/* gstate.h -- define data structures for Graphics State, graphics states are  * mananged by font instructions. * Copyright (C) 1996 Li-Da Lho, All right reserved. */#ifndef __TTF_GSTATE_H#define __TTF_GSTATE_H/* $Id: gstate.h,v 1.2 1998/07/06 06:07:01 werner Exp $ *//* unit vectors used for directional purposes */#define F2Dot14_ONE 1<<14#define F2Dot14_EPSILON 1#define F26Dot6_ONE 1L<<26#define F26Dot6_EPSILON 1Ltypedef struct{  F2Dot14 x;  F2Dot14 y;}TTFUnitVector;/* Unit vectors pointing into x and y direction */#define UnitX {F2Dot14_ONE,0}#define UnitY {0,F2Dot14_ONE}/* vectors used as positional vectors */typedef struct{  F26Dot6 x;  F26Dot6 y;}TTFVector;/* the types of the following fields are not well defined in the True Type * Font specification. * We can define them as we like. */typedef struct{  /* boolean values */  BYTE auto_flip;  BYTE scan_control;  USHORT instruction_control;  SHORT round_state;  F26Dot6 control_value_cut_in;  F26Dot6 minimum_distance;  F26Dot6 single_width_cut_in;  FWord single_width_value;  ULONG delta_base;  ULONG delta_shift;  /* unit vectors */  TTFUnitVector dual_projection_vector;  TTFUnitVector freedom_vector;  TTFUnitVector projection_vector;  /* reference points */  ULONG rp0;  ULONG rp1;  ULONG rp2;  /* zone pointers: take only 0 or 1 as values */  ULONG zp0;  ULONG zp1;  ULONG zp2;  SHORT gep0;  SHORT gep1;  SHORT gep2;  ULONG loop;}GraphicsState;#define GS_DEFAULT#endif /* __TTF_GSTATE_H *//* end of gstate.h */