import?sys
import?os
import?time
import?threading
import?cv2
import?pyprind


class?Charframe:
????ascii_char?=?“$@B%8&WM#*oahkbdpqwmZO0QLCJUYXzcvunxrjft/\|（）1{}[]?-_+~<>i!lI;:\“^‘‘.?“

????#?像素映射到字符
????def?pixelToChar（self?luminance）:
????????return?self.ascii_char[int（luminance?/?256?*?len（self.ascii_char））]

????#?將普通幀轉為?ASCII?字符幀
????def?convert（self?img?limitSize=-1?fill=False?wrap=False）:
????????if?limitSize?!=?-1?and?（img.shape[0]?>?limitSize[1]?or?img.shape[1]?>?limitSize[0]）:
????????????img?=?cv2.resize（img?limitSize?interpolation=cv2.INTER_AREA）
????????ascii_frame?=?‘‘
????????blank?=?‘‘
????????if?fill:
????????????blank?+=?‘?‘?*?（limitSize[0]?-?img.shape[1]）
????????if?wrap:
????????????blank?+=?‘\n‘
????????for?i?in?range（img.shape[0]）:
????????????for?j?in?range（img.shape[1]）:
????????????????ascii_frame?+=?self.pixelToChar（img[i?j]）
????????????ascii_frame?+=?blank
????????return?ascii_frame


class?V2Char（Charframe）:
????charVideo?=?[]
????timeInterval?=?0.