GdPicture image identifier.
Example





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CropBlackBorders(Int32) Method

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Detects and removes margins consisting of black color around a GdPicture image.
Syntax
'Declaration

 


Public Overloads Function CropBlackBorders( _

   ByVal ImageID As Integer _

) As GdPictureStatus
public GdPictureStatus CropBlackBorders( 

   int ImageID

)
public function CropBlackBorders( 

    ImageID: Integer

): GdPictureStatus; 
public function CropBlackBorders( 

   ImageID : int

) : GdPictureStatus;
public: GdPictureStatus CropBlackBorders( 

   int ImageID

) 
public:

GdPictureStatus CropBlackBorders( 

   int ImageID

)

Parameters

ImageID
GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.
Remarks

This method or an overload of it is used in the "Image Processing" Demo.

Example
Removing the black margins from a black and white tiff image. 
using (GdPictureImaging gdpictureImaging = new GdPictureImaging())

{

    // LoadInMemory parameter is set to true in order to be able to update the input file.

    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.tif", true);

 

    // Detect and remove the black margins using the default confidence level.

    gdpictureImaging.CropBlackBorders(imageID);

    

    gdpictureImaging.SaveAsTIFF(imageID, "image.tif", TiffCompression.TiffCompressionCCITT4);

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
Overload List
DeleteBlackBorders Method