Exif IFD树结构
2018-10-25 19:34:32 4 举报
Exif IFD 的树形结构
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IFD1
- Number of Directory Entry- Directory Entry 0- Directory Entry 1 ...- Directory Entry (Tag = 0x0201) ...- Directory Entry n- Offset to next IFD- Data Area
TIFF Header
- Byte Align- Tag Mark- Offset to first IFD
IFD0
- Number of Directory Entry- Directory Entry 0- Directory Entry 1 ...- Directory Entry (Tag = 0x8769) ...- Directory Entry n- Offset to next IFD- Data Area
Thumbnail
Image
Interoperability IFD
- Number of Directory Entry- Directory Entry 0- Directory Entry 1...- Directory Entry n- End of Link- Data Area
IFDn
. . .
Exif Sub IFD
- Number of Directory Entry- Directory Entry 0- Directory Entry 1 ...- Directory Entry (Tag = 0xa005) ...- Directory Entry n- End of Link- Data Area
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