78 lines
1.8 KiB
Python
78 lines
1.8 KiB
Python
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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):
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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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def OnPaint(self, evt):
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dc = wx.PaintDC(self)
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try:
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gc = wx.GraphicsContext.Create(dc)
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except NotImplementedError:
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dc.DrawText("This build of wxPython does not support the wx.GraphicsContext "
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"family of classes.",
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25, 25)
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return
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font = wx.SystemSettings.GetFont(wx.SYS_DEFAULT_GUI_FONT)
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font.SetWeight(wx.BOLD)
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gc.SetFont(font)
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gc.Translate(10, 10)
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self.DrawText(gc, 'normal')
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gc.Translate(0, 25)
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gc.PushState()
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gc.Scale(2, 2)
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self.DrawText(gc, 'scaled')
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gc.PopState()
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gc.Translate(0, 35)
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self.DrawText(gc, '\nnewline')
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def DrawText(self, gc, txt):
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txt = "This is a test: " + txt
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w,h,d,e = gc.GetFullTextExtent(txt)
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##print w,h,d,e
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gc.DrawText(txt, 0, 0)
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pen = wx.Pen("red", 1)
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gc.SetPen(pen)
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path = gc.CreatePath()
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path.MoveToPoint(-1, -1)
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self.MakeCrosshair(path)
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gc.StrokePath(path)
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path = gc.CreatePath()
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path.MoveToPoint(w+1, h+1)
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self.MakeCrosshair(path)
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gc.StrokePath(path)
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def MakeCrosshair(self, path):
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x, y = path.GetCurrentPoint()
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path.MoveToPoint(x-5, y)
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path.AddLineToPoint(x+5,y)
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path.MoveToPoint(x, y-5)
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path.AddLineToPoint(x, y+5)
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path.MoveToPoint(x,y)
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app = wx.App(False)
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frm = wx.Frame(None, title="Testing GC Text")
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pnl = TestPanel(frm)
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frm.Show()
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app.MainLoop()
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