References ▼
The following are possible values for the Flags field in the FILEINFO structure:
Constant |
Meaning |
FILEINFO_INTERLACED |
[0x00000001] Interlaced file |
FILEINFO_PROGRESSIVE |
[0x00000002] Progressive file |
FILEINFO_HAS_STAMP |
[0x00000004] The file includes a stamp image. |
FILEINFO_HAS_GLOBALBACKGROUND |
[0x00000008] The file has a global background color, specified in the GlobalBackground field of the FILEINFO structure. |
FILEINFO_HAS_GLOBALPALETTE |
[0x00000010] The file has a global palette, specified in the GlobalPalette field of the FILEINFO structure. |
FILEINFO_HAS_GLOBALLOOP |
[0x00000020] The GlobalLoop field that determines how many times an animation loops, is valid. If this flag is not set, GlobalLoop field in the FILEINFO structure does not contain valid data. |
FILEINFO_COMPRESSED |
[0x00000040] The file can be loaded as a 1-bit compressed image. For more information, refer to Speeding Up 1-Bit Documents. |
FILEINFO_NOPALETTE |
[0x00000080] The file is a grayscale TIF file, without a palette. |
FILEINFO_ROTATED |
[0x00000100] Image with an extended ViewPerspective |
FILEINFO_SIGNED |
[0x00000200] Image with signed values for pixels |
FILEINFO_LOSSLESSJPEG |
[0x00000400] Internal flag, indicating that the JPEG file uses the lossless compression. |
FILEINFO_HAS_ALPHA |
[0x00000800] The file has alpha channel information. |
FILEINFO_FORMATVALID |
[0x00001000] Only the format type is valid. |
FILEINFO_INFOVALID |
[0x00002000] The entire FILEINFO structure is valid. |
FILEINFO_LINK |
[0x00004000] The file is a Windows 95/NT link. |
FILEINFO_IFDVALID |
[0x00008000] The IFD field is valid. |
FILEINFO_NO_RESOLUTION |
[0x00020000] The file does not contain resolution information. |
FILEINFO_BIGTIFF |
[0x00040000] The file is in BigTIFF format, which allows files to grow over 4GB. |
FILEINFO_NAMEVALID |
[0x00080000] Use FILEINFO.Name to quickly determine the file type. Useful for speeding up loading stream files that do not have an identifiable signature. |
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