17ff6bae82f5e080f94c4b34a637c30e563d505c,lib/matplotlib/backends/backend_qt5agg.py,FigureCanvasQTAgg,paintEvent,#FigureCanvasQTAgg#Any#,23

Before Change

            qimage = QtGui.QImage(buf, buf.shape[1], buf.shape[0],
                                  QtGui.QImage.Format_ARGB32_Premultiplied)
            if hasattr(qimage, "setDevicePixelRatio"):
                // Not available on Qt4 or some older Qt5.
                qimage.setDevicePixelRatio(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.

After Change

            qimage = QtGui.QImage(buf, buf.shape[1], buf.shape[0],
                                  QtGui.QImage.Format_ARGB32_Premultiplied)
            _setDevicePixelRatioF(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

Instances