Repository URL to install this package:
Version:
5.0.0 ▾
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# (C) Copyright 2005-2021 Enthought, Inc., Austin, TX
# 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!
import unittest
from numpy import alltrue, arange, array
# Chaco imports
from chaco.api import (
ArrayDataSource,
DataRange1D,
LinearMapper,
PlotGraphicsContext,
TextPlot,
)
class TextPlotTest(unittest.TestCase):
def setUp(self):
self.size = (250, 250)
index_data_source = ArrayDataSource(arange(10))
index_range = DataRange1D()
index_range.add(index_data_source)
index_mapper = LinearMapper(range=index_range)
value_data_source = ArrayDataSource(arange(1, 11))
value_range = DataRange1D()
value_range.add(value_data_source)
value_mapper = LinearMapper(range=value_range)
text_data_source = ArrayDataSource(
array(["one", "two", "three", "four", "five"])
)
self.text_plot = TextPlot(
index=index_data_source,
index_mapper=index_mapper,
value=value_data_source,
value_mapper=value_mapper,
border_visible=False,
text=text_data_source,
)
self.text_plot.outer_bounds = list(self.size)
def test_text(self):
self.assertEqual(self.text_plot.origin, "bottom left")
self.assertEqual(self.text_plot.x_mapper, self.text_plot.index_mapper)
self.assertEqual(self.text_plot.y_mapper, self.text_plot.value_mapper)
self.assertIs(
self.text_plot.index_range, self.text_plot.index_mapper.range
)
self.assertIs(
self.text_plot.value_range, self.text_plot.value_mapper.range
)
gc = PlotGraphicsContext(self.size)
gc.render_component(self.text_plot)
actual = gc.bmp_array[:, :, :]
self.assertFalse(alltrue(actual == 255))