ImageGear Professional for Linux
Metadata Structure "ValueType" and "Value"
ImageGear Professional > User Guide > File Format Reference > ImageGear Supported Non-Image Data Storage > Metadata Structure "ValueType" and "Value"

Here are possible combinations of ValueType and Value elements of AT_DATALIST_ITEM ImageGear metadata structure:

ValueType Value
AM_TID_META_INT8
  • The "FLTR.METADATA_FORMAT" global parameter value is "text" :
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 8-bit signed integers separated by comma. Example: "-128;0;+45;56"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" :
Value is pointer to array of 8-bit signed integers of size "Length"
AM_TID_META_UINT8
  • The "FLTR.METADATA_FORMAT" global parameter value is "text" :
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 8-bit unsigned integers separated by comma. The hexadecimal values are allowed. Example: "0;+18;255;0xFA"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 8-bit signed integers of size "Length"
AM_TID_META_INT16
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 16-bit signed integers separated by comma. Example: "0;+1800;-255;32355"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 16-bit signed integers of size "Length"
AM_TID_META_UINT16
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 16-bit unsigned integers separated by comma. The hexadecimal values are allowed. Example: "0;+543;2550;0x12FF"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 16-bit signed integers of size "Length"
AM_TID_META_INT32
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 32-bit signed integers separated by comma. Example: "0;+67;-235987;32355"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit signed integers of size "Length"
AM_TID_META_UINT32
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 32-bit unsigned integers separated by comma. The hexadecimal values are allowed. Example: "0;+543;12362550;0x56FDE345"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit signed integers of size "Length"
AM_TID_META_INT64
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated string - textual representation of "Length" 64-bit signed integers separated by comma.
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit signed integers of size "Length"
AM_TID_META_UINT64
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 64-bit unsigned integers separated by comma. The hexadecimal values are allowed.
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit signed integers of size "Length"
AM_TID_META_BOOL
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NULL-terminated string - textual representation of "Length" Boolean values separated by comma. Example: "TRUE;FALSE;false;true"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit unsigned integers of size "Length" The value 1 represents boolean TRUE and the value 0 represents boolean FALSE.
AM_TID_META_RATIONAL_INT32
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" rational values separated by comma. Each rational value is fraction where both numerator and denominator are 32-bit signed integers separated by slash. Zero is allowed. Example: "+324/-567;0/0;-68/45668"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit signed integers of size 2 * "Length" Each two elements represent pair (numerator, denominator) that represents rational number numerator/denominator.
AM_TID_META_RATIONAL_UNT32
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" rational values separated by comma. Each rational value is fraction where both numerator and denominator are 32-bit unsigned integers separated by slash. Zero is allowed. Example: "+324/567;0/0"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 32-bit unsigned integers of size 2 * "Length" Each two elements represent pair (numerator, denominator) that represents rational number numerator/denominator.
AM_TID_META_FLOAT
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 4-byte float-point values separated by comma. Example: "-298.98676;3568732;6.9876E-10;0"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 4-byte float-point values of size "Length"
AM_TID_META_DOUBLE
  • The "FLTR.METADATA_FORMAT" global parameter value is "text":
Value is pointer to NUL-terminated ASCII string - textual representation of "Length" 8-byte (double precision) float-point values separated by comma. Example: "-29842.9867698098;356873245345;6.98766575489E+50;0"
  • The "FLTR.METADATA_FORMAT" global parameter value is "binary" (DLL only):
Value is pointer to array of 8-byte (double precision) float-point values of size "Length"
AM_TID_META_STRING
  • It does not depend on "FLTR.METADATA_FORMAT" global parameter value
Value is pointer to NUL-terminated ASCII string, "Length" - length of the string (NULL is not counted). Example: "Simple string"
AM_TID_RAW_DATA
  • It does not depend on "FLTR.METADATA_FORMAT" global parameter value
Value is pointer to byte array that represent binary data, "Length" - size of the array in bytes.

 

 

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