#include <ft2build.h>
#include <FT_ADVANCES_H>
#include <FT_INTERNAL_DEBUG_H>
#include "aflatin.h"
#include "aferrors.h"

Macros
#define	AF_LATIN_MAX_TEST_CHARACTERS 12

#define	FT_COMPONENT trace_aflatin

Functions
static void	af_latin_align_linked_edge (AF_GlyphHints hints, AF_Dimension dim, AF_Edge base_edge, AF_Edge stem_edge)

static void	af_latin_align_serif_edge (AF_GlyphHints hints, AF_Edge base, AF_Edge serif)

static FT_Pos	af_latin_compute_stem_width (AF_GlyphHints hints, AF_Dimension dim, FT_Pos width, AF_Edge_Flags base_flags, AF_Edge_Flags stem_flags)

	af_latin_hint_edges (AF_GlyphHints hints, AF_Dimension dim)

static FT_Error	af_latin_hints_apply (AF_GlyphHints hints, FT_Outline *outline, AF_LatinMetrics metrics)

	af_latin_hints_compute_blue_edges (AF_GlyphHints hints, AF_LatinMetrics metrics)

	af_latin_hints_compute_edges (AF_GlyphHints hints, AF_Dimension dim)

	af_latin_hints_compute_segments (AF_GlyphHints hints, AF_Dimension dim)

	af_latin_hints_detect_features (AF_GlyphHints hints, AF_Dimension dim)

static FT_Error	af_latin_hints_init (AF_GlyphHints hints, AF_LatinMetrics metrics)

	af_latin_hints_link_segments (AF_GlyphHints hints, AF_Dimension dim)

	af_latin_metrics_check_digits (AF_LatinMetrics metrics, FT_Face face)

	af_latin_metrics_init (AF_LatinMetrics metrics, FT_Face face)

static void	af_latin_metrics_init_blues (AF_LatinMetrics metrics, FT_Face face)

	af_latin_metrics_init_widths (AF_LatinMetrics metrics, FT_Face face, FT_ULong charcode)

	af_latin_metrics_scale (AF_LatinMetrics metrics, AF_Scaler scaler)

static void	af_latin_metrics_scale_dim (AF_LatinMetrics metrics, AF_Scaler scaler, AF_Dimension dim)

static FT_Pos	af_latin_snap_width (AF_Width widths, FT_Int count, FT_Pos width)

Variables
static const char	af_latin_blue_chars [AF_LATIN_MAX_BLUES][AF_LATIN_MAX_TEST_CHARACTERS+1]

static const AF_Script_UniRangeRec	af_latin_uniranges []

Macro Definition Documentation

#define AF_LATIN_MAX_TEST_CHARACTERS 12

Definition at line 168 of file aflatin.c.

Referenced by af_latin_metrics_init_blues().

#define FT_COMPONENT trace_aflatin

Definition at line 39 of file aflatin.c.

Function Documentation

static void af_latin_align_linked_edge	(	AF_GlyphHints	hints,
		AF_Dimension	dim,
		AF_Edge	base_edge,
		AF_Edge	stem_edge
	)

static

Definition at line 1750 of file aflatin.c.

References af_latin_compute_stem_width(), AF_GlyphHintsRec_::axis, AF_AxisHintsRec_::edges, AF_EdgeRec_::flags, FT_Pos, FT_TRACE5, AF_EdgeRec_::opos, and AF_EdgeRec_::pos.

Referenced by af_latin_hint_edges().

static void af_latin_align_serif_edge	(	AF_GlyphHints	hints,
		AF_Edge	base,
		AF_Edge	serif
	)

static

Definition at line 1776 of file aflatin.c.

References FT_UNUSED, AF_EdgeRec_::opos, and AF_EdgeRec_::pos.

Referenced by af_latin_hint_edges().

static FT_Pos af_latin_compute_stem_width	(	AF_GlyphHints	hints,
		AF_Dimension	dim,
		FT_Pos	width,
		AF_Edge_Flags	base_flags,
		AF_Edge_Flags	stem_flags
	)

static

Definition at line 1586 of file aflatin.c.

References AF_DIMENSION_VERT, AF_EDGE_ROUND, AF_EDGE_SERIF, AF_LATIN_HINTS_DO_HORZ_SNAP, AF_LATIN_HINTS_DO_MONO, AF_LATIN_HINTS_DO_STEM_ADJUST, AF_LATIN_HINTS_DO_VERT_SNAP, af_latin_snap_width(), AF_LatinMetricsRec_::axis, FT_Pos, AF_GlyphHintsRec_::metrics, and sign.

Referenced by af_latin_align_linked_edge(), and af_latin_hint_edges().

af_latin_hint_edges	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1800 of file aflatin.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, AF_EDGE_DONE, AF_HINTS_DO_BLUES, af_latin_align_linked_edge(), af_latin_align_serif_edge(), af_latin_compute_stem_width(), AF_EdgeRec_::blue_edge, AF_AxisHintsRec_::edges, AF_EdgeRec_::flags, FT_MulDiv(), FT_PIX_ROUND, FT_Pos, FT_TRACE5, AF_EdgeRec_::link, NULL, AF_AxisHintsRec_::num_edges, AF_EdgeRec_::opos, AF_EdgeRec_::pos, and AF_EdgeRec_::serif.

Referenced by af_latin_hints_apply().

static FT_Error af_latin_hints_apply	(	AF_GlyphHints	hints,
		FT_Outline *	outline,
		AF_LatinMetrics	metrics
	)

static

af_latin_hints_compute_blue_edges	(	AF_GlyphHints	hints,
		AF_LatinMetrics	metrics
	)

Definition at line 1354 of file aflatin.c.

References AF_DIMENSION_VERT, AF_EDGE_ROUND, AF_LATIN_BLUE_ACTIVE, AF_LATIN_BLUE_MAX, AF_LATIN_BLUE_TOP, AF_EdgeRec_::blue_edge, AF_LatinAxisRec_::blues, AF_EdgeRec_::dir, AF_AxisHintsRec_::edges, AF_LatinBlueRec_::flags, AF_EdgeRec_::flags, AF_EdgeRec_::fpos, FT_Bool, FT_BOOL, FT_MulFix(), FT_Pos, AF_AxisHintsRec_::major_dir, NULL, AF_AxisHintsRec_::num_edges, AF_LatinBlueRec_::ref, AF_LatinAxisRec_::scale, and AF_LatinBlueRec_::shoot.

Referenced by af_latin_hints_apply().

af_latin_hints_compute_edges	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1039 of file aflatin.c.

References af_axis_hints_new_edge(), AF_DIMENSION_HORZ, AF_DIR_NONE, AF_DIR_RIGHT, AF_DIR_UP, AF_EDGE_NORMAL, AF_EDGE_ROUND, AF_EDGE_SERIF, AF_SegmentRec_::dir, AF_EdgeRec_::dir, AF_SegmentRec_::edge, AF_LatinAxisRec_::edge_distance_threshold, AF_SegmentRec_::edge_next, AF_AxisHintsRec_::edges, error, AF_EdgeRec_::first, AF_SegmentRec_::flags, AF_EdgeRec_::flags, AF_EdgeRec_::fpos, FT_Bool, FT_DivFix(), FT_MulFix(), FT_Pos, FT_ZERO, AF_SegmentRec_::height, AF_EdgeRec_::last, AF_SegmentRec_::link, AF_EdgeRec_::link, AF_SegmentRec_::max_coord, AF_SegmentRec_::min_coord, NULL, AF_AxisHintsRec_::num_edges, AF_AxisHintsRec_::num_segments, AF_EdgeRec_::opos, AF_SegmentRec_::pos, AF_EdgeRec_::pos, AF_AxisHintsRec_::segments, AF_SegmentRec_::serif, and AF_EdgeRec_::serif.

Referenced by af_latin_hints_detect_features().

af_latin_hints_compute_segments	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

af_latin_hints_detect_features	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1333 of file aflatin.c.

References af_latin_hints_compute_edges(), af_latin_hints_compute_segments(), af_latin_hints_link_segments(), and error.

Referenced by af_latin_hints_apply().

static FT_Error af_latin_hints_init	(	AF_GlyphHints	hints,
		AF_LatinMetrics	metrics
	)

static

af_latin_hints_link_segments	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 946 of file aflatin.c.

References AF_LATIN_CONSTANT, AF_SegmentRec_::dir, AF_SegmentRec_::first, FT_Pos, AF_SegmentRec_::last, AF_SegmentRec_::link, AF_AxisHintsRec_::major_dir, max, AF_SegmentRec_::max_coord, min, AF_SegmentRec_::min_coord, AF_AxisHintsRec_::num_segments, AF_SegmentRec_::pos, AF_SegmentRec_::score, AF_AxisHintsRec_::segments, and AF_SegmentRec_::serif.

Referenced by af_latin_hints_detect_features(), and af_latin_metrics_init_widths().

af_latin_metrics_check_digits	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)

Definition at line 431 of file aflatin.c.

References FT_Bool, FT_Get_Advance(), FT_Get_Char_Index(), FT_LOAD_IGNORE_TRANSFORM, FT_LOAD_NO_HINTING, FT_LOAD_NO_SCALE, and i.

Referenced by af_latin_metrics_init().

af_latin_metrics_init	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)

Definition at line 478 of file aflatin.c.

References af_latin_metrics_check_digits(), af_latin_metrics_init_blues(), af_latin_metrics_init_widths(), error, FT_Select_Charmap(), and FT_Set_Charmap().

static void af_latin_metrics_init_blues	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)

static

af_latin_metrics_init_widths	(	AF_LatinMetrics	metrics,
		FT_Face	face,
		FT_ULong	charcode
	)

Definition at line 55 of file aflatin.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_MAX, AF_DIMENSION_VERT, af_glyph_hints_done(), af_glyph_hints_init(), af_glyph_hints_reload(), af_glyph_hints_rescale(), AF_LATIN_CONSTANT, af_latin_hints_compute_segments(), af_latin_hints_link_segments(), AF_LATIN_MAX_WIDTHS, af_sort_widths(), AF_GlyphHintsRec_::axis, AF_LatinAxisRec_::edge_distance_threshold, error, AF_LatinAxisRec_::extra_light, AF_ScalerRec_::face, AF_ScalerRec_::flags, FT_Get_Char_Index(), FT_Load_Glyph(), FT_LOAD_NO_SCALE, FT_Pos, FT_RENDER_MODE_NORMAL, FT_ZERO, AF_SegmentRec_::link, AF_GlyphHintsRec_::memory, AF_AxisHintsRec_::num_segments, AF_SegmentRec_::pos, AF_ScalerRec_::render_mode, AF_LatinMetricsRec_::root, AF_ScriptMetricsRec_::scaler, AF_AxisHintsRec_::segments, AF_LatinAxisRec_::standard_width, AF_LatinMetricsRec_::units_per_em, AF_LatinAxisRec_::width_count, AF_LatinAxisRec_::widths, AF_ScalerRec_::x_delta, AF_ScalerRec_::x_scale, AF_ScalerRec_::y_delta, and AF_ScalerRec_::y_scale.

Referenced by af_latin_metrics_init().

af_latin_metrics_scale	(	AF_LatinMetrics	metrics,
		AF_Scaler	scaler
	)

Definition at line 703 of file aflatin.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, and af_latin_metrics_scale_dim().

static void af_latin_metrics_scale_dim	(	AF_LatinMetrics	metrics,
		AF_Scaler	scaler,
		AF_Dimension	dim
	)

static

static FT_Pos af_latin_snap_width	(	AF_Width	widths,
		FT_Int	count,
		FT_Pos	width
	)

static

Definition at line 1537 of file aflatin.c.

References FT_PIX_ROUND, and FT_Pos.

Referenced by af_latin_compute_stem_width().

Variable Documentation

const char af_latin_blue_chars[AF_LATIN_MAX_BLUES][AF_LATIN_MAX_TEST_CHARACTERS+1]

static

Initial value:

=
  {
    "THEZOCQS",
    "HEZLOCUS",
    "fijkdbh",
    "xzroesc",
    "xzroesc",
    "pqgjy"
  }

Definition at line 172 of file aflatin.c.

Referenced by af_latin_metrics_init_blues().

const AF_Script_UniRangeRec af_latin_uniranges[]

static

Initial value:

=
  {
    AF_UNIRANGE_REC(  0x0020UL,  0x007FUL ),  
    AF_UNIRANGE_REC(  0x00A0UL,  0x00FFUL ),  
    AF_UNIRANGE_REC(  0x0100UL,  0x017FUL ),  
    AF_UNIRANGE_REC(  0x0180UL,  0x024FUL ),  
    AF_UNIRANGE_REC(  0x0250UL,  0x02AFUL ),  
    AF_UNIRANGE_REC(  0x02B0UL,  0x02FFUL ),  
    AF_UNIRANGE_REC(  0x0300UL,  0x036FUL ),  
    AF_UNIRANGE_REC(  0x0370UL,  0x03FFUL ),  
    AF_UNIRANGE_REC(  0x0400UL,  0x04FFUL ),  
    AF_UNIRANGE_REC(  0x0500UL,  0x052FUL ),  
    AF_UNIRANGE_REC(  0x1D00UL,  0x1D7FUL ),  
    AF_UNIRANGE_REC(  0x1D80UL,  0x1DBFUL ),  
    AF_UNIRANGE_REC(  0x1DC0UL,  0x1DFFUL ),  
    AF_UNIRANGE_REC(  0x1E00UL,  0x1EFFUL ),  
    AF_UNIRANGE_REC(  0x1F00UL,  0x1FFFUL ),  
    AF_UNIRANGE_REC(  0x2000UL,  0x206FUL ),  
    AF_UNIRANGE_REC(  0x2070UL,  0x209FUL ),  
    AF_UNIRANGE_REC(  0x20A0UL,  0x20CFUL ),  
    AF_UNIRANGE_REC(  0x2150UL,  0x218FUL ),  
    AF_UNIRANGE_REC(  0x2460UL,  0x24FFUL ),  
    AF_UNIRANGE_REC(  0x2C60UL,  0x2C7FUL ),  
    AF_UNIRANGE_REC(  0x2DE0UL,  0x2DFFUL ),  
    AF_UNIRANGE_REC(  0xA640UL,  0xA69FUL ),  
    AF_UNIRANGE_REC(  0xA720UL,  0xA7FFUL ),  
    AF_UNIRANGE_REC(  0xFB00UL,  0xFB06UL ),  
    AF_UNIRANGE_REC( 0x1D400UL, 0x1D7FFUL ),  
  }

Definition at line 2312 of file aflatin.c.

Macros

Functions

Variables

Macro Definition Documentation

Function Documentation

Variable Documentation