def dropEvent(self, event):
# # 方法一：针对小图片
# pixmap = QPixmap(event.mimeData().urls()[0].toLocalFile())
# self.ui.LabPic.setPixmap(pixmap)
#
# # 方法二：小图片和PNG格式的大图片
# img = QImage()
# print(event.mimeData().urls()[0].toLocalFile())
# img.load(event.mimeData().urls()[0].toLocalFile())
# pixmap = QPixmap.fromImage(img.scaled(self.ui.LabPic.size(), Qt.KeepAspectRatio))
# self.ui.LabPic.setPixmap(pixmap)
# 方法三：小图片和大图片
reader = QImageReader()
print(event.mimeData().urls()[0].toLocalFile())
reader.setFileName(event.mimeData().urls()[0].toLocalFile())
reader.setDecideFormatFromContent(True)
if reader.canRead():
img = QImage(reader.read())
pixmap = QPixmap.fromImage(
img.scaled(self.ui.LabPic.size(), Qt.KeepAspectRatio))
self.ui.LabPic.setPixmap(pixmap)
def get_archive_wallpapers(self):
"""
Generator returning the date, path and copyright info (via db lookup) of each file found in the
archive location.
:rtype: QDate, unicode, unicode
"""
image_reader = QImageReader()
regex_date_split = re.compile(r'(\d{4})(\d{2})(\d{2})')
copyright_info = self.copyright_db.get_all_info()
archive_folder = self.settings.archive_location
for filename in reversed([
x for x in os.listdir(archive_folder)
if re_archive_file.match(x)
]):
year, month, day = list(
map(int,
regex_date_split.findall(filename)[0]))
wallpaper_date = QDate(year, month, day)
wallpaper_copyright = copyright_info.get(
'{0:04d}-{1:02d}-{2:02d}'.format(year, month, day), '')
wallpaper_filename = os.path.join(str(archive_folder), filename)
image_reader.setFileName(wallpaper_filename)
image_size = image_reader.size()
image_size.scale(QSize(200, 125), Qt.IgnoreAspectRatio)
image_reader.setScaledSize(image_size)
thumbnail_image = image_reader.read()
if thumbnail_image.isNull():
continue
self.lw_wallpaper_history.add_item(thumbnail_image,
wallpaper_date,
wallpaper_copyright,
archive_path=wallpaper_filename)
self.app.processEvents()
self.lw_wallpaper_history.sortItems(Qt.AscendingOrder)
