pshalgo.c File Reference

#include <ft2build.h>
#include "pshalgo.h"
#include "pshnterr.h"

Go to the source code of this file.

Defines
#define	FT_COMPONENT   trace_pshalgo2
#define	COMPUTE_INFLEXS   /* compute inflection points to optimize `S' */
#define	STRONGER   /* slightly increase the contrast of smooth */
#define	PSH_ZONE_MIN   -3200000L
#define	PSH_ZONE_MAX   +3200000L
#define	xxDEBUG_ZONES
#define	psh_print_zone(x)   do { } while ( 0 )
#define	psh_corner_is_flat   ft_corner_is_flat
#define	psh_corner_orientation   ft_corner_orientation
#define	PSH_STRONG_THRESHOLD   32
#define	PSH_STRONG_THRESHOLD_MAXIMUM   30
#define	PSH_MAX_STRONG_INTERNAL   16
Functions
static FT_Int	psh_hint_overlap (PSH_Hint hint1, PSH_Hint hint2)
static void	psh_hint_table_done (PSH_Hint_Table table, FT_Memory memory)
static void	psh_hint_table_deactivate (PSH_Hint_Table table)
static void	psh_hint_table_record (PSH_Hint_Table table, FT_UInt idx)
static void	psh_hint_table_record_mask (PSH_Hint_Table table, PS_Mask hint_mask)
static FT_Error	psh_hint_table_init (PSH_Hint_Table table, PS_Hint_Table hints, PS_Mask_Table hint_masks, PS_Mask_Table counter_masks, FT_Memory memory)
static void	psh_hint_table_activate_mask (PSH_Hint_Table table, PS_Mask hint_mask)
static FT_Pos	psh_dimension_quantize_len (PSH_Dimension dim, FT_Pos len, FT_Bool do_snapping)
static FT_Fixed	psh_hint_snap_stem_side_delta (FT_Fixed pos, FT_Fixed len)
static void	psh_hint_align (PSH_Hint hint, PSH_Globals globals, FT_Int dimension, PSH_Glyph glyph)
static void	psh_hint_table_align_hints (PSH_Hint_Table table, PSH_Globals globals, FT_Int dimension, PSH_Glyph glyph)
static void	psh_glyph_compute_inflections (PSH_Glyph glyph)
static void	psh_glyph_done (PSH_Glyph glyph)
static int	psh_compute_dir (FT_Pos dx, FT_Pos dy)
static void	psh_glyph_load_points (PSH_Glyph glyph, FT_Int dimension)
static void	psh_glyph_save_points (PSH_Glyph glyph, FT_Int dimension)
static FT_Error	psh_glyph_init (PSH_Glyph glyph, FT_Outline *outline, PS_Hints ps_hints, PSH_Globals globals)
static void	psh_glyph_compute_extrema (PSH_Glyph glyph)
static void	psh_hint_table_find_strong_points (PSH_Hint_Table table, PSH_Point point, FT_UInt count, FT_Int threshold, FT_Int major_dir)
static void	psh_glyph_find_strong_points (PSH_Glyph glyph, FT_Int dimension)
static void	psh_glyph_find_blue_points (PSH_Blues blues, PSH_Glyph glyph)
static void	psh_glyph_interpolate_strong_points (PSH_Glyph glyph, FT_Int dimension)
static void	psh_glyph_interpolate_normal_points (PSH_Glyph glyph, FT_Int dimension)
static void	psh_glyph_interpolate_other_points (PSH_Glyph glyph, FT_Int dimension)
FT_Error	ps_hints_apply (PS_Hints ps_hints, FT_Outline *outline, PSH_Globals globals, FT_Render_Mode hint_mode)