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DrawSkewImage – skewing an image by a given amount along one or both axes

DrawSkewImage – skewing an image by a given amount along one or both axes

' Skew an image by a given amount along one or both axes (the dx and dy ' parameters)' The x and y parameters are the coordinates of the upper-left point' Note: requires Imports System.Drawing.Imaging'' Example:'   Dim gr As Graphics = Me.CreateGraphics'   gr.Clear(Color.White)'   Dim bmp As New Bitmap("logo.bmp")'   DrawSkewImage(gr, bmp, 100, 400, -50, 0)'   DrawSkewImage(gr, bmp, 300, 400, 0, 50)'   DrawSkewImage(gr, bmp, 500, 400, -50, 50)'   bmp.Dispose()'   gr.Dispose()Sub DrawSkewImage(ByVal gr As Graphics, ByVal bmp As Bitmap, ByVal x As Single, _    ByVal y As Single, ByVal dx As Single, ByVal dy As Single)    ' Find the position of (x1,y1) and (x2,y2).    Dim x1 As Single = x + bmp.Width    Dim y1 As Single = y + dy    Dim x2 As Single = x + dx    Dim y2 As Single = y + bmp.Height    ' Create the points array.    Dim points() As Point = {New Point(x, y), New Point(x1, y1), New Point(x2, _        y2)}    ' Draw the skewed image    gr.DrawImage(bmp, points)End Sub' Note: This code is taken from Francesco Balena's' "Programming Microsoft Visual Basic .NET" - MS Press 2002, ISBN 0735613753' You can read a free chapter of the book at ' http://www.vb2themax.com/HtmlDoc.asp?Table=Books&ID=101000

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