GdPicture image identifier.
Index of the color palette to swap with the second. Must be a value between 0 and PaletteGetColorsCount() - 1 returned value.
Index of the color palette to swap with the first. Must be a value between 0 and PaletteGetColorsCount() - 1 returned value.
Example





In This Topic
GdPicture14 Namespace / GdPictureImaging Class / PaletteSwapEntries Method

PaletteSwapEntries Method (GdPictureImaging)

In This Topic
Returns the color of a specific entry of the palette of a GdPicture image.
Syntax
'Declaration

 


Public Function PaletteSwapEntries( _

   ByVal ImageID As Integer, _

   ByVal Entrie1 As Integer, _

   ByVal Entrie2 As Integer _

) As GdPictureStatus
public GdPictureStatus PaletteSwapEntries( 

   int ImageID,

   int Entrie1,

   int Entrie2

)
public function PaletteSwapEntries( 

    ImageID: Integer;

    Entrie1: Integer;

    Entrie2: Integer

): GdPictureStatus; 
public function PaletteSwapEntries( 

   ImageID : int,

   Entrie1 : int,

   Entrie2 : int

) : GdPictureStatus;
public: GdPictureStatus PaletteSwapEntries( 

   int ImageID,

   int Entrie1,

   int Entrie2

) 
public:

GdPictureStatus PaletteSwapEntries( 

   int ImageID,

   int Entrie1,

   int Entrie2

)

Parameters

ImageID
GdPicture image identifier.
Entrie1
Index of the color palette to swap with the second. Must be a value between 0 and PaletteGetColorsCount() - 1 returned value.
Entrie2
Index of the color palette to swap with the first. Must be a value between 0 and PaletteGetColorsCount() - 1 returned value.

Return Value

A member of the GdPictureStatus enumeration.
Example
Opening a B&W indexed image, swapping palette entries and saving the result into a PNG 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("");

 

    if (gdpictureImaging.PaletteGetColorsCount(imageID) == 2)

    {

        // Swapping palette entries in B&W image means that the image will be inverted.

        gdpictureImaging.PaletteSwapEntries(imageID, 0, 1);

        gdpictureImaging.SaveAsPNG(imageID, "output.png");

    }

    else Console.WriteLine("The loaded image is not of B&W type!");

 

    // Release used resources.

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}
See Also

Reference

GdPictureImaging Class
GdPictureImaging Members