2006-09-08 14:16:06 -04:00
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import wx
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#----------------------------------------------------------------------
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class TestPanel(wx.Panel):
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def __init__(self, parent, log):
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self.log = log
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wx.Panel.__init__(self, parent, -1)
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self.Bind(wx.EVT_PAINT, self.OnPaint)
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2006-09-08 16:08:21 -04:00
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txt = "On the Mac these squares should be transparent, if the\n" \
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"CoreGraphics option is turned on. "
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if "wxMac" in wx.PlatformInfo:
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txt += "This build of wxPython\n" \
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"%s have the CoreGraphics option turned on." \
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% ("mac-cg" in wx.PlatformInfo and "DOES" or "DOS NOT")
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wx.StaticText(self, -1, txt, (20, 20))
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2006-09-08 14:16:06 -04:00
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def OnPaint(self, evt):
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dc = wx.PaintDC(self)
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rect = wx.Rect(0,0, 100, 100)
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2006-09-08 16:08:21 -04:00
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for RGB, pos in [((178, 34, 34), ( 50, 90)),
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(( 35, 142, 35), (110, 150)),
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(( 0, 0, 139), (170, 90))
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2006-09-08 14:16:06 -04:00
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]:
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r, g, b = RGB
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penclr = wx.Colour(r, g, b, wx.ALPHA_OPAQUE)
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brushclr = wx.Colour(r, g, b, 128) # half transparent
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dc.SetPen(wx.Pen(penclr))
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dc.SetBrush(wx.Brush(brushclr))
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rect.SetPosition(pos)
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2006-09-09 14:14:43 -04:00
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dc.DrawRoundedRectangleRect(rect, 8)
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2006-09-08 14:16:06 -04:00
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#----------------------------------------------------------------------
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def runTest(frame, nb, log):
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win = TestPanel(nb, log)
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return win
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#----------------------------------------------------------------------
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overview = """<html><body>
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<h2><center>Alpha Drawing</center></h2>
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The wx.DC on Mac now supports alpha transparent drawing using pens and
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brushes. This is accomplished by enabling the wx.Colour class to have
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a fourth component for the alpha value, where 0 is fully transparent,
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and 255 is fully opaque.
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2006-09-08 16:08:21 -04:00
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<p>You can consider this a \"preview of coming attractions\" for the
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other platforms.
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2006-09-08 14:16:06 -04:00
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</body></html>
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"""
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if __name__ == '__main__':
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import sys,os
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import run
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run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:])
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