class MoviePlayer(QMainWindow):
def __init__(self, *args):
QMainWindow.__init__(self, *args)
# setGeometry(x_pos, y_pos, width, height)
self.setGeometry(200, 200, 400, 400)
self.setWindowTitle("QMovie to show animated gif")
# set up the movie screen on a label
self.movie_screen = QLabel()
# expand and center the label
self.movie_screen.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
#btn_start = QPushButton("Start Animation", self)
# btn_start.clicked.connect(self.start)
btn_stop = QPushButton("Stop Animation", self)
btn_stop.clicked.connect(self.stop)
main_layout = QVBoxLayout()
main_layout.addWidget(self.movie_screen)
# main_layout.addWidget(btn_start)
main_layout.addWidget(btn_stop)
self.setLayout(main_layout)
# use an animated gif file you have in the working folder
# or give the full file path
self.movie = QMovie("./AG_Dog.gif", QByteArray(), self)
self.movie.setCacheMode(QMovie.CacheAll)
self.movie.setSpeed(100)
self.movie_screen.setMovie(self.movie)
self.movie.start()
def start(self):
"""sart animnation"""
self.movie.start()
def stop(self):
"""stop the animation"""
self.movie.stop()
print(self.movie.fileName())
self.movie.start()
def show_slides(self):
try:
i, img_object = self._result.get(True, 5)
if isinstance(img_object, QMediaContent):
self.MediaPlayer.setMedia(img_object)
except Empty:
self.timer.stop()
return
while i != self._next:
self._result.put((i, img_object), False)
i, img_object = self._result.get()
if isinstance(img_object, QMediaContent):
self.MediaPlayer.setMedia(img_object)
if isinstance(img_object, QMediaContent):
# If a movie
# self.MediaPlayer.setMedia(img_object)
self.layout.setCurrentWidget(self.VideoWidget)
self.MediaPlayer.play()
elif isinstance(img_object, QMovie):
# If a gif
size = img_object.scaledSize()
img_object = QMovie(img_object.fileName())
img_object.setCacheMode(QMovie.CacheAll)
self._gif = img_object
img_object.frameChanged.connect(self.gif_frame_changed)
self.SlideShowWidget.setMovie(img_object)
size.scale(self.SlideShowWidget.size(), Qt.KeepAspectRatio)
img_object.setScaledSize(size)
img_object.setSpeed(int(self.rate * 100))
self.layout.setCurrentWidget(self.SlideShowWidget)
# self.change_playspeed(self.rate)
img_object.start()
else:
# If a picture
# print(img_object.size())
self.SlideShowWidget.setPixmap(
img_object.scaled(self.SlideShowWidget.size(),
Qt.KeepAspectRatio))
self.timer.start(self.delay / self.rate)
self.layout.setCurrentWidget(self.SlideShowWidget)
self._next += 1
self.threading(self.maxqsize - self._result.qsize())
class Demo3(QDialog):
def __init__(self, parent=None):
QDialog.__init__(self, parent)
self.setWindowTitle('show_gif')
self.setWindowIcon(QIcon('image/Capture_64px.png'))
self.setWindowFlags(self.windowFlags() | Qt.WindowMinMaxButtonsHint)
# self.resize(400,400)
self.setFixedSize(800, 600)
mainl = QVBoxLayout(self)
self.labelShow = QLabel()
self.labelShow.setContentsMargins(0, 0, 0, 0)
pat = self.labelShow.palette()
pat.setBrush(QPalette.Background, Qt.darkGray)
self.labelShow.setAutoFillBackground(True)
self.labelShow.setPalette(pat)
self.labelShow.setAlignment(Qt.AlignCenter)
# self.labelShow.setScaledContents(True)
mainl.addWidget(self.labelShow, 1)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
mainl.addWidget(line)
btnLay = QHBoxLayout()
frmLay = QFormLayout()
self._spinBox = QSpinBox()
frmLay.addRow('跳转:', self._spinBox)
btnGo = QPushButton('Go', self)
btnPrev = QPushButton('上一张', self)
self.btnNext = QPushButton('下一张', self)
btnPrev.clicked.connect(self.on_prev)
self.btnNext.clicked.connect(self.on_next)
btnGo.clicked.connect(lambda: self.flashMovie(self._spinBox.value()))
self._spinBox.valueChanged.connect(lambda n: self.flashMovie(n))
btnLay.addStretch()
btnLay.addLayout(frmLay)
btnLay.addWidget(btnGo)
btnLay.addWidget(btnPrev)
btnLay.addWidget(self.btnNext)
btnLay.addStretch()
mainl.addLayout(btnLay)
labLay = QHBoxLayout()
labLay.setSpacing(10)
self._label = QLabel()
frm1 = QFormLayout()
frm1.addRow('共:', self._label)
frm1.setRowWrapPolicy(QFormLayout.WrapLongRows)
labLay.addStretch()
labLay.addLayout(frm1)
frm1 = QFormLayout()
self._labInfo = QLabel()
# self._labInfo.setWordWrap(True)
frm1.addRow('当前:', self._labInfo)
# frm1.setFieldGrowthPolicy(QFormLayout.ExpandingFieldsGrow)
frm1.setRowWrapPolicy(QFormLayout.WrapLongRows)
labLay.addLayout(frm1)
frm1 = QFormLayout()
self._labPlay = QLabel()
frm1.addRow('播放帧号:', self._labPlay)
labLay.addLayout(frm1)
frm1.setRowWrapPolicy(QFormLayout.WrapLongRows)
labLay.addStretch()
labLay.setSpacing(10)
line = QFrame()
line.setFrameShape(QFrame.HLine)
line.setFrameShadow(QFrame.Sunken)
mainl.addWidget(line)
mainl.addLayout(labLay)
self._gifs = []
self._movie = QMovie()
self.labelShow.setMovie(self._movie)
QTimer.singleShot(0, self.on_firstShow)
self._picIndex = 0
self._movie.frameChanged.connect(self.on_frameChange)
# self._movie.finished.connect(lambda:self.btnNext.clicked.emit())
def on_frameChange(self, n):
self._labPlay.setText(' {} 帧'.format(n))
if n + 1 == self._movie.frameCount():
self.btnNext.clicked.emit()
def on_firstShow(self):
dir = r'E:\jiandanspider\pic'
for i in os.listdir(dir):
# print(os.path.isfile(i),i.lower(),i.lower().endswith('gif'))
fullPath = os.path.join(dir, i)
if os.path.isfile(fullPath) and i.lower().endswith('gif'):
self._gifs.append(fullPath)
self._spinBox.setMaximum(len(self._gifs))
self._label.setText('%03d条记录' % len(self._gifs))
if len(self._gifs) > 0:
self._movie.setFileName(self._gifs[0])
self._movie.start()
self._labInfo.setText('{},{}帧\n{}'.format(
os.path.split(self._movie.fileName())[1],
self._movie.frameCount(), self._movie.frameRect()))
def flashMovie(self, index):
if index >= len(self._gifs):
return
self._movie.stop()
self._movie.setFileName(self._gifs[index])
self._movie.start()
self._spinBox.valueChanged.disconnect()
self._spinBox.setValue(index)
self._labInfo.setText('{},{}帧\n{}'.format(
os.path.split(self._movie.fileName())[1], self._movie.frameCount(),
self._movie.frameRect()))
self._spinBox.valueChanged.connect(lambda n: self.flashMovie(n))
self._picIndex = index
def on_next(self):
self._picIndex += 1
if self._picIndex >= len(self._gifs):
self._picIndex = len(self._gifs) - 1
self.flashMovie(self._picIndex)
def on_prev(self):
self._picIndex -= 1
if self._picIndex < 0:
self._picIndex = 0
self.flashMovie(self._picIndex)
