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# Copyright(c) 2007-2010 by Lorenzo Gil Sanchez <lorenzo.gil.sanchez@gmail.com>
#
# This file is part of Chavier.
#
# Chavier 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.
#
# Chavier 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 Chavier. If not, see <http://www.gnu.org/licenses/>.
import cairo
from pycha.chart import DEFAULT_OPTIONS
from pycha.bar import HorizontalBarChart, VerticalBarChart
from pycha.line import LineChart
from pycha.pie import PieChart
from pycha.radial import RadialChart
from pycha.polygonal import PolygonalChart
from pycha.scatter import ScatterplotChart
from pycha.stackedbar import StackedVerticalBarChart, StackedHorizontalBarChart
from chavier.gui import GUI
class App(object):
CHART_TYPES = (
VerticalBarChart,
HorizontalBarChart,
LineChart,
PieChart,
RadialChart,
PolygonalChart,
ScatterplotChart,
StackedVerticalBarChart,
StackedHorizontalBarChart,
)
(VERTICAL_BAR_TYPE,
HORIZONTAL_BAR_TYPE,
LINE_TYPE,
PIE_TYPE,
RADIAL_TYPE,
POLYGONAL_TYPE,
SCATTER_TYPE,
STACKED_VERTICAL_BAR_TYPE,
STACKED_HORIZONTAL_BAR_TYPE) = range(len(CHART_TYPES))
OPTIONS_TYPES = dict(
axis=dict(
lineWidth=float,
lineColor=str,
tickSize=float,
labelColor=str,
labelFont=str,
labelFontSize=int,
tickFont=str,
tickFontSize=int,
x=dict(
hide=bool,
ticks=list,
tickCount=int,
tickPrecision=int,
range=list,
rotate=float,
label=unicode,
interval=int,
showLines=bool,
),
y=dict(
hide=bool,
ticks=list,
tickCount=int,
tickPrecision=int,
range=list,
rotate=float,
label=unicode,
interval=int,
showLines=bool,
),
),
background=dict(
hide=bool,
baseColor=str,
chartColor=str,
lineColor=str,
lineWidth=float,
),
legend=dict(
opacity=float,
borderColor=str,
borderWidth=int,
hide=bool,
legendFont=str,
legendFontSize=str,
position=dict(
top=int,
left=int,
bottom=int,
right=int,
)
),
padding=dict(
left=int,
right=int,
top=int,
bottom=int,
),
stroke=dict(
color=str,
hide=bool,
shadow=bool,
width=int,
),
yvals=dict(
show=bool,
inside=bool,
fontSize=int,
fontColor=str,
skipSmallValues=bool,
snapToOrigin=bool,
renderer=str,
),
fillOpacity=float,
shouldFill=bool,
barWidthFillFraction=float,
pieRadius=float,
colorScheme=dict(
name=str,
args=dict(
initialColor=str,
colors=list,
),
),
title=unicode,
titleColor=str,
titleFont=str,
titleFontSize=int,
encoding=str,
)
def __init__(self):
self.gui = GUI(self)
def run(self):
self.gui.run()
def get_default_options(self):
return DEFAULT_OPTIONS
def get_chart(self, datasets, options, chart_type, width, height):
surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
chart_factory = self.CHART_TYPES[chart_type]
chart = chart_factory(surface, options)
chart.addDataset(datasets)
chart.render()
return chart
def main():
app = App()
app.run()
return 0
if __name__ == '__main__':
main()
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