python图片合成的示例

from PIL import Image

##这里采用传入图片地址调用此函数

#这个方法目前不支持按比例合成，默认为1：1
#各取一个像素点合并，传入的参数为两张图片的地址
def merge1(img1_address,img2_addess):
 status=100
 #状态码100为正常
 #  200为地址错误
 try:
  img1=Image.open(img1_address)
  img2=Image.open(img2_address)
 except:
  status=200
  img_new=""
 else:
  width=min(img1.size[0],img2.size[0])
  height=min(img1.size[1],img2.size[1])
  print(width,height)
  img_new = Image.new('RGB',(width,height))
  for x in range(width):
   for y in range(height):
    if y%2==0:
     pixel=img1.getpixel((x,y))
     img_new.putpixel((x,y),pixel)
    else:
     pixel=img2.getpixel((x,y))
     img_new.putpixel((x,y),pixel)
 finally:
  return img_new,status

from PIL import Image

#将像素点按比例取色，然后合成一个新像素点
#传入的参数为两张图片的地址和比例
#如果两者之和不为1则以第一个图片的比例为准
def merge2(img1_address,img2_address,percent1=0.50,percent2=0.50):
 status=100
 #状态码100为正常
 #  200为地址错误
 try:
  img1=Image.open(img1_address)
  img2=Image.open(img2_address)
 except:
  status=200
  img_new=""
 else:
  if percent1+percent2!=1:
   percent2=1-percent1
  width = min(img1.size[0],img2.size[0])
  height = min(img1.size[1],img2.size[1])
  img_new = Image.new('RGB',(width,height))
  for x in range(width):
   for y in range(height):
    r1,g1,b1=img1.getpixel((x,y))
    r2,g2,b2=img2.getpixel((x,y))
    r=int(percent1*r1+percent2*r2)
    g=int(percent1*g1+percent2*g2)
    b=int(percent1*b1+percent2*b2)
    img_new.putpixel((x,y),(r,g,b))
 finally:
  return img_new,status

from PIL import Image

##这里采用传入图片地址调用此函数

#这个方法目前不支持按比例合成，默认为1：1
#各取一个像素点合并，传入的参数为两张图片的地址
def merge1(img1_address, img2_addess, direct):
 status=100
 #状态码100为正常
 #  200为地址错误
 try:
  img1=Image.open(img1_address)
  img2=Image.open(img2_address)
 except:
  status=200
  img_new=""
 else:
  width=min(img1.size[0], img2.size[0])
  height=min(img1.size[1], img2.size[1])
  print(width,height)
  img_new = Image.new('RGB',(width, height))
  for x in range(width):
   for y in range(height):
    if y%2 == 0:
     pixel = img1.getpixel((x,y))
     img_new.putpixel((x,y), pixel)
    else:
     pixel = img2.getpixel((x,y))
     img_new.putpixel((x,y), pixel)
 finally:
  return status

#将像素点按比例取色，然后合成一个新像素点
#传入的参数为两张图片的地址和比例
#如果两者之和不为1则以第一个图片的比例为准
def merge2(img1_address, img2_address, direction, percent1):

 status = 100
 #状态码100为正常
 # 200为地址错误
 try:
  img1 = Image.open(img1_address)
  img2 = Image.open(img2_address)
 except:
  status = 200
  img_new = ""
 else:
  percent2 = 1 - percent1
  width = min(img1.size[0], img2.size[0])
  height = min(img1.size[1], img2.size[1])
  img_new = Image.new('RGB', (width,height))
  for x in range(width):
   for y in range(height):
    r1,g1,b1=img1.getpixel((x,y))
    r2,g2,b2=img2.getpixel((x,y))
    r = int(percent1 * r1 + percent2 * r2)
    g = int(percent1 * g1 +percent2 * g2)
    b = int(percent1 * b1 +percent2 * b2)
    img_new.putpixel((x,y),(r,g,b))
  img_new.save(direction)
  #img_new.show()
 finally:
  return status
 #切记在接受返回信息时先判断状态码是否异常，如果正确再执行相应操作
if __name__=='__main__':

 img1_address = "B:\Picture\YourName\1.jpg"
 img2_address = "B:\Picture\YourName\2.jpg"
 direction = "D:/Python/PyQt/课程设计/merges/merge9.png"
 status = merge2(img1_address, img2_address, direction, 0.30)
 print(status)