python 将文字转为图片Logo

将中文填充颜色 并在图片中呈现

# __author__ = 'youngkl'
# -*- coding: utf-8 -*-

from PIL import Image,ImageDraw,ImageFont
from _ctypes import sizeof
import ConfigParser
import struct
from random import randint
from bs4 import BeautifulSoup

ConfigColor=ConfigParser.ConfigParser()

def add_corders(im,rad):
    circle=Image.new('L',(rad*2,rad*2),0)
    image=ImageDraw.Draw(circle)
    image.ellipse((0,0,rad*2,rad*2),fill=255)
    alpha=Image.new('L',im.size,255)
    w,h=im.size
    alpha.paste(circle.crop((0,0,rad,rad)),(0,0))
    alpha.paste(circle.crop((0,rad,rad,rad*2)),(0,h-rad))
    alpha.paste(circle.crop((rad,0,rad*2,rad)),(w-rad,0))
    alpha.paste(circle.crop((rad,rad,rad*2,rad*2)),(w-rad,h-rad))
    im.putalpha(alpha)
    return im

def hex2rgb(hex_color):

    return struct.unpack('BBB',hex_color.decode('hex'))

def cal_text_length(text):
    en_text_length=13
    zh_text_length=22
    zh_text_size=3
    offset=8
    if BeautifulSoup(text).originalEncoding=='utf-8':
        w=zh_text_length*text.__len__()/zh_text_size+offset
    else:
        w=en_text_length*text.__len__()
    return w

def generate_image(text,file_name,background_color,fill_color):
    width=128
    height=128
    font_size=24
    img=Image.new('RGB',(width,height),background_color)
    draw=ImageDraw.Draw(img)
    text_to_draw=unicode(text,'gbk')
    font=ImageFont.truetype('fonts/NotoSansCJKsc-Regular.otf',font_size)
    w=cal_text_length(text)
    draw.text(((width - w) / 2, (height - font_size) / 2), text_to_draw, font=font, fill=fill_color)
    del draw
    img=add_corders(img,20)
    img.save('build/'+filename+'.png')

ConfigColor.read("./color.ini")

bg_colors=[]
font_colors=[]

for color_name,color in ConfigColor.items('Color'):
    bg_colors.append(color.replace('#','').split(','[0]))
    # font_colors.append(color.replace('#','').split(','[0]))

colors_length=ConfigColor.items('Color').__len__()

for word,filename in ConfigColor.items('Text'):
    random_int=randint(0,colors_length-1)
    # print random_int
    print word,filename.replace('#','')
    # print bg_colors[random_int][0]
    bg_color=hex2rgb(bg_colors[random_int][0])

    font_color=hex2rgb(bg_colors[random_int][1])
    # print bg_color,font_color
    print bg_colors[random_int][0],bg_colors[random_int][1]

    generate_image(word.upper(),filename,bg_color,font_color)

更详细的解释可以参考  点击打开链接