add EnableCanvas example

examples/enable_canvas/enable_canvas.enaml

@@ -0,0 +1,25 @@
+#----------------------------------------------------------------------------
+#
+#  Copyright (c) 2013-14, Enthought, Inc.
+#  All rights reserved.
+#
+#  This software is provided without warranty under the terms of the BSD
+#  license included in /LICENSE.txt and may be redistributed only
+#  under the conditions described in the aforementioned license.  The license
+#  is also available online at http://www.enthought.com/licenses/BSD.txt
+#
+#  Thanks for using Enthought open source!
+#
+#----------------------------------------------------------------------------
+
+from enaml.widgets.api import MainWindow, Container
+from enaml.layout.api import vbox
+from traits_enaml.widgets.enable_canvas import EnableCanvas
+
+
+enamldef Main(MainWindow): main:
+    attr model
+    initial_size = (600, 400)
+    Container:
+        EnableCanvas: ecanvas:
+            component = main.model.plot

examples/enable_canvas/enable_canvas_view.py

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+#----------------------------------------------------------------------------
+#
+#  Copyright (c) 2013-14, Enthought, Inc.
+#  All rights reserved.
+#
+#  This software is provided without warranty under the terms of the BSD
+#  license included in /LICENSE.txt and may be redistributed only
+#  under the conditions described in the aforementioned license.  The license
+#  is also available online at http://www.enthought.com/licenses/BSD.txt
+#
+#  Thanks for using Enthought open source!
+#
+#----------------------------------------------------------------------------
+
+from numpy import exp, linspace, meshgrid
+
+import traits_enaml
+from enaml.qt.qt_application import QtApplication
+from traits.api import HasStrictTraits, Instance
+from chaco.api import ArrayPlotData, jet, Plot
+
+class Model(HasStrictTraits):
+
+    plot = Instance(Plot, ())
+
+    def _plot_default(self):
+        # Create a scalar field to colormap
+        xs = linspace(0, 10, 600)
+        ys = linspace(0, 5, 600)
+        x, y = meshgrid(xs,ys)
+        z = exp(-(x**2+y**2)/100)
+
+        # Create a plot data object and give it this data
+        pd = ArrayPlotData()
+        pd.set_data("imagedata", z)
+
+        # Create the plot
+        plot = Plot(pd)
+        plot.img_plot("imagedata", colormap=jet)
+        return plot
+
+
+
+if __name__ == '__main__':
+    with traits_enaml.imports():
+        from enable_canvas import Main
+
+    app = QtApplication()
+    view = Main(model=Model())
+    view.show()
+
+    app.start()