######################################################################################################################
# Copyright (C) 2017-2021 Spine project consortium
# This file is part of Spine Toolbox.
# Spine Toolbox is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General
# Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option)
# any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
# Public License for more details. You should have received a copy of the GNU Lesser General Public License along with
# this program. If not, see <http://www.gnu.org/licenses/>.
######################################################################################################################
"""
A Qt widget to use as a matplotlib backend.
:author: A. Soininen (VTT)
:date: 3.6.2019
"""
from matplotlib.backends.backend_qt5agg import FigureCanvasQTAgg
from matplotlib.figure import Figure
from PySide2 import QtWidgets
[docs]class PlotCanvas(FigureCanvasQTAgg):
"""A widget for plotting with matplotlib."""
def __init__(self, parent=None):
"""
Args:
parent (QWidget): a parent widget
"""
width = 5 # inches
height = 4 # inches
fig = Figure(figsize=(width, height), tight_layout=True)
self._axes = fig.add_subplot(111)
super().__init__(fig)
self.setParent(parent)
super().setSizePolicy(QtWidgets.QSizePolicy.Expanding, QtWidgets.QSizePolicy.Expanding)
super().updateGeometry()
@property
[docs] def axes(self):
""":obj:`matplotlib.axes.Axes`: figure's axes"""
return self._axes