aflatin2.c File Reference

#include "aflatin.h"
#include "aflatin2.h"
#include "aferrors.h"

Go to the source code of this file.

Defines
#define	AF_LATIN_MAX_TEST_CHARACTERS   12
#define	SORT_SEGMENTS
Functions
	af_latin2_hints_compute_segments (AF_GlyphHints hints, AF_Dimension dim)
	af_latin2_hints_link_segments (AF_GlyphHints hints, AF_Dimension dim)
	af_latin2_metrics_init_widths (AF_LatinMetrics metrics, FT_Face face, FT_ULong charcode)
static void	af_latin2_metrics_init_blues (AF_LatinMetrics metrics, FT_Face face)
	af_latin2_metrics_check_digits (AF_LatinMetrics metrics, FT_Face face)
	af_latin2_metrics_init (AF_LatinMetrics metrics, FT_Face face)
static void	af_latin2_metrics_scale_dim (AF_LatinMetrics metrics, AF_Scaler scaler, AF_Dimension dim)
	af_latin2_metrics_scale (AF_LatinMetrics metrics, AF_Scaler scaler)
	af_latin2_hints_compute_edges (AF_GlyphHints hints, AF_Dimension dim)
	af_latin2_hints_detect_features (AF_GlyphHints hints, AF_Dimension dim)
	af_latin2_hints_compute_blue_edges (AF_GlyphHints hints, AF_LatinMetrics metrics)
static FT_Error	af_latin2_hints_init (AF_GlyphHints hints, AF_LatinMetrics metrics)
static FT_Pos	af_latin2_snap_width (AF_Width widths, FT_Int count, FT_Pos width)
static FT_Pos	af_latin2_compute_stem_width (AF_GlyphHints hints, AF_Dimension dim, FT_Pos width, AF_Edge_Flags base_flags, AF_Edge_Flags stem_flags)
static void	af_latin2_align_linked_edge (AF_GlyphHints hints, AF_Dimension dim, AF_Edge base_edge, AF_Edge stem_edge)
static void	af_latin2_align_serif_edge (AF_GlyphHints hints, AF_Edge base, AF_Edge serif)
	af_latin2_hint_edges (AF_GlyphHints hints, AF_Dimension dim)
static FT_Error	af_latin2_hints_apply (AF_GlyphHints hints, FT_Outline *outline, AF_LatinMetrics metrics)
Variables
static const char	af_latin2_blue_chars [AF_LATIN_MAX_BLUES][AF_LATIN_MAX_TEST_CHARACTERS+1]
static const AF_Script_UniRangeRec	af_latin2_uniranges []

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Define Documentation

#define AF_LATIN_MAX_TEST_CHARACTERS   12

Definition at line 156 of file aflatin2.c.

#define SORT_SEGMENTS

Definition at line 657 of file aflatin2.c.

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Function Documentation

static void af_latin2_align_linked_edge	(	AF_GlyphHints	hints,
		AF_Dimension	dim,
		AF_Edge	base_edge,
		AF_Edge	stem_edge
	)			[static]

Definition at line 1740 of file aflatin2.c.

References af_latin2_compute_stem_width(), AF_LOG, AF_GlyphHintsRec_::axis, ROOT::Math::gv_detail::dist(), AF_AxisHintsRec_::edges, AF_EdgeRec_::flags, FT_Pos, AF_EdgeRec_::opos, and AF_EdgeRec_::pos.

Referenced by af_latin2_hint_edges().

static void af_latin2_align_serif_edge	(	AF_GlyphHints	hints,
		AF_Edge	base,
		AF_Edge	serif
	)			[static]

Definition at line 1763 of file aflatin2.c.

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

static FT_Pos af_latin2_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 1572 of file aflatin2.c.

References AF_DIMENSION_VERT, AF_EDGE_ROUND, AF_EDGE_SERIF, af_latin2_snap_width(), AF_LATIN_HINTS_DO_HORZ_SNAP, AF_LATIN_HINTS_DO_MONO, AF_LATIN_HINTS_DO_STEM_ADJUST, AF_LATIN_HINTS_DO_VERT_SNAP, axis, ROOT::Math::gv_detail::dist(), FT_Pos, FT_UNUSED, AF_GlyphHintsRec_::metrics, metrics(), and RootCsg::sign().

Referenced by af_latin2_align_linked_edge().

af_latin2_hint_edges	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1785 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, AF_EDGE_DONE, AF_HINTS_DO_BLUES, af_latin2_align_linked_edge(), AF_LOG, axis, blue, AF_EdgeRec_::blue_edge, AF_EdgeRec_::flags, FT_Pos, if(), AF_EdgeRec_::link, NULL, AF_EdgeRec_::opos, and AF_EdgeRec_::pos.

Referenced by af_latin2_hints_apply().

static FT_Error af_latin2_hints_apply	(	AF_GlyphHints	hints,
		FT_Outline *	outline,
		AF_LatinMetrics	metrics
	)			[static]

Definition at line 2244 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_MAX, AF_DIMENSION_VERT, af_glyph_hints_align_edge_points(), af_glyph_hints_align_strong_points(), af_glyph_hints_align_weak_points(), af_glyph_hints_reload(), AF_HINTS_DO_HORIZONTAL, AF_HINTS_DO_VERTICAL, af_latin2_hint_edges(), af_latin2_hints_compute_blue_edges(), af_latin2_hints_detect_features(), af_warper_compute(), error, FT_Pos, FT_RENDER_MODE_LIGHT, and metrics().

af_latin2_hints_compute_blue_edges	(	AF_GlyphHints	hints,
		AF_LatinMetrics	metrics
	)

Definition at line 1337 of file aflatin2.c.

References AF_DIMENSION_VERT, AF_EDGE_ROUND, AF_LATIN_BLUE_ACTIVE, AF_LATIN_BLUE_MAX, AF_LATIN_BLUE_TOP, axis, blue, AF_EdgeRec_::blue_edge, AF_LatinAxisRec_::blues, compare(), AF_EdgeRec_::dir, ROOT::Math::gv_detail::dist(), AF_EdgeRec_::flags, AF_EdgeRec_::fpos, FT_Bool, FT_BOOL, FT_MulFix(), FT_Pos, if(), NULL, and AF_LatinAxisRec_::scale.

Referenced by af_latin2_hints_apply().

af_latin2_hints_compute_edges	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1018 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIR_RIGHT, AF_DIR_UP, axis, ROOT::Math::gv_detail::dist(), AF_LatinAxisRec_::edge_distance_threshold, error, FT_DivFix(), FT_MulFix(), FT_Pos, AF_SegmentRec_::height, if(), NULL, AF_SegmentRec_::pos, AF_SegmentRec_::serif, AF_LatinAxisRec_::standard_width, and AF_LatinAxisRec_::width_count.

Referenced by af_latin2_hints_detect_features().

af_latin2_hints_compute_segments	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 660 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_EDGE_NORMAL, axis, error, AF_SegmentRec_::flags, FT_ABS, FT_ZERO, if(), NULL, AF_SegmentRec_::score, and start.

Referenced by af_latin2_hints_detect_features(), and af_latin2_metrics_init_widths().

af_latin2_hints_detect_features	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 1319 of file aflatin2.c.

References af_latin2_hints_compute_edges(), af_latin2_hints_compute_segments(), af_latin2_hints_link_segments(), and error.

Referenced by af_latin2_hints_apply().

static FT_Error af_latin2_hints_init	(	AF_GlyphHints	hints,
		AF_LatinMetrics	metrics
	)			[static]

Definition at line 1443 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, af_glyph_hints_rescale(), AF_LATIN_HINTS_HORZ_SNAP, AF_LATIN_HINTS_MONO, AF_LATIN_HINTS_STEM_ADJUST, AF_LATIN_HINTS_VERT_SNAP, AF_SCALER_FLAG_NO_HORIZONTAL, FT_RENDER_MODE_LCD, FT_RENDER_MODE_LCD_V, FT_RENDER_MODE_LIGHT, FT_RENDER_MODE_MONO, FT_RENDER_MODE_NORMAL, FT_STYLE_FLAG_ITALIC, metrics(), AF_GlyphHintsRec_::other_flags, AF_GlyphHintsRec_::scaler_flags, AF_GlyphHintsRec_::x_delta, AF_GlyphHintsRec_::x_scale, AF_GlyphHintsRec_::y_delta, and AF_GlyphHintsRec_::y_scale.

af_latin2_hints_link_segments	(	AF_GlyphHints	hints,
		AF_Dimension	dim
	)

Definition at line 918 of file aflatin2.c.

References AF_LATIN_CONSTANT, axis, AF_SegmentRec_::dir, ROOT::Math::gv_detail::dist(), AF_SegmentRec_::first, for(), FT_Pos, if(), AF_SegmentRec_::last, len, AF_SegmentRec_::link, max, AF_SegmentRec_::max_coord, min, AF_SegmentRec_::min_coord, AF_SegmentRec_::pos, and AF_SegmentRec_::score.

Referenced by af_latin2_hints_detect_features(), and af_latin2_metrics_init_widths().

af_latin2_metrics_check_digits	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)

Definition at line 407 of file aflatin2.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_latin2_metrics_init().

af_latin2_metrics_init	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)

Definition at line 453 of file aflatin2.c.

References af_latin2_metrics_check_digits(), af_latin2_metrics_init_blues(), af_latin2_metrics_init_widths(), error, FT_ENCODING_ADOBE_LATIN_1, FT_ENCODING_ADOBE_STANDARD, FT_ENCODING_NONE, FT_ENCODING_UNICODE, FT_Select_Charmap(), and FT_Set_Charmap().

static void af_latin2_metrics_init_blues	(	AF_LatinMetrics	metrics,
		FT_Face	face
	)			[static]

Definition at line 171 of file aflatin2.c.

References AF_DIMENSION_VERT, af_latin2_blue_chars, AF_LATIN_BLUE_ADJUSTMENT, AF_LATIN_BLUE_MAX, AF_LATIN_BLUE_SMALL_TOP, AF_LATIN_BLUE_TOP, AF_LATIN_IS_TOP_BLUE, AF_LATIN_MAX_TEST_CHARACTERS, AF_LOG, af_sort_pos(), axis, blue, FT_Outline_::contours, ROOT::Math::gv_detail::dist(), error, FT_Bool, FT_BOOL, FT_CURVE_TAG, FT_CURVE_TAG_ON, FT_Get_Char_Index(), FT_Load_Glyph(), FT_LOAD_NO_SCALE, FT_Pos, metrics(), FT_Outline_::n_contours, FT_Outline_::n_points, FT_GlyphSlotRec_::outline, p, FT_Outline_::points, points, start, FT_Outline_::tags, POINT::y, and y.

Referenced by af_latin2_metrics_init().

af_latin2_metrics_init_widths	(	AF_LatinMetrics	metrics,
		FT_Face	face,
		FT_ULong	charcode
	)

Definition at line 47 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_MAX, AF_DIMENSION_VERT, af_glyph_hints_init(), af_glyph_hints_reload(), af_glyph_hints_rescale(), af_latin2_hints_compute_segments(), af_latin2_hints_link_segments(), AF_LATIN_CONSTANT, AF_LATIN_MAX_WIDTHS, af_sort_widths(), axis, AF_GlyphHintsRec_::axis, ROOT::Math::gv_detail::dist(), dummy, error, 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, if(), RooFitShortHand::L(), AF_GlyphHintsRec_::memory, AF_ScalerRec_::render_mode, AF_ScalerRec_::x_delta, AF_ScalerRec_::x_scale, AF_ScalerRec_::y_delta, and AF_ScalerRec_::y_scale.

Referenced by af_latin2_metrics_init().

af_latin2_metrics_scale	(	AF_LatinMetrics	metrics,
		AF_Scaler	scaler
	)

Definition at line 638 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, and af_latin2_metrics_scale_dim().

static void af_latin2_metrics_scale_dim	(	AF_LatinMetrics	metrics,
		AF_Scaler	scaler,
		AF_Dimension	dim
	)			[static]

Definition at line 494 of file aflatin2.c.

References AF_DIMENSION_HORZ, AF_DIMENSION_VERT, AF_LATIN_BLUE_ADJUSTMENT, AF_LOG, axis, blue, AF_LatinAxisRec_::blue_count, AF_LatinAxisRec_::blues, AF_LatinBlueRec_::flags, FT_MulDiv(), FT_MulFix(), FT_Pos, if(), metrics(), NULL, AF_ScalerRec_::x_delta, AF_ScalerRec_::x_scale, AF_ScalerRec_::y_delta, and AF_ScalerRec_::y_scale.

Referenced by af_latin2_metrics_scale().

static FT_Pos af_latin2_snap_width	(	AF_Width	widths,
		FT_Int	count,
		FT_Pos	width
	)			[static]

Definition at line 1525 of file aflatin2.c.

References AF_WidthRec_::cur, ROOT::Math::gv_detail::dist(), FT_PIX_ROUND, FT_Pos, n, and w.

Referenced by af_latin2_compute_stem_width().

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Variable Documentation

const char af_latin2_blue_chars[AF_LATIN_MAX_BLUES][AF_LATIN_MAX_TEST_CHARACTERS+1] [static]

Initial value:

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

Definition at line 159 of file aflatin2.c.

Referenced by af_latin2_metrics_init_blues().

const AF_Script_UniRangeRec af_latin2_uniranges[] [static]

Initial value:

  {
    AF_UNIRANGE_REC( 32UL,  127UL ),    
    AF_UNIRANGE_REC( 160UL, 255UL ),

  }

Definition at line 2321 of file aflatin2.c.

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