Python+PIL实现支付宝AR红包

from PIL import Image,ImageFilter Diff_radius = 500diff_min = 1r_h, g_h, b_h = 43, 55, 66 image = Image.open('test.png')image_width = image.size[0]image_height = image.size[1]rgb_im = image.convert('RGB') img_sharpen = image.filter(ImageFilter.SHARPEN) img_new = Image.new('RGBA', image.size, (255,255,255,255))img_copy = img_sharpen.crop((0,0,image_width,image_height))img_new.paste(img_copy, (0,0,image_width,image_height)) y_tmp = 0 for y in range(image_height):  y_is_black = 0  current_line_flag_acc = 0  for x in range(image_width):    r, g, b = rgb_im.getpixel((x, y))    if ((r_h-r)**2 + (g_h-g)**2 + (b_h-b)**2) < Diff_radius :      current_line_flag_acc = current_line_flag_acc + 1      if (x == image_width - 1) and (current_line_flag_acc > diff_min) :        y_is_black = 1        img1 = img_new.crop((0,y_tmp-2,image_width,y_tmp-1))        img_new.paste(img1, (0,y,image_width,y+1))        # print('y_tmp:%d -> y:%d'%(y_tmp,y))    elif (x == image_width - 1) and not y_is_black:      y_tmp = y# img_save = img_new.filter(ImageFilter.GaussianBlur(radius=1.5))img_new.save('test_1.png')print("done!")