--- /dev/null
+
+import wx
+
+#----------------------------------------------------------------------
+
+class TestPanel(wx.Panel):
+ def __init__(self, parent, log):
+ self.log = log
+ wx.Panel.__init__(self, parent, -1)
+
+ wx.StaticText(self, -1,
+ "On the Mac these squares should be transparent,\n"
+ "if the CoreGrahics option is turned on.",
+ (20, 20))
+
+ self.Bind(wx.EVT_PAINT, self.OnPaint)
+
+ def OnPaint(self, evt):
+ dc = wx.PaintDC(self)
+ rect = wx.Rect(0,0, 100, 100)
+ for RGB, pos in [((178, 34, 34), ( 50, 70)),
+ (( 35, 142, 35), (110, 130)),
+ (( 0, 0, 139), (170, 70))
+ ]:
+ r, g, b = RGB
+ penclr = wx.Colour(r, g, b, wx.ALPHA_OPAQUE)
+ brushclr = wx.Colour(r, g, b, 128) # half transparent
+ dc.SetPen(wx.Pen(penclr))
+ dc.SetBrush(wx.Brush(brushclr))
+ rect.SetPosition(pos)
+ dc.DrawRectangleRect(rect)
+
+
+#----------------------------------------------------------------------
+
+def runTest(frame, nb, log):
+ win = TestPanel(nb, log)
+ return win
+
+#----------------------------------------------------------------------
+
+
+
+overview = """<html><body>
+<h2><center>Alpha Drawing</center></h2>
+
+The wx.DC on Mac now supports alpha transparent drawing using pens and
+brushes. This is accomplished by enabling the wx.Colour class to have
+a fourth component for the alpha value, where 0 is fully transparent,
+and 255 is fully opaque.
+
+</body></html>
+"""
+
+
+
+if __name__ == '__main__':
+ import sys,os
+ import run
+ run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
+
projects / wxWidgets.git / commitdiff
