demo to match. Also fixed some deprecation warnings. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@27049 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
		
			
				
	
	
		
			133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			133 lines
		
	
	
		
			3.9 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| 
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| import  wx
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| 
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| #----------------------------------------------------------------------
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| 
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| logicList = [
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|     ('wx.AND', wx.AND),
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|     ('wx.AND_INVERT', wx.AND_INVERT),
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|     ('wx.AND_REVERSE', wx.AND_REVERSE),
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|     ('wx.CLEAR', wx.CLEAR),
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|     ('wx.COPY', wx.COPY),
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|     ('wx.EQUIV', wx.EQUIV),
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|     ('wx.INVERT', wx.INVERT),
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|     ('wx.NAND', wx.NAND),
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| 
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|     # this one causes an assert on wxGTK, and doesn't seem to
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|     # do much on MSW anyway, so I'll just take it out....
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|     #('wxNOR', wxNOR),
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| 
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|     ('wx.NO_OP', wx.NO_OP),
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|     ('wx.OR', wx.OR),
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|     ('wx.OR_INVERT', wx.OR_INVERT),
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|     ('wx.OR_REVERSE', wx.OR_REVERSE),
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|     ('wx.SET', wx.SET),
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|     ('wx.SRC_INVERT', wx.SRC_INVERT),
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|     ('wx.XOR', wx.XOR),
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| ]
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| 
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| import images
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| 
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| class TestMaskWindow(wx.ScrolledWindow):
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|     def __init__(self, parent):
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|         wx.ScrolledWindow.__init__(self, parent, -1)
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|         self.SetBackgroundColour(wx.Colour(0,128,0))
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| 
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|         # A reference bitmap that we won't mask
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|         self.bmp_nomask  = images.getTestStar2Bitmap()
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| 
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|         # One that we will
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|         self.bmp_withmask  = images.getTestStar2Bitmap()
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| 
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|         # this mask comes from a monochrome bitmap
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|         self.bmp_themask = images.getTestMaskBitmap()
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|         mask = wx.Mask(self.bmp_themask)
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| 
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|         # set the mask on our bitmap
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|         self.bmp_withmask.SetMask(mask)
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| 
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|         # Now we'll create a mask in a bit of an easier way, by picking a
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|         # colour in the image that is to be the transparent colour.
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|         self.bmp_withcolourmask  = images.getTestStar2Bitmap()
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|         mask = wx.Mask(self.bmp_withcolourmask, wx.WHITE)
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|         self.bmp_withcolourmask.SetMask(mask)
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| 
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|         self.SetScrollbars(20, 20, 700/20, 460/20)
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| 
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|         self.Bind(wx.EVT_PAINT, self.OnPaint)
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| 
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| 
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|     def OnPaint (self, e):
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|         self.SetBackgroundColour(wx.Colour(0,128,0))
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|         dc = wx.PaintDC(self)
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|         self.PrepareDC(dc)
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|         dc.SetTextForeground(wx.WHITE)
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| 
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|         # make an interesting background...
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|         dc.SetPen(wx.MEDIUM_GREY_PEN)
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|         for i in range(100):
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|             dc.DrawLine(0,i*10, i*10,0)
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| 
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|         # draw raw image, mask, and masked images
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|         dc.DrawText('original image', 0,0)
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|         dc.DrawBitmap(self.bmp_nomask, 0,20, 0)
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|         dc.DrawText('with colour mask', 0,100)
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|         dc.DrawBitmap(self.bmp_withcolourmask, 0,120, 1)
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|         dc.DrawText('the mask image', 0,200)
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|         dc.DrawBitmap(self.bmp_themask, 0,220, 0)
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|         dc.DrawText('masked image', 0,300)
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|         dc.DrawBitmap(self.bmp_withmask, 0,320, 1)
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| 
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|         cx,cy = self.bmp_themask.GetWidth(), self.bmp_themask.GetHeight()
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| 
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|         # draw array of assorted blit operations
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|         mdc = wx.MemoryDC()
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|         i = 0
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| 
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|         for text, code in logicList:
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|             x,y = 120+150*(i%4), 20+100*(i/4)
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|             dc.DrawText(text, x, y-20)
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|             mdc.SelectObject(self.bmp_withcolourmask)
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|             dc.Blit(x,y, cx,cy, mdc, 0,0, code, True)
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|             i = i + 1
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| 
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| 
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| # On wxGTK there needs to be a panel under wx.ScrolledWindows if they are
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| # going to be in a wxNotebook...
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| class TestPanel(wx.Panel):
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|     def __init__(self, parent, ID):
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|         wx.Panel.__init__(self, parent, ID)
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|         self.win = TestMaskWindow(self)
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|         self.Bind(wx.EVT_SIZE, self.OnSize)
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| 
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|     def OnSize(self, evt):
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|         self.win.SetSize(evt.GetSize())
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| 
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| 
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| #----------------------------------------------------------------------
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| 
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| def runTest(frame, nb, log):
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|     win = TestPanel(nb, -1)
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|     return win
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| 
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| #----------------------------------------------------------------------
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| 
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| 
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| overview = """\
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| This class encapsulates a monochrome mask bitmap, where the masked area is black 
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| and the unmasked area is white. When associated with a bitmap and drawn in a device 
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| context, the unmasked area of the bitmap will be drawn, and the masked area will 
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| not be drawn.
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| 
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| This example shows not only how to create a Mask, but the effects of the Device
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| Context (dc) <code>Blit()</code> method's logic codes.
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| """
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| 
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| 
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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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| 
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