aftypes.h File Reference

#include <ft2build.h>
#include "afblue.h"
#include "afwrtsys.h"
#include "afscript.h"
#include "afcover.h"
#include "afstyles.h"

Include dependency graph for aftypes.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Classes
struct	AF_WidthRec_
struct	AF_ScalerRec_
struct	AF_WritingSystemClassRec_
struct	AF_Script_UniRangeRec_
struct	AF_ScriptClassRec_
struct	AF_StyleClassRec_
struct	AF_StyleMetricsRec_

Macros
#define	AF_ANGLE_PI   256
#define	AF_ANGLE_2PI   ( AF_ANGLE_PI * 2 )
#define	AF_ANGLE_PI2   ( AF_ANGLE_PI / 2 )
#define	AF_ANGLE_PI4   ( AF_ANGLE_PI / 4 )
#define	AF_ANGLE_DIFF(result, angle1, angle2)
#define	AF_SCALER_FLAG_NO_HORIZONTAL   1U /* disable horizontal hinting */
#define	AF_SCALER_FLAG_NO_VERTICAL   2U /* disable vertical hinting */
#define	AF_SCALER_FLAG_NO_ADVANCE   4U /* disable advance hinting */
#define	AF_SCALER_FLAG_NO_WARPER   8U /* disable warper */
#define	AF_SCALER_EQUAL_SCALES(a, b)
#define	AFWRTSYS_H_   /* don't load header files */
#define	WRITING_SYSTEM(ws, WS)    AF_WRITING_SYSTEM_ ## WS,
#define	SCRIPT(s, S, d, h, H, ss)    AF_SCRIPT_ ## S,
#define	AF_UNIRANGE_REC(a, b)   { (FT_UInt32)(a), (FT_UInt32)(b) }
#define	COVERAGE(name, NAME, description, tag1, tag2, tag3, tag4)    AF_COVERAGE_ ## NAME,
#define	STYLE(s, S, d, ws, sc, ss, c)    AF_STYLE_ ## S,
#define	AF_HINTING_BOTTOM_TO_TOP   0
#define	AF_HINTING_TOP_TO_BOTTOM   1
#define	AF_DECLARE_WRITING_SYSTEM_CLASS(writing_system_class)
#define	AF_DEFINE_WRITING_SYSTEM_CLASS( writing_system_class, system, m_size, m_init, m_scale, m_done, m_stdw, h_init, h_apply)
#define	AF_DECLARE_SCRIPT_CLASS(script_class)
#define	AF_DEFINE_SCRIPT_CLASS( script_class, script, ranges, nonbase_ranges, top_to_bottom, std_charstring)
#define	AF_DECLARE_STYLE_CLASS(style_class)
#define	AF_DEFINE_STYLE_CLASS( style_class, style, writing_system, script, blue_stringset, coverage)

Typedefs
typedef FT_BEGIN_HEADER struct AF_WidthRec_	AF_WidthRec
typedef FT_BEGIN_HEADER struct AF_WidthRec_ *	AF_Width
typedef FT_Int	AF_Angle
typedef struct AF_GlyphHintsRec_ *	AF_GlyphHints
typedef struct AF_ScalerRec_	AF_ScalerRec
typedef struct AF_ScalerRec_ *	AF_Scaler
typedef struct AF_StyleMetricsRec_ *	AF_StyleMetrics
typedef FT_Error(*	AF_WritingSystem_InitMetricsFunc) (AF_StyleMetrics metrics, FT_Face face)
typedef void(*	AF_WritingSystem_ScaleMetricsFunc) (AF_StyleMetrics metrics, AF_Scaler scaler)
typedef void(*	AF_WritingSystem_DoneMetricsFunc) (AF_StyleMetrics metrics)
typedef void(*	AF_WritingSystem_GetStdWidthsFunc) (AF_StyleMetrics metrics, FT_Pos *stdHW, FT_Pos *stdVW)
typedef FT_Error(*	AF_WritingSystem_InitHintsFunc) (AF_GlyphHints hints, AF_StyleMetrics metrics)
typedef FT_Error(*	AF_WritingSystem_ApplyHintsFunc) (FT_UInt glyph_index, AF_GlyphHints hints, FT_Outline *outline, AF_StyleMetrics metrics)
typedef enum AF_WritingSystem_	AF_WritingSystem
typedef struct AF_WritingSystemClassRec_	AF_WritingSystemClassRec
typedef const AF_WritingSystemClassRec *	AF_WritingSystemClass
typedef enum AF_Script_	AF_Script
typedef struct AF_Script_UniRangeRec_	AF_Script_UniRangeRec
typedef const AF_Script_UniRangeRec *	AF_Script_UniRange
typedef struct AF_ScriptClassRec_	AF_ScriptClassRec
typedef const AF_ScriptClassRec *	AF_ScriptClass
typedef enum AF_Coverage_	AF_Coverage
typedef enum AF_Style_	AF_Style
typedef struct AF_StyleClassRec_	AF_StyleClassRec
typedef const AF_StyleClassRec *	AF_StyleClass
typedef struct AF_FaceGlobalsRec_ *	AF_FaceGlobals
typedef struct AF_StyleMetricsRec_	AF_StyleMetricsRec

Enumerations
enum	AF_WritingSystem_ { AF_WRITING_SYSTEM_MAX }
enum	AF_Script_ { AF_SCRIPT_MAX }
enum	AF_Coverage_ { AF_COVERAGE_DEFAULT }
enum	AF_Style_ { AF_STYLE_MAX }

Functions
	af_sort_pos (FT_UInt count, FT_Pos *table)
	af_sort_and_quantize_widths (FT_UInt *count, AF_Width widths, FT_Pos threshold)

Macro Definition Documentation

AF_ANGLE_2PI

#define AF_ANGLE_2PI   ( AF_ANGLE_PI * 2 )

Definition at line 114 of file aftypes.h.

AF_ANGLE_DIFF

#define AF_ANGLE_DIFF	(		result,
			angle1,
			angle2
	)

Value:

  FT_BEGIN_STMNT                                \
    AF_Angle  _delta = (angle2) - (angle1);     \
                                                \
                                                \
    while ( _delta <= -AF_ANGLE_PI )            \
      _delta += AF_ANGLE_2PI;                   \
                                                \
    while ( _delta > AF_ANGLE_PI )              \
      _delta -= AF_ANGLE_2PI;                   \
                                                \
    result = _delta;                            \
  FT_END_STMNT

Definition at line 138 of file aftypes.h.

AF_ANGLE_PI

#define AF_ANGLE_PI   256

Definition at line 113 of file aftypes.h.

AF_ANGLE_PI2

#define AF_ANGLE_PI2   ( AF_ANGLE_PI / 2 )

Definition at line 115 of file aftypes.h.

AF_ANGLE_PI4

#define AF_ANGLE_PI4   ( AF_ANGLE_PI / 4 )

Definition at line 116 of file aftypes.h.

AF_DECLARE_SCRIPT_CLASS

#define AF_DECLARE_SCRIPT_CLASS

(

script_class

)

Value:

  FT_CALLBACK_TABLE const AF_ScriptClassRec     \
  script_class;

Definition at line 522 of file aftypes.h.

AF_DECLARE_STYLE_CLASS

#define AF_DECLARE_STYLE_CLASS

(

style_class

)

Value:

  FT_CALLBACK_TABLE const AF_StyleClassRec    \
  style_class;

Definition at line 544 of file aftypes.h.

AF_DECLARE_WRITING_SYSTEM_CLASS

#define AF_DECLARE_WRITING_SYSTEM_CLASS

(

writing_system_class

)

Value:

  FT_CALLBACK_TABLE const AF_WritingSystemClassRec              \
  writing_system_class;

Definition at line 491 of file aftypes.h.

AF_DEFINE_SCRIPT_CLASS

#define AF_DEFINE_SCRIPT_CLASS	(		script_class,
			script,
			ranges,
			nonbase_ranges,
			top_to_bottom,
			std_charstring
	)

Value:

  FT_CALLBACK_TABLE_DEF                   \
  const AF_ScriptClassRec  script_class = \
  {                                       \
    script,                               \
    ranges,                               \
    nonbase_ranges,                       \
    top_to_bottom,                        \
    std_charstring,                       \
  };

Definition at line 526 of file aftypes.h.

AF_DEFINE_STYLE_CLASS

#define AF_DEFINE_STYLE_CLASS	(		style_class,
			style,
			writing_system,
			script,
			blue_stringset,
			coverage
	)

Value:

  FT_CALLBACK_TABLE_DEF                 \
  const AF_StyleClassRec  style_class = \
  {                                     \
    style,                              \
    writing_system,                     \
    script,                             \
    blue_stringset,                     \
    coverage                            \
  };

Definition at line 548 of file aftypes.h.

AF_DEFINE_WRITING_SYSTEM_CLASS

#define AF_DEFINE_WRITING_SYSTEM_CLASS	(		writing_system_class,
			system,
			m_size,
			m_init,
			m_scale,
			m_done,
			m_stdw,
			h_init,
			h_apply
	)

Value:

  FT_CALLBACK_TABLE_DEF                                  \
  const AF_WritingSystemClassRec  writing_system_class = \
  {                                                      \
    system,                                              \
                                                         \
    m_size,                                              \
                                                         \
    m_init,                                              \
    m_scale,                                             \
    m_done,                                              \
    m_stdw,                                              \
                                                         \
    h_init,                                              \
    h_apply                                              \
  };

Definition at line 495 of file aftypes.h.

AF_HINTING_BOTTOM_TO_TOP

#define AF_HINTING_BOTTOM_TO_TOP   0

Definition at line 484 of file aftypes.h.

AF_HINTING_TOP_TO_BOTTOM

#define AF_HINTING_TOP_TO_BOTTOM   1

Definition at line 485 of file aftypes.h.

AF_SCALER_EQUAL_SCALES

#define AF_SCALER_EQUAL_SCALES	(		a,
			b
	)

Value:

          ( (a)->x_scale == (b)->x_scale && \
            (a)->y_scale == (b)->y_scale && \
            (a)->x_delta == (b)->x_delta && \
            (a)->y_delta == (b)->y_delta )

Definition at line 191 of file aftypes.h.

AF_SCALER_FLAG_NO_ADVANCE

#define AF_SCALER_FLAG_NO_ADVANCE   4U /* disable advance hinting */

Definition at line 174 of file aftypes.h.

AF_SCALER_FLAG_NO_HORIZONTAL

#define AF_SCALER_FLAG_NO_HORIZONTAL   1U /* disable horizontal hinting */

Definition at line 172 of file aftypes.h.

AF_SCALER_FLAG_NO_VERTICAL

#define AF_SCALER_FLAG_NO_VERTICAL   2U /* disable vertical hinting */

Definition at line 173 of file aftypes.h.

AF_SCALER_FLAG_NO_WARPER

#define AF_SCALER_FLAG_NO_WARPER   8U /* disable warper */

Definition at line 175 of file aftypes.h.

AF_UNIRANGE_REC

#define AF_UNIRANGE_REC	(		a,
			b
	)		{ (FT_UInt32)(a), (FT_UInt32)(b) }

Definition at line 333 of file aftypes.h.

AFWRTSYS_H_

#define AFWRTSYS_H_   /* don't load header files */

Definition at line 258 of file aftypes.h.

COVERAGE

#define COVERAGE	(		name,
			NAME,
			description,
			tag1,
			tag2,
			tag3,
			tag4
	)		AF_COVERAGE_ ## NAME,

Definition at line 403 of file aftypes.h.

SCRIPT

#define SCRIPT	(		s,
			S,
			d,
			h,
			H,
			ss
	)		AF_SCRIPT_ ## S,

Definition at line 312 of file aftypes.h.

STYLE

#define STYLE	(		s,
			S,
			d,
			ws,
			sc,
			ss,
			c
	)		AF_STYLE_ ## S,

Definition at line 431 of file aftypes.h.

WRITING_SYSTEM

#define WRITING_SYSTEM	(		ws,
			WS
	)		AF_WRITING_SYSTEM_ ## WS,

Definition at line 260 of file aftypes.h.

Typedef Documentation

AF_Angle

typedef FT_Int AF_Angle

Definition at line 110 of file aftypes.h.

AF_Coverage

typedef enum AF_Coverage_ AF_Coverage

AF_FaceGlobals

typedef struct AF_FaceGlobalsRec_* AF_FaceGlobals

Definition at line 467 of file aftypes.h.

AF_GlyphHints

typedef struct AF_GlyphHintsRec_* AF_GlyphHints

Definition at line 156 of file aftypes.h.

AF_Scaler

typedef struct AF_ScalerRec_ * AF_Scaler

AF_ScalerRec

typedef struct AF_ScalerRec_ AF_ScalerRec

AF_Script

typedef enum AF_Script_ AF_Script

AF_Script_UniRange

typedef const AF_Script_UniRangeRec* AF_Script_UniRange

Definition at line 335 of file aftypes.h.

AF_Script_UniRangeRec

typedef struct AF_Script_UniRangeRec_ AF_Script_UniRangeRec

AF_ScriptClass

typedef const AF_ScriptClassRec* AF_ScriptClass

Definition at line 352 of file aftypes.h.

AF_ScriptClassRec

typedef struct AF_ScriptClassRec_ AF_ScriptClassRec

AF_Style

typedef enum AF_Style_ AF_Style

AF_StyleClass

typedef const AF_StyleClassRec* AF_StyleClass

Definition at line 456 of file aftypes.h.

AF_StyleClassRec

typedef struct AF_StyleClassRec_ AF_StyleClassRec

AF_StyleMetrics

typedef struct AF_StyleMetricsRec_* AF_StyleMetrics

Definition at line 198 of file aftypes.h.

AF_StyleMetricsRec

typedef struct AF_StyleMetricsRec_ AF_StyleMetricsRec

AF_Width

typedef FT_BEGIN_HEADER struct AF_WidthRec_ * AF_Width

AF_WidthRec

typedef FT_BEGIN_HEADER struct AF_WidthRec_ AF_WidthRec

AF_WritingSystem

typedef enum AF_WritingSystem_ AF_WritingSystem

AF_WritingSystem_ApplyHintsFunc

typedef FT_Error(* AF_WritingSystem_ApplyHintsFunc) (FT_UInt glyph_index, AF_GlyphHints hints, FT_Outline *outline, AF_StyleMetrics metrics)

Definition at line 224 of file aftypes.h.

AF_WritingSystem_DoneMetricsFunc

typedef void(* AF_WritingSystem_DoneMetricsFunc) (AF_StyleMetrics metrics)

Definition at line 211 of file aftypes.h.

AF_WritingSystem_GetStdWidthsFunc

typedef void(* AF_WritingSystem_GetStdWidthsFunc) (AF_StyleMetrics metrics, FT_Pos *stdHW, FT_Pos *stdVW)

Definition at line 214 of file aftypes.h.

AF_WritingSystem_InitHintsFunc

typedef FT_Error(* AF_WritingSystem_InitHintsFunc) (AF_GlyphHints hints, AF_StyleMetrics metrics)

Definition at line 220 of file aftypes.h.

AF_WritingSystem_InitMetricsFunc

typedef FT_Error(* AF_WritingSystem_InitMetricsFunc) (AF_StyleMetrics metrics, FT_Face face)

Definition at line 203 of file aftypes.h.

AF_WritingSystem_ScaleMetricsFunc

typedef void(* AF_WritingSystem_ScaleMetricsFunc) (AF_StyleMetrics metrics, AF_Scaler scaler)

Definition at line 207 of file aftypes.h.

AF_WritingSystemClass

typedef const AF_WritingSystemClassRec* AF_WritingSystemClass

Definition at line 291 of file aftypes.h.

AF_WritingSystemClassRec

typedef struct AF_WritingSystemClassRec_ AF_WritingSystemClassRec

Enumeration Type Documentation

AF_Coverage_

enum AF_Coverage_

Enumerator
AF_COVERAGE_DEFAULT

Definition at line 408 of file aftypes.h.

  {
#include "afcover.h"
 
    AF_COVERAGE_DEFAULT
 
  } AF_Coverage;

AF_Script_

enum AF_Script_

Enumerator
AF_SCRIPT_MAX

Definition at line 316 of file aftypes.h.

  {
 
#include "afscript.h"
 
    AF_SCRIPT_MAX   /* do not remove */
 
  } AF_Script;

AF_Style_

enum AF_Style_

Enumerator
AF_STYLE_MAX

Definition at line 435 of file aftypes.h.

  {
 
#include "afstyles.h"
 
    AF_STYLE_MAX   /* do not remove */
 
  } AF_Style;

AF_WritingSystem_

enum AF_WritingSystem_

Enumerator
AF_WRITING_SYSTEM_MAX

Definition at line 264 of file aftypes.h.

  {
 
#include "afwrtsys.h"
 
    AF_WRITING_SYSTEM_MAX   /* do not remove */
 
  } AF_WritingSystem;

Function Documentation

af_sort_and_quantize_widths()

af_sort_and_quantize_widths	(	FT_UInt *	count,
		AF_Width	widths,
		FT_Pos	threshold
	)

Definition at line 210 of file afangles.c.

  {
    FT_UInt      i, j;
    FT_UInt      cur_idx;
    FT_Pos       cur_val;
    FT_Pos       sum;
    AF_WidthRec  swap;
 
 
    if ( *count == 1 )
      return;
 
    /* sort */
    for ( i = 1; i < *count; i++ )
    {
      for ( j = i; j > 0; j-- )
      {
        if ( table[j].org >= table[j - 1].org )
          break;
 
        swap         = table[j];
        table[j]     = table[j - 1];
        table[j - 1] = swap;
      }
    }
 
    cur_idx = 0;
    cur_val = table[cur_idx].org;
 
    /* compute and use mean values for clusters not larger than  */
    /* `threshold'; this is very primitive and might not yield   */
    /* the best result, but normally, using reference character  */
    /* `o', `*count' is 2, so the code below is fully sufficient */
    for ( i = 1; i < *count; i++ )
    {
      if ( table[i].org - cur_val > threshold ||
           i == *count - 1                    )
      {
        sum = 0;
 
        /* fix loop for end of array */
        if ( table[i].org - cur_val <= threshold &&
             i == *count - 1                     )
          i++;
 
        for ( j = cur_idx; j < i; j++ )
        {
          sum         += table[j].org;
          table[j].org = 0;
        }
        table[cur_idx].org = sum / (FT_Pos)j;
 
        if ( i < *count - 1 )
        {
          cur_idx = i + 1;
          cur_val = table[cur_idx].org;
        }
      }
    }
 
    cur_idx = 1;
 
    /* compress array to remove zero values */
    for ( i = 1; i < *count; i++ )
    {
      if ( table[i].org )
        table[cur_idx++] = table[i];
    }
 
    *count = cur_idx;
  }

Referenced by af_latin_metrics_init_widths().

af_sort_pos()

af_sort_pos	(	FT_UInt	count,
		FT_Pos *	table
	)

Definition at line 187 of file afangles.c.

  {
    FT_UInt  i, j;
    FT_Pos   swap;
 
 
    for ( i = 1; i < count; i++ )
    {
      for ( j = i; j > 0; j-- )
      {
        if ( table[j] >= table[j - 1] )
          break;
 
        swap         = table[j];
        table[j]     = table[j - 1];
        table[j - 1] = swap;
      }
    }
  }

Referenced by af_latin_metrics_init_blues().