/***************************************************************************//*                                                                         *//*  pshglob.h                                                              *//*                                                                         *//*    PostScript hinter global hinting management.                         *//*                                                                         *//*  Copyright 2001, 2002 by                                                *//*  David Turner, Robert Wilhelm, and Werner Lemberg.                      *//*                                                                         *//*  This file is part of the FreeType project, and may only be used,       *//*  modified, and distributed under the terms of the FreeType project      *//*  license, LICENSE.TXT.  By continuing to use, modify, or distribute     *//*  this file you indicate that you have read the license and              *//*  understand and accept it fully.                                        *//*                                                                         *//***************************************************************************/  #ifndef __PSHGLOB_H__#define __PSHGLOB_H__  #include FT_FREETYPE_H#include FT_INTERNAL_POSTSCRIPT_HINTS_H  FT_BEGIN_HEADER    /*************************************************************************/  /*************************************************************************/  /*****                                                               *****/  /*****                    GLOBAL HINTS INTERNALS                     *****/  /*****                                                               *****/  /*************************************************************************/  /*************************************************************************/    /*************************************************************************/  /*                                                                       */  /* @constant:                                                            */  /*    PS_GLOBALS_MAX_BLUE_ZONES                                          */  /*                                                                       */  /* @description:                                                         */  /*    The maximum number of blue zones in a font global hints structure. */  /*    See @PS_Globals_BluesRec.                                          */  /*                                                                       */#define PS_GLOBALS_MAX_BLUE_ZONES  16    /*************************************************************************/  /*                                                                       */  /* @constant:                                                            */  /*    PS_GLOBALS_MAX_STD_WIDTHS                                          */  /*                                                                       */  /* @description:                                                         */  /*    The maximum number of standard and snap widths in either the       */  /*    horizontal or vertical direction.  See @PS_Globals_WidthsRec.      */  /*                                                                       */#define PS_GLOBALS_MAX_STD_WIDTHS  16    /* standard and snap width */  typedef struct  PSH_WidthRec_  {    FT_Int  org;    FT_Pos  cur;    FT_Pos  fit;   } PSH_WidthRec, *PSH_Width;    /* standard and snap widths table */  typedef struct  PSH_WidthsRec_  {    FT_UInt       count;    PSH_WidthRec  widths[PS_GLOBALS_MAX_STD_WIDTHS];   } PSH_WidthsRec, *PSH_Widths;    typedef struct  PSH_DimensionRec_  {    PSH_WidthsRec  stdw;    FT_Fixed       scale_mult;    FT_Fixed       scale_delta;   } PSH_DimensionRec, *PSH_Dimension;    /* blue zone descriptor */  typedef struct  PSH_Blue_ZoneRec_  {    FT_Int  org_ref;    FT_Int  org_delta;    FT_Int  org_top;    FT_Int  org_bottom;     FT_Pos  cur_ref;    FT_Pos  cur_delta;    FT_Pos  cur_bottom;    FT_Pos  cur_top;   } PSH_Blue_ZoneRec, *PSH_Blue_Zone;    typedef struct  PSH_Blue_TableRec_  {    FT_UInt           count;    PSH_Blue_ZoneRec  zones[PS_GLOBALS_MAX_BLUE_ZONES];   } PSH_Blue_TableRec, *PSH_Blue_Table;    /* blue zones table */  typedef struct  PSH_BluesRec_  {    PSH_Blue_TableRec  normal_top;    PSH_Blue_TableRec  normal_bottom;    PSH_Blue_TableRec  family_top;    PSH_Blue_TableRec  family_bottom;     FT_Fixed           blue_scale;    FT_Int             blue_shift;    FT_Int             blue_threshold;    FT_Int             blue_fuzz;    FT_Bool            no_overshoots;   } PSH_BluesRec, *PSH_Blues;    /* font globals.                                         */  /* dimension 0 => X coordinates + vertical hints/stems   */  /* dimension 1 => Y coordinates + horizontal hints/stems */  typedef struct  PSH_GlobalsRec_  {    FT_Memory         memory;    PSH_DimensionRec  dimension[2];    PSH_BluesRec      blues;   } PSH_GlobalsRec;  #define PSH_BLUE_ALIGN_NONE  0#define PSH_BLUE_ALIGN_TOP   1#define PSH_BLUE_ALIGN_BOT   2    typedef struct  PSH_AlignmentRec_  {    int     align;    FT_Pos  align_top;    FT_Pos  align_bot;   } PSH_AlignmentRec, *PSH_Alignment;    FT_LOCAL( void )  psh_globals_funcs_init( PSH_Globals_FuncsRec*  funcs );    /* snap a stem width to fitter coordinates.  `org_width' is in font */  /* units.  The result is in device pixels (26.6 format).            */  FT_LOCAL( FT_Pos )  psh_dimension_snap_width( PSH_Dimension  dimension,                            FT_Int         org_width );   /* snap a stem to one or two blue zones */  FT_LOCAL( void )  psh_blues_snap_stem( PSH_Blues      blues,                       FT_Int         stem_top,                       FT_Int         stem_bot,                       PSH_Alignment  alignment );  /* */ #ifdef DEBUG_HINTER  extern PSH_Globals  ps_debug_globals;#endif  FT_END_HEADER  #endif /* __PSHGLOB_H__ */  /* END */