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1 | ||
2 | import wx # This module uses the new wx namespace | |
3 | from Main import opj | |
4 | ||
5 | ||
6 | #---------------------------------------------------------------------- | |
7 | ||
8 | msg = "This is some text that will appear behind the image..." | |
9 | ||
10 | class TestPanel(wx.Panel): | |
11 | def __init__(self, parent, log): | |
12 | self.log = log | |
13 | wx.Panel.__init__(self, parent, -1) | |
14 | ||
15 | self.Bind(wx.EVT_PAINT, self.OnPaint) | |
16 | ||
17 | ||
18 | def OnPaint(self, evt): | |
19 | dc = wx.PaintDC(self) | |
20 | dc.SetBackground(wx.Brush("WHITE")) | |
21 | dc.Clear() | |
22 | ||
23 | dc.SetFont(wx.Font(16, wx.SWISS, wx.NORMAL, wx.BOLD, True)) | |
24 | dc.DrawText("Bitmap alpha blending (on wxMSW and wxMac only)", | |
25 | 25,25) | |
26 | ||
27 | bmp = wx.Bitmap(opj('bitmaps/toucan.png')) | |
28 | if "__WXGTK__" in wx.PlatformInfo: | |
29 | # try to make up for it a bit... | |
30 | bmp.SetMaskColour("black") | |
31 | ||
32 | dc.DrawBitmap(bmp, 25,100, True) | |
33 | ||
34 | dc.SetFont(self.GetFont()) | |
35 | y = 75 | |
36 | for line in range(10): | |
37 | y += dc.GetCharHeight() + 5 | |
38 | dc.DrawText(msg, 200, y) | |
39 | dc.DrawBitmap(bmp, 250,100, True) | |
40 | ||
41 | ||
42 | ||
43 | #---------------------------------------------------------------------- | |
44 | ||
45 | def runTest(frame, nb, log): | |
46 | win = TestPanel(nb, log) | |
47 | return win | |
48 | ||
49 | #---------------------------------------------------------------------- | |
50 | ||
51 | ||
52 | ||
53 | overview = """<html><body> | |
54 | <h2><center>Images with Alpha</center></h2> | |
55 | ||
56 | wxMSW and wxMac now support alpha channels of supported image | |
57 | types, and will properly blend that channel when drawing a | |
58 | bitmap. It is not supported yet on wxGTK, (if you would like to | |
59 | change that please submit a patch!) | |
60 | ||
61 | <p>On wxGTK this demo turns the alpha channel into a 1-bit mask, so | |
62 | yes, it looks like crap. Please help us fix it! | |
63 | ||
64 | </body></html> | |
65 | """ | |
66 | ||
67 | ||
68 | ||
69 | if __name__ == '__main__': | |
70 | import sys,os | |
71 | import run | |
72 | run.main(['', os.path.basename(sys.argv[0])] + sys.argv[1:]) | |
73 |