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# XT_FIXPIX data structure.
define FP_LEN 13 # Length of FP structure
define FP_PM Memi[$1] # Pixel mask pointer
define FP_LVAL Memi[$1+1] # Mask value for line interpolation
define FP_CVAL Memi[$1+2] # Mask value for column interpolation
define FP_NCOLS Memi[$1+3] # Number of columns to interpolate
define FP_PCOL Memi[$1+4] # Pointer to columns
define FP_PL1 Memi[$1+5] # Pointer to start lines
define FP_PL2 Memi[$1+6] # Pointer to end lines
define FP_PV1 Memi[$1+7] # Pointer to start values
define FP_PV2 Memi[$1+8] # Pointer to end values
define FP_LMIN Memi[$1+9] # Minimum line
define FP_LMAX Memi[$1+10] # Maximum line
define FP_PIXTYPE Memi[$1+11] # Pixel type for values
define FP_DATA Memi[$1+12] # Data values
define FP_COL Memi[FP_PCOL($1)+$2-1]
define FP_L1 Memi[FP_PL1($1)+$2-1]
define FP_L2 Memi[FP_PL2($1)+$2-1]
define FP_V1 (FP_PV1($1)+$2-1)
define FP_V2 (FP_PV2($1)+$2-1)
define FP_LDEF 1 # Default line interpolation code
define FP_CDEF 2 # Default column interpolation code
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