ConvertTo8Bpp216 Method (GdPictureImaging)

In This Topic

Converts a GdPicture image to an 8-bit indexed color image using a standard color palette. This method uses an automatic segmentation components algorithm. The color table has a maximum of 256 entries but only 216 will be used.

Syntax

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

'Declaration
 
Public Function ConvertTo8Bpp216( _
   ByVal ImageID As Integer _
) As GdPictureStatus

public GdPictureStatus ConvertTo8Bpp216( 
   int ImageID
)

public function ConvertTo8Bpp216( 
    ImageID: Integer
): GdPictureStatus;

public function ConvertTo8Bpp216( 
   ImageID : int
) : GdPictureStatus;

public: GdPictureStatus ConvertTo8Bpp216( 
   int ImageID
)

public:
GdPictureStatus ConvertTo8Bpp216( 
   int ImageID
)

Parameters

ImageID: GdPicture image identifier.

Return Value

A member of the GdPictureStatus enumeration.

Example

Converting a bmp to a png and setting white as transparent color.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.bmp", false);
 
    // Convert to an 8-bit indexed color image using a standard color palette, set white as transparent and save to png.
    gdpictureImaging.ConvertTo8Bpp216(imageID);
    gdpictureImaging.PaletteSetTransparentColor(imageID, Color.White);
    gdpictureImaging.SaveAsPNG(imageID, "image.png", 6, false);
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members