def set_crop_area(self):
r = Rect(self.croprect_start, self.croprect_end)
# adjust dimensions
r.clip_to(self.image_thumb_rect)
# ignore rects smaller than this size
if min(r.h, r.w) < 10:
return
ra = r
ra = ra.scale_rect(self.scale)
ra = ra.move_rect(self.x0, self.y0)
ra = ra.valid_rect(self.w, self.h)
if self.zoommode:
self.canvas.delete(tk.ALL)
self.x0 = ra.left
self.y0 = ra.top
self.region_rect = ra
self.displayimage()
self.zoommode = False
self.zoomButton.deselect()
self.zooming = True
else:
self.drawrect(r)
self.crop_rects.append(ra)
self.n = self.n + 1
self.set_button_state()