class YPictureBubble(QLabel):
def __init__(self, widget):
super().__init__(widget)
self.parent_widget = widget
self.setScaledContents(True)
def setPicture(self, image_name):
self.filename = image_name
max_width = 300
is_gif = False
if image_name[-3:].lower() == 'gif':
self.gif = QMovie(image_name)
if self.gif.isValid():
is_gif = True
self.setMovie(self.gif)
self.gif.start()
g = self.gif.currentImage()
w, h = (g.width(), g.height())
if not is_gif:
im = Image.open(image_name)
w, h = im.size
self.setPixmap(im.toqpixmap())
if w >= h and w > max_width:
ratio = max_width / w
elif h > w and h > max_width:
ratio = max_width / h
else:
ratio = 1
w, h = int(w * ratio), int(h * ratio)
self.resize(w, h)
def load(self, source):
"""Load anything that QImageReader or QMovie constructors accept"""
# Use QImageReader to identify animated GIFs for separate handling
# (Thanks to https://stackoverflow.com/a/20674469/435253 for this)
image_reader = QImageReader(source)
from PyQt5.QtGui import QImageIOHandler
if image_reader.supportsAnimation() and image_reader.imageCount() > 1:
movie = QMovie(source)
# Calculate the aspect ratio and adjust the widget size
movie.jumpToFrame(0)
movie_size = movie.currentImage().size()
self.movie_aspect = movie_size.width() / movie_size.height()
self.resizeEvent()
self.label.setMovie(movie)
movie.start()
# Free memory if the previous image was non-animated
self.orig_pixmap = None
else:
self.orig_pixmap = QPixmap(image_reader.read())
self.label.setPixmap(self.orig_pixmap)
# Fail quickly if our violated invariants result in stale
# aspect-ratio information getting reused
self.movie_aspect = None
# Keep the image from preventing downscaling
self.setMinimumSize(1, 1)
def __init__(self, parent):
super().__init__(parent)
if os.path.exists(ImageConfig.ABOUT_DIALOG_BACKGROUND_FILE):
self.setWindowTitle("关于 - 仅供学习研究使用")
label = QLabel(self)
label.setMaximumSize(self.MAX_LENGTH, self.MAX_LENGTH)
movie = QMovie(ImageConfig.ABOUT_DIALOG_BACKGROUND_FILE)
label.setMovie(movie)
movie.start()
self.resize(movie.currentImage().size())
else:
self.ui = loadUi(os.path.join(RESOURCE_PATH, "about_dialog.ui"),
self)
def set_loading(self):
loader = QMovie(appctxt.get_resource("animations/loader.gif"))
self.preview_box.setMovie(loader)
loader.jumpToFrame(0)
self.preview_box.resize(loader.currentImage().size())
loader.start()
