本文实例为大家分享了python实现水印生成器，python制作图片水印的具体代码，供大家参考，具体内容如下
制作一个水印生成器，方便训练水印图片数据采集。
图片水印生成器，可以给指定图片文件或者目录添加水印，水印支持自定义文本、位置、颜色、大小。
# -*- encoding=utf-8 -*-
import time
from PIL import Image, ImageDraw,ImageFont,ImageEnhance
"""图片水印生成器，自定义文字，颜色，大小，位置"""
# 横向上方水印
def auto_make_watermark1(filepath,content,color,savefilepath):
"""
:param filepath: 图片路径
:param content: 水印文字
:param color: 水印颜色
:param savefilepath: 保存路径
:return:
"""
image = Image.open(filepath).convert('RGB')
draw = ImageDraw.Draw(image)
font=ImageFont.truetype("simsun.ttc", 40, encoding="unic",index=1) # 设置水印字体
draw.text((80, 200), content,color, font) # 设置水印位置
image.save(savefilepath)
# 横向中间水印
def auto_make_watermark2(filepath,content,color,savefilepath):
"""
:param filepath: 图片路径
:param content: 水印文字
:param color: 水印颜色
:param savefilepath: 保存路径
:return:
"""
image = Image.open(filepath).convert('RGB')
draw = ImageDraw.Draw(image)
font=ImageFont.truetype("simsun.ttc", 40, encoding="unic",index=1) # 设置水印字体
draw.text((80, 400), content,color, font) # 设置水印位置
image.save(savefilepath)
# 横向最下方水印
def auto_make_watermark3(filepath,content,color,savefilepath):
"""
:param filepath: 图片路径
:param content: 水印文字
:param color: 水印颜色
:param savefilepath: 保存路径
:return:
"""
image = Image.open(filepath).convert('RGB')
draw = ImageDraw.Draw(image)
font=ImageFont.truetype("simsun.ttc", 40, encoding="unic",index=1) # 设置字体
draw.text((80,image.size[1]-150), content,color, font) # 设置水印位置
image.save(savefilepath)
# 横向中间倾斜水印45度
def auto_make_watermark4(filepath,content,color,savefilepath,radio):
"""
:param filepath: 图片路径
:param content: 水印文字
:param color: 水印颜色
:param savefilepath: 保存路径
:param radio: 水印倾斜角度
:return:
"""
im = Image.open(filepath)
watermark = Image.new('RGBA', im.size)
draw = ImageDraw.Draw(watermark, 'RGBA')
font = ImageFont.truetype("simsun.ttc", 40, encoding="unic", index=1)
# x y 坐标
draw.text((80, 400), content, font=font, fill=color)
# 旋转45度
watermark = watermark.rotate(radio, Image.BICUBIC)
# 透明的
alpha = watermark.split()[3]
alpha = ImageEnhance.Brightness(alpha).enhance(0.7)
watermark.putalpha(alpha)
# 合成新的图片
image2 = Image.composite(watermark, im, watermark)
image2.save(savefilepath)
if __name__ == '__main__':
time1=time.time()
filepath=r'F:/img_spam/python添加水印/10064003738101263000320010013284.jpg'
savefilepath='F:/img_spam/python添加水印/生成/'
text="诚招发单人,vx:18668124728"
colors=['red','green','black']
for color in colors:
auto_make_watermark1(filepath,text,color,savefilepath+'10064003738101263000320010013285'+'_'+color+'_'+'top'+'.jpg')
auto_make_watermark2(filepath, text, color,savefilepath + '10064003738101263000320010013285' + '_' + color+'_' +'mmddle'+'.jpg')
auto_make_watermark3(filepath, text, color,savefilepath + '10064003738101263000320010013285' + '_' + color +'_'+ 'down' + '.jpg')
auto_make_watermark4(filepath, text, color,savefilepath + '10064003738101263000320010013285' + '_' + color+'_' + 'angle' + '.png',45)
auto_make_watermark4(filepath, text, color,savefilepath + '10064003738101263000320010013285' + '_' + color + '_' +'angle_50' + '.png', -50)
time2=time.time()
print('总共耗时：' + str(time2 - time1) + 's')
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持编程网。
