Lines Matching refs:Dx
1007 Long Dx, Dy;
1014 Dx = x2 - x1;
1024 x1 += SMulDiv( Dx, miny - y1, Dy );
1036 /* x2 += FMulDiv( Dx, maxy - y2, Dy ); UNNECESSARY */
1052 x1 += SMulDiv( Dx, ras.precision - f1, Dy );
1078 if ( Dx > 0 )
1080 Ix = SMulDiv_No_Round( ras.precision, Dx, Dy );
1081 Rx = ( ras.precision * Dx ) % Dy;
1082 Dx = 1;
1086 Ix = -SMulDiv_No_Round( ras.precision, -Dx, Dy );
1087 Rx = ( ras.precision * -Dx ) % Dy;
1088 Dx = -1;
1103 x1 += Dx;
