class IfdLe(Structure):
"""IFD Segment (Little Endian)"""
count: int = member(fmt=uint16_l, compute=True) # type: ignore
tags: list = sized_member(size=count, fmt=ifd_tag_array_le, ratio=IfdTagLe.nbytes) # type: ignore
next: int = member(fmt=uint32_l)
class Ifd(Structure):
"""IFD Segment"""
count: int = member(fmt=uint16, compute=True) # type: ignore
tags: list = sized_member(size=count, fmt=ifd_tag_array, ratio=IfdTag.nbytes) # type: ignore
next: int = member(fmt=uint32)
class TiffHeader(Structure):
"""TIFF Header"""
byte_order: int = member(fmt=tiff_byte_order)
reserved: int = member(fmt=uint16)
ifd_offset: int = member(fmt=BYTE_ORDER_MAP.__getitem__, fmt_arg=byte_order) # type: ignore
class IfdTagLe(Structure):
"""IFD Tag (Little Endian)"""
tag_id: int = member(fmt=uint16_l)
type: int = member(fmt=exif_type_le)
value_count: int = member(fmt=uint32_l)
value_offset: int = member(fmt=uint32_l)
class IfdTag(Structure):
"""IFD Tag"""
tag_id: int = member(fmt=uint16)
type: int = member(fmt=exif_type)
value_count: int = member(fmt=uint32)
value_offset: int = member(fmt=uint32)
class RationalDtypeLe(Structure):
"""RATIONAL Datatype (Little Endian)"""
numerator: int = member(fmt=uint32_le)
denominator: int = member(fmt=uint32_le)
class RationalDtype(Structure):
"""RATIONAL Datatype"""
numerator: int = member(fmt=uint32)
denominator: int = member(fmt=uint32)