imViewer_Simple.py 文件源码

def OnPaint(self, event):
        "Window 'paint' event."
        dc = wx.PaintDC(self.imView)
        dc = wx.BufferedDC(dc)

        # paint a background just so it isn't *so* boring.
        dc.SetBackground(wx.Brush("WHITE"))
        dc.Clear()
        dc.SetBrush(wx.Brush("GREY", wx.CROSSDIAG_HATCH))
        windowsize = self.imView.GetSizeTuple()
        dc.DrawRectangle(0, 0, windowsize[0], windowsize[1])
        bmpX0 = 0
        bmpY0 = 0
        if self.bitmap is not None:
            if self.loadCentered:
                bmpX0 = (windowsize[0] - self.bitmap.Width) / 2
                bmpY0 = (windowsize[1] - self.bitmap.Height) / 2
            dc.DrawBitmap(self.bitmap, bmpX0, bmpY0, False)

    # ------------------------------------------------------------
    #  ImFrame.ConvertWXToPIL()
    #  Expropriated from Andrea Gavana's
    #  ShapedButton.py in the wxPython dist
    # ------------------------------------------------------------