代码拉取完成,页面将自动刷新
https://github.com/python-pillow/Pillow
$ pip install pillow
$ pip list
from PIL import Image
image = Image.open("mylogo.jpg")
# 图片基本信息
print(image.filename)
print(image.format)
print(image.mode)
print(image.size)
print(image.info)
# attributes_list = [attribute for attribute in dir(image) if attribute[0].islower()]
# print(attributes_list)
# 取得某个点的RGB
print(image.getpixel((128, 256)))
from PIL import Image
image = Image.open("mylogo.jpg")
# 1位像素图
image.convert("1").save("img1_pixels.png", quality=100)
# 8位灰度图
image.convert("L").save("imgL_grayscale.png", quality=100)
# 8位彩图
image.convert("P").save("imgP_8_bit_colors.png", quality=100)
https://pillow.readthedocs.io/en/stable/handbook/concepts.html#concept-modes
from PIL import Image
image = Image.open("mylogo.jpg")
# 图片剪切:开始点x1, 开始点y1, 结束点x2, 结束点y2
image.crop((240, 30, 300, 240)).save("img_crop.png")
from PIL import Image
image = Image.open("mylogo.jpg")
image.rotate(30).save("img_rotate_30.png")
image.rotate(-30).save("img_rotate_-30.png")
image.rotate(30, Image.NEAREST, True).save("img_rotate_30_expand.png")
from PIL import Image
image = Image.open("mylogo.jpg")
# 指定大小
img_resize = image.resize((200, 200), Image.NEAREST)
img_resize.save("img_resized.jpg")
# 宽高取半
# img_resize = image.resize((int(image.width/2), int(image.height/2)), Image.NEAREST)
# img_resize.save("img_resized.jpg")
from PIL import Image, ImageDraw, ImageFont
image = Image.open("mylogo.jpg")
image_draw = ImageDraw.Draw(image)
# 画线
image_draw.line((0, image.height, image.width, 0), fill=(255, 0, 0), width=8)
# 矩形
image_draw.rectangle((100, 100, 200, 200), fill=(0, 255, 0))
# 圆形
image_draw.ellipse((250, 300, 450, 400), fill=(0, 0, 255))
# 写字
image_font = ImageFont.truetype("C:\Windows\Fonts\msyh.ttc", size=48)
image_draw.multiline_text((0, 0), 'Pillow is good!', fill=(255, 255, 0), font = image_font)
image.save("img_edited.png")
import os
import glob
from PIL import Image
files = glob.glob('./*.jpg')
for file in files:
img = Image.open(file)
# 宽高取半
img_resize = img.resize((int(img.width/2), int(img.height/2)))
ftitle, fext = os.path.splitext(file)
img_resize.save(ftitle + '_half' + fext)
https://gitee.com/komavideo/LearnPillow
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