Optimized drawing code in OnMouse() for freehand drawing.

[wxWidgets.git] / utils / wxPython / lib / vtk.py

diff --git a/utils/wxPython/lib/vtk.py b/utils/wxPython/lib/vtk.py
index 66c1c4dfbb390a7c3331086cf2f199d10f535e1c..eab82b5dc044285d9e1bb6e6d52272c6d201b3f0 100644 (file)
--- a/utils/wxPython/lib/vtk.py
+++ b/utils/wxPython/lib/vtk.py
@@ -28,15 +28,24 @@ import math
 
 #----------------------------------------------------------------------
 
 
 #----------------------------------------------------------------------
 

-class wxVTKRenderWindow(wxWindow):
+class wxVTKRenderWindow(wxScrolledWindow):

     def __init__(self, parent, id, position=wxDefaultPosition,
                  size=wxDefaultSize, style=0):
     def __init__(self, parent, id, position=wxDefaultPosition,
                  size=wxDefaultSize, style=0):

-        wxWindow.__init__(self, parent, id, position, size, style)
+        wxScrolledWindow.__init__(self, parent, id, position, size, style)

 
         self.renderWindow = vtkRenderWindow()
 
 
         self.renderWindow = vtkRenderWindow()
 

-        hdl = self.GetHandle()
-        self.renderWindow.SetWindowInfo(str(hdl))
+        if wxPlatform != '__WXMSW__':
+            # We can't get the handle in wxGTK until after the widget
+            # is created, the window create event happens later so we'll
+            # catch it there
+            EVT_WINDOW_CREATE(self, self.OnCreateWindow)
+        else:
+            # but in MSW, the window create event happens durring the above
+            # call to __init__ so we have to do it here.
+            hdl = self.GetHandle()
+            self.renderWindow.SetWindowInfo(str(hdl))
+

 
         EVT_LEFT_DOWN  (self, self.SaveClick)
         EVT_MIDDLE_DOWN(self, self.SaveClick)
 
         EVT_LEFT_DOWN  (self, self.SaveClick)
         EVT_MIDDLE_DOWN(self, self.SaveClick)


@@ -44,7 +53,7 @@ class wxVTKRenderWindow(wxWindow):
         EVT_LEFT_UP    (self, self.Release)
         EVT_MIDDLE_UP  (self, self.Release)
         EVT_RIGHT_UP   (self, self.Release)
         EVT_LEFT_UP    (self, self.Release)
         EVT_MIDDLE_UP  (self, self.Release)
         EVT_RIGHT_UP   (self, self.Release)

-        EVT_MOTION(self, self.MouseMotion)
+        EVT_MOTION     (self, self.MouseMotion)

 
 
     def GetRenderer(self):
 
 
     def GetRenderer(self):


@@ -60,6 +69,14 @@ class wxVTKRenderWindow(wxWindow):
         dc = wxPaintDC(self)
         self.renderWindow.Render()
 
         dc = wxPaintDC(self)
         self.renderWindow.Render()
 

+    def OnCreateWindow(self, event):
+        hdl = self.GetHandle()
+        self.renderWindow.SetWindowInfo(str(hdl))
+
+    def OnEraseBackground(self, event):
+        pass
+
+

 
     def SaveClick(self, event):
         self.prev_x, self.prev_y = event.GetPositionTuple()
 
     def SaveClick(self, event):
         self.prev_x, self.prev_y = event.GetPositionTuple()


@@ -109,49 +126,3 @@ class wxVTKRenderWindow(wxWindow):
 
 
 
 
 
 

-
-if __name__ == '__main__':
-    class TestFrame(wxFrame):
-        def __init__(self, parent):
-            wxFrame.__init__(self, parent, -1, "VTK Test", size=(450,450))
-
-            rw = wxVTKRenderWindow(self, -1)
-
-            # Get the render window
-            renWin = rw.GetRenderWindow()
-
-            # Next, do the VTK stuff
-            ren = vtkRenderer()
-            renWin.AddRenderer(ren)
-            cone = vtkConeSource()
-            cone.SetResolution(80)
-            coneMapper = vtkPolyDataMapper()
-            coneMapper.SetInput(cone.GetOutput())
-            coneActor = vtkActor()
-            coneActor.SetMapper(coneMapper)
-            ren.AddActor(coneActor)
-            coneMapper.GetLookupTable().Build()
-
-            # Create a scalar bar
-            scalarBar = vtkScalarBarActor()
-            scalarBar.SetLookupTable(coneMapper.GetLookupTable())
-            scalarBar.SetTitle("Temperature")
-            scalarBar.GetPositionCoordinate().SetCoordinateSystemToNormalizedViewport()
-            scalarBar.GetPositionCoordinate().SetValue(0.1, 0.01)
-            scalarBar.SetOrientationToHorizontal()
-            scalarBar.SetWidth(0.8)
-            scalarBar.SetHeight(0.17)
-            ren.AddActor2D(scalarBar)
-
-
-
-    class TestApp(wxApp):
-        def OnInit(self):
-            f = TestFrame(None)
-            self.SetTopWindow(f)
-            f.Show(true)
-            return true
-
-    app = TestApp(0)
-    app.MainLoop()
-