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Day15 images and office document processing (Image and office document processing)
Operation image
1. Color
- Fine three primary colors: RGY
- Shade the three primary colors: RGB
| name | RGBA values |
|---|---|
| Red | (255, 0, 0, 255) |
| Green | (0, 255, 0, 255) |
| Blue | (0, 0, 255, 255) |
| Yellow | (255, 255, 0, 255) |
| White | (255, 255, 255, 255) |
| Gray | (128, 128, 128, 255) |
| Black | (0, 0, 0, 255) |
| Purple | (128, 0, 128, 255) |
2. pixels (Pixel)
Pillow operation image with
Installation pillow
pip install pillow
example
from PIL import Image, ImageFilter
image = Image.open('cute_man.jpg')
image2 = Image.open('fresh_man.jpg')
print('format:%s, size:%s, mode:%s' % (image.format, image.size, image.mode))
# 1.裁剪图像
rect = 59, 8, 411, 312 # left, upper, right, down
cute_head = image.crop(rect)
# 2.生成缩略图
size = 128, 128
image.thumbnail(size)
# 3.缩放和粘贴图像
width, height = cute_head.size
image2.paste(cute_head.resize((int(width / 1.5), int(height / 1.5))), (250, 200))
# 4.旋转和翻转
image.rotate(180).show() # 180度旋转
image.transpose(Image.FLIP_LEFT_RIGHT).show() # 左右翻转
# 5.操作像素
for x in range(52, 406):
for y in range(12, 312):
image.putpixel((x, y), (255, 0, 0)) # 红色
image.show() # 显示图片
# 6.滤镜效果
image.filter(ImageFilter.CONTOUR).show()
With Excel
Modules:
- openpyxl module
- xlrd
- xlwt
Word processing
Modules:
- python-docx
Processing PDF (Portable Document Format)
Modules:
- pypdf2
- reportlab