Mercurial > libervia-desktop
view cagou/core/image.py @ 406:03554ad70846
common (jidSelector): replace implitict_update mechanism by real-time update:
instead of having the possibility to (de)activate implicit update, real time update of
items is now done.
For now only the notifications and opened chat items are updated in real time.
author | Goffi <goffi@goffi.org> |
---|---|
date | Wed, 12 Feb 2020 20:02:58 +0100 |
parents | 1da3c379205b |
children | aa204c813f07 |
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#!/usr/bin/env python3 # Cagou: desktop/mobile frontend for Salut à Toi XMPP client # Copyright (C) 2016-2020 Jérôme Poisson (goffi@goffi.org) # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program 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 Affero General Public License for more details. # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. from sat.core import log as logging log = logging.getLogger(__name__) from kivy.uix import image as kivy_img from kivy.core.image import Image as CoreImage from kivy.resources import resource_find import io import PIL class Image(kivy_img.Image): """Image widget which accept source without extension""" def texture_update(self, *largs): if not self.source: self.texture = None else: filename = resource_find(self.source) self._loops = 0 if filename is None: return log.error('Image: Error reading file {filename}'. format(filename=self.source)) mipmap = self.mipmap if self._coreimage is not None: self._coreimage.unbind(on_texture=self._on_tex_change) try: self._coreimage = ci = CoreImage(filename, mipmap=mipmap, anim_delay=self.anim_delay, keep_data=self.keep_data, nocache=self.nocache) except Exception as e: # loading failed probably because of unmanaged extention, # we try our luck with with PIL try: im = PIL.Image.open(filename) ext = im.format.lower() del im # we can't use im.tobytes as it would use the # internal decompressed representation from pillow # and im.save would need processing to handle format data = io.BytesIO(open(filename, "rb").read()) cache_filename = "{}.{}".format(filename,ext) # needed for kivy's Image to use cache self._coreimage = ci = CoreImage(data, ext=ext, filename=cache_filename, mipmap=mipmap, anim_delay=self.anim_delay, keep_data=self.keep_data, nocache=self.nocache) except Exception as e: log.warning("Can't load image: {}".format(e)) self._coreimage = ci = None if ci: ci.bind(on_texture=self._on_tex_change) self.texture = ci.texture class AsyncImage(kivy_img.AsyncImage): """AsyncImage which accept file:// schema""" def _load_source(self, *args): if self.source.startswith('file://'): self.source = self.source[7:] else: super(AsyncImage, self)._load_source(*args)