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/* mou_tp.h */

#define TRANSFORMATION_UNITS_PER_PIXEL 4

typedef struct

{

        /*

         * Coefficients for the transformation formulas:

         *

         *     m = (ax + by + c) / s

         *     n = (dx + ey + f) / s

         *

         * These formulas will transform a device point (x, y) to a

         * screen point (m, n) in fractional pixels.  The fraction

         * is 1 / TRANSFORMATION_UNITS_PER_PIXEL.

         */

        int a, b, c, d, e, f, s;

} TRANSFORMATION_COEFFICIENTS;