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adding first PS hinter files

This commit is contained in:
David Turner 2001-06-22 16:18:54 +00:00
parent fa6720d0f5
commit 115a0aa218
7 changed files with 2127 additions and 2 deletions
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6
include/freetype/internal/internal.h
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@ -40,8 +40,10 @@
#define FT_INTERNAL_CFF_TYPES_H <freetype/internal/cfftypes.h>
#define FT_INTERNAL_FNT_TYPES_H <freetype/internal/fnttypes.h>
#define FT_INTERNAL_POSTSCRIPT_NAMES_H <freetype/internal/psnames.h>
#define FT_INTERNAL_POSTSCRIPT_AUX_H <freetype/internal/psaux.h>
#define FT_INTERNAL_POSTSCRIPT_NAMES_H <freetype/internal/psnames.h>
#define FT_INTERNAL_POSTSCRIPT_AUX_H <freetype/internal/psaux.h>
#define FT_INTERNAL_POSTSCRIPT_HINTS_H <freetype/internal/pshints.h>
#define FT_INTERNAL_POSTSCRIPT_GLOBALS_H <freetype/internal/psglobal.h>
#define FT_INTERNAL_AUTOHINT_H <freetype/internal/autohint.h>

139
include/freetype/internal/psglobal.h Normal file
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#ifndef __PSGLOBALS_H__
#define __PSGLOBALS_H__
/**********************************************************************/
/**********************************************************************/
/***** *****/
/***** PUBLIC STRUCTURES & API *****/
/***** *****/
/**********************************************************************/
/**********************************************************************/
/****************************************************************
*
* @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
/****************************************************************
*
* @type: PS_Globals
*
* @description:
* a handle to a @PS_GlobalsRec structure used to
* describe the global hints of a given font
*/
typedef struct PS_GlobalsRec_* PS_Globals;
/****************************************************************
*
* @struct: PS_Globals_BluesRec
*
* @description:
* a structure used to model the global blue zones of a given
* font
*
* @fields:
* count :: number of blue zones
* zones :: an array of (count*2) coordinates describing the zones
*
* count_family :: number of family blue zones
* zones_family :: an array of (count_family*2) coordinates describing
* the family blue zones
*
* scale :: the blue scale to be used (fixed float)
* shift :: the blue shift to be used
* fuzz :: the blue fuzz to be used
*
* @note:
* each blue zone is modeled by a (reference,overshoot) coordinate pair
* in the table. zones can be placed in any order..
*/
typedef struct PS_Globals_BluesRec
{
FT_UInt count;
FT_Int16 zones[ 2*PS_GLOBALS_MAX_BLUE_ZONES ];
FT_UInt count_family;
FT_Int16 zones_family[ 2*PS_GLOBALS_MAX_BLUE_ZONES ];
FT_Fixed scale;
FT_Int16 shift;
FT_Int16 fuzz;
} PS_Globals_BluesRec, *PS_Globals_Blues;
/****************************************************************
*
* @type: PS_Global_Widths;
*
* @description:
* a handle to a @PS_Globals_WidthsRec structure used to model
* the global standard and snap widths in a given direction
*/
typedef struct PS_Globals_WidthsRec_* PS_Globals_Widths;
/****************************************************************
*
* @struct: PS_Globals_WidthsRec
*
* @description:
* a structure used to model the global standard and snap widths
* in a given font
*
* @fields:
* count :: number of widths
* widths :: an array of 'count' widths in font units.
*
* @note:
* 'widths[0]' must be the standard width or height, while
* remaining elements of the array are snap widths or heights
*/
typedef struct PS_Globals_WidthsRec_
{
FT_UInt count;
FT_Int16 widths[ PS_GLOBALS_MAX_STD_WIDTHS ];
} PS_Globals_WidthsRec;
/****************************************************************
*
* @struct: PS_Globals_GlobalsRec
*
* @description:
* a structure used to model the global hints for a given font
*
* @fields:
* horizontal :: horizontal widths
* vertical :: vertical heights
* blues :: blue zones
*/
typedef struct PS_GlobalsRec_
{
PS_Globals_WidthsRec horizontal;
PS_Globals_WidthsRec vertical;
PS_Globals_BluesRec blues;
} PS_GlobalsRec;
/* */
#endif /* __PS_GLOBALS_H__ */

419
include/freetype/internal/pshints.h Normal file
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/***************************************************************************/
/* */
/* pshints.h */
/* */
/* Interface to Postscript-specific (Type 1 and Type 2) hints */
/* recorders. These are used to support native T1/T2 hints */
/* in the "type1", "cid" and "cff" font drivers */
/* */
/* Copyright 2001 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 __PSHINTS_H__
#define __PSHINTS_H__
FT_BEGIN_HEADER
/**********************************************************************/
/**********************************************************************/
/***** *****/
/***** PUBLIC TYPE 1 HINTS RECORDER *****/
/***** *****/
/**********************************************************************/
/**********************************************************************/
/************************************************************************
*
* @type: T1_Hints
*
* @description:
* this is a handle to an opaque structure used to record glyph
* hints from a Type 1 character glyph character string.
*
* the methods used to operate on this object are defined by the
* @T1_Hints_FuncsRec structure. Recording glyph hints is normally
* achieved through the following scheme:
*
* - open a new hint recording session by calling the "open"
* method. This will rewind the recorder and prepare it for
* new input
*
* - for each hint found in the glyph charstring, call the
* corresponding method ("stem", "stem3" or "reset").
* note that these functions do not return an error code
*
* - close the recording session by calling the "close" method
* it will return an error code if the hints were invalid or
* something strange happened (e.g. memory shortage)
*
* the hints accumulated in the object can later be used by the
* Postscript hinter
*/
typedef struct T1_HintsRec_* T1_Hints;
/************************************************************************
*
* @type: T1_Hints_Funcs
*
* @description:
* a pointer to the @T1_Hints_FuncsRec structure that defines the
* API of a given @T1_Hints object
*/
typedef const struct T1_Hints_FuncsRec_* T1_Hints_Funcs;
/************************************************************************
*
* @functype: T1_Hints_OpenFunc
*
* @description:
* a method of the @T1_Hints class used to prepare it for a new
* Type 1 hints recording session
*
* @input:
* hints :: handle to Type 1 hints recorder
*
* @note:
* You should always call the @T1_Hints_CloseFunc method in order
* to close an opened recording session
*/
typedef void (*T1_Hints_OpenFunc) ( T1_Hints hints );
/************************************************************************
*
* @functype: T1_Hints_SetStemFunc
*
* @description:
* a method of the @T1_Hints class used to record a new horizontal or
* vertical stem. This corresponds to the Type 1 "hstem" and "vstem"
* operators
*
* @input:
* hints :: handle to Type 1 hints recorder
* dimension :: 0 for horizontal stems (hstem), 1 for vertical ones (vstem)
* coords :: array of 2 integers, used as (position,length) stem descriptor
*
* @note:
* use vertical coordinates (y) for horizontal stems (dim=0)
* use horizontal coordinates (x) for vertical stems (dim=1)
*
* "coords[0]" is the absolute stem position (lowest coordinate)
* "corods[1]" is the length.
*
* the length can be negative, in which case it must be either
* -20 or -21 in order and will be interpreted as a "ghost" stem,
* according to the Type 1 specification.
*
* if the length is -21 (corresponding to a bottom ghost stem), then
* the real stem position is "coords[0]+coords[1]"
*/
typedef void (*T1_Hints_SetStemFunc) ( T1_Hints hints,
FT_UInt dimension,
FT_Int* coords );
/************************************************************************
*
* @functype: T1_Hints_SetStem3Func
*
* @description:
* a method of the @T1_Hints class used to record three counter-controlled
* horizontal or vertical stems at once
*
* @input:
* hints :: handle to Type 1 hints recorder
* dimension :: 0 for horizontal stems, 1 for vertical ones
* coords :: array of 6 integers, i.e. 3 (position,length) pairs
* for the counter-controlled stems
*
* @note:
* use vertical coordinates (y) for horizontal stems (dim=0)
* use horizontal coordinates (x) for vertical stems (dim=1)
*
* the lengths cannot be negative (ghost stems are never counter-controlled)
*/
typedef void (*T1_Hints_SetStem3Func) ( T1_Hints hints,
FT_UInt dimension,
FT_Int* coords );
/************************************************************************
*
* @functype: T1_Hints_ResetStemsFunc
*
* @description:
* a method of the @T1_Hints class used to reset the stems hints
* in a recording session. This is equivalent to the Type 1 ...
*
* @input:
* hints :: handle to Type 1 hints recorder
* end_point :: index of last point in the input glyph in which
* the previously defined hints apply
*/
typedef void (*T1_Hints_ResetStemsFunc)( T1_Hints hints,
FT_UInt end_point );
/************************************************************************
*
* @functype: T1_Hints_CloseFunc
*
* @description:
* a method of the @T1_Hints class used to close a hint recording
* session.
*
* @input:
* hints :: handle to Type 1 hints recorder
* end_point :: index of last point in the input glyph
*
* @return:
* error code. 0 means success
*
* @note:
* the error code will be set to indicate that an error occured
* during the recording session
*/
typedef FT_Error (*T1_Hint_RecordCloseFunc)( T1_Hints hints,
FT_UInt end_point );
/************************************************************************
*
* @struct: T1_Hints_FuncsRec
*
* @description:
* the structure used to provide the API to @T1_Hints objects
*
* @fields:
* open :: open recording session
* close :: close recording session
* stem :: set simple stem
* stem3 :: set counter-controlled stems
* reset :: reset stem hints
*/
typedef struct T1_Hints_FuncsRec_
{
T1_Hints_OpenFunc open;
T1_Hints_CloseFunc close;
T1_Hints_SetStemFunc stem;
T1_Hints_SetStem3Func stem3;
T1_Hints_ResetFunc reset;
} T1_Hints_FuncsRec;
/**********************************************************************/
/**********************************************************************/
/***** *****/
/***** PUBLIC TYPE 2 HINTS RECORDER *****/
/***** *****/
/**********************************************************************/
/**********************************************************************/
/************************************************************************
*
* @type: T2_Hints
*
* @description:
* this is a handle to an opaque structure used to record glyph
* hints from a Type 2 character glyph character string.
*
* the methods used to operate on this object are defined by the
* @T2_Hints_FuncsRec structure. Recording glyph hints is normally
* achieved through the following scheme:
*
* - open a new hint recording session by calling the "open"
* method. This will rewind the recorder and prepare it for
* new input
*
* - for each hint found in the glyph charstring, call the
* corresponding method ("stems", "hintmask", "counters").
* note that these functions do not return an error code
*
* - close the recording session by calling the "close" method
* it will return an error code if the hints were invalid or
* something strange happened (e.g. memory shortage)
*
* the hints accumulated in the object can later be used by the
* Postscript hinter
*/
typedef struct T2_HintsRec_* T2_Hints;
/************************************************************************
*
* @type: T2_Hints_Funcs
*
* @description:
* a pointer to the @T1_Hints_FuncsRec structure that defines the
* API of a given @T2_Hints object
*/
typedef const struct T2_Hints_FuncsRec_* T2_Hints_Funcs;
/************************************************************************
*
* @functype: T2_Hints_OpenFunc
*
* @description:
* a method of the @T2_Hints class used to prepare it for a new
* Type 2 hints recording session
*
* @input:
* hints :: handle to Type 2 hints recorder
*
* @note:
* You should always call the @T2_Hints_CloseFunc method in order
* to close an opened recording session
*/
typedef void (*T2_Hints_OpenFunc) ( T2_Hints hints );
/************************************************************************
*
* @functype: T2_Hints_StemsFunc
*
* @description:
* a method of the @T2_Hints class used to set the table of stems
* in either the vertical or horizontal dimension. Equivalent to the
* "hstem", "vstem", "hstemhm" and "vstemhm" Type 2 operators
*
* @input:
* hints :: handle to Type 2 hints recorder
* dimension :: 0 for horizontal stems (hstem), 1 for vertical ones (vstem)
* count :: number of stems
* coordinates :: an array of "count" (position,length) pairs
*
* @note:
* use vertical coordinates (y) for horizontal stems (dim=0)
* use horizontal coordinates (x) for vertical stems (dim=1)
*
* there are "2*count" elements in the "coordinates" array. Each
* even element is an absolute position in font units, each odd
* element is a length in font units
*
* a length can be negative, in which case it must be either
* -20 or -21 in order and will be interpreted as a "ghost" stem,
* according to the Type 1 specification.
*/
typedef void (*T2_Hints_StemsFunc) ( T2_Hints hints,
FT_UInt dimension,
FT_UInt count,
FT_Fixed* coordinates );
/************************************************************************
*
* @functype: T2_Hints_MaskFunc
*
* @description:
* a method of the @T2_Hints class used to set a given hintmask
* (correspond to the "hintmask" Type 2 operator)
*
* @input:
* hints :: handle to Type 2 hints recorder
* end_point :: glyph index of the last point to which the previously
* defined/active hints apply.
* bit_count :: number of bits in the hint mask.
* bytes :: an array of bytes modelling the hint mask
*
* @note:
* if the hintmask starts the charstring (before any glyph point
* definition), the value of "end_point" should be 0
*
* "bit_count" is the number of meaningful bits in the "bytes" array,
* and must be equal to the total number of hints defined so far
* (i.e. horizontal+verticals)
*
* the "bytes" array can come directly from the Type 2 charstring
* and respect the same format.
*/
typedef void (*T2_Hints_MaskFunc) ( T2_Hints hints,
FT_UInt end_point,
FT_UInt bit_count,
const FT_Byte* bytes );
/************************************************************************
*
* @functype: T2_Hints_CounterFunc
*
* @description:
* a method of the @T2_Hints class used to set a given counter
* mask (correspond to the "hintmask" Type 2 operator)
*
* @input:
* hints :: handle to Type 2 hints recorder
* end_point :: glyph index of the last point to which the previously
* defined/active hints apply.
* bit_count :: number of bits in the hint mask.
* bytes :: an array of bytes modelling the hint mask
*
* @note:
* if the hintmask starts the charstring (before any glyph point
* definition), the value of "end_point" should be 0
*
* "bit_count" is the number of meaningful bits in the "bytes" array,
* and must be equal to the total number of hints defined so far
* (i.e. horizontal+verticals)
*
* the "bytes" array can come directly from the Type 2 charstring
* and respect the same format.
*/
typedef void (*T2_Hints_CounterFunc)( T2_Hints hints,
FT_UInt bit_count,
const FT_Byte* bytes );
/************************************************************************
*
* @functype: T2_Hints_CloseFunc
*
* @description:
* a method of the @T2_Hints class used to close a hint recording
* session.
*
* @input:
* hints :: handle to Type 2 hints recorder
* end_point :: index of last point in the input glyph
*
* @return:
* error code. 0 means success
*
* @note:
* the error code will be set to indicate that an error occured
* during the recording session
*/
typedef FT_Error (*T2_Hints_CloseFunc) ( T2_Hints hints,
FT_UInt end_point );
/************************************************************************
*
* @struct: T2_Hints_FuncsRec
*
* @description:
* the structure used to provide the API to @T2_Hints objects
*
* @fields:
* open :: open recording session
* close :: close recording session
* stems :: set dimension's stems table
* hintmask :: set hint masks
* counter :: set counter masks
*/
typedef struct T2_Hints_FuncsRec_
{
T2_Hints_OpenFunc open;
T2_Hints_CloseFunc close;
T2_Hints_StemsFunc stems;
T2_Hints_MaskFunc hintmask;
T2_Hints_CounterFunc counter;
} T2_Hints_FuncsRec;
/* */
FT_END_HEADER
#endif /* __PSHINTS_H__ */

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src/pshinter/pshglob.c Normal file
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#include "pshglob.h"
/* "simple" ps hinter globals management, inspired from the new auto-hinter */
FT_LOCAL void
psh_globals_init( PSH_Globals globals,
FT_Memory memory )
{
memset( globals, 0, sizeof(*globals) );
globals->memory = memory;
globals->x_scale = 0x10000L;
globals->y_scale = 0x10000L;
}
/* reset the widths/heights table */
static FT_Error
psh_globals_reset_widths( PSH_Globals globals,
FT_UInt direction,
PS_Globals_Widths widths )
{
PSH_Dimension dim = &globals->dim[direction];
FT_Memory memory = globals->memory;
FT_Error error = 0;
/* simple copy of the original widths values - no sorting */
{
FT_UInt count = widths->count;
PSH_Width write = dim->std.widths;
FT_Int16* read = widths->widths;
dim->std.count = count;
for ( ; count > 0; count-- )
{
write->org = read[0];
write++;
read++;
}
}
return error;
}
/* scale the widths/heights table */
static void
psh_globals_scale_widths( PSH_Globals globals,
FT_UInt direction )
{
PSH_Widths std = &globals->std[direction];
FT_UInt count = std->count;
PSH_Width width = std->widths;
FT_Fixed scale = globals->scale[direction];
for ( ; count > 0; count--, width++ )
{
width->cur = FT_MulFix( width->org, scale );
width->fit = FT_RoundFix( width->cur );
}
}
/* reset the blues table */
static FT_Error
psh_globals_reset_blues( PSH_Globals globals,
PS_Globals_Blues blues )
{
FT_Error error = 0;
FT_Memory memory = globals->memory;
if ( !FT_REALLOC_ARRAY( globals->blues.zones, globals->blues.count,
blues->count, PSH_Blue_ZoneRec ) )
{
FT_UInt count = 0;
globals->blyes.count = blues->count;
/* first of all, build a sorted table of blue zones */
{
FT_Int16* read = blue->zones;
FT_UInt n, i, j;
FT_Pos reference, overshoot, delta;
for ( n = 0; n < blues->count; n++, read++ )
{
PSH_Blue_Zone zone;
/* read new blue zone entry, find top and bottom coordinates */
reference = read[0];
overshoot = read[1];
delta = overshoot - reference;
/* now, insert in the blue zone table, sorted by reference position */
zone = globals->blues.zones;
for ( i = 0; i < count; i++, zone++ )
{
if ( reference > zone->org_ref )
break;
if ( reference == zone->org_ref )
{
/* on the same reference coordinate, place bottom zones */
/* before top zones.. */
if ( delta < 0 || zone->org_delta >= 0 )
break;
}
for ( j = count - i; j > 0; j-- )
zone[j+1] = zone[j];
zone->org_ref = reference;
zone->org_delta = delta;
count++;
}
}
/* now, get rid of blue zones located on the same reference position */
/* (only keep the largest zone).. */
{
PSH_Blue_Zone zone, limit;
zone = globals->blues.zones;
limit = zone + count;
for ( ; zone+1 < limit; zone++ )
{
if ( zone[0].org_ref == zone[1].org_ref )
{
FT_Int delta0 = zone[0].org_delta;
FT_Int delta1 = zone[1].org_delta;
/* these two zones are located on the same reference coordinate */
/* we need to merge them when they're in the same direction.. */
if ( ( delta0 < 0 ) ^ ( delta1 < 0 ) ) == 0 )
{
/* ok, take the biggest one */
if ( delta0 < 0 )
{
if ( delta1 < delta0 )
delta0 = delta1;
}
else
{
if ( delta1 > delta0 )
delta0 = delta1;
}
zone[0].org_delta = delta0;
{
PSH_Blue_Zone cur = zone+1;
FT_UInt count2 = limit - cur;
for ( ; count2 > 0; count2--, cur++ )
{
cur[0].org_ref = cur[1].org_ref;
cur[0].org_delta = cur[1].org_delta;
}
}
count--;
limit--;
}
}
}
}
globals->blues.count = count;
globals->blues.org_shift = blues->shift;
globals->blues.org_fuzz = blues->fuzz;
}
return error;
}
static void
psh_globals_scale_blues( PSH_Globals globals,
PS_Globals_Blues blues )
{
FT_Fixed y_scale = globals->scale[1];
FT_Fixed y_delta = globals->delta[1];
FT_Pos prev_top;
PSH_Blue_Zone zone, prev;
FT_UInt count;
zone = globals->blues.zones;
prev = 0;
prev_top = 0;
for ( count = globals->blues.count; count > 0; count-- )
{
FT_Pos ref, delta, top, bottom;
ref = FT_MulFix( zone->org_ref, y_scale ) + y_delta;
delta = FT_MulFix( zone->org_delta, y_scale );
ref = (ref+32) & -64;
if ( delta < 0 )
{
top = ref;
bottom = ref + delta;
}
else
{
bottom = ref;
top = ref + delta;
}
zone->cur_ref = ref;
zone->cur_delta = delta;
zone->cur_top = top;
zone->cur_bottom = bottom;
if
prev = zone;
zone++;
}
/* XXXX: test overshoot supression !! */
}
FT_LOCAL FT_Error
psh_globals_reset( PSH_Globals globals,
T1_Fitter_Globals public_globals )
{
psh_globals_reset_widths( globals, 0, &public_globals->horizontal );
psh_globals_scale_widths( globals, 0 );
psh_globals_reset_widths( globals, 1, &public_globals->vertical );
psh_globals_scale_widths( globals, 1 );
psh_globals_reset_blues( globals, public_globals );
psh_globals_scale_blues( globals );
}
FT_LOCAL void
psh_globals_set_scale( PSH_Globals globals,
FT_Fixed x_scale,
FT_Fixed x_delta,
FT_Fixed y_scale,
FT_Fixed y_delta )
{
FT_Memory memory = globals->memory;
if ( x_scale != globals->scale[0] ||
y_scale != globals->scale[1] ||
x_delta != globals->delta[0] ||
y_delta != globals->delta[1] )
{
globals->scale[0] = x_scale;
globals->scale[1] = y_scale;
globals->delta[0] = x_delta;
globals->delta[1] = y_delta;
psh_globals_scale_widths( globals, 0 );
psh_globals_scale_widths( globals, 1 );
psh_globals_scale_blues ( globals );
}
}
FT_LOCAL void
psh_globals_done( PSH_Globals globals )
{
if (globals)
{
FT_Memory memory = globals->memory;
FT_FREE( globals->std[0].widths );
globals->std[0].count = 0;
FT_FREE( globals->std[1].widths );
globals->std[1].count = 0;
FT_FREE( globals->blues.zones );
globals->blues.count = 0;
}
}

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#ifndef __PS_HINTER_GLOBALS_H__
#define __PS_HINTER_GLOBALS_H__
FT_BEGIN_HEADER
/**********************************************************************/
/**********************************************************************/
/***** *****/
/***** GLOBAL HINTS INTERNALS *****/
/***** *****/
/**********************************************************************/
/**********************************************************************/
/* blue zone descriptor */
typedef struct PSH_Blue_ZoneRec_
{
FT_Int org_ref;
FT_Int org_delta;
FT_Pos cur_ref;
FT_Pos cur_delta;
FT_Pos cur_bottom;
FT_Pos cur_top;
} PSH_Blue_ZoneRec, *PSH_Blue_Zone;
/* blue zones table */
typedef struct PSH_BluesRec_
{
FT_UInt count;
PSH_Blue_ZoneRec zones[ PS_GLOBALS_MAX_BLUE_ZONES ];
FT_UInt count_family;
PSH_Blue_ZoneRec zones_family[ PS_GLOBALS_MAX_BLUE_ZONES ];
FT_Fixed scale;
FT_Int org_shift;
FT_Int org_fuzz;
FT_Pos cur_shift;
FT_Pos cur_fuzz;
} PSH_BluesRec, *PSH_Blues;
/* standard and snap width */
typedef struct PSH_WidthRec_
{
FT_Int org;
FT_Pos cur;
FT_Pos fit;
} PSH_WidthRec;
/* 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 std;
FT_Fixed scale_mult;
FT_Fixed scale_delta;
} PSH_DimensionRec, *PSH_Dimension;
/* font globals */
typedef struct PSH_GlobalsRec_
{
FT_Memory memory;
PSH_DimensionRec dimension[2];
PSH_BluesRec blues;
} PSH_GlobalsRec, *PSH_Globals;
/* initialise font globals */
FT_LOCAL void
psh_globals_init( PSH_Globals globals,
FT_Memory memory );
/* reset font globals to new values */
FT_LOCAL FT_Error
psh_globals_reset( PSH_Globals globals_hinter,
PS_Globals globals );
/* change current scale transform */
FT_LOCAL void
psh_globals_set_scale( PSH_Globals globals_hinter,
FT_Fixed x_scale,
FT_Fixed x_delta,
FT_Fixed y_scale,
FT_Fixed y_delta );
/* finalize font globals */
FT_LOCAL void
psh_globals_done( PSH_Globals globals );
/* */
FT_END_HEADER
#endif __T1_FITTER_GLOBALS_H__

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#ifndef __PSRECORD_H_
#define __PSRECORD_H__
#include FT_INTERNAL_POSTSCRIPT_HINTS_H
FT_BEGIN_HEADER
/**********************************************************************/
/**********************************************************************/
/***** *****/
/***** GLYPH HINTS RECORDER INTERNALS *****/
/***** *****/
/**********************************************************************/
/**********************************************************************/
/* handle to hint record */
typedef struct PS_HintRec_* PS_Hint;
/* hint flags */
typedef enum
{
PS_HINT_FLAG_ACTIVE = 1,
PS_HINT_FLAG_GHOST = 2,
PS_HINT_FLAG_BOTTOM = 4
} PS_Hint_Flags;
/* hint descriptor */
typedef struct PS_HintRec_
{
FT_Int org_pos;
FT_Int org_len;
FT_UInt flags;
#if 0
FT_Pos cur_pos;
FT_Pos cur_len;
PS_Hint parent;
FT_Fixed interp_scale;
FT_Fixed interp_delta;
#endif
} 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;
/* magic value used within PS_HintsRec */
#define PS_HINTS_MAGIC 0x68696e74 /* "hint" */
/* glyph hints descriptor */
typedef struct PS_HintsRec_
{
FT_Memory memory;
FT_Error error;
FT_UInt32 magic;
PS_Hint_Type hint_type;
PS_DimensionRec dimension[2];
} PS_HintsRec;
/* */
FT_END_HEADER
#endif /* __T1_FITTER_HINTS_H__ */