ConvertTo1Bpp(Int32) Method

In This Topic

Converts a GdPicture image to a 1-bit BW indexed color image. The color table has 2 entries: 1 Black & 1 White.

Syntax

Visual Basic
C#
Delphi
JScript
Managed Extensions for C++
C++/CLI

'Declaration
 
Public Overloads Function ConvertTo1Bpp( _
   ByVal ImageID As Integer _
) As GdPictureStatus

public GdPictureStatus ConvertTo1Bpp( 
   int ImageID
)

public function ConvertTo1Bpp( 
    ImageID: Integer
): GdPictureStatus;

public function ConvertTo1Bpp( 
   ImageID : int
) : GdPictureStatus;

public: GdPictureStatus ConvertTo1Bpp( 
   int ImageID
)

public:
GdPictureStatus ConvertTo1Bpp( 
   int ImageID
)

Parameters

ImageID: GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

Is equivalent to ConvertTo1Bpp(ImageID, 160).

Example

Converts selected image to a 1-bit BW indexed color image, and saves result into a TIF file.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
    // Open an image file. An empty string allows the control to prompt for selecting a file.
    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("");
 
    gdpictureImaging.ConvertTo1Bpp(imageID);
    gdpictureImaging.SaveAsTIFF(imageID, "output.tif", TiffCompression.TiffCompressionAUTO);
 
    // Release used resources.
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members
Overload List
FxBlackNWhite(Int32,BitonalReduction) Method
FxBlackNWhiteT Method
ConvertTo1BppAT(Int32) Method
ConvertTo1BppSauvola(Int32,Single) Method
ConvertTo1BppBradley Method