def get_surface_as_array(self, order=None):
if self.surface is None:
raise render.RenderError("No AGG surface defined")
# TODO: could these have changed between the time that self.surface
# was last updated?
wd, ht = self.dims
# Get agg surface as a numpy array
arr8 = np.fromstring(self.surface.tobytes(), dtype=np.uint8)
arr8 = arr8.reshape((ht, wd, len(self.rgb_order)))
# adjust according to viewer's needed order
return self.reorder(order, arr8)
def render_image(self, rgbobj, dst_x, dst_y):
"""Render the image represented by (rgbobj) at dst_x, dst_y
in the pixel space.
*** internal method-- do not use ***
"""
if self.surface is None:
return
self.logger.debug("redraw surface")
# get window contents as a buffer and paste it into the PIL surface
# TODO: allow greater bit depths when support is better in PIL
rgb_arr = self.viewer.getwin_array(order=self.rgb_order, dtype=np.uint8)
p_image = Image.fromarray(rgb_arr)
if self.surface is None or p_image.size != self.surface.size:
# window size must have changed out from underneath us!
width, height = self.viewer.get_window_size()
self.resize((width, height))
if p_image.size != self.surface.size:
raise render.RenderError("Rendered image does not match window size")
self.surface.paste(p_image)
def get_surface_as_array(self, order=None):
if self.surface is None:
raise render.RenderError("No OpenCv surface defined")
# adjust according to viewer's needed order
return self.reorder(order, self.surface)
def get_surface_as_array(self, order=None):
raise render.RenderError(
"This renderer can only be used with an opengl viewer")
