from wxPython.wx import * #---------------------------------------------------------------------- logicList = [ ('wxAND', wxAND), ('wxAND_INVERT', wxAND_INVERT), ('wxAND_REVERSE', wxAND_REVERSE), ('wxCLEAR', wxCLEAR), ('wxCOPY', wxCOPY), ('wxEQUIV', wxEQUIV), ('wxINVERT', wxINVERT), ('wxNAND', wxNAND), # this one causes an assert on wxGTK, and doesn't seem to # do much on MSW anyway, so I'll just take it out.... #('wxNOR', wxNOR), ('wxNO_OP', wxNO_OP), ('wxOR', wxOR), ('wxOR_INVERT', wxOR_INVERT), ('wxOR_REVERSE', wxOR_REVERSE), ('wxSET', wxSET), ('wxSRC_INVERT', wxSRC_INVERT), ('wxXOR', wxXOR), ] import images class TestMaskWindow(wxScrolledWindow): def __init__(self, parent): wxScrolledWindow.__init__(self, parent, -1) self.SetBackgroundColour(wxColour(0,128,0)) # A reference bitmap that we won't mask self.bmp_nomask = images.getTestStar2Bitmap() # One that we will self.bmp_withmask = images.getTestStar2Bitmap() # this mask comes from a monochrome bitmap self.bmp_themask = images.getTestMaskBitmap() self.bmp_themask.SetDepth(1) mask = wxMask(self.bmp_themask) # set the mask on our bitmap self.bmp_withmask.SetMask(mask) # Now we'll create a mask in a bit of an easier way, by picking a # colour in the image that is to be the transparent colour. self.bmp_withcolourmask = images.getTestStar2Bitmap() mask = wxMaskColour(self.bmp_withcolourmask, wxWHITE) self.bmp_withcolourmask.SetMask(mask) self.SetScrollbars(20, 20, 700/20, 460/20) EVT_PAINT(self, self.OnPaint) def OnPaint (self, e): dc = wxPaintDC(self) self.PrepareDC(dc) dc.SetTextForeground(wxWHITE) # make an interesting background... dc.SetPen(wxMEDIUM_GREY_PEN) for i in range(100): dc.DrawLine(0,i*10,i*10,0) # draw raw image, mask, and masked images dc.DrawText('original image', 0,0) dc.DrawBitmap(self.bmp_nomask, 0,20, 0) dc.DrawText('with colour mask', 0,100) dc.DrawBitmap(self.bmp_withcolourmask, 0,120, 1) dc.DrawText('the mask image', 0,200) dc.DrawBitmap(self.bmp_themask, 0,220, 0) dc.DrawText('masked image', 0,300) dc.DrawBitmap(self.bmp_withmask, 0,320, 1) cx,cy = self.bmp_themask.GetWidth(), self.bmp_themask.GetHeight() # draw array of assorted blit operations mdc = wxMemoryDC() i = 0 for text, code in logicList: x,y = 120+150*(i%4), 20+100*(i/4) dc.DrawText(text, x, y-20) mdc.SelectObject(self.bmp_withcolourmask) dc.Blit(x,y, cx,cy, mdc, 0,0, code, true) i = i + 1 #---------------------------------------------------------------------- def runTest(frame, nb, log): win = TestMaskWindow(nb) return win #---------------------------------------------------------------------- overview = """\ """