Rotate Method (GdPictureImaging)

In This Topic

Rotates clock-wise or flips a GdPicture image.

Syntax

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

'Declaration
 
Public Function Rotate( _
   ByVal ImageID As Integer, _
   ByVal Rotation As GdPictureRotateFlipType _
) As GdPictureStatus

public GdPictureStatus Rotate( 
   int ImageID,
   GdPictureRotateFlipType Rotation
)

public function Rotate( 
    ImageID: Integer;
    Rotation: GdPictureRotateFlipType
): GdPictureStatus;

public function Rotate( 
   ImageID : int,
   Rotation : GdPictureRotateFlipType
) : GdPictureStatus;

public: GdPictureStatus Rotate( 
   int ImageID,
   GdPictureRotateFlipType Rotation
)

public:
GdPictureStatus Rotate( 
   int ImageID,
   GdPictureRotateFlipType Rotation
)

Parameters

ImageID: GdPicture image identifier.
Rotation: A member of the RotateFlipType enumeration.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

This method requires the Image Documents component to run.

Example

Rotating a jpeg 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);
 
    // Rotate the image by 90°.
    gdpictureImaging.Rotate(imageID, RotateFlipType.Rotate90FlipNone);
    gdpictureImaging.SaveAsJPEG(imageID, "image.jpg", 75);
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members