# -*- coding: utf-8-*- # Author: Jack Cui import sys from turtle import width import cv2 from PIL import Image import numpy as np def parse_from_img(img_path): ??img = cv2.imread(img_path) ??img_h, img_w, _ = img.shape ??stepx = 10 ??stepy = 10 ??sml_w = img_w // stepx ??sml_h = img_h // stepy ??res_img = np.zeros((sml_h, sml_w, 3), np.uint8) ??for m in range(0, sml_w): ????for n in range(0, sml_h): ??????map_col = int(m * stepx + stepx * 0.5) ??????map_row = int(n * stepy + stepy * 0.5) ??????res_img[n, m] = img[map_row, map_col] ??return res_img def generate_img(big_img_path, small_img_path): ??big_img = cv2.imread(big_img_path) ??sml_img = cv2.imread(small_img_path) ??dst_img = big_img.copy() ??big_h, big_w, _ = big_img.shape ??sml_h, sml_w, _ = sml_img.shape ??stepx = big_w / sml_w ??stepy = big_h / sml_h ??for m in range(0, sml_w): ????for n in range(0, sml_h): ??????map_col = int(m * stepx + stepx * 0.5) ??????map_row = int(n * stepy + stepy * 0.5) ??????if map_col < big_w and map_row < big_h: ????????dst_img[map_row, map_col] = sml_img[n, m] ??return dst_img def Img2Text(img_fname): ??img = cv2.imread(img_fname) ??height, width, _ = img.shape ??text_list = [] ??for h in range(height): ????for w in range(width): ??????R, G, B = img[h, w] ??????if R | G | B == 0: ????????break ??????idx = (G << 8) + B ??????text_list.append(chr(idx)) ??text = "".join(text_list) ??with open("斗破蒼穹_dec.txt", "a", encoding="utf-8") as f: ????f.write(text) def Text2Img(txt_fname, save_fname): ??with open(txt_fname, "r", encoding="utf-8") as f: ????text = f.read() ??text_len = len(text) ??img_w = 1000 ??img_h = 1680 ??img = np.zeros((img_h, img_w, 3)) ??x = 0 ??y = 0 ??for each_text in text: ????idx = ord(each_text) ????rgb = (0, (idx & 0xFF00) >> 8, idx & 0xFF) ????img[y, x] = rgb ????if x == img_w - 1: ??????x = 0 ??????y += 1 ????else: ??????x += 1 ??cv2.imwrite(save_fname, img) def big_with_small(big_img_path, small_img_path, res_img_path): ??""" ??大圖里藏小圖 ??""" ??dst_img = generate_img(big_img_path, small_img_path) ??cv2.imwrite(res_img_path, dst_img) if __name__ == "__main__": ??# 將小圖藏于大圖中，并保存結(jié)果 ??big_img_path = "1.png" ??small_img_path = "2.png" ??res_img_path = "res.png" ??big_with_small(big_img_path, small_img_path, res_img_path) ??# 從大圖中，解析出小圖 ??parsed_img_fname = "parsed_img.png" ??parsed_img = parse_from_img(res_img_path) ??cv2.imwrite(parsed_img_fname, parsed_img) ??# 文本生成圖片 ??txt_fname = "斗破蒼穹.txt" ??txt_img_fname = "dpcq.png" ??txt_res_img_path = "text_res.png" ??Text2Img(txt_fname, txt_img_fname) ??# 將生成的文本圖片，藏于大圖中，并保存結(jié)果 ??big_with_small(big_img_path, txt_img_fname, txt_res_img_path) ??# 從藏有文本的大圖中，解析出文本小圖 ??parsed_img_text_fname = "pares_text_img.png" ??parsed_img_text = parse_from_img(txt_res_img_path) ??cv2.imwrite(parsed_img_text_fname, parsed_img_text) ??# 從文本圖片中，解析出文字 ??Img2Text(parsed_img_text_fname)