lowfield_mri_programs/post_process_GUI/mpl_canvas.py

from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg as FigureCanvas
from matplotlib.figure import Figure

class MplCanvas(FigureCanvas):
    """
    Класс-обёртка для холста matplotlib, чтобы легко встраивать в PySide/PyQt.
    """
    def __init__(self, parent=None, width=5, height=4, dpi=100):
        self.fig = Figure(figsize=(width, height), dpi=dpi)
        self.ax = self.fig.add_subplot(111)
        super(MplCanvas, self).__init__(self.fig)
        self.setParent(parent)
        self.fig.tight_layout()