def __on_size_allocated_cb(self):
if not self.__cut_grips is None:
return
(a, b, img_w, img_h) = self.imgs['orig'][1].getbbox()
orig_alloc = self.__original_img_widgets['viewport'].get_allocation()
(orig_alloc_w, orig_alloc_h) = (orig_alloc.width, orig_alloc.height)
factor_w = (float(orig_alloc_w) / img_w)
factor_h = (float(orig_alloc_h) / img_h)
factor = min(factor_w, factor_h)
if factor > 1.0:
factor = 1.0
target_size = (int(factor * img_w), int(factor * img_h))
copy = self.imgs['orig'][1].copy()
self.imgs['resized'] = (factor,
copy.resize(target_size, PIL.Image.BILINEAR))
self.__cut_grips = ImgGripHandler(
[self.imgs['resized'], self.imgs['orig']],
self.__original_img_widgets['scrolledwindow'],
self.__original_img_widgets['eventbox'],
self.__original_img_widgets['img'])
self.__cut_grips.visible = False
self.__cut_grips.connect("grip-moved", self.__on_grip_moved_cb)
self.__redraw_result()
