102 lines
2.4 KiB
Python
102 lines
2.4 KiB
Python
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import wx
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class TestPanel(wx.Panel):
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def __init__(self, *args, **kw):
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wx.Panel.__init__(self, *args, **kw)
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self.Bind(wx.EVT_PAINT, self.OnPaint)
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def OnPaint(self, evt):
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gc = wx.GraphicsContext.Create(wx.PaintDC(self))
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pen = wx.Pen("navy", 2)
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gc.SetPen(pen)
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brush = wx.Brush((255,32,32,128))
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gc.SetBrush(brush)
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gc.PushState()
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path = gc.CreatePath()
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path.MoveToPoint(50, 50)
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path.AddLineToPoint(25,25)
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path.AddLineToPoint(50,25)
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path.AddLineToPoint(50,50)
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path.CloseSubpath()
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gc.DrawPath(path)
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gc.Scale(2,2)
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gc.Translate(10,5)
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gc.DrawPath(path)
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gc.Translate(50,0)
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gc.FillPath(path)
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gc.Translate(0,5)
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gc.StrokePath(path)
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gc.Translate(0,5)
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brush = wx.Brush((32,32,255,128))
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gc.SetBrush(brush)
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gc.FillPath(path)
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gc.Translate(50,0)
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gc.DrawPath(path)
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gc.PopState()
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points = [ (5.2, 5.9),
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(50, 50),
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(35, 50),
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(25,40),
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wx.Point2D(20.5,50.9),
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wx.Point2D(5,25),
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(5,6)
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]
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gc.Translate(0, 150)
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gc.DrawLines(points)
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gc.Translate(75, 0)
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gc.StrokeLines(points)
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begin = [ (0,0),
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(0,10),
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(0,20),
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(0,30),
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(0,40),
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(0,50),
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]
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end = [ (50,0),
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(50,10),
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(50,20),
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(50,30),
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(50,40),
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(50,50),
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]
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# in a floating point coordinate system the center of the
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# pixel is actually at x+0.5, y+0.5, so with anti-aliasing
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# turned on we'll get a crisper line by positioning our line
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# segments at the 0.5 offset. For this test we'll just let
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# the GC do the translation for us.
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gc.Translate(0.5, 0.5)
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pen = wx.Pen("purple", 1)
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gc.SetPen(pen)
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gc.Translate(75, 0)
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gc.StrokeLineSegements(begin, end)
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gc.Translate(75, 0)
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gc.Scale(2,2)
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gc.StrokeLineSegements(begin, end)
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gc.DrawLines(points)
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del path
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app = wx.App(False)
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frm = wx.Frame(None)
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pnl = TestPanel(frm)
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frm.Show()
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app.MainLoop()
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