GdPictureImaging.HistogramGetGreen Method

Computes the green channel histogram of a GdPicture image.

public GdPictureStatus HistogramGetGreen(
    int ImageID, 
    ref int arHistoG
);

Visual Basic

Public Function HistogramGetGreen(
    ByVal ImageID As Integer, 
    ByRef arHistoG() As Integer
) As GdPictureStatus

Parameters

Parameters	Description
ImageID	GdPicture Image Identifier.
arHistoG	Output parameter. Array of 256 entries containing the green channel histogram data.

Returns

A member of the GdPictureStatus enumeration.

Example

Copy Code

Dim oGdPictureImaging As New GdPictureImaging
Dim arHistoG(0 To 255) As Integer
Dim ImageID As Integer
 
oGdPictureImaging.SetLicenseNumber("XXX") 'Replace XXX by a demo or commercial license key
ImageID = oGdPictureImaging.CreateGdPictureImageFromFile("image.tif")
oGdPictureImaging.HistogramGetGreen(ImageID, arHistoG)
oGdPictureImaging.ReleaseGdPictureImage(ImageID)