def make_image(self, renderer, magnification=1.0, unsampled=False):
     if self._A is None:
         raise RuntimeError('You must first set the image array')
     if unsampled:
         raise ValueError('unsampled not supported on PColorImage')
     fc = self.axes.patch.get_facecolor()
     bg = mcolors.to_rgba(fc, 0)
     bg = (np.array(bg)*255).astype(np.uint8)
     l, b, r, t = self.axes.bbox.extents
     width = (np.round(r) + 0.5) - (np.round(l) - 0.5)
     height = (np.round(t) + 0.5) - (np.round(b) - 0.5)
     # The extra cast-to-int is only needed for python2
     width = int(np.round(width * magnification))
     height = int(np.round(height * magnification))
     if self._rgbacache is None:
         A = self.to_rgba(self._A, bytes=True)
         self._rgbacache = A
         if self._A.ndim == 2:
             self.is_grayscale = self.cmap.is_gray()
     else:
         A = self._rgbacache
     vl = self.axes.viewLim
     im = _image.pcolor2(self._Ax, self._Ay, A,
                         height,
                         width,
                         (vl.x0, vl.x1, vl.y0, vl.y1),
                         bg)
     return im, l, b, IdentityTransform()

 def make_image(self, magnification=1.0):
     if self._A is None:
         raise RuntimeError('You must first set the image array')
     fc = self.axes.patch.get_facecolor()
     bg = mcolors.colorConverter.to_rgba(fc, 0)
     bg = (np.array(bg)*255).astype(np.uint8)
     l, b, r, t = self.axes.bbox.extents
     width = (round(r) + 0.5) - (round(l) - 0.5)
     height = (round(t) + 0.5) - (round(b) - 0.5)
     width = width * magnification
     height = height * magnification
     if self._rgbacache is None:
         A = self.to_rgba(self._A, alpha=self._alpha, bytes=True)
         self._rgbacache = A
         if self._A.ndim == 2:
             self.is_grayscale = self.cmap.is_gray()
     else:
         A = self._rgbacache
     vl = self.axes.viewLim
     im = _image.pcolor2(self._Ax, self._Ay, A,
                        height,
                        width,
                        (vl.x0, vl.x1, vl.y0, vl.y1),
                        bg)
     im.is_grayscale = self.is_grayscale
     return im