python实现图像处理之PiL依赖库的案例应用详解

#coding=utf-8
#Auther by Alice
#在图片的右上角增加一个数字
 
from PIL import Image,ImageFont,ImageDraw
image = Image.open('/Users/alice/Documents/Photo/IMG_8379.JPG')
#打开原图
 
wight, hight = image.size
text = "015"
color = (255,255,0)
fontsize = wight//10
font = ImageFont.truetype('Apple Symbols',fontsize)
#设定增加的数字的参数，数字内容、数字颜色和数字字号
 
draw = ImageDraw.Draw(image)
draw.text((fontsize*6,0), text, color, font)
image.save('/Users/alice/Documents/Photo/IMG_7997.JPG', 'jpeg')
#保存添加了数字之后的图片

color = (105,200,45)
font = ImageFont.truetype('Palatino.ttc',fontsize)

#coding by alice
#coding=utf-8
 
from PIL import Image
 
im = Image.open('/Users/alice/Documents/Develop/PythonCode/test.JPG')
# 打开一个路径下的指定jpg图像文件
w,h = im.size
# 获得图像尺寸
im.thumbnail((w//10, h//10))
# 缩放到10%
im.save('/Users/alice/Documents/Develop/PythonCode/test2.JPG', 'jpeg')
# 把缩放后的图像用jpeg格式保存:

#coding by alice
#coding=utf-8
 
from PIL import Image
 
image = Image.open('/Users/alice/Documents/Develop/PythonCode/test.JPG')
# 打开一个路径下的指定jpg图像文件
wight,hight = image.size
# 获得图像尺寸
image.thumbnail((weight//10, high//10))
# 缩放到10%
image.save('/Users/alice/Documents/Develop/PythonCode/test2.JPG', 'jpeg')
# 把缩放后的图像用jpg格式保存:

#coding by alice
#coding=utf-8
 
from PIL import Image
from PIL import ImageFilter
 
image = Image.open('/Users/alice/Documents/Develop/PythonCode/test.JPG')
# 打开一个路径下的jpg图像文件
image = image.filter(ImageFilter.BLUR)
# 应用模糊滤镜
image.save('/Users/alice/Documents/Develop/PythonCode/test3.JPG', 'jpeg')
#保存图片

#coding by alice
#coding=utf-8
 
from PIL import Image
import matplotlib.pyplot as plt
 
image = Image.open('/Users/alice/Documents/Develop/PythonCode/test.JPG')
#打开所在位置及图像的名称
plt.figure('image')
#图像窗口名称
plt.imshow(image)
plt.show()