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Indicates the region of interest to use.
typedef enum tagJ2KREGIONOFINTEREST{J2K_USE_LEAD_REGION = 0, // Use the LEAD bitmap region to define// the region of interest.J2K_USE_OPTION_RECT =1, // Use the rectangle specified in the rcROI// member of the FILEJ2KOPTIONS structure to// define the region of interest.} J2KREGIONOFINTEREST, *pJ2KREGIONOFINTEREST;
If J2K_USE_LEAD_REGION is used, then any region shape is acceptable. It will be converted internally by the filter to a rectangle.
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