}
protected override void OnVideoPaint(VideoPaintEventArgs e)
{
Graphics G = e.Graphics;
#region 绘制虚拟按钮
VirtualButton.VirtualPaint(this, G);
#endregion
#region 绘制选择框
if (this.isSelected)
{
Rectangle rectSelected = new Rectangle(0, 0, this.Width - 3, this.Height - 2);
VirtualBase.DrawRectangle(G, Pens.Lime, rectSelected);
}
#endregion
#region 绘制报警框
if (this.group == null && this.alarmCount != 0) this.alarmCount = 0;
if (this.group != null && this.group.AlarmCount > 0 && this.group.AlarmCount > this.alarmCount)
{
if (swAlarm.ElapsedMilliseconds < 500)
{
alarmIndex %= this.group.AlarmCount;
AlarmInfo alarm = this.group[alarmIndex];
float w = (float)this.Width / (float)this.VideoWidth;
float h = (float)this.Height / (float)this.VideoHeight;
for (int i = 0; i < alarm.AlarmRegion.Length; i++)
{
RectangleF rectAlarm = new RectangleF(
alarm.AlarmRegion[i].X * w,
alarm.AlarmRegion[i].Y * h,
alarm.AlarmRegion[i].Width * w,
alarm.AlarmRegion[i].Height * h);
Color colorAlarm = Color.FromArgb(
((AlarmRegionEnum)alarm.AlarmRegionType[i] & AlarmRegionEnum.Fire) == AlarmRegionEnum.Fire ? 255 : 0,
((AlarmRegionEnum)alarm.AlarmRegionType[i] & AlarmRegionEnum.Smoke) == AlarmRegionEnum.Smoke ? 255 : 0,
((AlarmRegionEnum)alarm.AlarmRegionType[i] & AlarmRegionEnum.Motion) == AlarmRegionEnum.Motion ? 255 : 0);
using (Pen pen = new Pen(colorAlarm))
{
VirtualBase.DrawRectangle(G, pen, Rectangle.Round(rectAlarm));
}
}
Pen penAlarm = new Pen(Color.Red, 3f);
VirtualBase.DrawRectangle(G, penAlarm, new Rectangle(2, 2, this.Width - 7, this.Height - 6));
penAlarm.Dispose();
}
else if (swAlarm.ElapsedMilliseconds > 1000)
{
alarmIndex++;
swAlarm.Reset();
swAlarm.Start();
}
}
else if (alarmIndex != 0) alarmIndex = 0;
#endregion
base.OnVideoPaint(e);
}
