24 lines
664 B
Python
24 lines
664 B
Python
"""Provides objects that can characterize image streams.
|
|
|
|
That characterization is as to content type and size, as a required step in including
|
|
them in a document.
|
|
"""
|
|
|
|
from docx.image.bmp import Bmp
|
|
from docx.image.gif import Gif
|
|
from docx.image.jpeg import Exif, Jfif
|
|
from docx.image.png import Png
|
|
from docx.image.tiff import Tiff
|
|
|
|
SIGNATURES = (
|
|
# class, offset, signature_bytes
|
|
(Png, 0, b"\x89PNG\x0D\x0A\x1A\x0A"),
|
|
(Jfif, 6, b"JFIF"),
|
|
(Exif, 6, b"Exif"),
|
|
(Gif, 0, b"GIF87a"),
|
|
(Gif, 0, b"GIF89a"),
|
|
(Tiff, 0, b"MM\x00*"), # big-endian (Motorola) TIFF
|
|
(Tiff, 0, b"II*\x00"), # little-endian (Intel) TIFF
|
|
(Bmp, 0, b"BM"),
|
|
)
|