Crop Method (GdPictureImaging)

In This Topic

Crops a custom area of a GdPicture image.

Syntax

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

'Declaration
 
Public Function Crop( _
   ByVal ImageID As Integer, _
   ByVal Left As Integer, _
   ByVal Top As Integer, _
   ByVal Width As Integer, _
   ByVal Height As Integer _
) As GdPictureStatus

public GdPictureStatus Crop( 
   int ImageID,
   int Left,
   int Top,
   int Width,
   int Height
)

public function Crop( 
    ImageID: Integer;
    Left: Integer;
    Top: Integer;
    Width: Integer;
    Height: Integer
): GdPictureStatus;

public function Crop( 
   ImageID : int,
   Left : int,
   Top : int,
   Width : int,
   Height : int
) : GdPictureStatus;

public: GdPictureStatus Crop( 
   int ImageID,
   int Left,
   int Top,
   int Width,
   int Height
)

public:
GdPictureStatus Crop( 
   int ImageID,
   int Left,
   int Top,
   int Width,
   int Height
)

Parameters

ImageID: GdPicture image identifier.
Left: Left source pixel.
Top: Top source pixel.
Width: Width in pixel.
Height: Height in pixel.

Return Value

A member of the GdPictureStatus enumeration.

Remarks

This method requires the Image Documents component to run.

Example

Cropping from a jpeg image.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())
{
    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg");
 
    // Remove 5% all around the image.
    int height = gdpictureImaging.GetHeight(imageID);
    int width = gdpictureImaging.GetWidth(imageID);
    gdpictureImaging.Crop(imageID, width * 5 / 100, height * 5 / 100, width * 90 / 100, height * 90 / 100);
    gdpictureImaging.SaveAsPNG(imageID, "crop.png");
    gdpictureImaging.ReleaseGdPictureImage(imageID);
}

Reference

GdPictureImaging Class
GdPictureImaging Members