DetectBlankRectangle Method

Analyze a rectangular area of an image to determine if the amount of data there is low enough to be considered blank.

Syntax

public BlankRectangleDetectResults DetectBlankRectangle( 
   BlankRectangleDetectOptions options
)

public: BlankRectangleDetectResults* DetectBlankRectangle( 
   BlankRectangleDetectOptions* options
)

public:
BlankRectangleDetectResults^ DetectBlankRectangle( 
   BlankRectangleDetectOptions^ options
)

'Declaration
 
Public Function DetectBlankRectangle( _
   ByVal options As BlankRectangleDetectOptions _
) As BlankRectangleDetectResults

'Usage
 
Dim instance As ScanFix
Dim options As BlankRectangleDetectOptions
Dim value As BlankRectangleDetectResults
 
value = instance.DetectBlankRectangle(options)

Parameters

options: An object containing parameters that control the enhancement process.

Return Value

A BlankRectangleDetectResults object containing information about the results of the rectangle detection process.

Exceptions

Exception	Description
System.ArgumentNullException	Thrown when required argument value is null.
System.ArgumentOutOfRangeException	Thrown when argument is out of range.
System.ComponentModel.InvalidEnumArgumentException	Thrown when argument enum value is invalid.
ScanFixUnsupportedImageException	Thrown when image type is unsupported.
ScanFixException	Thrown when operation failed.

Remarks

Note: This method is designed to work with document images only. Using this with photograph images may yield inaccurate or erroneous results.

Reference

ScanFix Class
ScanFix Members