SetColorRemap Method

In This Topic

Applies a color-remap table to a GdPicture image.

Syntax

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

'Declaration
 
Public Function SetColorRemap( _
   ByVal ImageID As Integer, _
   ByVal RemapTable() As ColorMap _
) As GdPictureStatus

public GdPictureStatus SetColorRemap( 
   int ImageID,
   ColorMap[] RemapTable
)

public function SetColorRemap( 
    ImageID: Integer;
    RemapTable: ColorMaparray of
): GdPictureStatus;

public function SetColorRemap( 
   ImageID : int,
   RemapTable : ColorMap[]
) : GdPictureStatus;

public: GdPictureStatus SetColorRemap( 
   int ImageID,
   ColorMap*[]* RemapTable
)

public:
GdPictureStatus SetColorRemap( 
   int ImageID,
   array<ColorMap^>^ RemapTable
)

Parameters

ImageID: GdPicture image identifier.
RemapTable: Array which specifies the color remap table. Each entry is a Imaging.ColorMap oGdPictureImaging.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

This method requires the Image Documents component to run.

Example

Replacing shades of red by shades of blue within a an image.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.bmp");
 
    // Create the table.
    System.Drawing.Imaging.ColorMap[] RemapTable = new System.Drawing.Imaging.ColorMap[256];
    for (int index = 0; index < 256; index++)
    {
        System.Drawing.Imaging.ColorMap remap = new System.Drawing.Imaging.ColorMap();
        remap.NewColor = Color.FromArgb(0, 0, index);
        remap.OldColor = Color.FromArgb(index, 0, 0);
        RemapTable[index] = remap;
    }
 
    // Apply the table.
    gdpictureImaging.SetColorRemap(imageID, RemapTable);
    gdpictureImaging.SaveAsJPEG(imageID, "image.jpg", 75);
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members