2018-01-18 09:50:14 +00:00
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# Copyright (c) 2018 Daniel Knüttel #
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# #
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# This file is part of mathbot. #
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# #
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# mathbot is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# mathbot is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with mathbot. If not, see <http://www.gnu.org/licenses/>. #
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# #
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2018-01-18 08:09:39 +00:00
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from io import BytesIO
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2018-01-18 10:22:18 +00:00
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import matplotlib
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matplotlib.use("Agg")
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2018-01-18 09:47:45 +00:00
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import matplotlib.pyplot as plt
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2018-01-18 08:09:39 +00:00
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def get_png(tex):
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buf = BytesIO()
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2018-01-18 09:47:45 +00:00
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plt.text(0, 0.6, r"$%s$" % tex, fontsize = 50)
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fig = plt.gca()
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fig.axes.get_xaxis().set_visible(False)
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fig.axes.get_yaxis().set_visible(False)
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2018-01-18 08:09:39 +00:00
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2018-01-18 09:47:45 +00:00
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plt.savefig(buf)
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2018-01-18 08:09:39 +00:00
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buf.seek(0)
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2018-01-18 10:27:06 +00:00
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plt.clf()
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2018-01-18 08:09:39 +00:00
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return buf
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2018-01-18 09:47:45 +00:00
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