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First publish of public opennurbs from 8.x source
This commit is contained in:
Bozo The Builder
2022-07-28 11:12:21 -07:00
parent beeb16ad7e
commit f26b1ba26a
962 changed files with 822521 additions and 799465 deletions
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4390
freetype263/src/pshinter/pshalgo.c
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freetype263/src/pshinter/pshalgo.h
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/***************************************************************************/
/* */
/* pshalgo.h */
/* */
/* PostScript hinting algorithm (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHALGO_H_
#define PSHALGO_H_
#include "pshrec.h"
#include "pshglob.h"
FT_BEGIN_HEADER
/* handle to Hint structure */
typedef struct PSH_HintRec_* PSH_Hint;
/* hint bit-flags */
#define PSH_HINT_GHOST PS_HINT_FLAG_GHOST
#define PSH_HINT_BOTTOM PS_HINT_FLAG_BOTTOM
#define PSH_HINT_ACTIVE 4U
#define PSH_HINT_FITTED 8U
#define psh_hint_is_active( x ) ( ( (x)->flags & PSH_HINT_ACTIVE ) != 0 )
#define psh_hint_is_ghost( x ) ( ( (x)->flags & PSH_HINT_GHOST ) != 0 )
#define psh_hint_is_fitted( x ) ( ( (x)->flags & PSH_HINT_FITTED ) != 0 )
#define psh_hint_activate( x ) (x)->flags |= PSH_HINT_ACTIVE
#define psh_hint_deactivate( x ) (x)->flags &= ~PSH_HINT_ACTIVE
#define psh_hint_set_fitted( x ) (x)->flags |= PSH_HINT_FITTED
/* hint structure */
typedef struct PSH_HintRec_
{
FT_Int org_pos;
FT_Int org_len;
FT_Pos cur_pos;
FT_Pos cur_len;
FT_UInt flags;
PSH_Hint parent;
FT_Int order;
} PSH_HintRec;
/* this is an interpolation zone used for strong points; */
/* weak points are interpolated according to their strong */
/* neighbours */
typedef struct PSH_ZoneRec_
{
FT_Fixed scale;
FT_Fixed delta;
FT_Pos min;
FT_Pos max;
} PSH_ZoneRec, *PSH_Zone;
typedef struct PSH_Hint_TableRec_
{
FT_UInt max_hints;
FT_UInt num_hints;
PSH_Hint hints;
PSH_Hint* sort;
PSH_Hint* sort_global;
FT_UInt num_zones;
PSH_ZoneRec* zones;
PSH_Zone zone;
PS_Mask_Table hint_masks;
PS_Mask_Table counter_masks;
} PSH_Hint_TableRec, *PSH_Hint_Table;
typedef struct PSH_PointRec_* PSH_Point;
typedef struct PSH_ContourRec_* PSH_Contour;
enum
{
PSH_DIR_NONE = 4,
PSH_DIR_UP = -1,
PSH_DIR_DOWN = 1,
PSH_DIR_LEFT = -2,
PSH_DIR_RIGHT = 2
};
#define PSH_DIR_HORIZONTAL 2
#define PSH_DIR_VERTICAL 1
#define PSH_DIR_COMPARE( d1, d2 ) ( (d1) == (d2) || (d1) == -(d2) )
#define PSH_DIR_IS_HORIZONTAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_HORIZONTAL )
#define PSH_DIR_IS_VERTICAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_VERTICAL )
/* the following bit-flags are computed once by the glyph */
/* analyzer, for both dimensions */
#define PSH_POINT_OFF 1U /* point is off the curve */
#define PSH_POINT_SMOOTH 2U /* point is smooth */
#define PSH_POINT_INFLEX 4U /* point is inflection */
#define psh_point_is_smooth( p ) ( (p)->flags & PSH_POINT_SMOOTH )
#define psh_point_is_off( p ) ( (p)->flags & PSH_POINT_OFF )
#define psh_point_is_inflex( p ) ( (p)->flags & PSH_POINT_INFLEX )
#define psh_point_set_smooth( p ) (p)->flags |= PSH_POINT_SMOOTH
#define psh_point_set_off( p ) (p)->flags |= PSH_POINT_OFF
#define psh_point_set_inflex( p ) (p)->flags |= PSH_POINT_INFLEX
/* the following bit-flags are re-computed for each dimension */
#define PSH_POINT_STRONG 16U /* point is strong */
#define PSH_POINT_FITTED 32U /* point is already fitted */
#define PSH_POINT_EXTREMUM 64U /* point is local extremum */
#define PSH_POINT_POSITIVE 128U /* extremum has positive contour flow */
#define PSH_POINT_NEGATIVE 256U /* extremum has negative contour flow */
#define PSH_POINT_EDGE_MIN 512U /* point is aligned to left/bottom stem edge */
#define PSH_POINT_EDGE_MAX 1024U /* point is aligned to top/right stem edge */
#define psh_point_is_strong( p ) ( (p)->flags2 & PSH_POINT_STRONG )
#define psh_point_is_fitted( p ) ( (p)->flags2 & PSH_POINT_FITTED )
#define psh_point_is_extremum( p ) ( (p)->flags2 & PSH_POINT_EXTREMUM )
#define psh_point_is_positive( p ) ( (p)->flags2 & PSH_POINT_POSITIVE )
#define psh_point_is_negative( p ) ( (p)->flags2 & PSH_POINT_NEGATIVE )
#define psh_point_is_edge_min( p ) ( (p)->flags2 & PSH_POINT_EDGE_MIN )
#define psh_point_is_edge_max( p ) ( (p)->flags2 & PSH_POINT_EDGE_MAX )
#define psh_point_set_strong( p ) (p)->flags2 |= PSH_POINT_STRONG
#define psh_point_set_fitted( p ) (p)->flags2 |= PSH_POINT_FITTED
#define psh_point_set_extremum( p ) (p)->flags2 |= PSH_POINT_EXTREMUM
#define psh_point_set_positive( p ) (p)->flags2 |= PSH_POINT_POSITIVE
#define psh_point_set_negative( p ) (p)->flags2 |= PSH_POINT_NEGATIVE
#define psh_point_set_edge_min( p ) (p)->flags2 |= PSH_POINT_EDGE_MIN
#define psh_point_set_edge_max( p ) (p)->flags2 |= PSH_POINT_EDGE_MAX
typedef struct PSH_PointRec_
{
PSH_Point prev;
PSH_Point next;
PSH_Contour contour;
FT_UInt flags;
FT_UInt flags2;
FT_Char dir_in;
FT_Char dir_out;
PSH_Hint hint;
FT_Pos org_u;
FT_Pos org_v;
FT_Pos cur_u;
#ifdef DEBUG_HINTER
FT_Pos org_x;
FT_Pos cur_x;
FT_Pos org_y;
FT_Pos cur_y;
FT_UInt flags_x;
FT_UInt flags_y;
#endif
} PSH_PointRec;
typedef struct PSH_ContourRec_
{
PSH_Point start;
FT_UInt count;
} PSH_ContourRec;
typedef struct PSH_GlyphRec_
{
FT_UInt num_points;
FT_UInt num_contours;
PSH_Point points;
PSH_Contour contours;
FT_Memory memory;
FT_Outline* outline;
PSH_Globals globals;
PSH_Hint_TableRec hint_tables[2];
FT_Bool vertical;
FT_Int major_dir;
FT_Int minor_dir;
FT_Bool do_horz_hints;
FT_Bool do_vert_hints;
FT_Bool do_horz_snapping;
FT_Bool do_vert_snapping;
FT_Bool do_stem_adjust;
} PSH_GlyphRec, *PSH_Glyph;
#ifdef DEBUG_HINTER
extern PSH_Hint_Table ps_debug_hint_table;
typedef void
(*PSH_HintFunc)( PSH_Hint hint,
FT_Bool vertical );
extern PSH_HintFunc ps_debug_hint_func;
extern PSH_Glyph ps_debug_glyph;
#endif
extern FT_Error
ps_hints_apply( PS_Hints ps_hints,
FT_Outline* outline,
PSH_Globals globals,
FT_Render_Mode hint_mode );
FT_END_HEADER
#endif /* PSHALGO_H_ */
/* END */
/***************************************************************************/
/* */
/* pshalgo.h */
/* */
/* PostScript hinting algorithm (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHALGO_H_
#define PSHALGO_H_
#include "pshrec.h"
#include "pshglob.h"
FT_BEGIN_HEADER
/* handle to Hint structure */
typedef struct PSH_HintRec_* PSH_Hint;
/* hint bit-flags */
#define PSH_HINT_GHOST PS_HINT_FLAG_GHOST
#define PSH_HINT_BOTTOM PS_HINT_FLAG_BOTTOM
#define PSH_HINT_ACTIVE 4U
#define PSH_HINT_FITTED 8U
#define psh_hint_is_active( x ) ( ( (x)->flags & PSH_HINT_ACTIVE ) != 0 )
#define psh_hint_is_ghost( x ) ( ( (x)->flags & PSH_HINT_GHOST ) != 0 )
#define psh_hint_is_fitted( x ) ( ( (x)->flags & PSH_HINT_FITTED ) != 0 )
#define psh_hint_activate( x ) (x)->flags |= PSH_HINT_ACTIVE
#define psh_hint_deactivate( x ) (x)->flags &= ~PSH_HINT_ACTIVE
#define psh_hint_set_fitted( x ) (x)->flags |= PSH_HINT_FITTED
/* hint structure */
typedef struct PSH_HintRec_
{
FT_Int org_pos;
FT_Int org_len;
FT_Pos cur_pos;
FT_Pos cur_len;
FT_UInt flags;
PSH_Hint parent;
FT_Int order;
} PSH_HintRec;
/* this is an interpolation zone used for strong points; */
/* weak points are interpolated according to their strong */
/* neighbours */
typedef struct PSH_ZoneRec_
{
FT_Fixed scale;
FT_Fixed delta;
FT_Pos min;
FT_Pos max;
} PSH_ZoneRec, *PSH_Zone;
typedef struct PSH_Hint_TableRec_
{
FT_UInt max_hints;
FT_UInt num_hints;
PSH_Hint hints;
PSH_Hint* sort;
PSH_Hint* sort_global;
FT_UInt num_zones;
PSH_ZoneRec* zones;
PSH_Zone zone;
PS_Mask_Table hint_masks;
PS_Mask_Table counter_masks;
} PSH_Hint_TableRec, *PSH_Hint_Table;
typedef struct PSH_PointRec_* PSH_Point;
typedef struct PSH_ContourRec_* PSH_Contour;
enum
{
PSH_DIR_NONE = 4,
PSH_DIR_UP = -1,
PSH_DIR_DOWN = 1,
PSH_DIR_LEFT = -2,
PSH_DIR_RIGHT = 2
};
#define PSH_DIR_HORIZONTAL 2
#define PSH_DIR_VERTICAL 1
#define PSH_DIR_COMPARE( d1, d2 ) ( (d1) == (d2) || (d1) == -(d2) )
#define PSH_DIR_IS_HORIZONTAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_HORIZONTAL )
#define PSH_DIR_IS_VERTICAL( d ) PSH_DIR_COMPARE( d, PSH_DIR_VERTICAL )
/* the following bit-flags are computed once by the glyph */
/* analyzer, for both dimensions */
#define PSH_POINT_OFF 1U /* point is off the curve */
#define PSH_POINT_SMOOTH 2U /* point is smooth */
#define PSH_POINT_INFLEX 4U /* point is inflection */
#define psh_point_is_smooth( p ) ( (p)->flags & PSH_POINT_SMOOTH )
#define psh_point_is_off( p ) ( (p)->flags & PSH_POINT_OFF )
#define psh_point_is_inflex( p ) ( (p)->flags & PSH_POINT_INFLEX )
#define psh_point_set_smooth( p ) (p)->flags |= PSH_POINT_SMOOTH
#define psh_point_set_off( p ) (p)->flags |= PSH_POINT_OFF
#define psh_point_set_inflex( p ) (p)->flags |= PSH_POINT_INFLEX
/* the following bit-flags are re-computed for each dimension */
#define PSH_POINT_STRONG 16U /* point is strong */
#define PSH_POINT_FITTED 32U /* point is already fitted */
#define PSH_POINT_EXTREMUM 64U /* point is local extremum */
#define PSH_POINT_POSITIVE 128U /* extremum has positive contour flow */
#define PSH_POINT_NEGATIVE 256U /* extremum has negative contour flow */
#define PSH_POINT_EDGE_MIN 512U /* point is aligned to left/bottom stem edge */
#define PSH_POINT_EDGE_MAX 1024U /* point is aligned to top/right stem edge */
#define psh_point_is_strong( p ) ( (p)->flags2 & PSH_POINT_STRONG )
#define psh_point_is_fitted( p ) ( (p)->flags2 & PSH_POINT_FITTED )
#define psh_point_is_extremum( p ) ( (p)->flags2 & PSH_POINT_EXTREMUM )
#define psh_point_is_positive( p ) ( (p)->flags2 & PSH_POINT_POSITIVE )
#define psh_point_is_negative( p ) ( (p)->flags2 & PSH_POINT_NEGATIVE )
#define psh_point_is_edge_min( p ) ( (p)->flags2 & PSH_POINT_EDGE_MIN )
#define psh_point_is_edge_max( p ) ( (p)->flags2 & PSH_POINT_EDGE_MAX )
#define psh_point_set_strong( p ) (p)->flags2 |= PSH_POINT_STRONG
#define psh_point_set_fitted( p ) (p)->flags2 |= PSH_POINT_FITTED
#define psh_point_set_extremum( p ) (p)->flags2 |= PSH_POINT_EXTREMUM
#define psh_point_set_positive( p ) (p)->flags2 |= PSH_POINT_POSITIVE
#define psh_point_set_negative( p ) (p)->flags2 |= PSH_POINT_NEGATIVE
#define psh_point_set_edge_min( p ) (p)->flags2 |= PSH_POINT_EDGE_MIN
#define psh_point_set_edge_max( p ) (p)->flags2 |= PSH_POINT_EDGE_MAX
typedef struct PSH_PointRec_
{
PSH_Point prev;
PSH_Point next;
PSH_Contour contour;
FT_UInt flags;
FT_UInt flags2;
FT_Char dir_in;
FT_Char dir_out;
PSH_Hint hint;
FT_Pos org_u;
FT_Pos org_v;
FT_Pos cur_u;
#ifdef DEBUG_HINTER
FT_Pos org_x;
FT_Pos cur_x;
FT_Pos org_y;
FT_Pos cur_y;
FT_UInt flags_x;
FT_UInt flags_y;
#endif
} PSH_PointRec;
typedef struct PSH_ContourRec_
{
PSH_Point start;
FT_UInt count;
} PSH_ContourRec;
typedef struct PSH_GlyphRec_
{
FT_UInt num_points;
FT_UInt num_contours;
PSH_Point points;
PSH_Contour contours;
FT_Memory memory;
FT_Outline* outline;
PSH_Globals globals;
PSH_Hint_TableRec hint_tables[2];
FT_Bool vertical;
FT_Int major_dir;
FT_Int minor_dir;
FT_Bool do_horz_hints;
FT_Bool do_vert_hints;
FT_Bool do_horz_snapping;
FT_Bool do_vert_snapping;
FT_Bool do_stem_adjust;
} PSH_GlyphRec, *PSH_Glyph;
#ifdef DEBUG_HINTER
extern PSH_Hint_Table ps_debug_hint_table;
typedef void
(*PSH_HintFunc)( PSH_Hint hint,
FT_Bool vertical );
extern PSH_HintFunc ps_debug_hint_func;
extern PSH_Glyph ps_debug_glyph;
#endif
extern FT_Error
ps_hints_apply( PS_Hints ps_hints,
FT_Outline* outline,
PSH_Globals globals,
FT_Render_Mode hint_mode );
FT_END_HEADER
#endif /* PSHALGO_H_ */
/* END */

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freetype263/src/pshinter/pshglob.c
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/***************************************************************************/
/* */
/* pshglob.h */
/* */
/* PostScript hinter global hinting management. */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHGLOB_H_
#define PSHGLOB_H_
#include FT_FREETYPE_H
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GLOBAL HINTS INTERNALS *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/* */
/* @constant: */
/* PS_GLOBALS_MAX_BLUE_ZONES */
/* */
/* @description: */
/* The maximum number of blue zones in a font global hints structure. */
/* See @PS_Globals_BluesRec. */
/* */
#define PS_GLOBALS_MAX_BLUE_ZONES 16
/*************************************************************************/
/* */
/* @constant: */
/* PS_GLOBALS_MAX_STD_WIDTHS */
/* */
/* @description: */
/* The maximum number of standard and snap widths in either the */
/* horizontal or vertical direction. See @PS_Globals_WidthsRec. */
/* */
#define PS_GLOBALS_MAX_STD_WIDTHS 16
/* standard and snap width */
typedef struct PSH_WidthRec_
{
FT_Int org;
FT_Pos cur;
FT_Pos fit;
} PSH_WidthRec, *PSH_Width;
/* standard and snap widths table */
typedef struct PSH_WidthsRec_
{
FT_UInt count;
PSH_WidthRec widths[PS_GLOBALS_MAX_STD_WIDTHS];
} PSH_WidthsRec, *PSH_Widths;
typedef struct PSH_DimensionRec_
{
PSH_WidthsRec stdw;
FT_Fixed scale_mult;
FT_Fixed scale_delta;
} PSH_DimensionRec, *PSH_Dimension;
/* blue zone descriptor */
typedef struct PSH_Blue_ZoneRec_
{
FT_Int org_ref;
FT_Int org_delta;
FT_Int org_top;
FT_Int org_bottom;
FT_Pos cur_ref;
FT_Pos cur_delta;
FT_Pos cur_bottom;
FT_Pos cur_top;
} PSH_Blue_ZoneRec, *PSH_Blue_Zone;
typedef struct PSH_Blue_TableRec_
{
FT_UInt count;
PSH_Blue_ZoneRec zones[PS_GLOBALS_MAX_BLUE_ZONES];
} PSH_Blue_TableRec, *PSH_Blue_Table;
/* blue zones table */
typedef struct PSH_BluesRec_
{
PSH_Blue_TableRec normal_top;
PSH_Blue_TableRec normal_bottom;
PSH_Blue_TableRec family_top;
PSH_Blue_TableRec family_bottom;
FT_Fixed blue_scale;
FT_Int blue_shift;
FT_Int blue_threshold;
FT_Int blue_fuzz;
FT_Bool no_overshoots;
} PSH_BluesRec, *PSH_Blues;
/* font globals. */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PSH_GlobalsRec_
{
FT_Memory memory;
PSH_DimensionRec dimension[2];
PSH_BluesRec blues;
} PSH_GlobalsRec;
#define PSH_BLUE_ALIGN_NONE 0
#define PSH_BLUE_ALIGN_TOP 1
#define PSH_BLUE_ALIGN_BOT 2
typedef struct PSH_AlignmentRec_
{
int align;
FT_Pos align_top;
FT_Pos align_bot;
} PSH_AlignmentRec, *PSH_Alignment;
FT_LOCAL( void )
psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs );
#if 0
/* snap a stem width to fitter coordinates. `org_width' is in font */
/* units. The result is in device pixels (26.6 format). */
FT_LOCAL( FT_Pos )
psh_dimension_snap_width( PSH_Dimension dimension,
FT_Int org_width );
#endif
FT_LOCAL( void )
psh_globals_set_scale( PSH_Globals globals,
FT_Fixed x_scale,
FT_Fixed y_scale,
FT_Fixed x_delta,
FT_Fixed y_delta );
/* snap a stem to one or two blue zones */
FT_LOCAL( void )
psh_blues_snap_stem( PSH_Blues blues,
FT_Int stem_top,
FT_Int stem_bot,
PSH_Alignment alignment );
/* */
#ifdef DEBUG_HINTER
extern PSH_Globals ps_debug_globals;
#endif
FT_END_HEADER
#endif /* PSHGLOB_H_ */
/* END */
/***************************************************************************/
/* */
/* pshglob.h */
/* */
/* PostScript hinter global hinting management. */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHGLOB_H_
#define PSHGLOB_H_
#include FT_FREETYPE_H
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GLOBAL HINTS INTERNALS *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
/* */
/* @constant: */
/* PS_GLOBALS_MAX_BLUE_ZONES */
/* */
/* @description: */
/* The maximum number of blue zones in a font global hints structure. */
/* See @PS_Globals_BluesRec. */
/* */
#define PS_GLOBALS_MAX_BLUE_ZONES 16
/*************************************************************************/
/* */
/* @constant: */
/* PS_GLOBALS_MAX_STD_WIDTHS */
/* */
/* @description: */
/* The maximum number of standard and snap widths in either the */
/* horizontal or vertical direction. See @PS_Globals_WidthsRec. */
/* */
#define PS_GLOBALS_MAX_STD_WIDTHS 16
/* standard and snap width */
typedef struct PSH_WidthRec_
{
FT_Int org;
FT_Pos cur;
FT_Pos fit;
} PSH_WidthRec, *PSH_Width;
/* standard and snap widths table */
typedef struct PSH_WidthsRec_
{
FT_UInt count;
PSH_WidthRec widths[PS_GLOBALS_MAX_STD_WIDTHS];
} PSH_WidthsRec, *PSH_Widths;
typedef struct PSH_DimensionRec_
{
PSH_WidthsRec stdw;
FT_Fixed scale_mult;
FT_Fixed scale_delta;
} PSH_DimensionRec, *PSH_Dimension;
/* blue zone descriptor */
typedef struct PSH_Blue_ZoneRec_
{
FT_Int org_ref;
FT_Int org_delta;
FT_Int org_top;
FT_Int org_bottom;
FT_Pos cur_ref;
FT_Pos cur_delta;
FT_Pos cur_bottom;
FT_Pos cur_top;
} PSH_Blue_ZoneRec, *PSH_Blue_Zone;
typedef struct PSH_Blue_TableRec_
{
FT_UInt count;
PSH_Blue_ZoneRec zones[PS_GLOBALS_MAX_BLUE_ZONES];
} PSH_Blue_TableRec, *PSH_Blue_Table;
/* blue zones table */
typedef struct PSH_BluesRec_
{
PSH_Blue_TableRec normal_top;
PSH_Blue_TableRec normal_bottom;
PSH_Blue_TableRec family_top;
PSH_Blue_TableRec family_bottom;
FT_Fixed blue_scale;
FT_Int blue_shift;
FT_Int blue_threshold;
FT_Int blue_fuzz;
FT_Bool no_overshoots;
} PSH_BluesRec, *PSH_Blues;
/* font globals. */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PSH_GlobalsRec_
{
FT_Memory memory;
PSH_DimensionRec dimension[2];
PSH_BluesRec blues;
} PSH_GlobalsRec;
#define PSH_BLUE_ALIGN_NONE 0
#define PSH_BLUE_ALIGN_TOP 1
#define PSH_BLUE_ALIGN_BOT 2
typedef struct PSH_AlignmentRec_
{
int align;
FT_Pos align_top;
FT_Pos align_bot;
} PSH_AlignmentRec, *PSH_Alignment;
FT_LOCAL( void )
psh_globals_funcs_init( PSH_Globals_FuncsRec* funcs );
#if 0
/* snap a stem width to fitter coordinates. `org_width' is in font */
/* units. The result is in device pixels (26.6 format). */
FT_LOCAL( FT_Pos )
psh_dimension_snap_width( PSH_Dimension dimension,
FT_Int org_width );
#endif
FT_LOCAL( void )
psh_globals_set_scale( PSH_Globals globals,
FT_Fixed x_scale,
FT_Fixed y_scale,
FT_Fixed x_delta,
FT_Fixed y_delta );
/* snap a stem to one or two blue zones */
FT_LOCAL( void )
psh_blues_snap_stem( PSH_Blues blues,
FT_Int stem_top,
FT_Int stem_bot,
PSH_Alignment alignment );
/* */
#ifdef DEBUG_HINTER
extern PSH_Globals ps_debug_globals;
#endif
FT_END_HEADER
#endif /* PSHGLOB_H_ */
/* END */

58
freetype263/src/pshinter/pshinter.c
View File

@@ -1,29 +1,29 @@
/***************************************************************************/
/* */
/* pshinter.c */
/* */
/* FreeType PostScript Hinting module */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#define FT_MAKE_OPTION_SINGLE_OBJECT
#include <ft2build.h>
#include "pshpic.c"
#include "pshrec.c"
#include "pshglob.c"
#include "pshalgo.c"
#include "pshmod.c"
/* END */
/***************************************************************************/
/* */
/* pshinter.c */
/* */
/* FreeType PostScript Hinting module */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#define FT_MAKE_OPTION_SINGLE_OBJECT
#include <ft2build.h>
#include "pshpic.c"
#include "pshrec.c"
#include "pshglob.c"
#include "pshalgo.c"
#include "pshmod.c"
/* END */

238
freetype263/src/pshinter/pshmod.c
View File

@@ -1,119 +1,119 @@
/***************************************************************************/
/* */
/* pshmod.c */
/* */
/* FreeType PostScript hinter module implementation (body). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include "pshrec.h"
#include "pshalgo.h"
#include "pshpic.h"
/* the Postscript Hinter module structure */
typedef struct PS_Hinter_Module_Rec_
{
FT_ModuleRec root;
PS_HintsRec ps_hints;
PSH_Globals_FuncsRec globals_funcs;
T1_Hints_FuncsRec t1_funcs;
T2_Hints_FuncsRec t2_funcs;
} PS_Hinter_ModuleRec, *PS_Hinter_Module;
/* finalize module */
FT_CALLBACK_DEF( void )
ps_hinter_done( PS_Hinter_Module module )
{
module->t1_funcs.hints = NULL;
module->t2_funcs.hints = NULL;
ps_hints_done( &module->ps_hints );
}
/* initialize module, create hints recorder and the interface */
FT_CALLBACK_DEF( FT_Error )
ps_hinter_init( PS_Hinter_Module module )
{
FT_Memory memory = module->root.memory;
void* ph = &module->ps_hints;
ps_hints_init( &module->ps_hints, memory );
psh_globals_funcs_init( &module->globals_funcs );
t1_hints_funcs_init( &module->t1_funcs );
module->t1_funcs.hints = (T1_Hints)ph;
t2_hints_funcs_init( &module->t2_funcs );
module->t2_funcs.hints = (T2_Hints)ph;
return 0;
}
/* returns global hints interface */
FT_CALLBACK_DEF( PSH_Globals_Funcs )
pshinter_get_globals_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->globals_funcs;
}
/* return Type 1 hints interface */
FT_CALLBACK_DEF( T1_Hints_Funcs )
pshinter_get_t1_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->t1_funcs;
}
/* return Type 2 hints interface */
FT_CALLBACK_DEF( T2_Hints_Funcs )
pshinter_get_t2_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->t2_funcs;
}
FT_DEFINE_PSHINTER_INTERFACE(
pshinter_interface,
pshinter_get_globals_funcs,
pshinter_get_t1_funcs,
pshinter_get_t2_funcs )
FT_DEFINE_MODULE(
pshinter_module_class,
0,
sizeof ( PS_Hinter_ModuleRec ),
"pshinter",
0x10000L,
0x20000L,
&PSHINTER_INTERFACE_GET, /* module-specific interface */
(FT_Module_Constructor)ps_hinter_init,
(FT_Module_Destructor) ps_hinter_done,
(FT_Module_Requester) NULL ) /* no additional interface for now */
/* END */
/***************************************************************************/
/* */
/* pshmod.c */
/* */
/* FreeType PostScript hinter module implementation (body). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_INTERNAL_OBJECTS_H
#include "pshrec.h"
#include "pshalgo.h"
#include "pshpic.h"
/* the Postscript Hinter module structure */
typedef struct PS_Hinter_Module_Rec_
{
FT_ModuleRec root;
PS_HintsRec ps_hints;
PSH_Globals_FuncsRec globals_funcs;
T1_Hints_FuncsRec t1_funcs;
T2_Hints_FuncsRec t2_funcs;
} PS_Hinter_ModuleRec, *PS_Hinter_Module;
/* finalize module */
FT_CALLBACK_DEF( void )
ps_hinter_done( PS_Hinter_Module module )
{
module->t1_funcs.hints = NULL;
module->t2_funcs.hints = NULL;
ps_hints_done( &module->ps_hints );
}
/* initialize module, create hints recorder and the interface */
FT_CALLBACK_DEF( FT_Error )
ps_hinter_init( PS_Hinter_Module module )
{
FT_Memory memory = module->root.memory;
void* ph = &module->ps_hints;
ps_hints_init( &module->ps_hints, memory );
psh_globals_funcs_init( &module->globals_funcs );
t1_hints_funcs_init( &module->t1_funcs );
module->t1_funcs.hints = (T1_Hints)ph;
t2_hints_funcs_init( &module->t2_funcs );
module->t2_funcs.hints = (T2_Hints)ph;
return 0;
}
/* returns global hints interface */
FT_CALLBACK_DEF( PSH_Globals_Funcs )
pshinter_get_globals_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->globals_funcs;
}
/* return Type 1 hints interface */
FT_CALLBACK_DEF( T1_Hints_Funcs )
pshinter_get_t1_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->t1_funcs;
}
/* return Type 2 hints interface */
FT_CALLBACK_DEF( T2_Hints_Funcs )
pshinter_get_t2_funcs( FT_Module module )
{
return &((PS_Hinter_Module)module)->t2_funcs;
}
FT_DEFINE_PSHINTER_INTERFACE(
pshinter_interface,
pshinter_get_globals_funcs,
pshinter_get_t1_funcs,
pshinter_get_t2_funcs )
FT_DEFINE_MODULE(
pshinter_module_class,
0,
sizeof ( PS_Hinter_ModuleRec ),
"pshinter",
0x10000L,
0x20000L,
&PSHINTER_INTERFACE_GET, /* module-specific interface */
(FT_Module_Constructor)ps_hinter_init,
(FT_Module_Destructor) ps_hinter_done,
(FT_Module_Requester) NULL ) /* no additional interface for now */
/* END */

78
freetype263/src/pshinter/pshmod.h
View File

@@ -1,39 +1,39 @@
/***************************************************************************/
/* */
/* pshmod.h */
/* */
/* PostScript hinter module interface (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHMOD_H_
#define PSHMOD_H_
#include <ft2build.h>
#include FT_MODULE_H
FT_BEGIN_HEADER
FT_DECLARE_MODULE( pshinter_module_class )
FT_END_HEADER
#endif /* PSHMOD_H_ */
/* END */
/***************************************************************************/
/* */
/* pshmod.h */
/* */
/* PostScript hinter module interface (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHMOD_H_
#define PSHMOD_H_
#include <ft2build.h>
#include FT_MODULE_H
FT_BEGIN_HEADER
FT_DECLARE_MODULE( pshinter_module_class )
FT_END_HEADER
#endif /* PSHMOD_H_ */
/* END */

82
freetype263/src/pshinter/pshnterr.h
View File

@@ -1,41 +1,41 @@
/***************************************************************************/
/* */
/* pshnterr.h */
/* */
/* PS Hinter error codes (specification only). */
/* */
/* Copyright 2003-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/*************************************************************************/
/* */
/* This file is used to define the PSHinter error enumeration constants. */
/* */
/*************************************************************************/
#ifndef PSHNTERR_H_
#define PSHNTERR_H_
#include FT_MODULE_ERRORS_H
#undef FTERRORS_H_
#undef FT_ERR_PREFIX
#define FT_ERR_PREFIX PSH_Err_
#define FT_ERR_BASE FT_Mod_Err_PShinter
#include FT_ERRORS_H
#endif /* PSHNTERR_H_ */
/* END */
/***************************************************************************/
/* */
/* pshnterr.h */
/* */
/* PS Hinter error codes (specification only). */
/* */
/* Copyright 2003-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/*************************************************************************/
/* */
/* This file is used to define the PSHinter error enumeration constants. */
/* */
/*************************************************************************/
#ifndef PSHNTERR_H_
#define PSHNTERR_H_
#include FT_MODULE_ERRORS_H
#undef FTERRORS_H_
#undef FT_ERR_PREFIX
#define FT_ERR_PREFIX PSH_Err_
#define FT_ERR_BASE FT_Mod_Err_PShinter
#include FT_ERRORS_H
#endif /* PSHNTERR_H_ */
/* END */

152
freetype263/src/pshinter/pshpic.c
View File

@@ -1,76 +1,76 @@
/***************************************************************************/
/* */
/* pshpic.c */
/* */
/* The FreeType position independent code services for pshinter module. */
/* */
/* Copyright 2009-2016 by */
/* Oran Agra and Mickey Gabel. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "pshpic.h"
#include "pshnterr.h"
#ifdef FT_CONFIG_OPTION_PIC
/* forward declaration of PIC init functions from pshmod.c */
void
FT_Init_Class_pshinter_interface( FT_Library library,
PSHinter_Interface* clazz );
void
pshinter_module_class_pic_free( FT_Library library )
{
FT_PIC_Container* pic_container = &library->pic_container;
FT_Memory memory = library->memory;
if ( pic_container->pshinter )
{
FT_FREE( pic_container->pshinter );
pic_container->pshinter = NULL;
}
}
FT_Error
pshinter_module_class_pic_init( FT_Library library )
{
FT_PIC_Container* pic_container = &library->pic_container;
FT_Error error = FT_Err_Ok;
PSHinterPIC* container = NULL;
FT_Memory memory = library->memory;
/* allocate pointer, clear and set global container pointer */
if ( FT_ALLOC( container, sizeof ( *container ) ) )
return error;
FT_MEM_SET( container, 0, sizeof ( *container ) );
pic_container->pshinter = container;
/* add call to initialization function when you add new scripts */
FT_Init_Class_pshinter_interface(
library, &container->pshinter_interface );
if ( error )
pshinter_module_class_pic_free( library );
return error;
}
#endif /* FT_CONFIG_OPTION_PIC */
/* END */
/***************************************************************************/
/* */
/* pshpic.c */
/* */
/* The FreeType position independent code services for pshinter module. */
/* */
/* Copyright 2009-2016 by */
/* Oran Agra and Mickey Gabel. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_FREETYPE_H
#include FT_INTERNAL_OBJECTS_H
#include "pshpic.h"
#include "pshnterr.h"
#ifdef FT_CONFIG_OPTION_PIC
/* forward declaration of PIC init functions from pshmod.c */
void
FT_Init_Class_pshinter_interface( FT_Library library,
PSHinter_Interface* clazz );
void
pshinter_module_class_pic_free( FT_Library library )
{
FT_PIC_Container* pic_container = &library->pic_container;
FT_Memory memory = library->memory;
if ( pic_container->pshinter )
{
FT_FREE( pic_container->pshinter );
pic_container->pshinter = NULL;
}
}
FT_Error
pshinter_module_class_pic_init( FT_Library library )
{
FT_PIC_Container* pic_container = &library->pic_container;
FT_Error error = FT_Err_Ok;
PSHinterPIC* container = NULL;
FT_Memory memory = library->memory;
/* allocate pointer, clear and set global container pointer */
if ( FT_ALLOC( container, sizeof ( *container ) ) )
return error;
FT_MEM_SET( container, 0, sizeof ( *container ) );
pic_container->pshinter = container;
/* add call to initialization function when you add new scripts */
FT_Init_Class_pshinter_interface(
library, &container->pshinter_interface );
if ( error )
pshinter_module_class_pic_free( library );
return error;
}
#endif /* FT_CONFIG_OPTION_PIC */
/* END */

126
freetype263/src/pshinter/pshpic.h
View File

@@ -1,63 +1,63 @@
/***************************************************************************/
/* */
/* pshpic.h */
/* */
/* The FreeType position independent code services for pshinter module. */
/* */
/* Copyright 2009-2016 by */
/* Oran Agra and Mickey Gabel. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHPIC_H_
#define PSHPIC_H_
#include FT_INTERNAL_PIC_H
#ifndef FT_CONFIG_OPTION_PIC
#define PSHINTER_INTERFACE_GET pshinter_interface
#else /* FT_CONFIG_OPTION_PIC */
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
typedef struct PSHinterPIC_
{
PSHinter_Interface pshinter_interface;
} PSHinterPIC;
#define GET_PIC( lib ) ( (PSHinterPIC*)( (lib)->pic_container.pshinter ) )
#define PSHINTER_INTERFACE_GET ( GET_PIC( library )->pshinter_interface )
/* see pshpic.c for the implementation */
void
pshinter_module_class_pic_free( FT_Library library );
FT_Error
pshinter_module_class_pic_init( FT_Library library );
FT_END_HEADER
#endif /* FT_CONFIG_OPTION_PIC */
/* */
#endif /* PSHPIC_H_ */
/* END */
/***************************************************************************/
/* */
/* pshpic.h */
/* */
/* The FreeType position independent code services for pshinter module. */
/* */
/* Copyright 2009-2016 by */
/* Oran Agra and Mickey Gabel. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
#ifndef PSHPIC_H_
#define PSHPIC_H_
#include FT_INTERNAL_PIC_H
#ifndef FT_CONFIG_OPTION_PIC
#define PSHINTER_INTERFACE_GET pshinter_interface
#else /* FT_CONFIG_OPTION_PIC */
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
typedef struct PSHinterPIC_
{
PSHinter_Interface pshinter_interface;
} PSHinterPIC;
#define GET_PIC( lib ) ( (PSHinterPIC*)( (lib)->pic_container.pshinter ) )
#define PSHINTER_INTERFACE_GET ( GET_PIC( library )->pshinter_interface )
/* see pshpic.c for the implementation */
void
pshinter_module_class_pic_free( FT_Library library );
FT_Error
pshinter_module_class_pic_init( FT_Library library );
FT_END_HEADER
#endif /* FT_CONFIG_OPTION_PIC */
/* */
#endif /* PSHPIC_H_ */
/* END */

2440
freetype263/src/pshinter/pshrec.c
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File diff suppressed because it is too large Load Diff

344
freetype263/src/pshinter/pshrec.h
View File

@@ -1,172 +1,172 @@
/***************************************************************************/
/* */
/* pshrec.h */
/* */
/* Postscript (Type1/Type2) hints recorder (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/**************************************************************************/
/* */
/* The functions defined here are called from the Type 1, CID and CFF */
/* font drivers to record the hints of a given character/glyph. */
/* */
/* The hints are recorded in a unified format, and are later processed */
/* by the `optimizer' and `fitter' to adjust the outlines to the pixel */
/* grid. */
/* */
/**************************************************************************/
#ifndef PSHREC_H_
#define PSHREC_H_
#include <ft2build.h>
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
#include "pshglob.h"
FT_BEGIN_HEADER
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GLYPH HINTS RECORDER INTERNALS *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
/* handle to hint record */
typedef struct PS_HintRec_* PS_Hint;
/* hint types */
typedef enum PS_Hint_Type_
{
PS_HINT_TYPE_1 = 1,
PS_HINT_TYPE_2 = 2
} PS_Hint_Type;
/* hint flags */
#define PS_HINT_FLAG_GHOST 1U
#define PS_HINT_FLAG_BOTTOM 2U
/* hint descriptor */
typedef struct PS_HintRec_
{
FT_Int pos;
FT_Int len;
FT_UInt flags;
} PS_HintRec;
#define ps_hint_is_active( x ) ( (x)->flags & PS_HINT_FLAG_ACTIVE )
#define ps_hint_is_ghost( x ) ( (x)->flags & PS_HINT_FLAG_GHOST )
#define ps_hint_is_bottom( x ) ( (x)->flags & PS_HINT_FLAG_BOTTOM )
/* hints table descriptor */
typedef struct PS_Hint_TableRec_
{
FT_UInt num_hints;
FT_UInt max_hints;
PS_Hint hints;
} PS_Hint_TableRec, *PS_Hint_Table;
/* hint and counter mask descriptor */
typedef struct PS_MaskRec_
{
FT_UInt num_bits;
FT_UInt max_bits;
FT_Byte* bytes;
FT_UInt end_point;
} PS_MaskRec, *PS_Mask;
/* masks and counters table descriptor */
typedef struct PS_Mask_TableRec_
{
FT_UInt num_masks;
FT_UInt max_masks;
PS_Mask masks;
} PS_Mask_TableRec, *PS_Mask_Table;
/* dimension-specific hints descriptor */
typedef struct PS_DimensionRec_
{
PS_Hint_TableRec hints;
PS_Mask_TableRec masks;
PS_Mask_TableRec counters;
} PS_DimensionRec, *PS_Dimension;
/* glyph hints descriptor */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PS_HintsRec_
{
FT_Memory memory;
FT_Error error;
FT_UInt32 magic;
PS_Hint_Type hint_type;
PS_DimensionRec dimension[2];
} PS_HintsRec, *PS_Hints;
/* */
/* initialize hints recorder */
FT_LOCAL( void )
ps_hints_init( PS_Hints hints,
FT_Memory memory );
/* finalize hints recorder */
FT_LOCAL( void )
ps_hints_done( PS_Hints hints );
/* initialize Type1 hints recorder interface */
FT_LOCAL( void )
t1_hints_funcs_init( T1_Hints_FuncsRec* funcs );
/* initialize Type2 hints recorder interface */
FT_LOCAL( void )
t2_hints_funcs_init( T2_Hints_FuncsRec* funcs );
#ifdef DEBUG_HINTER
extern PS_Hints ps_debug_hints;
extern int ps_debug_no_horz_hints;
extern int ps_debug_no_vert_hints;
#endif
/* */
FT_END_HEADER
#endif /* PSHREC_H_ */
/* END */
/***************************************************************************/
/* */
/* pshrec.h */
/* */
/* Postscript (Type1/Type2) hints recorder (specification). */
/* */
/* Copyright 2001-2016 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
/* modified, and distributed under the terms of the FreeType project */
/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
/* this file you indicate that you have read the license and */
/* understand and accept it fully. */
/* */
/***************************************************************************/
/**************************************************************************/
/* */
/* The functions defined here are called from the Type 1, CID and CFF */
/* font drivers to record the hints of a given character/glyph. */
/* */
/* The hints are recorded in a unified format, and are later processed */
/* by the `optimizer' and `fitter' to adjust the outlines to the pixel */
/* grid. */
/* */
/**************************************************************************/
#ifndef PSHREC_H_
#define PSHREC_H_
#include <ft2build.h>
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
#include "pshglob.h"
FT_BEGIN_HEADER
/*************************************************************************/
/*************************************************************************/
/***** *****/
/***** GLYPH HINTS RECORDER INTERNALS *****/
/***** *****/
/*************************************************************************/
/*************************************************************************/
/* handle to hint record */
typedef struct PS_HintRec_* PS_Hint;
/* hint types */
typedef enum PS_Hint_Type_
{
PS_HINT_TYPE_1 = 1,
PS_HINT_TYPE_2 = 2
} PS_Hint_Type;
/* hint flags */
#define PS_HINT_FLAG_GHOST 1U
#define PS_HINT_FLAG_BOTTOM 2U
/* hint descriptor */
typedef struct PS_HintRec_
{
FT_Int pos;
FT_Int len;
FT_UInt flags;
} PS_HintRec;
#define ps_hint_is_active( x ) ( (x)->flags & PS_HINT_FLAG_ACTIVE )
#define ps_hint_is_ghost( x ) ( (x)->flags & PS_HINT_FLAG_GHOST )
#define ps_hint_is_bottom( x ) ( (x)->flags & PS_HINT_FLAG_BOTTOM )
/* hints table descriptor */
typedef struct PS_Hint_TableRec_
{
FT_UInt num_hints;
FT_UInt max_hints;
PS_Hint hints;
} PS_Hint_TableRec, *PS_Hint_Table;
/* hint and counter mask descriptor */
typedef struct PS_MaskRec_
{
FT_UInt num_bits;
FT_UInt max_bits;
FT_Byte* bytes;
FT_UInt end_point;
} PS_MaskRec, *PS_Mask;
/* masks and counters table descriptor */
typedef struct PS_Mask_TableRec_
{
FT_UInt num_masks;
FT_UInt max_masks;
PS_Mask masks;
} PS_Mask_TableRec, *PS_Mask_Table;
/* dimension-specific hints descriptor */
typedef struct PS_DimensionRec_
{
PS_Hint_TableRec hints;
PS_Mask_TableRec masks;
PS_Mask_TableRec counters;
} PS_DimensionRec, *PS_Dimension;
/* glyph hints descriptor */
/* dimension 0 => X coordinates + vertical hints/stems */
/* dimension 1 => Y coordinates + horizontal hints/stems */
typedef struct PS_HintsRec_
{
FT_Memory memory;
FT_Error error;
FT_UInt32 magic;
PS_Hint_Type hint_type;
PS_DimensionRec dimension[2];
} PS_HintsRec, *PS_Hints;
/* */
/* initialize hints recorder */
FT_LOCAL( void )
ps_hints_init( PS_Hints hints,
FT_Memory memory );
/* finalize hints recorder */
FT_LOCAL( void )
ps_hints_done( PS_Hints hints );
/* initialize Type1 hints recorder interface */
FT_LOCAL( void )
t1_hints_funcs_init( T1_Hints_FuncsRec* funcs );
/* initialize Type2 hints recorder interface */
FT_LOCAL( void )
t2_hints_funcs_init( T2_Hints_FuncsRec* funcs );
#ifdef DEBUG_HINTER
extern PS_Hints ps_debug_hints;
extern int ps_debug_no_horz_hints;
extern int ps_debug_no_vert_hints;
#endif
/* */
FT_END_HEADER
#endif /* PSHREC_H_ */
/* END */