Quick Reference > Data Types > JPEG 2000 file format structures > L_JP2_FREE_BOX

L_JP2_FREE_BOX

typedef struct _tagL_JP2_FREE_BOX 
{ 
   L_UINT32 uStructSize; 
   L_UINT8 * pData; 
   L_SIZE_T uDataSize; 
}L_JP2_FREE_BOX,   *pL_JP2_FREE_BOX;

The L_JP2_FREE_BOX structure provides information for a Free box.

Member	Description
uStructSize	Size of this structure, in bytes. Use the sizeof operator to calculate this value.
pData	Free box data.
uDataSize	The size of Free box data.

Comments

The Free box specifies a section of the file that is being currently used and may be overwritten when editing the file. This box is defined in JPX and above file formats. A JPEG 2000 file may contain zero or more Free boxes.