typedef struct _geom_elem { double coeffs[6]; } pGeomDefRec, *pGeomDefPtr; typedef struct _mpgeombanddef { int yOut; int in_width; } mpGeometryBandRec, *mpGeometryBandPtr; typedef void *pointer; typedef unsigned char CARD8; typedef CARD8 BytePixel; void BiGL_B (OUTP,srcimg,width,sline,pedpvt,pvtband) pointer OUTP; pointer *srcimg; register int width; int sline; pGeomDefPtr pedpvt; mpGeometryBandPtr pvtband; { register float s, t, st; register int isrcline,isrcpix; register int srcwidth = pvtband->in_width - 1; register BytePixel val; register BytePixel *ptrIn, *ptrJn; register double a = pedpvt->coeffs[0]; register double c = pedpvt->coeffs[2]; register double srcpix = a * ((double)(0.0000)) + pedpvt->coeffs[1] * (pvtband->yOut + ((double)(0.0000)) ) + pedpvt->coeffs[4]; register double srcline = c * ((double)(0.0000)) + pedpvt->coeffs[3] * (pvtband->yOut + ((double)(0.0000)) ) + pedpvt->coeffs[5]; if ( (isrcpix >= 0) && (isrcpix < srcwidth) ) val = ptrIn[isrcpix] * ((float)1. - s - t + st) + ptrIn[isrcpix+1] * (s - st) + ptrJn[isrcpix] * (t - st) + ptrJn[isrcpix+1] * (st) + (float)0.5 ; }