cdef CefRefPtr[CefImage] cef_image

cpdef bytes GetAsBitmap(self,

float scale_factor,

cef_types.cef_color_type_t color_type,

cef_types.cef_alpha_type_t alpha_type):

cdef int pixel_width = 0

cdef int pixel_height = 0

if not self.cef_image.get():

raise Exception("cef_image is NULL")

cdef CefRefPtr[CefBinaryValue] binary_value =\

self.cef_image.get().GetAsBitmap(scale_factor,

color_type, alpha_type,

pixel_width, pixel_height)

cdef size_t size = binary_value.get().GetSize()

cdef void* abuffer = malloc(size)

binary_value.get().GetData(abuffer, size, 0)

cdef bytes ret = (<char*>abuffer)[:size]

free(abuffer)