The wxPython tutorial

The Graphics Device Interfacehttp://www.zetcode.com/wxpython/gdi/pen.SetCap(wx.CAP_ROUND)dc.SetPen(pen)dc.DrawLine(30, 230, 150, 230)pen2 = wx.Pen('#4c4c4c', 1, wx.SOLID)dc.SetPen(pen2)dc.DrawLine(30, 130, 30, 250)dc.DrawLine(150, 130, 150, 250)dc.DrawLine(155, 130, 155, 250)app = wx.App()JoinsCaps(None, -1, 'Joins and Caps')app.MainLoop()pen = wx.Pen('#4c4c4c', 10, wx.SOLID)In order to see the various Join and Cap styles, we need to setthe pen width to be greater than 1.dc.DrawLine(150, 130, 150, 250)dc.DrawLine(155, 130, 155, 250)Notice the two enclosing vertical lines. The distance betweenthem is 5px. It is exactly the half of the current pen width.Figure: Joins and CapsGradientsIn computer graphics, gradient is a smooth blending of shades12 de 44 27/04/2008 1:08