Python3.4 PIL的使用详解编程语言

from PIL import Image, ImageFilter, ImageDraw, ImageFont, ImageEnhance, ImageFilter   
image1 = Image.open('C:/Users/hengli/Desktop/1.jpg')   
image2 = Image.open('C:/Users/hengli/Desktop/2.jpg')   
def 图片大小(image):   
   w, h = image.size      #获得图片的大小（分辨率）   
   return w, h   
def 图片剪裁(image, p1, p2, p3, p4):   
    box = (p1, p2, p3, p4)   
    image = image.crop(box)   
    image.show()   
    return image   
def 图片压缩(image, size1, size2):   
    image.thumbnail((size1, size2), Image.ANTIALIAS)   
    image.show()   
    return image   
def 图片旋转(image, jiaodu):   
    image = image.rotate(jiaodu)   
    image.show()   
    return image   
def 图片黑白转换1(image):   
    image = image.convert('L')   #(8-bit pixels, black and white)   
    image.show()   
    return image   
def 图片过滤(image):   
    image.filter(ImageFilter.DETAIL)   
def 图片写字(image, p1, p2, text):   
    draw = ImageDraw.Draw(image)   
    draw.text((p1, p2), text)   
    image.show()   
#w, h = image1.size   
#图片写字(image1, w-100, h-20, 'hello')   
def 图片拼接(image1, image2):   
    images = (image1, image2)   
    w, h = image1.size   
    target = Image.new('RGB', (w*2, h))   
    left = 0   
    right = w   
    for image in images:   
        temp = image.resize((w, h), Image.ANTIALIAS)   
        target.paste(temp, (left, 0, right, h))   
        left += w   
        right += w   
    target.show()   
#图片拼接(image1, image2)   
def 图片黑白转换2(image):   
    image = image.convert('1')   #(1-bit pixels, black and white, stored with one pixel per byte)   
    image.show()   
    return image   
def 图片虚化(image):   
    image = image.convert('P')   #(8-bit pixels, mapped to any other mode using a colour palette)   
    image.show()   
    return image   
def 图片转换怀旧(image):   
    image = image.convert('LA')   
    image.show()   
    return image   
def 图片锐化(image, qiangdu):   
    enhancer = ImageEnhance.Sharpness(image)   
    enhancer.enhance(qiangdu).show()   
def 图片色彩增强(image, qiangdu):   
    enhancer = ImageEnhance.Color(image)   
    enhancer.enhance(qiangdu).show()   
def 图片亮度增强(image, qiangdu):   
    enhancer = ImageEnhance.Brightness(image)   
    enhancer.enhance(qiangdu).show()   
def 图片对比度增强(image, qiangdu):   
    enhancer = ImageEnhance.Contrast(image)   
    enhancer.enhance(qiangdu).show()   
def 图片BlUR(image):   
    image = image.filter(ImageFilter.BLUR)   
    image.show()   
def 图片MinFilter(image):   
    image = image.filter(ImageFilter.MinFilter)   
    image.show()   
def 图片转换黑白线条(image):   
    image = image.filter(ImageFilter.CONTOUR)   
    image.show()   
def 图片EMBOSS(image):   
    image = image.filter(ImageFilter.EMBOSS)   
    image.show()   
def 图片FIND_EDGES(image):   
    image = image.filter(ImageFilter.FIND_EDGES)   
    image.show()