main.py 文件源码

def init_middle_pane(self):
        self.mid_pane = QtGui.QHBoxLayout()

        # IMGS: images which will display the video preview
        pixmap = QtGui.QPixmap("0.jpg")
        pixmap.scaledToWidth(self.preview_size)
        pixmap.scaledToHeight(self.preview_size)
        img_lbl = QtGui.QLabel(self)
        img_lbl.setPixmap(pixmap)

        # Make sure the window isn't constantly resizing
        img_lbl.setScaledContents(True)
        img_lbl.setMaximumWidth(self.preview_size)
        img_lbl.setMaximumHeight(self.preview_size)

        self.img = img_lbl
        self.mid_pane.addWidget(self.img)

        # SLIDER: slide to rate the quality of the video
        self.slider = QtGui.QSlider(self, QtCore.Qt.Vertical)
        self.slider.setTickPosition(QtGui.QSlider.TicksBothSides)
        self.slider.setTickInterval(20)
        self.mid_pane.addWidget(self.slider)

        self.layout.addLayout(self.mid_pane)