Jun 15, 2017 · Jun 18, 2017 · Jun 18, 2017 · Jun 18, 2017 · Jun 19, 2017 · Jun 20, 2017
diff --git a/lib/matplotlib/backends/backend_qt5cairo.py b/lib/matplotlib/backends/backend_qt5cairo.py

    def paintEvent(self, event):
        self._update_dpi()
        width = self.width()
        height = self.height()
        dpi_ratio = self._dpi_ratio
        width = dpi_ratio * self.width()
        height = dpi_ratio * self.height()
        surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
        self._renderer.set_ctx_from_surface(surface)
        self._renderer.set_width_height(width, height)
        # QImage under PySide on Python 3.
        if QT_API == 'PySide' and six.PY3:
            ctypes.c_long.from_address(id(buf)).value = 1
        if hasattr(qimage, 'setDevicePixelRatio'):
            # Not available on Qt4 or some older Qt5.
            qimage.setDevicePixelRatio(dpi_ratio)
        painter = QtGui.QPainter(self)
        painter.drawImage(0, 0, qimage)
        self._draw_rect_callback(painter)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,8 +10,9 @@ def __init__(self, figure):

		def paintEvent(self, event):
		self._update_dpi()
		width = self.width()
		height = self.height()
		dpi_ratio = self._dpi_ratio
		width = dpi_ratio * self.width()
		height = dpi_ratio * self.height()
		surface = cairo.ImageSurface(cairo.FORMAT_ARGB32, width, height)
		self._renderer.set_ctx_from_surface(surface)
		self._renderer.set_width_height(width, height)
Expand All		@@ -23,6 +24,9 @@ def paintEvent(self, event):
		# QImage under PySide on Python 3.
		if QT_API == 'PySide' and six.PY3:
		ctypes.c_long.from_address(id(buf)).value = 1
		if hasattr(qimage, 'setDevicePixelRatio'):
		# Not available on Qt4 or some older Qt5.
		qimage.setDevicePixelRatio(dpi_ratio)
		painter = QtGui.QPainter(self)
		painter.drawImage(0, 0, qimage)
		self._draw_rect_callback(painter)
Expand Down