mirror of
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127 lines
3.6 KiB
Python
127 lines
3.6 KiB
Python
#!/usr/bin/env python
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import wx
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## import the installed version
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from wx.lib.floatcanvas import NavCanvas, FloatCanvas
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## import a local version
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#import sys
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#sys.path.append("../")
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#from floatcanvas import NavCanvas, FloatCanvas
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class DrawFrame(wx.Frame):
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"""
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A frame used for the FloatCanvas Demo
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"""
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def __init__(self, *args, **kwargs):
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wx.Frame.__init__(self, *args, **kwargs)
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self.CreateStatusBar()
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# Add the Canvas
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Canvas = NavCanvas.NavCanvas(self,-1,
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size = (500,500),
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ProjectionFun = None,
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Debug = 0,
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BackgroundColor = "White",
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).Canvas
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# Canvas = FloatCanvas.FloatCanvas(self,-1,
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# size = (500,500),
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# ProjectionFun = None,
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# Debug = 0,
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# BackgroundColor = "White",
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# )
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self.Canvas = Canvas
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self.Canvas.Bind(FloatCanvas.EVT_MOTION, self.OnMove )
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self.Canvas.Bind(FloatCanvas.EVT_LEFT_DOWN, self.OnLeft)
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# Some default sizes:
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self.LineHeight = 1
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self.TextWidth = 8
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self.SpaceWidth = 1
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self.Labels = ["SW Tasks", "Set RX Rf"] + ["A Row Label"]*16
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self.NumRows = len(self.Labels)
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self.BuildChartBackground()
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self.AddLabels()
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self.Show()
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Canvas.MinScale=28
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Canvas.MaxScale=28
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Canvas.ZoomToBB()
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def BuildChartBackground(self):
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Canvas = self.Canvas
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top = 0
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bottom = -(self.LineHeight * self.NumRows)
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width = self.SpaceWidth * 16 + self.TextWidth
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# put in the rows:
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for i in range(1, self.NumRows+1, 2):
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Canvas.AddRectangle((0-self.TextWidth, -i*self.LineHeight),
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(width, self.LineHeight),
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LineColor = None,
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FillColor = "LightGrey",
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FillStyle = "Solid",)
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# put a dashed line in every 1 unit:
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for i in range(16):
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Canvas.AddLine(((i*self.SpaceWidth,bottom),(i*self.SpaceWidth,top)),
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LineColor = "Black",
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LineStyle = "Dot",
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# or "Dot", "ShortDash", "LongDash","ShortDash", "DotDash"
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LineWidth = 1,)
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def AddLabels(self):
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Canvas = self.Canvas
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for i, label in enumerate(self.Labels):
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Canvas.AddScaledText(label,
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( -self.TextWidth, -(i+0.2)*self.LineHeight ),
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Size = 0.6 * self.LineHeight,
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Color = "Black",
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BackgroundColor = None,
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Family = wx.MODERN,
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Style = wx.NORMAL,
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Weight = wx.NORMAL,
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Underlined = False,
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Position = 'tl',
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)
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def OnMove(self, event):
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"""
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Updates the status bar with the world coordinates
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"""
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self.SetStatusText("%.2f, %.2f"%tuple(event.Coords))
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def OnLeft(self, event):
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"""
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Prints various info about the state of the canvas to stdout
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"""
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print("Scale is:", self.Canvas.Scale)
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app = wx.App(False)
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F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
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app.MainLoop()
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