Add the FloatCanvas demo modules

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxPython/Phoenix/trunk@73860 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

samples/floatcanvas/PieChart.py

@@ -0,0 +1,91 @@
+#!/usr/bin/env python
+
+
+import wx
+
+## import the installed version
+from wx.lib.floatcanvas import NavCanvas, FloatCanvas
+from wx.lib.floatcanvas.SpecialObjects import PieChart
+
+## import a local version
+#import sys
+#sys.path.append("..")
+#from floatcanvas import NavCanvas, FloatCanvas
+#from floatcanvas.SpecialObjects import PieChart
+
+
+import numpy as N
+
+class DrawFrame(wx.Frame):
+
+    """
+    A frame used for the FloatCanvas Demo
+
+    """
+
+    def __init__(self, *args, **kwargs):
+        wx.Frame.__init__(self, *args, **kwargs)
+
+        self.CreateStatusBar()
+
+        # Add the Canvas
+        Canvas = NavCanvas.NavCanvas(self,-1,
+                                     size = (500,500),
+                                     Debug = 0,
+                                     BackgroundColor = "DARK SLATE BLUE",
+                                     ).Canvas
+      
+        self.Canvas = Canvas
+
+        Values = (10,10,10)
+        Colors = ('Red', 'Blue', 'Green')
+        Pie1 = PieChart(N.array((0, 0)), 10, Values, Colors, Scaled=False)
+        Canvas.AddObject(Pie1)
+        
+        Values = (10, 5, 5)
+        Pie2 = PieChart(N.array((40, 0)), 10, Values, Colors)
+        Canvas.AddObject(Pie2)
+          
+        # test default colors
+        Values = (10, 15, 12, 24, 6, 10, 13, 11, 9, 13, 15, 12)
+        Pie3 = PieChart(N.array((20, 20)), 10, Values, LineColor="Black")
+        Canvas.AddObject(Pie3)
+        
+        # missng slice!
+        Values = (10, 15, 12, 24)
+        Colors = ('Red', 'Blue', 'Green', None)
+        Pie4 = PieChart(N.array((0, -15)), 10, Values, Colors, LineColor="Black")
+        Canvas.AddObject(Pie4)
+        
+
+        # Test the styles
+        Values = (10, 12, 14)
+        Styles = ("Solid", "CrossDiagHatch","CrossHatch")
+        Colors = ('Red', 'Blue', 'Green')
+        Pie4 = PieChart(N.array((20, -20)), 10, Values, Colors, Styles)
+        Canvas.AddObject(Pie2)
+
+        Pie1.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.Pie1Hit)
+        Pie2.Bind(FloatCanvas.EVT_FC_LEFT_DOWN, self.Pie2Hit)
+
+        FloatCanvas.EVT_MOTION(self.Canvas, self.OnMove ) 
+
+        self.Show()
+        Canvas.ZoomToBB()
+
+    def Pie1Hit(self, obj):
+        print "Pie1 hit!"
+
+    def Pie2Hit(self, obj):
+        print "Pie2 hit!"
+
+    def OnMove(self, event):
+        """
+        Updates the status bar with the world coordinates
+        """
+        self.SetStatusText("%.2g, %.2g"%tuple(event.Coords))
+
+
+app = wx.App(False)
+F = DrawFrame(None, title="FloatCanvas Demo App", size=(700,700) )
+app.MainLoop()