#codeexample
Определяем разрешение JPEG изображения
Определяем разрешение JPEG изображения
def jpeg_res(filename):
# open image for reading in binary mode
with open(filename,'rb') as img_file:
# height of img (in 2 bytes), 164th position
img_file.seek(163)
# read the 2 bytes
a = img_file.read(2)
# calculate height
height = (a[0] << 8) + a[1]
# next 2 bytes is width
a = img_file.read(2)
# calculate width
width = (a[0] << 8) + a[1]
print("The resolution of the image is",width,"x",height)