GdPictureImaging.GetPixelArrayInteger Method

Stores into an array of Integer the ARGB pixel values of an area of a GdPicture image.

public GdPictureStatus GetPixelArrayInteger(
    int ImageID, 
    ref int arPixels, 
    int SrcLeft, 
    int SrcTop, 
    int Width, 
    int Height
);

Visual Basic

Public Function GetPixelArrayInteger(
    ByVal ImageID As Integer, 
    ByRef arPixels() As Integer, 
    ByVal SrcLeft As Integer, 
    ByVal SrcTop As Integer, 
    ByVal Width As Integer, 
    ByVal Height As Integer
) As GdPictureStatus

Parameters

Parameters	Description
ImageID	GdPicture Image Identifier.
arPixels	Output parameter. Array of pixel data.
SrcLeft	The left source pixel of the area.
SrcTop	The top source pixel of the area.
Width	The width of the area in pixel.
Height	The height of the area in pixel.

Returns

A member of the GdPictureStatus enumeration.

Related Topics

SetPixelArrayInteger

Example

usage of GetPixelArrayInteger() and SetPixelArrayInteger() functions to apply negative effect on a GdPicture image

Copy Code

Dim oGdPictureImaging As New GdPictureImaging
 
Dim arPixel() As Integer
Dim X As Integer
Dim Y As Integer
Dim ImageID As Integer
Dim ImageHeight As Integer
Dim ImageWidth As Integer
 
oGdPictureImaging.SetLicenseNumber("XXX") 'Replace XXX by a demo or commercial license key
ImageID = oGdPictureImaging.CreateGdPictureImageFromFile("image.tif")
ImageHeight = oGdPictureImaging.GetHeight(ImageID)
ImageWidth = oGdPictureImaging.GetWidth(ImageID)
 
ReDim arPixel(ImageWidth * ImageHeight)
oGdPictureImaging.GetPixelArrayInteger(ImageID, arPixel, 0, 0, ImageWidth, ImageHeight)
 
For X = 0 To ImageWidth - 1
    For Y = 0 To ImageHeight - 1
        arPixel((Y * ImageWidth) + X) = Not arPixel((Y * ImageWidth) + X)
    Next Y
Next X
oGdPictureImaging.SetPixelArrayInteger(ImageID, arPixel, 0, 0, ImageWidth, ImageHeight)
oGdPictureImaging.SaveAsTIFF(ImageID, "imageneg.tif", TiffCompression.TiffCompressionAUTO)
oGdPictureImaging.ReleaseGdPictureImage(ImageID)