GdPicture image identifier.
Example





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CropBlackBordersEx(Int32) Method

In This Topic
Detects and sets to White, margins consisting of black color around a GdPicture image. This method does not have the same behavior as the CropBlackBorders() method: The black borders are not removed but are set to blank. Therefore, the image dimensions are kept the same.
Syntax
'Declaration

 


Public Overloads Function CropBlackBordersEx( _

   ByVal ImageID As Integer _

) As GdPictureStatus
public GdPictureStatus CropBlackBordersEx( 

   int ImageID

)
public function CropBlackBordersEx( 

    ImageID: Integer

): GdPictureStatus; 
public function CropBlackBordersEx( 

   ImageID : int

) : GdPictureStatus;
public: GdPictureStatus CropBlackBordersEx( 

   int ImageID

) 
public:

GdPictureStatus CropBlackBordersEx( 

   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
Whitening the black margins on 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 set to white the black margins using the default confidence level.

    gdpictureImaging.CropBlackBordersEx(imageID);

    

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

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members
Overload List
DeleteBlackBorders Method