CProactiveImageSourceAdapter

The CProactiveImageSourceAdapter class is an abstract base class that extends the CImageSourceAdapter class. It provides an interface for proactively fetching images in a separate thread.

Definition

Namespace: dynamsoft::utility

Assembly: DynamsoftUtility

class CProactiveImageSourceAdapter: public CImageSourceAdapter

Methods Summary

Method	Description
`FetchImage`	This method needs to be implemented in the derived class. It is called in a loop in the Fetching thread to obtain images.
`SetImageFetchInterval`	Sets the time interval for the ImageSource to wait before attempting to fetch another image to put in the buffer.
`GetImageFetchInterval`	Gets the time interval for the ImageSource to wait before attempting to fetch another image to put in the buffer.

FetchImage

This method needs to be implemented in the derived class. It is called in a loop in the Fetching thread to obtain images.

virtual CImageData* FetchImage() = 0;

Return value

Returns a pointer to the CImageData object representing the fetched image.

See Also

CImageData

SetImageFetchInterval

Sets the time interval for the ImageSource to wait before attempting to fetch another image to put in the buffer.

void SetImageFetchInterval(int milliseconds);

Parameters

[in] milliseconds - Specifies the wait time in milliseconds. If set to -1, the ImageSource does not proactively fetch images.

GetImageFetchInterval

Gets the time interval for the ImageSource to wait before attempting to fetch another image to put in the buffer.

int GetImageFetchInterval();

Return value

Returns the wait time in milliseconds. If the value is -1, the ImageSource does not proactively fetch images.