def draw(self, context, rectangle):
"""\brief draw charts
\param context - cairo context
\param rectangle - cairo context rectangle
"""
for chart in self._data_charts:
draw_chart(context, rectangle, self._chart_rectangle, chart)
def draw(self, context, rect):
context.set_source_rgb(0.5, 0.5, 1)
drc = drawing_rectangle(lower_x_limit = -10,
upper_x_limit = 10,
lower_y_limit = -10,
upper_y_limit = 20)
some_data = map(lambda a: (a, a ** 2 - 10), arange(-10, 10, 0.1))
chart = data_chart(some_data, color = (0, 0, 1))
draw_chart(context, rect, drc, chart)
