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Create Python Program to Find the Size (Resolution) of a Image #713

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24 changes: 24 additions & 0 deletions Python/Python Program to Find the Size (Resolution) of a Image
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def jpeg_res(filename):
""""This function prints the resolution of the jpeg image file passed into it"""

# open image for reading in binary mode
with open(filename,'rb') as img_file:

# height of image (in 2 bytes) is at 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)

jpeg_res("img1.jpg")