/// <summary>
/// The imageComplete method is part of the ImageConsumer API which
/// this class must implement to retrieve the pixels.
/// <para>
/// Note: This method is intended to be called by the ImageProducer
/// of the Image whose pixels are being grabbed. Developers using
/// this class to retrieve pixels from an image should avoid calling
/// this method directly since that operation could result in problems
/// with retrieving the requested pixels.
/// </para>
/// </summary>
/// <param name="status"> the status of image loading </param>
public virtual void ImageComplete(int status)
{
lock (this)
{
Grabbing = false;
switch (status)
{
default:
goto case ImageConsumer_Fields.IMAGEERROR;
case ImageConsumer_Fields.IMAGEERROR:
Flags |= ImageObserver_Fields.ERROR | ImageObserver_Fields.ABORT;
break;
case ImageConsumer_Fields.IMAGEABORTED:
Flags |= ImageObserver_Fields.ABORT;
break;
case ImageConsumer_Fields.STATICIMAGEDONE:
Flags |= ImageObserver_Fields.ALLBITS;
break;
case ImageConsumer_Fields.SINGLEFRAMEDONE:
Flags |= ImageObserver_Fields.FRAMEBITS;
break;
}
Producer.RemoveConsumer(this);
Monitor.PulseAll(this);
}
}
/// <summary>
/// Removes an ImageConsumer from the list of consumers interested in
/// data for this image.
///
/// <para>
/// This method is public as a side effect
/// of this class implementing
/// the <code>ImageProducer</code> interface.
/// It should not be called from user code,
/// and its behavior if called from user code is unspecified.
///
/// </para>
/// </summary>
/// <seealso cref= ImageConsumer </seealso>
public virtual void RemoveConsumer(ImageConsumer ic)
{
lock (this)
{
if (Proxies != null)
{
ImageFilter imgf = (ImageFilter)Proxies[ic];
if (imgf != null)
{
Src.RemoveConsumer(imgf);
Proxies.Remove(ic);
if (Proxies.Count == 0)
{
Proxies = null;
}
}
}
}
}