public void Stop()
{
if (!_isAcquiring)
{
return;
}
CheckError(IMAQdx.IMAQdxStopAcquisition(session));
CheckError(IMAQdx.IMAQdxUnconfigureAcquisition(session));
_isAcquiring = false;
}
public void Start(uint bufferCount)
{
if (_isAcquiring)
{
return;
}
CheckError(IMAQdx.IMAQdxConfigureAcquisition(session, true, bufferCount));
CheckError(IMAQdx.IMAQdxStartAcquisition(session));
_isAcquiring = true;
}
public void Dispose()
{
if (isDisposed)
{
return;
}
Stop();
CheckError(IMAQdx.IMAQdxCloseCamera(session));
isDisposed = true;
}
/*
*
* /// <summary>
* /// Extract the next image
* /// </summary>
* /// <returns></returns>
* public Image8 Extract() {
* var image = new Image8(width, height);
* var bufferLength = (uint)(width * height);
* uint frameIndex;
* CheckError(IMAQdx.IMAQdxGetImageData(session, image.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeNext, 0, out frameIndex));
* return image;
* }
*
* /// <summary>
* /// Extract the next image and return its index
* /// </summary>
* /// <param name="frameIndex"></param>
* /// <returns></returns>
* public Image8 Extract(out uint frameIndex) {
* var image = new Image8(width, height);
* var bufferLength = (uint)(width * height);
* CheckError(IMAQdx.IMAQdxGetImageData(session, image.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeNext, 0, out frameIndex));
* return image;
* }
*
* /// <summary>
* /// Extract the image with the specified index
* /// </summary>
* /// <param name="frameIndex"></param>
* /// <returns></returns>
* public Image8 Extract(uint frameIndex) {
* var image = new Image8(width, height);
* uint actualFrameIndex;
* CheckError(IMAQdx.IMAQdxGetImageData(session, image.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeBufferNumber, frameIndex, out actualFrameIndex));
* if (actualFrameIndex != frameIndex)
* System.Diagnostics.Debug.WriteLine("Warning: Expected frameIndex " + frameIndex + ", got frameIndex " + actualFrameIndex);
* return image;
* }
*
* /// <summary>
* /// Extract the next image into an existing Image8
* /// </summary>
* /// <param name="imageToReuse"></param>
* public void Extract(Image8 imageToReuse) {
* if (imageToReuse.Width != width || imageToReuse.Height != height)
* throw new Exception("Cannot reuse image, dimensions should be " + width + " x " + height + ", not " + imageToReuse.Width + " x " + imageToReuse.Height);
* uint frameIndex;
* CheckError(IMAQdx.IMAQdxGetImageData(session, imageToReuse.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeNext, 0, out frameIndex));
* }
*
* /// <summary>
* /// Extract the next image into an existing Image8 and return its index
* /// </summary>
* /// <param name="frameIndex"></param>
* /// <returns></returns>
* public void Extract(Image8 imageToReuse, out uint frameIndex) {
* if (imageToReuse.Width != width || imageToReuse.Height != height)
* throw new Exception("Cannot reuse image, dimensions should be " + width + " x " + height + ", not " + imageToReuse.Width + " x " + imageToReuse.Height);
* CheckError(IMAQdx.IMAQdxGetImageData(session, imageToReuse.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeNext, 0, out frameIndex));
* }*/
/// <summary>
/// Extract the image with the specified index into an existing Image8
/// </summary>
/// <param name="frameIndex"></param>
/// <returns></returns>
public void Extract(Image8 imageToReuse, uint frameIndex)
{
uint actualFrameIndex;
CheckError(IMAQdx.IMAQdxGetImageData(session, imageToReuse.Image, bufferLength, IMAQdx.IMAQdxBufferNumberMode.IMAQdxBufferNumberModeBufferNumber, frameIndex, out actualFrameIndex));
if (actualFrameIndex != frameIndex)
{
System.Diagnostics.Debug.WriteLine("Warning: Expected frameIndex " + frameIndex + ", got frameIndex " + actualFrameIndex);
}
}
public IMAQCamera(string name)
{
CheckError(IMAQdx.IMAQdxOpenCamera(name, IMAQdx.IMAQdxCameraControlMode.IMAQdxCameraControlModeController, out session));
uint widthTemp;
uint heightTemp;
IMAQdx.IMAQdxGetAttribute(session, IMAQdx.IMAQdxAttributeWidth, IMAQdx.IMAQdxValueType.IMAQdxValueTypeU32, out widthTemp);
IMAQdx.IMAQdxGetAttribute(session, IMAQdx.IMAQdxAttributeHeight, IMAQdx.IMAQdxValueType.IMAQdxValueTypeU32, out heightTemp);
width = (int)widthTemp;
height = (int)heightTemp;
if (width % 4 != 0)
{
Width = (int)(Math.Ceiling(width / 4.0) * 4);
}
bufferLength = (uint)(width * height);
}
