Delete .venv directory

.venv/lib/python3.9/site-packages/matplotlib/backends/backend_qt5agg.py

@@ -1,84 +0,0 @@
-"""
-Render to qt from agg.
-"""
-
-import ctypes
-
-from matplotlib.transforms import Bbox
-
-from .. import cbook
-from .backend_agg import FigureCanvasAgg
-from .backend_qt5 import (
-    QtCore, QtGui, QtWidgets, _BackendQT5, FigureCanvasQT, FigureManagerQT,
-    NavigationToolbar2QT, backend_version)
-from .qt_compat import QT_API, _setDevicePixelRatio
-
-
-class FigureCanvasQTAgg(FigureCanvasAgg, FigureCanvasQT):
-
-    def __init__(self, figure=None):
-        # Must pass 'figure' as kwarg to Qt base class.
-        super().__init__(figure=figure)
-
-    def paintEvent(self, event):
-        """
-        Copy the image from the Agg canvas to the qt.drawable.
-
-        In Qt, all drawing should be done inside of here when a widget is
-        shown onscreen.
-        """
-        self._draw_idle()  # Only does something if a draw is pending.
-
-        # If the canvas does not have a renderer, then give up and wait for
-        # FigureCanvasAgg.draw(self) to be called.
-        if not hasattr(self, 'renderer'):
-            return
-
-        painter = QtGui.QPainter(self)
-        try:
-            # See documentation of QRect: bottom() and right() are off
-            # by 1, so use left() + width() and top() + height().
-            rect = event.rect()
-            # scale rect dimensions using the screen dpi ratio to get
-            # correct values for the Figure coordinates (rather than
-            # QT5's coords)
-            width = rect.width() * self._dpi_ratio
-            height = rect.height() * self._dpi_ratio
-            left, top = self.mouseEventCoords(rect.topLeft())
-            # shift the "top" by the height of the image to get the
-            # correct corner for our coordinate system
-            bottom = top - height
-            # same with the right side of the image
-            right = left + width
-            # create a buffer using the image bounding box
-            bbox = Bbox([[left, bottom], [right, top]])
-            reg = self.copy_from_bbox(bbox)
-            buf = cbook._unmultiplied_rgba8888_to_premultiplied_argb32(
-                memoryview(reg))
-
-            # clear the widget canvas
-            painter.eraseRect(rect)
-
-            qimage = QtGui.QImage(buf, buf.shape[1], buf.shape[0],
-                                  QtGui.QImage.Format_ARGB32_Premultiplied)
-            _setDevicePixelRatio(qimage, self._dpi_ratio)
-            # set origin using original QT coordinates
-            origin = QtCore.QPoint(rect.left(), rect.top())
-            painter.drawImage(origin, qimage)
-            # Adjust the buf reference count to work around a memory
-            # leak bug in QImage under PySide on Python 3.
-            if QT_API in ('PySide', 'PySide2'):
-                ctypes.c_long.from_address(id(buf)).value = 1
-
-            self._draw_rect_callback(painter)
-        finally:
-            painter.end()
-
-    def print_figure(self, *args, **kwargs):
-        super().print_figure(*args, **kwargs)
-        self.draw()
-
-
-@_BackendQT5.export
-class _BackendQT5Agg(_BackendQT5):
-    FigureCanvas = FigureCanvasQTAgg