Files
TetraParkOCR/LibCamera/CameraDriver.cs
2025-12-26 14:54:32 +08:00

85 lines
2.8 KiB
C#

using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using ThridLibray;
namespace LibCamera
{
public class CameraDriver : ICameraDriver
{
public event OnCameraImage OnCameraImage;
private IDevice m_dev_cam;
private bool camOpened;
public void Initialize(string serial, string pixelFormat, double exposure, double gain)
{
try
{
camOpened = false;
List<IDeviceInfo> deviceList = Enumerator.EnumerateDevices();
m_dev_cam = Enumerator.GetDeviceByKey(serial);
if (m_dev_cam == null)
return;
if (!m_dev_cam.Open())
return;
using (IEnumParameter p = m_dev_cam.ParameterCollection[ParametrizeNameSet.ImagePixelFormat])
{
p.SetValue(pixelFormat);
}
using (IFloatParameter p = m_dev_cam.ParameterCollection[ParametrizeNameSet.ExposureTime])
{
p.SetValue(exposure);
}
using (IFloatParameter p = m_dev_cam.ParameterCollection[ParametrizeNameSet.GainRaw])
{
p.SetValue(gain);
}
using (IEnumParameter p = m_dev_cam.ParameterCollection[ParametrizeNameSet.AcquisitionMode])
{
p.SetValue("Continuous");
}
using (IEnumParameter p = m_dev_cam.ParameterCollection[ParametrizeNameSet.TriggerMode])
{
p.SetValue("On");
}
m_dev_cam.StreamGrabber.ImageGrabbed += StreamGrabber_ImageGrabbed;
m_dev_cam.TriggerSet.Open(TriggerSourceEnum.Software);
if (!m_dev_cam.GrabUsingGrabLoopThread())
return;
camOpened = true;
}
catch (Exception ex)
{
camOpened = false;
m_dev_cam = null;
}
}
private void StreamGrabber_ImageGrabbed(object sender, GrabbedEventArgs e)
{
OnCameraImage?.Invoke(e.GrabResult.ToBitmap(true));
}
public void Stop()
{
if (!IsOpened())
return;
m_dev_cam.StreamGrabber.ImageGrabbed -= StreamGrabber_ImageGrabbed;
m_dev_cam.ShutdownGrab();
m_dev_cam.Dispose();
m_dev_cam = null;
}
public void GrabImage()
{
if (!IsOpened())
return;
m_dev_cam?.ExecuteSoftwareTrigger();
}
public bool IsOpened()
{
return m_dev_cam != null && camOpened;
}
}
}