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# Copyright (c) 2007-2008 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
#
# This file is part of PyCha.
#
# PyCha is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# PyCha is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with PyCha. If not, see <http://www.gnu.org/licenses/>.
import sys
import cairo
import pycha.pie
from lines import lines
def pieChart(output):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, 400, 400)
dataSet = [(line[0], [[0, line[1]]]) for line in lines]
options = {
'axis': {
'x': {
'ticks': [dict(v=i, label=d[0]) for i, d in enumerate(lines)],
}
},
'background': {
'hide': True,
},
'padding': {
'left': 70,
'right': 10,
'top': 0,
'bottom': 0,
},
'legend': {
'hide': True,
}
}
chart = pycha.pie.PieChart(surface, options)
chart.addDataset(dataSet)
chart.render()
surface.write_to_png(output)
if __name__ == '__main__':
if len(sys.argv) > 1:
output = sys.argv[1]
else:
output = 'piechart.png'
pieChart(output)
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