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/TestSpline.py

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+#!/usr/bin/env python
+
+
+"""
+This is a very small app using the FloatCanvas
+
+It tests the Spline object, including how you can put points together to
+create an object with curves and square corners.
+
+
+"""
+import wx
+
+#### import local version:
+#import sys
+#sys.path.append("../")
+#from floatcanvas import NavCanvas
+#from floatcanvas import FloatCanvas as FC
+
+from wx.lib.floatcanvas import FloatCanvas as FC
+from wx.lib.floatcanvas import NavCanvas
+
+class Spline(FC.Line):
+    def __init__(self, *args, **kwargs):
+            FC.Line.__init__(self, *args, **kwargs)
+            
+    def _Draw(self, dc , WorldToPixel, ScaleWorldToPixel, HTdc=None):
+        Points = WorldToPixel(self.Points)
+        dc.SetPen(self.Pen)
+        dc.DrawSpline(Points)
+        if HTdc and self.HitAble:
+            HTdc.SetPen(self.HitPen)
+            HTdc.DrawSpline(Points)
+
+class DrawFrame(wx.Frame):
+
+    """
+    A frame used for the FloatCanvas
+
+    """
+    def __init__(self, *args, **kwargs):
+        wx.Frame.__init__(self, *args, **kwargs)
+
+        ## Set up the MenuBar
+        MenuBar = wx.MenuBar()
+
+        file_menu = wx.Menu()
+        item = file_menu.Append(-1, "&Close","Close this frame")
+        self.Bind(wx.EVT_MENU, self.OnQuit, item)
+        MenuBar.Append(file_menu, "&File")
+
+        help_menu = wx.Menu()
+        item = help_menu.Append(-1, "&About",
+                                "More information About this program")
+        self.Bind(wx.EVT_MENU, self.OnAbout, item)
+        MenuBar.Append(help_menu, "&Help")
+
+        self.SetMenuBar(MenuBar)
+        self.CreateStatusBar()            
+
+        # Add the Canvas
+        self.Canvas = NavCanvas.NavCanvas(self,
+                                          BackgroundColor = "White",
+                                          ).Canvas
+
+        self.Canvas.Bind(FC.EVT_MOTION, self.OnMove) 
+
+        wx.EVT_CLOSE(self, self.OnCloseWindow)
+
+        self.DrawTest()
+        self.Show()
+        self.Canvas.ZoomToBB()
+        
+    def OnAbout(self, event):
+        print "OnAbout called"
+
+        dlg = wx.MessageDialog(self, "This is a small program to demonstrate\n"
+                                                  "the use of the FloatCanvas\n",
+                                                  "About Me", wx.OK | wx.ICON_INFORMATION)
+        dlg.ShowModal()
+        dlg.Destroy()
+
+    def OnMove(self, event):
+        """
+        Updates the status bar with the world coordinates
+        """
+        self.SetStatusText("%.2f, %.2f"%tuple(event.Coords))
+
+    def OnQuit(self,event):
+        self.Close(True)
+
+    def OnCloseWindow(self, event):
+        self.Destroy()
+
+    def DrawTest(self,event=None):
+        wx.GetApp().Yield()
+        
+        Canvas = self.Canvas
+
+        Points = [(0, 0),
+                  (200,0),
+                  (200,0),
+                  (200,0),
+                  (200,15),
+                  (185,15),
+                  (119,15),
+                  (104,15),
+                  (104,30),
+                  (104,265),
+                  (104,280),
+                  (119,280),
+                  (185,280),
+                  (200,280),
+                  (200,295),
+                  (200,295),
+                  (200,295),
+                  (0, 295),
+                  (0, 295),
+                  (0, 295),
+                  (0, 280),
+                  (15, 280),
+                  (81, 280),
+                  (96, 280),
+                  (96, 265),
+                  (96, 30),
+                  (96, 15),
+                  (81, 15),
+                  (15, 15),
+                  (0, 15),
+                  (0, 0),
+                  ]
+
+        Canvas.ClearAll()
+
+        MyLine = FC.Spline(Points,
+                      LineWidth = 3,
+                      LineColor = "Blue")
+                      
+        Canvas.AddObject(MyLine)
+        Canvas.AddPointSet(Points,
+                           Color = "Red",
+                           Diameter = 4,
+                           )
+
+        ## A regular old spline:
+        Points = [(-30, 260),
+                  (-10, 130),
+                  (70, 185),
+                  (160,60),
+                  ]
+        
+        Canvas.AddSpline(Points,
+                             LineWidth = 5,
+                             LineColor = "Purple")
+
+class DemoApp(wx.App):
+
+    def __init__(self, *args, **kwargs):
+        wx.App.__init__(self, *args, **kwargs)
+
+    def OnInit(self):
+        frame = DrawFrame(None, title="FloatCanvas Spline Demo", size = (700,700))
+
+        self.SetTopWindow(frame)
+        return True
+      
+app = DemoApp(False)# put in True if you want output to go to it's own window.
+app.MainLoop()
+
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