pshglob.h File Reference

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Classes
struct	PSH_WidthRec_
struct	PSH_WidthsRec_
struct	PSH_DimensionRec_
struct	PSH_Blue_ZoneRec_
struct	PSH_Blue_TableRec_
struct	PSH_BluesRec_
struct	PSH_GlobalsRec_
struct	PSH_AlignmentRec_

Macros
#define	PS_GLOBALS_MAX_BLUE_ZONES   16
#define	PS_GLOBALS_MAX_STD_WIDTHS   16
#define	PSH_BLUE_ALIGN_NONE   0
#define	PSH_BLUE_ALIGN_TOP   1
#define	PSH_BLUE_ALIGN_BOT   2

Typedefs
typedef struct PSH_WidthRec_	PSH_WidthRec
typedef struct PSH_WidthRec_ *	PSH_Width
typedef struct PSH_WidthsRec_	PSH_WidthsRec
typedef struct PSH_WidthsRec_ *	PSH_Widths
typedef struct PSH_DimensionRec_	PSH_DimensionRec
typedef struct PSH_DimensionRec_ *	PSH_Dimension
typedef struct PSH_Blue_ZoneRec_	PSH_Blue_ZoneRec
typedef struct PSH_Blue_ZoneRec_ *	PSH_Blue_Zone
typedef struct PSH_Blue_TableRec_	PSH_Blue_TableRec
typedef struct PSH_Blue_TableRec_ *	PSH_Blue_Table
typedef struct PSH_BluesRec_	PSH_BluesRec
typedef struct PSH_BluesRec_ *	PSH_Blues
typedef struct PSH_GlobalsRec_	PSH_GlobalsRec
typedef struct PSH_AlignmentRec_	PSH_AlignmentRec
typedef struct PSH_AlignmentRec_ *	PSH_Alignment

Functions
	psh_globals_funcs_init (PSH_Globals_FuncsRec *funcs)
	psh_globals_set_scale (PSH_Globals globals, FT_Fixed x_scale, FT_Fixed y_scale, FT_Fixed x_delta, FT_Fixed y_delta)
	psh_blues_snap_stem (PSH_Blues blues, FT_Int stem_top, FT_Int stem_bot, PSH_Alignment alignment)

Macro Definition Documentation

PS_GLOBALS_MAX_BLUE_ZONES

#define PS_GLOBALS_MAX_BLUE_ZONES   16

Definition at line 48 of file pshglob.h.

PS_GLOBALS_MAX_STD_WIDTHS

#define PS_GLOBALS_MAX_STD_WIDTHS   16

Definition at line 60 of file pshglob.h.

PSH_BLUE_ALIGN_BOT

#define PSH_BLUE_ALIGN_BOT   2

Definition at line 146 of file pshglob.h.

PSH_BLUE_ALIGN_NONE

#define PSH_BLUE_ALIGN_NONE   0

Definition at line 144 of file pshglob.h.

PSH_BLUE_ALIGN_TOP

#define PSH_BLUE_ALIGN_TOP   1

Definition at line 145 of file pshglob.h.

Typedef Documentation

PSH_Alignment

typedef struct PSH_AlignmentRec_ * PSH_Alignment

PSH_AlignmentRec

typedef struct PSH_AlignmentRec_ PSH_AlignmentRec

PSH_Blue_Table

typedef struct PSH_Blue_TableRec_ * PSH_Blue_Table

PSH_Blue_TableRec

typedef struct PSH_Blue_TableRec_ PSH_Blue_TableRec

PSH_Blue_Zone

typedef struct PSH_Blue_ZoneRec_ * PSH_Blue_Zone

PSH_Blue_ZoneRec

typedef struct PSH_Blue_ZoneRec_ PSH_Blue_ZoneRec

PSH_Blues

typedef struct PSH_BluesRec_ * PSH_Blues

PSH_BluesRec

typedef struct PSH_BluesRec_ PSH_BluesRec

PSH_Dimension

typedef struct PSH_DimensionRec_ * PSH_Dimension

PSH_DimensionRec

typedef struct PSH_DimensionRec_ PSH_DimensionRec

PSH_GlobalsRec

typedef struct PSH_GlobalsRec_ PSH_GlobalsRec

PSH_Width

typedef struct PSH_WidthRec_ * PSH_Width

PSH_WidthRec

typedef struct PSH_WidthRec_ PSH_WidthRec

PSH_Widths

typedef struct PSH_WidthsRec_ * PSH_Widths

PSH_WidthsRec

typedef struct PSH_WidthsRec_ PSH_WidthsRec

Function Documentation

psh_blues_snap_stem()

psh_blues_snap_stem	(	PSH_Blues	blues,
		FT_Int	stem_top,
		FT_Int	stem_bot,
		PSH_Alignment	alignment
	)

Definition at line 549 of file pshglob.c.

  {
    PSH_Blue_Table  table;
    FT_UInt         count;
    FT_Pos          delta;
    PSH_Blue_Zone   zone;
    FT_Int          no_shoots;
 
 
    alignment->align = PSH_BLUE_ALIGN_NONE;
 
    no_shoots = blues->no_overshoots;
 
    /* look up stem top in top zones table */
    table = &blues->normal_top;
    count = table->count;
    zone  = table->zones;
 
    for ( ; count > 0; count--, zone++ )
    {
      delta = SUB_LONG( stem_top, zone->org_bottom );
      if ( delta < -blues->blue_fuzz )
        break;
 
      if ( stem_top <= zone->org_top + blues->blue_fuzz )
      {
        if ( no_shoots || delta <= blues->blue_threshold )
        {
          alignment->align    |= PSH_BLUE_ALIGN_TOP;
          alignment->align_top = zone->cur_ref;
        }
        break;
      }
    }
 
    /* look up stem bottom in bottom zones table */
    table = &blues->normal_bottom;
    count = table->count;
    zone  = table->zones + count-1;
 
    for ( ; count > 0; count--, zone-- )
    {
      delta = SUB_LONG( zone->org_top, stem_bot );
      if ( delta < -blues->blue_fuzz )
        break;
 
      if ( stem_bot >= zone->org_bottom - blues->blue_fuzz )
      {
        if ( no_shoots || delta < blues->blue_threshold )
        {
          alignment->align    |= PSH_BLUE_ALIGN_BOT;
          alignment->align_bot = zone->cur_ref;
        }
        break;
      }
    }
  }

Referenced by psh_hint_align().

psh_globals_funcs_init()

psh_globals_funcs_init

(

PSH_Globals_FuncsRec *

funcs

)

Definition at line 788 of file pshglob.c.

  {
    funcs->create    = psh_globals_new;
    funcs->set_scale = psh_globals_set_scale;
    funcs->destroy   = psh_globals_destroy;
  }

Referenced by ps_hinter_init().

psh_globals_set_scale()

psh_globals_set_scale	(	PSH_Globals	globals,
		FT_Fixed	x_scale,
		FT_Fixed	y_scale,
		FT_Fixed	x_delta,
		FT_Fixed	y_delta
	)

Definition at line 755 of file pshglob.c.

  {
    PSH_Dimension  dim;
 
 
    dim = &globals->dimension[0];
    if ( x_scale != dim->scale_mult  ||
         x_delta != dim->scale_delta )
    {
      dim->scale_mult  = x_scale;
      dim->scale_delta = x_delta;
 
      psh_globals_scale_widths( globals, 0 );
    }
 
    dim = &globals->dimension[1];
    if ( y_scale != dim->scale_mult  ||
         y_delta != dim->scale_delta )
    {
      dim->scale_mult  = y_scale;
      dim->scale_delta = y_delta;
 
      psh_globals_scale_widths( globals, 1 );
      psh_blues_scale_zones( &globals->blues, y_scale, y_delta );
    }
  }

Referenced by ps_hints_apply(), and psh_globals_funcs_init().