from PIL import Image

import re

#给图片添加一层蒙版，可以设置位置，尺寸，颜色，透明度

def img_add_glass(img,new_img='glass',glass_factor=0.3,glass_color='#ffffff',glass_x=0,glass_y=0,glass_width=300,glass_height=100):

image=object

if isinstance(img,str):

image= Image.open(img)

if new_img=='myself':

new_img=img

elif new_img=='glass':

new_img=img+'_glass.png'

else:

image=img

# 转换为rgba模式

image.convert('RGBA')

# 产生白色底部图片

glass_color_r, glass_color_g, glass_color_b = toRgb(glass_color)

img_blank = Image.new('RGBA', (glass_width, glass_height), (glass_color_r, glass_color_g, glass_color_b, int(255 * glass_factor)))

r, g, b, a = img_blank.split()

#粘贴图片蒙版

image.paste(img_blank, (glass_x, glass_y), mask=a)

#保存img

#如果是图像对象就返回对象，不保存

if isinstance(img, str):

image.save(new_img)

else:

new_img=image

return new_img

pass

def toRgb(colorhex):

#转16进制转rgb

#rx, gx, bx = toRgb('#FFFAF0')

if not colorhex.startswith('#'):

colorhex='#'+ colorhex

opt = re.findall(r'(.{2})',colorhex[1:]) #将字符串两两分割

rgb = [] #用以存放最后结果

for i in range (0, len(opt)): #for循环，遍历分割后的字符串列表

rgb.append(int(opt[i], 16))

#print(rgb) #输出最后结果，末尾的","不打印

return rgb

# img='./chunks/tempb.png'

#

# factor=0.2

# #转换为rgba模式

# image2 = Image.open(img)

# image2 = image2.convert('RGBA')

#

# #产生白色底部图片

# img_blank=Image.new('RGBA', (1080,200), (0,255,255,int(255*factor)))

# r,g,b,a=img_blank.split()

#

# image2.paste(img_blank,(0,1700),mask=a)

#

# image2.save('./chunks/text.png')

#rx,gx,bx=toRgb('#FFFAF0')

#print ([rx,gx,bx])

img='./chunks/txt.jpg'

new_img='./chunks/texts.png'

img_add_glass(img=img,new_img=new_img,glass_width=2180,glass_height=300,glass_x=0,glass_y=1000)