forked from CGM_Public/pretix_original
56 lines
2.3 KiB
Python
56 lines
2.3 KiB
Python
#
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# This file is part of pretix (Community Edition).
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#
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# Copyright (C) 2014-2020 Raphael Michel and contributors
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# Copyright (C) 2020-2021 rami.io GmbH and contributors
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#
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# This program is free software: you can redistribute it and/or modify it under the terms of the GNU Affero General
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# Public License as published by the Free Software Foundation in version 3 of the License.
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#
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# ADDITIONAL TERMS APPLY: Pursuant to Section 7 of the GNU Affero General Public License, additional terms are
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# applicable granting you additional permissions and placing additional restrictions on your usage of this software.
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# Please refer to the pretix LICENSE file to obtain the full terms applicable to this work. If you did not receive
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# this file, see <https://pretix.eu/about/en/license>.
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#
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# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
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# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Affero General Public License along with this program. If not, see
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# <https://www.gnu.org/licenses/>.
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#
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from arabic_reshaper import ArabicReshaper
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from django.conf import settings
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from django.utils.functional import SimpleLazyObject
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from PIL import Image
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from reportlab.lib.utils import ImageReader
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class ThumbnailingImageReader(ImageReader):
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def resize(self, width, height, dpi):
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if width is None:
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width = height * self._image.size[0] / self._image.size[1]
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if height is None:
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height = width * self._image.size[1] / self._image.size[0]
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self._image.thumbnail(
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size=(int(width * dpi / 72), int(height * dpi / 72)),
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resample=Image.Resampling.BICUBIC
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)
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self._data = None
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return width, height
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def _jpeg_fh(self):
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# Bypass a reportlab-internal optimization that falls back to the original
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# file handle if the file is a JPEG, and therefore does not respect the
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# (smaller) size of the modified image.
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return None
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def _read_image(self, fp):
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return Image.open(fp, formats=settings.PILLOW_FORMATS_IMAGE)
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reshaper = SimpleLazyObject(lambda: ArabicReshaper(configuration={
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'delete_harakat': True,
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'support_ligatures': False,
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}))
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