1 files changed, 31 insertions, 0 deletions
diff --git a/plotter/plot.py b/plotter/plot.py
new file mode 100755
index 0000000..36775e2
--- /dev/null
+++ b/plotter/plot.py
@@ -0,0 +1,31 @@
+"""Methods for creating plot figures."""
+
+import cairoplot
+from cairoplot.handlers.gtk import GTKHandler
+
+class CairoPlotCanvas(GTKHandler):
+    """GTK canvas displaying plots from."""
+
+    @staticmethod
+    def fromapp(app):
+        """Creates a CairoPlotCanvas from application."""
+
+        # plotsettings = plotter.settings.PlotSettings.fromapp(self)
+        xmin = app.xmin_spin.get_value()
+        xmax = app.xmax_spin.get_value()
+        xstep = (xmax - xmin) / 100.0
+
+        canvas = CairoPlotCanvas()
+
+        # get data (functions in a list)
+        functions = app.get_functions()
+
+        # create plot
+        plot = cairoplot.FunctionPlot(canvas, data=functions,
+                x_bounds=(xmin, xmax), step=xstep,
+                width=500, height=500, background="white",
+                border=20, axis=True, grid=True)
+        canvas.plot = plot
+
+        return canvas
+