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38 lines
1.3 KiB
Python
38 lines
1.3 KiB
Python
#
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# PyOtherSide: Asynchronous Python 3 Bindings for Qt 5
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# Copyright (c) 2011, 2013, Thomas Perl <m@thp.io>
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#
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# Permission to use, copy, modify, and/or distribute this software for any
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# purpose with or without fee is hereby granted, provided that the above
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# copyright notice and this permission notice appear in all copies.
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#
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# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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# FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
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# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
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# OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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# PERFORMANCE OF THIS SOFTWARE.
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#
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import matplotlib.pyplot as plt
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import numpy as np
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import io
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import pyotherside
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def plot_provider(image_id, requested_size):
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plt.figure()
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x = np.arange(0.0, 5.0, 0.1)
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plt.plot(np.sin(x))
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for dataset in image_id.split(';'):
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plt.plot([float(x) for x in dataset.split(',') if x])
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plt.title("Dataset from QML")
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buf = io.BytesIO()
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plt.savefig(buf, format='png')
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plt.close()
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buf.seek(0)
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return bytearray(buf.read()), requested_size, pyotherside.format_data
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pyotherside.set_image_provider(plot_provider)
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