| | 1 | import wx |
| | 2 | import os |
| | 3 | print "PID:", os.getpid() |
| | 4 | |
| | 5 | count = 0 |
| | 6 | |
| | 7 | class ResultsFrame(wx.Frame): |
| | 8 | def __init__(self, parent, bmp): |
| | 9 | global count |
| | 10 | count += 1 |
| | 11 | wx.Frame.__init__(self, parent, title=str(count), size=(100,100)) |
| | 12 | p = wx.Panel(self) |
| | 13 | sb = wx.StaticBitmap(p, -1, bmp, (20,20)) |
| | 14 | self.Show() |
| | 15 | |
| | 16 | |
| | 17 | |
| | 18 | class TestPanel(wx.Panel): |
| | 19 | def __init__(self, parent): |
| | 20 | wx.Panel.__init__(self, parent) |
| | 21 | b = wx.Button(self, -1, "Test", (50,50)) |
| | 22 | self.Bind(wx.EVT_BUTTON, self.OnButton, b) |
| | 23 | |
| | 24 | def RunTest(self, bdc, bg, fg): |
| | 25 | # draw to the buffered dc |
| | 26 | bdc.SetBackground(wx.Brush(bg)) |
| | 27 | bdc.Clear() |
| | 28 | bdc.SetPen(wx.Pen(fg, 2)) |
| | 29 | bdc.DrawLine(0,0, 30,30) |
| | 30 | bdc.DrawLine(0,30, 30,0) |
| | 31 | |
| | 32 | # now bilt it to a bitmap |
| | 33 | bmp = wx.EmptyBitmap(30,30) |
| | 34 | mdc = wx.MemoryDC() |
| | 35 | mdc.SelectObject(bmp) |
| | 36 | mdc.Blit(0,0, 30,30, bdc, 0,0) |
| | 37 | del mdc |
| | 38 | |
| | 39 | # display the results |
| | 40 | ResultsFrame(self, bmp) |
| | 41 | |
| | 42 | |
| | 43 | |
| | 44 | def OnButton(self, evt): |
| | 45 | |
| | 46 | # 1. test a buffered dc not using a buffer bitmap |
| | 47 | bdc = wx.BufferedDC(wx.ClientDC(self), self.GetSize()) |
| | 48 | self.RunTest(bdc, "yellow", "red") |
| | 49 | del bdc |
| | 50 | |
| | 51 | # 2. now do one that does have a buffer bitmap |
| | 52 | buf = wx.EmptyBitmap(100,100) |
| | 53 | bdc = wx.BufferedDC(wx.ClientDC(self), buf) |
| | 54 | self.RunTest(bdc, "red", "blue") |
| | 55 | del bdc |
| | 56 | |
| | 57 | # 3. now one without a real DC |
| | 58 | buf = wx.EmptyBitmap(100,100) |
| | 59 | bdc = wx.BufferedDC(None, buf) |
| | 60 | self.RunTest(bdc, "purple", "yellow") |
| | 61 | del bdc |
| | 62 | |
| | 63 | # 4. finally test a real unbuffered DC |
| | 64 | dc = wx.ClientDC(self) |
| | 65 | self.RunTest(dc, "red", "white") |
| | 66 | |
| | 67 | |
| | 68 | # blit from the last buffer back to the main window |
| | 69 | buf.SetMaskColour("yellow") |
| | 70 | mdc = wx.MemoryDC() |
| | 71 | mdc.SelectObject(buf) |
| | 72 | dc.Blit(100,100,30,30, mdc, 0,0, useMask=True) |
| | 73 | |
| | 74 | |
| | 75 | |
| | 76 | app = wx.App(0) |
| | 77 | frm = wx.Frame(None) |
| | 78 | pnl = TestPanel(frm) |
| | 79 | frm.Show() |
| | 80 | app.MainLoop() |
| | 81 | |
| | 82 | |
| | 83 | |
| | 84 | |
| | 85 | |
projects / wxWidgets.git / blame_incremental