FxHalo Method (GdPictureImaging)

In This Topic

Performs a halo effect on a GdPicture image or on an area of a GdPicture image defined by SetROI() method.

Syntax

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

'Declaration

 

Public Function FxHalo( _

   ByVal ImageID As Integer, _

   ByVal Left As Integer, _

   ByVal Top As Integer, _

   ByVal Radius As Integer _

) As GdPictureStatus

public GdPictureStatus FxHalo( 

   int ImageID,

   int Left,

   int Top,

   int Radius

)

public function FxHalo( 

    ImageID: Integer;

    Left: Integer;

    Top: Integer;

    Radius: Integer

): GdPictureStatus;

public function FxHalo( 

   ImageID : int,

   Left : int,

   Top : int,

   Radius : int

) : GdPictureStatus;

public: GdPictureStatus FxHalo( 

   int ImageID,

   int Left,

   int Top,

   int Radius

)

public:

GdPictureStatus FxHalo( 

   int ImageID,

   int Left,

   int Top,

   int Radius

)

Parameters

ImageID: GdPicture image identifier.
Left: The left destination of the halo.
Top: The top destination of the halo.
Radius: The halo radius.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

This method is used in the "Image Processing" Demo.

Example

Adding a halo effect to your 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.jpg", true);

 

    // Set the location and the size for the effect.

    int left = 1000;

    int top = 500;

    int radius = 500;

 

    // Apply the halo effect to your image.

    gdpictureImaging.FxHalo(imageID, left, top, radius);

    gdpictureImaging.SaveAsJPEG(imageID, "image.jpg");

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}

Reference

GdPictureImaging Class
GdPictureImaging Members
SetROI Method
ResetROI Method