CreateThumbnailHQ(Int32,Int32,Int32) Method

In This Topic

Creates a High Quality thumbnail of custom size from a GdPicture image.

Syntax

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

'Declaration

 

Public Overloads Function CreateThumbnailHQ( _

   ByVal ImageID As Integer, _

   ByVal Width As Integer, _

   ByVal Height As Integer _

) As Integer

public int CreateThumbnailHQ( 

   int ImageID,

   int Width,

   int Height

)

public function CreateThumbnailHQ( 

    ImageID: Integer;

    Width: Integer;

    Height: Integer

): Integer;

public function CreateThumbnailHQ( 

   ImageID : int,

   Width : int,

   Height : int

) : int;

public: int CreateThumbnailHQ( 

   int ImageID,

   int Width,

   int Height

)

public:

int CreateThumbnailHQ( 

   int ImageID,

   int Width,

   int Height

)

Parameters

ImageID: GdPicture image identifier. The image from which the HQ thumbnail must be created.
Width: The width of the thumbnail to create.
Height: The height of the thumbnail to create.

Return Value

GdPicture image identifier. The thumbnail Image. The ReleaseGdPictureImage() method must be subsequently used to release the image from the memory.

Example

Generating a high quality custom size thumbnail from a jpeg image.

using (GdPictureImaging gdpictureImaging = new GdPictureImaging())

{

    int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg");

 

    // Create a thumbnail that is 100 pixels width and 200 pixels height.

    int thumbnailID = gdpictureImaging.CreateThumbnailHQ(imageID, 100, 200);

    gdpictureImaging.SaveAsPNG(thumbnailID, "thumbnail.png");

 

    // Release used resources.

    gdpictureImaging.ReleaseGdPictureImage(thumbnailID);

    gdpictureImaging.ReleaseGdPictureImage(imageID);

}

Example

Generating a high quality custom size thumbnail from a jpeg image. using (GdPictureImaging gdpictureImaging = new GdPictureImaging()) { int imageID = gdpictureImaging.CreateGdPictureImageFromFile("image.jpg"); // Create a thumbnail that is 100 pixels width and 200 pixels height. int thumbnailID = gdpictureImaging.CreateThumbnailHQ(imageID, 100, 200); gdpictureImaging.SaveAsPNG(thumbnailID, "thumbnail.png"); // Release used resources. gdpictureImaging.ReleaseGdPictureImage(thumbnailID); gdpictureImaging.ReleaseGdPictureImage(imageID); }

Reference

GdPictureImaging Class
GdPictureImaging Members
Overload List