* src/type1/t1gload.h, src/type1/t1gload.c: fixed incorrect
parameter sign-ness in callback function * include/freetype/config/ftmodule.h, include/freetype/internal/fttrace.h, src/Jamfile, src/pfr/*: adding a PFR font driver to the FreeType sources. Not that it doesn't support embedded bitmaps or kerning tables for now.. * include/freetype/internal/ftmemory.h: adding the FT_MEM_ZERO and FT_ZERO macros * include/freetype/internal/ftstream.h: adding the FT_NEXT_OFF3, FT_NEXT_UOFF3, FT_NEXT_OFF3_LE and FT_NEXT_UOFF3_LE to parse in-memory 24-bit integers.
This commit is contained in:
parent
f123ab6e5f
commit
609e28c3be
21
ChangeLog
21
ChangeLog
|
@ -1,3 +1,24 @@
|
|||
2002-04-19 David Turner <david@freetype.org>
|
||||
|
||||
* src/type1/t1gload.h, src/type1/t1gload.c: fixed incorrect
|
||||
parameter sign-ness in callback function
|
||||
|
||||
* include/freetype/config/ftmodule.h,
|
||||
include/freetype/internal/fttrace.h,
|
||||
src/Jamfile, src/pfr/*:
|
||||
|
||||
adding a PFR font driver to the FreeType sources. Not that it
|
||||
doesn't support embedded bitmaps or kerning tables for now..
|
||||
|
||||
|
||||
* include/freetype/internal/ftmemory.h: adding the FT_MEM_ZERO
|
||||
and FT_ZERO macros
|
||||
|
||||
* include/freetype/internal/ftstream.h: adding the FT_NEXT_OFF3,
|
||||
FT_NEXT_UOFF3, FT_NEXT_OFF3_LE and FT_NEXT_UOFF3_LE to parse
|
||||
in-memory 24-bit integers.
|
||||
|
||||
|
||||
2002-04-18 David Turner <david@freetype.org>
|
||||
|
||||
* src/base/ftobjs.c, builds/win32/ftdebug.c,
|
||||
|
|
|
@ -10,5 +10,6 @@ FT_USE_MODULE(sfnt_module_class)
|
|||
FT_USE_MODULE(ft_smooth_renderer_class)
|
||||
FT_USE_MODULE(tt_driver_class)
|
||||
FT_USE_MODULE(t1_driver_class)
|
||||
FT_USE_MODULE(pfr_driver_class)
|
||||
FT_USE_MODULE(winfnt_driver_class)
|
||||
|
||||
|
|
|
@ -375,7 +375,7 @@ FT_BEGIN_HEADER
|
|||
/* By undefining this, you will only compile the code necessary to load */
|
||||
/* TrueType glyphs without hinting. */
|
||||
/* */
|
||||
#undef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
|
||||
#undef TT_CONFIG_OPTION_BYTECODE_INTERPRETER
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
|
|
|
@ -178,6 +178,9 @@ FT_BEGIN_HEADER
|
|||
|
||||
#define FT_MEM_MOVE( dest, source, count ) ft_memmove( dest, source, count )
|
||||
|
||||
#define FT_MEM_ZERO( dest, count ) FT_MEM_SET( dest, 0, count )
|
||||
|
||||
#define FT_ZERO(p) FT_MEM_ZERO( p, sizeof(*(p)) )
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
|
|
|
@ -120,6 +120,8 @@ FT_BEGIN_HEADER
|
|||
#define FT_FRAME_ULONG( f ) FT_FRAME_FIELD( ft_frame_ulong_be, f )
|
||||
#define FT_FRAME_SHORT( f ) FT_FRAME_FIELD( ft_frame_short_be, f )
|
||||
#define FT_FRAME_USHORT( f ) FT_FRAME_FIELD( ft_frame_ushort_be, f )
|
||||
#define FT_FRAME_OFF3( f ) FT_FRAME_FIELD( ft_frame_off3_be, f )
|
||||
#define FT_FRAME_UOFF3( f ) FT_FRAME_FIELD( ft_frame_uoff3_be, f )
|
||||
#define FT_FRAME_BYTE( f ) FT_FRAME_FIELD( ft_frame_byte, f )
|
||||
#define FT_FRAME_CHAR( f ) FT_FRAME_FIELD( ft_frame_schar, f )
|
||||
|
||||
|
@ -127,6 +129,8 @@ FT_BEGIN_HEADER
|
|||
#define FT_FRAME_ULONG_LE( f ) FT_FRAME_FIELD( ft_frame_ulong_le, f )
|
||||
#define FT_FRAME_SHORT_LE( f ) FT_FRAME_FIELD( ft_frame_short_le, f )
|
||||
#define FT_FRAME_USHORT_LE( f ) FT_FRAME_FIELD( ft_frame_ushort_le, f )
|
||||
#define FT_FRAME_OFF3_LE( f ) FT_FRAME_FIELD( ft_frame_off3_le, f )
|
||||
#define FT_FRAME_UOFF3_LE( f ) FT_FRAME_FIELD( ft_frame_uoff3_le, f )
|
||||
|
||||
#define FT_FRAME_SKIP_LONG { ft_frame_long_be, 0, 0 }
|
||||
#define FT_FRAME_SKIP_SHORT { ft_frame_short_be, 0, 0 }
|
||||
|
|
|
@ -92,5 +92,7 @@ FT_TRACE_DEF( winfnt )
|
|||
FT_TRACE_DEF( pcfdriver )
|
||||
FT_TRACE_DEF( pcfread )
|
||||
|
||||
/* PFR fonts component */
|
||||
FT_TRACE_DEF( pfr )
|
||||
|
||||
/* END */
|
||||
|
|
|
@ -21,6 +21,7 @@ SubInclude FT2_TOP src cache ;
|
|||
SubInclude FT2_TOP src cff ;
|
||||
SubInclude FT2_TOP src cid ;
|
||||
SubInclude FT2_TOP src pcf ;
|
||||
SubInclude FT2_TOP src pfr ;
|
||||
SubInclude FT2_TOP src psaux ;
|
||||
SubInclude FT2_TOP src psnames ;
|
||||
SubInclude FT2_TOP src raster ;
|
||||
|
|
|
@ -0,0 +1,23 @@
|
|||
# FreeType 2 src/pfr Jamfile (c) 2002 David Turner
|
||||
#
|
||||
|
||||
SubDir FT2_TOP src pfr ;
|
||||
|
||||
SubDirHdrs [ FT2_SubDir src pfr ] ;
|
||||
|
||||
{
|
||||
local _sources ;
|
||||
|
||||
if $(FT2_MULTI)
|
||||
{
|
||||
_sources = pfrdrivr pfrgload pfrload pfrobjs pfrcmap ;
|
||||
}
|
||||
else
|
||||
{
|
||||
_sources = pfr ;
|
||||
}
|
||||
|
||||
Library $(FT2_LIB) : $(_sources).c ;
|
||||
}
|
||||
|
||||
# end of src/pfr Jamfile
|
|
@ -0,0 +1,23 @@
|
|||
#
|
||||
# FreeType 2 PFR driver compilation rules for VMS
|
||||
#
|
||||
|
||||
|
||||
# Copyright 1996-2002 by
|
||||
# David Turner, Robert Wilhelm, and Werner Lemberg.
|
||||
#
|
||||
# This file is part of the FreeType project, and may only be used, modified,
|
||||
# and distributed under the terms of the FreeType project license,
|
||||
# LICENSE.TXT. By continuing to use, modify, or distribute this file you
|
||||
# indicate that you have read the license and understand and accept it
|
||||
# fully.
|
||||
|
||||
|
||||
CFLAGS=$(COMP_FLAGS)$(DEBUG)/include=([--.include],[--.src.pfr])
|
||||
|
||||
OBJS=pfr.obj
|
||||
|
||||
all : $(OBJS)
|
||||
library [--.lib]freetype.olb $(OBJS)
|
||||
|
||||
# EOF
|
|
@ -0,0 +1,22 @@
|
|||
#
|
||||
# FreeType 2 PFR module definition
|
||||
#
|
||||
|
||||
|
||||
# Copyright 1996-2002 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.
|
||||
|
||||
|
||||
make_module_list: add_pfr_driver
|
||||
|
||||
add_pfr_driver:
|
||||
$(OPEN_DRIVER)pfr_driver_class$(CLOSE_DRIVER)
|
||||
$(ECHO_DRIVER)pfr $(ECHO_DRIVER_DESC)PFR/TrueDoc font files with extension *.pfr$(ECHO_DRIVER_DONE)
|
||||
|
||||
# EOF
|
|
@ -0,0 +1,28 @@
|
|||
/***************************************************************************/
|
||||
/* */
|
||||
/* pfr.c */
|
||||
/* */
|
||||
/* FreeType PFR driver component */
|
||||
/* */
|
||||
/* Copyright 1996-2002 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 "pfrload.c"
|
||||
#include "pfrgload.c"
|
||||
#include "pfrcmap.c"
|
||||
#include "pfrobjs.c"
|
||||
#include "pfrdrivr.c"
|
||||
|
||||
/* END */
|
|
@ -0,0 +1,129 @@
|
|||
#include "pfrcmap.h"
|
||||
#include "pfrobjs.h"
|
||||
#include FT_INTERNAL_DEBUG_H
|
||||
|
||||
FT_CALLBACK_DEF( FT_Error )
|
||||
pfr_cmap_init( PFR_CMap cmap )
|
||||
{
|
||||
PFR_Face face = (PFR_Face)FT_CMAP_FACE(cmap);
|
||||
|
||||
|
||||
cmap->num_chars = face->phy_font.num_chars;
|
||||
cmap->chars = face->phy_font.chars;
|
||||
|
||||
/* just for safety, check that the character entries are correctly */
|
||||
/* sorted in increasing character code order.. */
|
||||
{
|
||||
FT_UInt n;
|
||||
|
||||
for ( n = 1; n < cmap->num_chars; n++ )
|
||||
{
|
||||
if ( cmap->chars[n-1].char_code >= cmap->chars[n].char_code )
|
||||
FT_ASSERT(0);
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
FT_CALLBACK_DEF( void )
|
||||
pfr_cmap_done( PFR_CMap cmap )
|
||||
{
|
||||
cmap->chars = NULL;
|
||||
cmap->num_chars = 0;
|
||||
}
|
||||
|
||||
|
||||
FT_CALLBACK_DEF( FT_UInt )
|
||||
pfr_cmap_char_index( PFR_CMap cmap,
|
||||
FT_UInt32 char_code )
|
||||
{
|
||||
FT_UInt min = 0;
|
||||
FT_UInt max = cmap->num_chars;
|
||||
FT_UInt mid;
|
||||
PFR_Char gchar;
|
||||
|
||||
|
||||
while ( min < max )
|
||||
{
|
||||
mid = min + ( max - min ) / 2;
|
||||
gchar = cmap->chars + mid;
|
||||
|
||||
if ( gchar->char_code == char_code )
|
||||
return mid;
|
||||
|
||||
if ( gchar->char_code < char_code )
|
||||
min = mid + 1;
|
||||
else
|
||||
max = mid;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
FT_CALLBACK_DEF( FT_UInt )
|
||||
pfr_cmap_char_next( PFR_CMap cmap,
|
||||
FT_UInt32 *pchar_code )
|
||||
{
|
||||
FT_UInt result = 0;
|
||||
FT_UInt32 char_code = *pchar_code + 1;
|
||||
|
||||
|
||||
Restart:
|
||||
{
|
||||
FT_UInt min = 0;
|
||||
FT_UInt max = cmap->num_chars;
|
||||
FT_UInt mid;
|
||||
PFR_Char gchar;
|
||||
|
||||
|
||||
while ( min < max )
|
||||
{
|
||||
mid = min + ( ( max - min ) >> 1 );
|
||||
gchar = cmap->chars + mid;
|
||||
|
||||
if ( gchar->char_code == char_code )
|
||||
{
|
||||
result = mid;
|
||||
if ( result != 0 )
|
||||
goto Exit;
|
||||
|
||||
char_code++;
|
||||
goto Restart;
|
||||
}
|
||||
|
||||
if ( gchar->char_code < char_code )
|
||||
min = mid+1;
|
||||
else
|
||||
max = mid;
|
||||
}
|
||||
|
||||
/* we didn't find it, but we have a pair just above it */
|
||||
char_code = 0;
|
||||
|
||||
if ( min < cmap->num_chars )
|
||||
{
|
||||
gchar = cmap->chars + min;
|
||||
result = min;
|
||||
if ( result != 0 )
|
||||
char_code = gchar->char_code;
|
||||
}
|
||||
}
|
||||
|
||||
Exit:
|
||||
*pchar_code = char_code;
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
FT_CALLBACK_TABLE_DEF const FT_CMap_ClassRec
|
||||
pfr_cmap_class_rec =
|
||||
{
|
||||
sizeof ( PFR_CMapRec ),
|
||||
|
||||
(FT_CMap_InitFunc) pfr_cmap_init,
|
||||
(FT_CMap_DoneFunc) pfr_cmap_done,
|
||||
(FT_CMap_CharIndexFunc) pfr_cmap_char_index,
|
||||
(FT_CMap_CharNextFunc) pfr_cmap_char_next
|
||||
};
|
|
@ -0,0 +1,23 @@
|
|||
#ifndef __PFR_CMAP_H__
|
||||
#define __PFR_CMAP_H__
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_OBJECTS_H
|
||||
#include "pfrtypes.h"
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
typedef struct PFR_CMapRec_
|
||||
{
|
||||
FT_CMapRec cmap;
|
||||
FT_UInt num_chars;
|
||||
PFR_Char chars;
|
||||
|
||||
} PFR_CMapRec, *PFR_CMap;
|
||||
|
||||
|
||||
FT_CALLBACK_TABLE const FT_CMap_ClassRec pfr_cmap_class_rec;
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __PFR_CMAP_H__ */
|
|
@ -0,0 +1,52 @@
|
|||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_DEBUG_H
|
||||
#include FT_INTERNAL_STREAM_H
|
||||
#include "pfrdrivr.h"
|
||||
#include "pfrobjs.h"
|
||||
|
||||
|
||||
FT_CALLBACK_TABLE_DEF
|
||||
const FT_Driver_ClassRec pfr_driver_class =
|
||||
{
|
||||
{
|
||||
ft_module_font_driver |
|
||||
ft_module_driver_scalable,
|
||||
|
||||
sizeof( FT_DriverRec ),
|
||||
|
||||
"pfr",
|
||||
0x10000L,
|
||||
0x20000L,
|
||||
|
||||
0, /* format interface */
|
||||
|
||||
(FT_Module_Constructor) NULL,
|
||||
(FT_Module_Destructor) NULL,
|
||||
(FT_Module_Requester) NULL
|
||||
},
|
||||
|
||||
sizeof( PFR_FaceRec ),
|
||||
sizeof( PFR_SizeRec ),
|
||||
sizeof( PFR_SlotRec ),
|
||||
|
||||
(FT_Face_InitFunc) pfr_face_init,
|
||||
(FT_Face_DoneFunc) pfr_face_done,
|
||||
(FT_Size_InitFunc) NULL,
|
||||
(FT_Size_DoneFunc) NULL,
|
||||
(FT_Slot_InitFunc) pfr_slot_init,
|
||||
(FT_Slot_DoneFunc) pfr_slot_done,
|
||||
|
||||
(FT_Size_ResetPointsFunc) NULL,
|
||||
(FT_Size_ResetPixelsFunc) NULL,
|
||||
(FT_Slot_LoadFunc) pfr_slot_load,
|
||||
(FT_CharMap_CharIndexFunc) NULL,
|
||||
|
||||
(FT_Face_GetKerningFunc) 0,
|
||||
(FT_Face_AttachFunc) 0,
|
||||
(FT_Face_GetAdvancesFunc) 0,
|
||||
|
||||
(FT_CharMap_CharNextFunc) NULL
|
||||
};
|
||||
|
||||
|
||||
|
|
@ -0,0 +1,38 @@
|
|||
/***************************************************************************/
|
||||
/* */
|
||||
/* pfrdrivr.h */
|
||||
/* */
|
||||
/* High-level Type PFR driver interface */
|
||||
/* */
|
||||
/* Copyright 1996-2002 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 __PFR_DRIVER_H__
|
||||
#define __PFR_DRIVER_H__
|
||||
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_DRIVER_H
|
||||
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
|
||||
FT_EXPORT_VAR( const FT_Driver_ClassRec ) pfr_driver_class;
|
||||
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __PFR_DRIVER_H__ */
|
||||
|
||||
|
||||
/* END */
|
|
@ -0,0 +1,751 @@
|
|||
#include "pfrgload.h"
|
||||
#include "pfrload.h" /* for macro definitions */
|
||||
#include FT_INTERNAL_DEBUG_H
|
||||
|
||||
#undef FT_COMPONENT
|
||||
#define FT_COMPONENT trace_pfr
|
||||
|
||||
/**************************************************************************/
|
||||
/**************************************************************************/
|
||||
/***** *****/
|
||||
/***** PFR GLYPH BUILDER *****/
|
||||
/***** *****/
|
||||
/**************************************************************************/
|
||||
/**************************************************************************/
|
||||
|
||||
|
||||
FT_LOCAL_DEF( void )
|
||||
pfr_glyph_init( PFR_Glyph glyph,
|
||||
FT_GlyphLoader loader )
|
||||
{
|
||||
FT_ZERO( glyph );
|
||||
|
||||
glyph->loader = loader;
|
||||
glyph->path_begun = 0;
|
||||
|
||||
FT_GlyphLoader_Rewind( loader );
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( void )
|
||||
pfr_glyph_done( PFR_Glyph glyph )
|
||||
{
|
||||
FT_Memory memory = glyph->loader->memory;
|
||||
|
||||
FT_FREE( glyph->x_control );
|
||||
glyph->y_control = NULL;
|
||||
|
||||
glyph->max_xy_control = 0;
|
||||
glyph->num_x_control = 0;
|
||||
glyph->num_y_control = 0;
|
||||
|
||||
FT_FREE( glyph->subs );
|
||||
|
||||
glyph->max_subs = 0;
|
||||
glyph->num_subs = 0;
|
||||
|
||||
glyph->loader = NULL;
|
||||
glyph->path_begun = 0;
|
||||
}
|
||||
|
||||
|
||||
/* close current contour, if any */
|
||||
static void
|
||||
pfr_glyph_close_contour( PFR_Glyph glyph )
|
||||
{
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Outline* outline = &loader->current.outline;
|
||||
FT_Int last, first;
|
||||
|
||||
if ( !glyph->path_begun )
|
||||
return;
|
||||
|
||||
/* compute first and last point indices in current glyph outline */
|
||||
last = outline->n_points - 1;
|
||||
first = 0;
|
||||
if ( outline->n_contours > 0 )
|
||||
first = outline->contours[ outline->n_contours-1 ];
|
||||
|
||||
/* if the last point falls on the same location than the first one */
|
||||
/* we need to delete it */
|
||||
if ( last > first )
|
||||
{
|
||||
FT_Vector* p1 = outline->points + first;
|
||||
FT_Vector* p2 = outline->points + last;
|
||||
|
||||
if ( p1->x == p2->x && p1->y == p2->y )
|
||||
{
|
||||
outline->n_points--;
|
||||
last--;
|
||||
}
|
||||
}
|
||||
|
||||
/* don't add empty contours */
|
||||
if ( last >= first )
|
||||
outline->contours[ outline->n_contours++ ] = (short) last;
|
||||
|
||||
glyph->path_begun = 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* reset glyph to start the loading of a new glyph */
|
||||
static void
|
||||
pfr_glyph_start( PFR_Glyph glyph )
|
||||
{
|
||||
glyph->path_begun = 0;
|
||||
}
|
||||
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_line_to( PFR_Glyph glyph,
|
||||
FT_Vector* to )
|
||||
{
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Outline* outline = &loader->current.outline;
|
||||
FT_Error error;
|
||||
|
||||
/* check that we've begun a new path */
|
||||
FT_ASSERT( glyph->path_begun != 0 );
|
||||
|
||||
error = FT_GlyphLoader_CheckPoints( loader, 1, 0 );
|
||||
if ( !error )
|
||||
{
|
||||
FT_UInt n = outline->n_points;
|
||||
|
||||
outline->points[n] = *to;
|
||||
outline->tags [n] = FT_Curve_Tag_On;
|
||||
|
||||
outline->n_points++;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_curve_to( PFR_Glyph glyph,
|
||||
FT_Vector* control1,
|
||||
FT_Vector* control2,
|
||||
FT_Vector* to )
|
||||
{
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Outline* outline = &loader->current.outline;
|
||||
FT_Error error;
|
||||
|
||||
/* check that we've begun a new path */
|
||||
FT_ASSERT( glyph->path_begun != 0 );
|
||||
|
||||
error = FT_GlyphLoader_CheckPoints( loader, 3, 0 );
|
||||
if ( !error )
|
||||
{
|
||||
FT_Vector* vec = outline->points + outline->n_points;
|
||||
FT_Byte* tag = (FT_Byte*)outline->tags + outline->n_points;
|
||||
|
||||
vec[0] = *control1;
|
||||
vec[1] = *control2;
|
||||
vec[2] = *to;
|
||||
tag[0] = FT_Curve_Tag_Cubic;
|
||||
tag[1] = FT_Curve_Tag_Cubic;
|
||||
tag[2] = FT_Curve_Tag_On;
|
||||
|
||||
outline->n_points = (FT_Short)( outline->n_points + 3 );
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_move_to( PFR_Glyph glyph,
|
||||
FT_Vector* to )
|
||||
{
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Error error;
|
||||
|
||||
/* close current contour if any */
|
||||
pfr_glyph_close_contour( glyph );
|
||||
|
||||
/* indicate that a new contour has started */
|
||||
glyph->path_begun = 1;
|
||||
|
||||
/* check that there is room for a new contour and a new point */
|
||||
error = FT_GlyphLoader_CheckPoints( loader, 1, 1 );
|
||||
if ( !error )
|
||||
/* add new start point */
|
||||
error = pfr_glyph_line_to( glyph, to );
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static void
|
||||
pfr_glyph_end( PFR_Glyph glyph )
|
||||
{
|
||||
/* close current contour if any */
|
||||
pfr_glyph_close_contour( glyph );
|
||||
|
||||
/* merge the current glyph into the stack */
|
||||
FT_GlyphLoader_Add( glyph->loader );
|
||||
}
|
||||
|
||||
|
||||
/**************************************************************************/
|
||||
/**************************************************************************/
|
||||
/***** *****/
|
||||
/***** PFR GLYPH LOADER *****/
|
||||
/***** *****/
|
||||
/**************************************************************************/
|
||||
/**************************************************************************/
|
||||
|
||||
/* Load a simple glyph */
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_load_simple( PFR_Glyph glyph,
|
||||
FT_Byte* p,
|
||||
FT_Byte* limit )
|
||||
{
|
||||
FT_Error error = 0;
|
||||
FT_Memory memory = glyph->loader->memory;
|
||||
FT_UInt flags, x_count, y_count, i, count, mask;
|
||||
FT_Int x;
|
||||
|
||||
PFR_CHECK(1);
|
||||
flags = PFR_NEXT_BYTE(p);
|
||||
|
||||
/* test for composite glyphs */
|
||||
FT_ASSERT( (flags & PFR_GLYPH_IS_COMPOUND) == 0 );
|
||||
|
||||
x_count = 0;
|
||||
y_count = 0;
|
||||
|
||||
if ( flags & PFR_GLYPH_1BYTE_XYCOUNT )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
count = PFR_NEXT_BYTE(p);
|
||||
x_count = (count & 15);
|
||||
y_count = (count >> 4);
|
||||
}
|
||||
else
|
||||
{
|
||||
if ( flags & PFR_GLYPH_XCOUNT )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
x_count = PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
if ( flags & PFR_GLYPH_YCOUNT )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
y_count = PFR_NEXT_BYTE(p);
|
||||
}
|
||||
}
|
||||
|
||||
count = x_count + y_count;
|
||||
|
||||
/* re-allocate array when necessary */
|
||||
if ( count > glyph->max_xy_control )
|
||||
{
|
||||
FT_UInt new_max = (count+7) & -8;
|
||||
|
||||
if ( FT_RENEW_ARRAY( glyph->x_control, glyph->max_xy_control, new_max ) )
|
||||
goto Exit;
|
||||
|
||||
glyph->max_xy_control = new_max;
|
||||
}
|
||||
|
||||
glyph->y_control = glyph->x_control + x_count;
|
||||
|
||||
mask = 0;
|
||||
x = 0;
|
||||
for ( i = 0; i < count; i++ )
|
||||
{
|
||||
if ( (i & 7) == 0 )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
mask = PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
if ( mask & 1 )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
x = PFR_NEXT_SHORT(p);
|
||||
}
|
||||
else
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
x += PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
glyph->x_control[i] = x;
|
||||
|
||||
mask >>= 1;
|
||||
}
|
||||
|
||||
/* XXXX: for now we ignore the secondary stroke and edge definitions */
|
||||
/* since we don't want to support native PFR hinting.. */
|
||||
/* */
|
||||
if ( flags & PFR_GLYPH_EXTRA_ITEMS )
|
||||
{
|
||||
error = pfr_extra_items_skip( &p, limit );
|
||||
if (error) goto Exit;
|
||||
}
|
||||
|
||||
|
||||
pfr_glyph_start( glyph );
|
||||
|
||||
/* now load a simple glyph */
|
||||
{
|
||||
FT_Vector pos[4];
|
||||
FT_Vector* cur;
|
||||
|
||||
pos[0].x = pos[0].y = 0;
|
||||
pos[3] = pos[0];
|
||||
|
||||
for (;;)
|
||||
{
|
||||
FT_Int format, args_format = 0, args_count, n;
|
||||
|
||||
/***************************************************************/
|
||||
/* read instruction */
|
||||
/* */
|
||||
PFR_CHECK(1);
|
||||
format = PFR_NEXT_BYTE(p);
|
||||
switch (format >> 4)
|
||||
{
|
||||
case 0: /* end glyph */
|
||||
FT_TRACE6(( "- end glyph" ));
|
||||
args_count = 0;
|
||||
break;
|
||||
|
||||
case 1: /* general line operation */
|
||||
FT_TRACE6(( "- general line" ));
|
||||
goto Line1;
|
||||
|
||||
case 4: /* move to inside contour */
|
||||
FT_TRACE6(( "- move to inside" ));
|
||||
goto Line1;
|
||||
|
||||
case 5: /* move to outside contour */
|
||||
FT_TRACE6(( "- move to outside" ));
|
||||
Line1:
|
||||
args_format = format & 15;
|
||||
args_count = 1;
|
||||
break;
|
||||
|
||||
case 2: /* horizontal line to */
|
||||
FT_TRACE6(( "- horizontal line to cx.%d", format & 15 ));
|
||||
pos[0].y = pos[3].y;
|
||||
pos[0].x = glyph->x_control[ format & 15 ];
|
||||
pos[3] = pos[0];
|
||||
args_count = 0;
|
||||
break;
|
||||
|
||||
case 3: /* vertical line to */
|
||||
FT_TRACE6(( "- vertical line to cy.%d", format & 15 ));
|
||||
pos[0].x = pos[3].x;
|
||||
pos[0].y = glyph->y_control[ format & 15 ];
|
||||
pos[3] = pos[0];
|
||||
args_count = 0;
|
||||
break;
|
||||
|
||||
case 6: /* horizontal to vertical curve */
|
||||
FT_TRACE6(( "- hv curve " ));
|
||||
args_format = 0xB8E;
|
||||
args_count = 3;
|
||||
break;
|
||||
|
||||
case 7: /* vertical to horizontal curve */
|
||||
FT_TRACE6(( "- vh curve" ));
|
||||
args_format = 0xE2B;
|
||||
args_count = 3;
|
||||
break;
|
||||
|
||||
default: /* general curve to */
|
||||
FT_TRACE6(( "- general curve" ));
|
||||
args_count = 4;
|
||||
args_format = (format & 15);
|
||||
}
|
||||
|
||||
/***********************************************************/
|
||||
/* now read arguments */
|
||||
/* */
|
||||
cur = pos;
|
||||
for ( n = 0; n < args_count; n++ )
|
||||
{
|
||||
FT_Int index, delta;
|
||||
|
||||
/* read the X argument */
|
||||
switch ( args_format & 3 )
|
||||
{
|
||||
case 0: /* 8-bit index */
|
||||
PFR_CHECK(1);
|
||||
index = PFR_NEXT_BYTE(p);
|
||||
cur->x = glyph->x_control[index];
|
||||
FT_TRACE7(( " cx#%d", index ));
|
||||
break;
|
||||
|
||||
case 1: /* 16-bit value */
|
||||
PFR_CHECK(2);
|
||||
cur->x = PFR_NEXT_SHORT(p);
|
||||
FT_TRACE7(( " x.%d", cur->x ));
|
||||
break;
|
||||
|
||||
case 2: /* 8-bit delta */
|
||||
PFR_CHECK(1);
|
||||
delta = PFR_NEXT_INT8(p);
|
||||
cur->x = pos[3].x + delta;
|
||||
FT_TRACE7(( " dx.%d", delta ));
|
||||
break;
|
||||
|
||||
default:
|
||||
FT_TRACE7(( " |" ));
|
||||
cur->x = pos[3].x;
|
||||
}
|
||||
|
||||
/* read the Y argument */
|
||||
switch ( (args_format >> 2) & 3 )
|
||||
{
|
||||
case 0: /* 8-bit index */
|
||||
PFR_CHECK(1);
|
||||
index = PFR_NEXT_BYTE(p);
|
||||
cur->y = glyph->y_control[index];
|
||||
FT_TRACE7(( " cy#%d", index ));
|
||||
break;
|
||||
|
||||
case 1: /* 16-bit absolute value */
|
||||
PFR_CHECK(2);
|
||||
cur->y = PFR_NEXT_SHORT(p);
|
||||
FT_TRACE7(( " y.%d", cur->y ));
|
||||
break;
|
||||
|
||||
case 2: /* 8-bit delta */
|
||||
PFR_CHECK(1);
|
||||
delta = PFR_NEXT_INT8(p);
|
||||
cur->y = pos[3].y + delta;
|
||||
FT_TRACE7(( " dy.%d", delta ));
|
||||
break;
|
||||
|
||||
default:
|
||||
FT_TRACE7(( " -" ));
|
||||
cur->y = pos[3].y;
|
||||
}
|
||||
|
||||
/* read the additional format flag for the general curve */
|
||||
if ( n == 0 && args_count == 4 )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
args_format = PFR_NEXT_BYTE(p);
|
||||
args_count--;
|
||||
}
|
||||
else
|
||||
args_format >>= 4;
|
||||
|
||||
/* save the previous point */
|
||||
pos[3] = cur[0];
|
||||
cur++;
|
||||
}
|
||||
|
||||
FT_TRACE7(( "\n" ));
|
||||
|
||||
/***********************************************************/
|
||||
/* finally, execute instruction */
|
||||
/* */
|
||||
switch (format >> 4)
|
||||
{
|
||||
case 0: /* end glyph => EXIT */
|
||||
pfr_glyph_end( glyph );
|
||||
goto Exit;
|
||||
|
||||
case 1: /* line operations */
|
||||
case 2:
|
||||
case 3:
|
||||
error = pfr_glyph_line_to( glyph, pos );
|
||||
goto Test_Error;
|
||||
|
||||
case 4: /* move to inside contour */
|
||||
case 5: /* move to outside contour */
|
||||
error = pfr_glyph_move_to( glyph, pos );
|
||||
goto Test_Error;
|
||||
|
||||
default: /* curve operations */
|
||||
error = pfr_glyph_curve_to( glyph, pos, pos+1, pos+2 );
|
||||
|
||||
Test_Error: /* test error condition */
|
||||
if (error)
|
||||
goto Exit;
|
||||
}
|
||||
} /* for (;;) */
|
||||
}
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
error = FT_Err_Invalid_Table;
|
||||
FT_ERROR(( "pfr_glyph_load: invalid glyph data\n" ));
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/* load a composite/compound glyph */
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_load_compound( PFR_Glyph glyph,
|
||||
FT_Byte* p,
|
||||
FT_Byte* limit )
|
||||
{
|
||||
FT_Error error = 0;
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Memory memory = loader->memory;
|
||||
PFR_SubGlyph subglyph;
|
||||
FT_UInt flags, i, count, org_count;
|
||||
FT_Int x_pos, y_pos;
|
||||
|
||||
PFR_CHECK(1);
|
||||
flags = PFR_NEXT_BYTE(p);
|
||||
|
||||
/* test for composite glyphs */
|
||||
FT_ASSERT( (flags & PFR_GLYPH_IS_COMPOUND) != 0 );
|
||||
|
||||
count = flags & 0x3F;
|
||||
|
||||
/* ignore extra items when present */
|
||||
/* */
|
||||
if ( flags & PFR_GLYPH_EXTRA_ITEMS )
|
||||
{
|
||||
error = pfr_extra_items_skip( &p, limit );
|
||||
if (error) goto Exit;
|
||||
}
|
||||
|
||||
/* we can't rely on the FT_GlyphLoader to load sub-glyphs, because */
|
||||
/* the PFR format is so damn stupid that it uses direct file offsets */
|
||||
/* to point to the sub-glyphs (instead of glyph indices).. */
|
||||
/* */
|
||||
/* for now, we'll load the list of sub-glyphs in a different array */
|
||||
/* but this will prevent us from using the auto-hinter at its best */
|
||||
/* quality.. */
|
||||
/* */
|
||||
org_count = glyph->num_subs;
|
||||
|
||||
if ( org_count + count > glyph->max_subs )
|
||||
{
|
||||
FT_UInt new_max = ( org_count + count + 3 ) & -4;
|
||||
|
||||
if ( FT_RENEW_ARRAY( glyph->subs, glyph->max_subs, new_max ) )
|
||||
goto Exit;
|
||||
|
||||
glyph->max_subs = new_max;
|
||||
}
|
||||
|
||||
subglyph = glyph->subs + org_count;
|
||||
x_pos = 0;
|
||||
y_pos = 0;
|
||||
|
||||
for ( i = 0; i < count; i++, subglyph++ )
|
||||
{
|
||||
FT_UInt format;
|
||||
|
||||
PFR_CHECK(1);
|
||||
format = PFR_NEXT_BYTE(p);
|
||||
|
||||
/* read scale when available */
|
||||
subglyph->x_scale = 0x10000L;
|
||||
if ( format & PFR_SUBGLYPH_XSCALE )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
subglyph->x_scale = PFR_NEXT_SHORT(p) << 4;
|
||||
}
|
||||
|
||||
subglyph->y_scale = 0x10000L;
|
||||
if ( format & PFR_SUBGLYPH_YSCALE )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
subglyph->y_scale = PFR_NEXT_SHORT(p) << 4;
|
||||
}
|
||||
|
||||
/* read offset */
|
||||
switch ( format & 3 )
|
||||
{
|
||||
case 1:
|
||||
PFR_CHECK(2);
|
||||
x_pos = PFR_NEXT_SHORT(p);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
PFR_CHECK(1);
|
||||
x_pos += PFR_NEXT_INT8(p);
|
||||
break;
|
||||
|
||||
default:
|
||||
;
|
||||
}
|
||||
|
||||
switch ( (format >> 2) & 3 )
|
||||
{
|
||||
case 1:
|
||||
PFR_CHECK(2);
|
||||
y_pos = PFR_NEXT_SHORT(p);
|
||||
break;
|
||||
|
||||
case 2:
|
||||
PFR_CHECK(1);
|
||||
y_pos += PFR_NEXT_INT8(p);
|
||||
break;
|
||||
|
||||
default:
|
||||
;
|
||||
}
|
||||
|
||||
subglyph->x_delta = x_pos;
|
||||
subglyph->y_delta = y_pos;
|
||||
|
||||
/* read glyph position and size now */
|
||||
if ( format & PFR_SUBGLYPH_2BYTE_SIZE )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
subglyph->gps_size = PFR_NEXT_USHORT(p);
|
||||
}
|
||||
else
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
subglyph->gps_size = PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
if ( format & PFR_SUBGLYPH_3BYTE_OFFSET )
|
||||
{
|
||||
PFR_CHECK(3);
|
||||
subglyph->gps_offset = PFR_NEXT_LONG(p);
|
||||
}
|
||||
else
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
subglyph->gps_offset = PFR_NEXT_USHORT(p);
|
||||
}
|
||||
|
||||
glyph->num_subs++;
|
||||
}
|
||||
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
error = FT_Err_Invalid_Table;
|
||||
FT_ERROR(( "pfr_glyph_load: invalid glyph data\n" ));
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
|
||||
|
||||
static FT_Error
|
||||
pfr_glyph_load_rec( PFR_Glyph glyph,
|
||||
FT_Stream stream,
|
||||
FT_ULong gps_offset,
|
||||
FT_ULong offset,
|
||||
FT_ULong size )
|
||||
{
|
||||
FT_Error error;
|
||||
FT_Byte* p;
|
||||
FT_Byte* limit;
|
||||
|
||||
if ( FT_STREAM_SEEK( gps_offset + offset ) ||
|
||||
FT_FRAME_ENTER( size ) )
|
||||
goto Exit;
|
||||
|
||||
p = (FT_Byte*) stream->cursor;
|
||||
limit = p + size;
|
||||
|
||||
if ( size > 0 && *p & PFR_GLYPH_IS_COMPOUND )
|
||||
{
|
||||
FT_Int n, old_count, count;
|
||||
FT_GlyphLoader loader = glyph->loader;
|
||||
FT_Outline* base = &loader->base.outline;
|
||||
|
||||
|
||||
old_count = glyph->num_subs;
|
||||
|
||||
/* this is a compound glyph - load it */
|
||||
error = pfr_glyph_load_compound( glyph, p, limit );
|
||||
|
||||
FT_FRAME_EXIT();
|
||||
|
||||
if ( error ) goto Exit;
|
||||
|
||||
count = glyph->num_subs - old_count;
|
||||
|
||||
/* now, load each individual glyph */
|
||||
for ( n = 0; n < count; n++ )
|
||||
{
|
||||
FT_Int i, old_points, num_points;
|
||||
PFR_SubGlyph subglyph;
|
||||
|
||||
|
||||
subglyph = glyph->subs + old_count + n;
|
||||
old_points = base->n_points;
|
||||
|
||||
error = pfr_glyph_load_rec( glyph, stream, gps_offset,
|
||||
subglyph->gps_offset, subglyph->gps_size );
|
||||
if ( error )
|
||||
goto Exit;
|
||||
|
||||
/* note that the 'glyph->subs' might have been re-allocated */
|
||||
subglyph = glyph->subs + old_count + n;
|
||||
num_points = base->n_points - old_points;
|
||||
|
||||
/* translate and eventually scale the new glyph points */
|
||||
if ( subglyph->x_scale != 0x10000L || subglyph->y_scale != 0x10000L )
|
||||
{
|
||||
FT_Vector* vec = base->points + old_points;
|
||||
|
||||
|
||||
for ( i = 0; i < num_points; i++, vec++ )
|
||||
{
|
||||
vec->x = FT_MulFix( vec->x, subglyph->x_scale ) + subglyph->x_delta;
|
||||
vec->y = FT_MulFix( vec->y, subglyph->y_scale ) + subglyph->y_delta;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
FT_Vector* vec = loader->base.outline.points + old_points;
|
||||
|
||||
|
||||
for ( i = 0; i < num_points; i++, vec++ )
|
||||
{
|
||||
vec->x += subglyph->x_delta;
|
||||
vec->y += subglyph->y_delta;
|
||||
}
|
||||
}
|
||||
|
||||
/* proceed to next sub-glyph */
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
/* load a simple glyph */
|
||||
error = pfr_glyph_load_simple( glyph, p, limit );
|
||||
|
||||
FT_FRAME_EXIT();
|
||||
}
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_glyph_load( PFR_Glyph glyph,
|
||||
FT_Stream stream,
|
||||
FT_ULong gps_offset,
|
||||
FT_ULong offset,
|
||||
FT_ULong size )
|
||||
{
|
||||
/* initialize glyph loader */
|
||||
FT_GlyphLoader_Rewind( glyph->loader );
|
||||
|
||||
/* load the glyph, recursively when needed */
|
||||
return pfr_glyph_load_rec( glyph, stream, gps_offset, offset, size );
|
||||
}
|
||||
|
|
@ -0,0 +1,27 @@
|
|||
#ifndef __PFR_GLYPH_LOAD_H__
|
||||
#define __PFR_GLYPH_LOAD_H__
|
||||
|
||||
#include "pfrtypes.h"
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
FT_LOCAL( void )
|
||||
pfr_glyph_init( PFR_Glyph glyph,
|
||||
FT_GlyphLoader loader );
|
||||
|
||||
FT_LOCAL( void )
|
||||
pfr_glyph_done( PFR_Glyph glyph );
|
||||
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_glyph_load( PFR_Glyph glyph,
|
||||
FT_Stream stream,
|
||||
FT_ULong gps_offset,
|
||||
FT_ULong offset,
|
||||
FT_ULong size );
|
||||
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
|
||||
#endif /* __PFR_GLYPH_LOAD_H__ */
|
|
@ -0,0 +1,657 @@
|
|||
#include "pfrload.h"
|
||||
#include FT_INTERNAL_DEBUG_H
|
||||
#include FT_INTERNAL_STREAM_H
|
||||
|
||||
#undef FT_COMPONENT
|
||||
#define FT_COMPONENT trace_pfr
|
||||
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
/***** *****/
|
||||
/***** EXTRA ITEMS *****/
|
||||
/***** *****/
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_extra_items_skip( FT_Byte* *pp, FT_Byte* limit )
|
||||
{
|
||||
return pfr_extra_items_parse( pp, limit, NULL, NULL );
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_extra_items_parse( FT_Byte* *pp,
|
||||
FT_Byte* limit,
|
||||
PFR_ExtraItem item_list,
|
||||
FT_Pointer item_data )
|
||||
{
|
||||
FT_Error error = 0;
|
||||
FT_Byte* p = *pp;
|
||||
FT_UInt num_items, item_type, item_size;
|
||||
|
||||
PFR_CHECK(1);
|
||||
num_items = PFR_NEXT_BYTE(p);
|
||||
for ( ; num_items > 0; num_items-- )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
item_size = PFR_NEXT_BYTE(p);
|
||||
item_type = PFR_NEXT_BYTE(p);
|
||||
|
||||
PFR_CHECK(item_size);
|
||||
|
||||
if ( item_list )
|
||||
{
|
||||
PFR_ExtraItem extra = item_list;
|
||||
|
||||
for ( extra = item_list; extra->parser != NULL; extra++ )
|
||||
{
|
||||
if ( extra->type == item_type )
|
||||
{
|
||||
error = extra->parser( p, p + item_size, item_data );
|
||||
if ( error ) goto Exit;
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
p += item_size;
|
||||
}
|
||||
|
||||
Exit:
|
||||
*pp = p;
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
FT_ERROR(( "pfr.extra_items.skip: invalid extra items table\n" ));
|
||||
error = FT_Err_Invalid_Table;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
|
||||
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
/***** *****/
|
||||
/***** PFR HEADER *****/
|
||||
/***** *****/
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
|
||||
static const FT_Frame_Field pfr_header_fields[] =
|
||||
{
|
||||
#undef FT_STRUCTURE
|
||||
#define FT_STRUCTURE PFR_HeaderRec
|
||||
|
||||
FT_FRAME_START(58),
|
||||
FT_FRAME_ULONG (signature),
|
||||
FT_FRAME_USHORT(version),
|
||||
FT_FRAME_USHORT(signature2),
|
||||
FT_FRAME_USHORT(header_size),
|
||||
|
||||
FT_FRAME_USHORT(log_dir_size),
|
||||
FT_FRAME_USHORT(log_dir_offset),
|
||||
|
||||
FT_FRAME_USHORT(log_font_max_size),
|
||||
FT_FRAME_UOFF3 (log_font_section_size),
|
||||
FT_FRAME_UOFF3 (log_font_section_offset),
|
||||
|
||||
FT_FRAME_USHORT(phy_font_max_size),
|
||||
FT_FRAME_UOFF3 (phy_font_section_size),
|
||||
FT_FRAME_UOFF3 (phy_font_section_offset),
|
||||
|
||||
FT_FRAME_USHORT(gps_max_size),
|
||||
FT_FRAME_UOFF3 (gps_section_size),
|
||||
FT_FRAME_UOFF3 (gps_section_offset),
|
||||
|
||||
FT_FRAME_BYTE (max_blue_values),
|
||||
FT_FRAME_BYTE (max_x_orus),
|
||||
FT_FRAME_BYTE (max_y_orus),
|
||||
|
||||
FT_FRAME_BYTE (phy_font_max_size_high),
|
||||
FT_FRAME_BYTE (color_flags),
|
||||
|
||||
FT_FRAME_UOFF3 (bct_max_size),
|
||||
FT_FRAME_UOFF3 (bct_set_max_size),
|
||||
FT_FRAME_UOFF3 (phy_bct_set_max_size),
|
||||
|
||||
FT_FRAME_USHORT(num_phy_fonts),
|
||||
FT_FRAME_BYTE (max_vert_stem_snap),
|
||||
FT_FRAME_BYTE (max_horz_stem_snap),
|
||||
FT_FRAME_USHORT(max_chars),
|
||||
FT_FRAME_END
|
||||
};
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_header_load( PFR_Header header,
|
||||
FT_Stream stream )
|
||||
{
|
||||
FT_Error error;
|
||||
|
||||
/* read header directly */
|
||||
if ( !FT_STREAM_SEEK( 0 ) &&
|
||||
!FT_STREAM_READ_FIELDS( pfr_header_fields, header ) )
|
||||
{
|
||||
/* make a few adjustments to the header */
|
||||
header->phy_font_max_size +=
|
||||
(FT_UInt32)header->phy_font_max_size_high << 16;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Bool )
|
||||
pfr_header_check( PFR_Header header )
|
||||
{
|
||||
FT_Bool result = 1;
|
||||
|
||||
/* check signature and header size */
|
||||
if ( header->signature != 0x50465230 || /* "PFR0" */
|
||||
header->version > 4 ||
|
||||
header->header_size < 58 ||
|
||||
header->signature2 != 0x0d0a ) /* CR/LF */
|
||||
{
|
||||
result = 0;
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
/***** *****/
|
||||
/***** PFR LOGICAL FONTS *****/
|
||||
/***** *****/
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_log_font_count( FT_Stream stream,
|
||||
FT_UInt32 section_offset,
|
||||
FT_UInt *acount )
|
||||
{
|
||||
FT_Error error;
|
||||
FT_UInt count;
|
||||
FT_UInt result = 0;
|
||||
|
||||
if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT(count) )
|
||||
goto Exit;
|
||||
|
||||
result = count;
|
||||
|
||||
Exit:
|
||||
*acount = result;
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_log_font_load( PFR_LogFont log_font,
|
||||
FT_Stream stream,
|
||||
FT_UInt index,
|
||||
FT_UInt32 section_offset,
|
||||
FT_Bool size_increment )
|
||||
{
|
||||
FT_UInt num_log_fonts;
|
||||
FT_UInt flags;
|
||||
FT_UInt32 offset;
|
||||
FT_UInt32 size;
|
||||
FT_Error error;
|
||||
|
||||
if ( FT_STREAM_SEEK( section_offset ) || FT_READ_USHORT(num_log_fonts) )
|
||||
goto Exit;
|
||||
|
||||
if ( index >= num_log_fonts )
|
||||
return FT_Err_Invalid_Argument;
|
||||
|
||||
if ( FT_STREAM_SKIP( index*5 ) ||
|
||||
FT_READ_USHORT(size) ||
|
||||
FT_READ_UOFF3 (offset) )
|
||||
goto Exit;
|
||||
|
||||
/* save logical font size and offset */
|
||||
log_font->size = size;
|
||||
log_font->offset = offset;
|
||||
|
||||
/* now, check the rest of the table before loading it */
|
||||
{
|
||||
FT_Byte* p;
|
||||
FT_Byte* limit;
|
||||
FT_UInt local;
|
||||
|
||||
if ( FT_STREAM_SEEK( offset ) || FT_FRAME_ENTER( size ) )
|
||||
goto Exit;
|
||||
|
||||
p = stream->cursor;
|
||||
limit = p + size;
|
||||
|
||||
PFR_CHECK(13);
|
||||
|
||||
log_font->matrix[0] = PFR_NEXT_LONG(p);
|
||||
log_font->matrix[1] = PFR_NEXT_LONG(p);
|
||||
log_font->matrix[2] = PFR_NEXT_LONG(p);
|
||||
log_font->matrix[3] = PFR_NEXT_LONG(p);
|
||||
|
||||
flags = PFR_NEXT_BYTE(p);
|
||||
|
||||
local = 0;
|
||||
if ( flags & PFR_LOG_STROKE )
|
||||
{
|
||||
local++;
|
||||
if ( flags & PFR_LOG_2BYTE_STROKE )
|
||||
local++;
|
||||
|
||||
if ( (flags & PFR_LINE_JOIN_MASK) == PFR_LINE_JOIN_MITER )
|
||||
local += 3;
|
||||
}
|
||||
if ( flags & PFR_LOG_BOLD )
|
||||
{
|
||||
local++;
|
||||
if ( flags & PFR_LOG_2BYTE_BOLD )
|
||||
local++;
|
||||
}
|
||||
|
||||
PFR_CHECK(local);
|
||||
|
||||
if ( flags & PFR_LOG_STROKE )
|
||||
{
|
||||
log_font->stroke_thickness = ( flags & PFR_LOG_2BYTE_STROKE )
|
||||
? PFR_NEXT_SHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
|
||||
if ( (flags & PFR_LINE_JOIN_MASK) == PFR_LINE_JOIN_MITER )
|
||||
log_font->miter_limit = PFR_NEXT_LONG(p);
|
||||
}
|
||||
|
||||
if ( flags & PFR_LOG_BOLD )
|
||||
{
|
||||
log_font->bold_thickness = ( flags & PFR_LOG_2BYTE_BOLD )
|
||||
? PFR_NEXT_SHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
if ( flags & PFR_LOG_EXTRA_ITEMS )
|
||||
{
|
||||
error = pfr_extra_items_skip( &p, limit );
|
||||
if (error) goto Fail;
|
||||
}
|
||||
|
||||
PFR_CHECK(5);
|
||||
log_font->phys_size = PFR_NEXT_USHORT(p);
|
||||
log_font->phys_offset = PFR_NEXT_ULONG(p);
|
||||
if ( size_increment )
|
||||
{
|
||||
PFR_CHECK(1);
|
||||
log_font->phys_size += (FT_UInt32)PFR_NEXT_BYTE(p) << 16;
|
||||
}
|
||||
}
|
||||
|
||||
Fail:
|
||||
FT_FRAME_EXIT();
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
FT_ERROR(( "pfr_log_font_load: invalid logical font table\n" ));
|
||||
error = FT_Err_Invalid_Table;
|
||||
goto Fail;
|
||||
}
|
||||
|
||||
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
/***** *****/
|
||||
/***** PFR PHYSICAL FONTS *****/
|
||||
/***** *****/
|
||||
/***********************************************************************/
|
||||
/***********************************************************************/
|
||||
|
||||
|
||||
/* load bitmap strikes lists */
|
||||
FT_CALLBACK_DEF( FT_Error )
|
||||
pfr_extra_item_load_bitmap_info( FT_Byte* p,
|
||||
FT_Byte* limit,
|
||||
PFR_PhyFont phy_font )
|
||||
{
|
||||
FT_Memory memory = phy_font->memory;
|
||||
PFR_Strike strike;
|
||||
FT_UInt flags0;
|
||||
FT_UInt n, count, size1;
|
||||
FT_Error error = 0;
|
||||
|
||||
PFR_CHECK(5);
|
||||
|
||||
p += 3; /* skip bctSize */
|
||||
flags0 = PFR_NEXT_BYTE(p);
|
||||
count = PFR_NEXT_BYTE(p);
|
||||
|
||||
/* re-allocate when needed */
|
||||
if ( phy_font->num_strikes + count > phy_font->max_strikes )
|
||||
{
|
||||
FT_UInt new_max = (phy_font->num_strikes + count + 3) & -4;
|
||||
|
||||
if ( FT_RENEW_ARRAY( phy_font->strikes, phy_font->num_strikes, new_max ) )
|
||||
goto Exit;
|
||||
|
||||
phy_font->max_strikes = new_max;
|
||||
}
|
||||
|
||||
size1 = 1 + 1 + 1 + 2 + 2 + 1;
|
||||
if ( flags0 & PFR_STRIKE_2BYTE_XPPM )
|
||||
size1++;
|
||||
|
||||
if ( flags0 & PFR_STRIKE_2BYTE_YPPM )
|
||||
size1++;
|
||||
|
||||
if ( flags0 & PFR_STRIKE_3BYTE_SIZE )
|
||||
size1++;
|
||||
|
||||
if ( flags0 & PFR_STRIKE_3BYTE_OFFSET )
|
||||
size1++;
|
||||
|
||||
if ( flags0 & PFR_STRIKE_2BYTE_COUNT )
|
||||
size1++;
|
||||
|
||||
strike = phy_font->strikes + phy_font->num_strikes;
|
||||
|
||||
PFR_CHECK( count*size1 );
|
||||
|
||||
for ( n = 0; n < count; n++, strike++ )
|
||||
{
|
||||
strike->x_ppm = ( flags0 & PFR_STRIKE_2BYTE_XPPM )
|
||||
? PFR_NEXT_USHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
|
||||
strike->y_ppm = ( flags0 & PFR_STRIKE_2BYTE_YPPM )
|
||||
? PFR_NEXT_USHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
|
||||
strike->flags = PFR_NEXT_BYTE(p);
|
||||
|
||||
strike->bct_size = ( flags0 & PFR_STRIKE_3BYTE_SIZE )
|
||||
? PFR_NEXT_ULONG(p)
|
||||
: PFR_NEXT_USHORT(p);
|
||||
|
||||
strike->bct_offset = ( flags0 & PFR_STRIKE_3BYTE_OFFSET )
|
||||
? PFR_NEXT_ULONG(p)
|
||||
: PFR_NEXT_USHORT(p);
|
||||
|
||||
strike->num_bitmaps = ( flags0 & PFR_STRIKE_2BYTE_COUNT )
|
||||
? PFR_NEXT_USHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
}
|
||||
|
||||
phy_font->num_strikes += count;
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
error = FT_Err_Invalid_Table;
|
||||
FT_ERROR(( "pfr.extra_item_load: invalid bitmap info table\n" ));
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
|
||||
/* load font ID, i.e. name */
|
||||
FT_CALLBACK_DEF( FT_Error )
|
||||
pfr_extra_item_load_font_id( FT_Byte* p,
|
||||
FT_Byte* limit,
|
||||
PFR_PhyFont phy_font )
|
||||
{
|
||||
FT_Error error = 0;
|
||||
FT_Memory memory = phy_font->memory;
|
||||
FT_UInt len = (FT_UInt)( limit - p );
|
||||
|
||||
if ( phy_font->font_id != NULL )
|
||||
goto Exit;
|
||||
|
||||
if ( FT_ALLOC( phy_font->font_id, len+1 ) )
|
||||
goto Exit;
|
||||
|
||||
/* copy font ID name, and terminate it for safety */
|
||||
FT_MEM_COPY( phy_font->font_id, p, len );
|
||||
phy_font->font_id[len] = 0;
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
/* load stem snap tables */
|
||||
FT_CALLBACK_DEF( FT_Error )
|
||||
pfr_extra_item_load_stem_snaps( FT_Byte* p,
|
||||
FT_Byte* limit,
|
||||
PFR_PhyFont phy_font )
|
||||
{
|
||||
FT_UInt count, num_vert, num_horz;
|
||||
FT_Int* snaps;
|
||||
FT_Error error = 0;
|
||||
FT_Memory memory = phy_font->memory;
|
||||
|
||||
if ( phy_font->vertical.stem_snaps != NULL )
|
||||
goto Exit;
|
||||
|
||||
PFR_CHECK(1);
|
||||
count = PFR_NEXT_BYTE(p);
|
||||
|
||||
num_vert = count & 15;
|
||||
num_horz = count >> 4;
|
||||
count = num_vert + num_horz;
|
||||
|
||||
PFR_CHECK( count*2 );
|
||||
|
||||
if ( FT_NEW_ARRAY( snaps, count ) )
|
||||
goto Exit;
|
||||
|
||||
phy_font->vertical.stem_snaps = snaps;
|
||||
phy_font->horizontal.stem_snaps = snaps + num_vert;
|
||||
|
||||
for ( ; count > 0; count--, snaps++ )
|
||||
*snaps = FT_NEXT_SHORT(p);
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
error = FT_Err_Invalid_Table;
|
||||
FT_ERROR(( "pfr.exta_item_load: invalid stem snaps table\n" ));
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
|
||||
static const PFR_ExtraItemRec pfr_phy_font_extra_items[] =
|
||||
{
|
||||
{ 1, (PFR_ExtraItem_ParseFunc) pfr_extra_item_load_bitmap_info },
|
||||
{ 2, (PFR_ExtraItem_ParseFunc) pfr_extra_item_load_font_id },
|
||||
{ 3, (PFR_ExtraItem_ParseFunc) pfr_extra_item_load_stem_snaps },
|
||||
{ 0, NULL }
|
||||
};
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
FT_LOCAL_DEF( void )
|
||||
pfr_phy_font_done( PFR_PhyFont phy_font,
|
||||
FT_Memory memory )
|
||||
{
|
||||
if ( phy_font->font_id )
|
||||
FT_FREE( phy_font->font_id );
|
||||
|
||||
FT_FREE( phy_font->vertical.stem_snaps );
|
||||
phy_font->vertical.num_stem_snaps = 0;
|
||||
|
||||
phy_font->horizontal.stem_snaps = NULL;
|
||||
phy_font->horizontal.num_stem_snaps = 0;
|
||||
|
||||
FT_FREE( phy_font->strikes );
|
||||
phy_font->num_strikes = 0;
|
||||
phy_font->max_strikes = 0;
|
||||
|
||||
FT_FREE( phy_font->chars );
|
||||
phy_font->num_chars = 0;
|
||||
phy_font->chars_offset = 0;
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_phy_font_load( PFR_PhyFont phy_font,
|
||||
FT_Stream stream,
|
||||
FT_UInt32 offset,
|
||||
FT_UInt32 size )
|
||||
{
|
||||
FT_Error error;
|
||||
FT_Memory memory = stream->memory;
|
||||
FT_UInt flags, num_aux;
|
||||
FT_Byte* p;
|
||||
FT_Byte* limit;
|
||||
|
||||
phy_font->memory = memory;
|
||||
phy_font->offset = offset;
|
||||
|
||||
if ( FT_STREAM_SEEK( offset ) || FT_FRAME_ENTER( size ) )
|
||||
goto Exit;
|
||||
|
||||
p = stream->cursor;
|
||||
limit = p + size;
|
||||
|
||||
PFR_CHECK( 15 );
|
||||
phy_font->font_ref_number = PFR_NEXT_USHORT(p);
|
||||
phy_font->outline_resolution = PFR_NEXT_USHORT(p);
|
||||
phy_font->metrics_resolution = PFR_NEXT_USHORT(p);
|
||||
phy_font->bbox.xMin = PFR_NEXT_SHORT(p);
|
||||
phy_font->bbox.yMin = PFR_NEXT_SHORT(p);
|
||||
phy_font->bbox.xMax = PFR_NEXT_SHORT(p);
|
||||
phy_font->bbox.yMax = PFR_NEXT_SHORT(p);
|
||||
phy_font->flags = flags = PFR_NEXT_BYTE(p);
|
||||
|
||||
/* get the standard advance for non-proprotional fonts */
|
||||
if ( !(flags & PFR_PHY_PROPORTIONAL) )
|
||||
{
|
||||
PFR_CHECK(2);
|
||||
phy_font->standard_advance = PFR_NEXT_SHORT(p);
|
||||
}
|
||||
|
||||
/* load the extra items when present */
|
||||
if ( flags & PFR_PHY_EXTRA_ITEMS )
|
||||
{
|
||||
error =
|
||||
pfr_extra_items_parse( &p, limit, pfr_phy_font_extra_items, phy_font );
|
||||
|
||||
if ( error )
|
||||
goto Fail;
|
||||
}
|
||||
|
||||
/* skip the aux bytes */
|
||||
PFR_CHECK(3);
|
||||
num_aux = PFR_NEXT_ULONG(p);
|
||||
|
||||
PFR_CHECK(num_aux);
|
||||
p += num_aux;
|
||||
|
||||
/* read the blue values */
|
||||
{
|
||||
FT_UInt n, count;
|
||||
|
||||
PFR_CHECK( 1 );
|
||||
phy_font->num_blue_values = count = PFR_NEXT_BYTE(p);
|
||||
|
||||
PFR_CHECK( count*2 );
|
||||
|
||||
if ( FT_NEW_ARRAY( phy_font->blue_values, count ) )
|
||||
goto Fail;
|
||||
|
||||
for ( n = 0; n < count; n++ )
|
||||
phy_font->blue_values[n] = PFR_NEXT_SHORT(p);
|
||||
}
|
||||
|
||||
PFR_CHECK(8);
|
||||
phy_font->blue_fuzz = PFR_NEXT_BYTE(p);
|
||||
phy_font->blue_scale = PFR_NEXT_BYTE(p);
|
||||
|
||||
phy_font->vertical.standard = PFR_NEXT_USHORT(p);
|
||||
phy_font->horizontal.standard = PFR_NEXT_USHORT(p);
|
||||
|
||||
/* read the character descriptors */
|
||||
{
|
||||
FT_UInt n, count, size;
|
||||
|
||||
phy_font->num_chars = count = PFR_NEXT_USHORT(p);
|
||||
phy_font->chars_offset = offset + (p - stream->cursor);
|
||||
|
||||
if ( FT_NEW_ARRAY( phy_font->chars, count ) )
|
||||
goto Fail;
|
||||
|
||||
size = 1 + 1 + 2;
|
||||
if ( flags & PFR_PHY_2BYTE_CHARCODE )
|
||||
size += 1;
|
||||
|
||||
if ( flags & PFR_PHY_PROPORTIONAL )
|
||||
size += 2;
|
||||
|
||||
if ( flags & PFR_PHY_ASCII_CODE )
|
||||
size += 1;
|
||||
|
||||
if ( flags & PFR_PHY_2BYTE_GPS_SIZE )
|
||||
size += 1;
|
||||
|
||||
if ( flags & PFR_PHY_3BYTE_GPS_OFFSET )
|
||||
size += 1;
|
||||
|
||||
PFR_CHECK( count*size );
|
||||
|
||||
for ( n = 0; n < count; n++ )
|
||||
{
|
||||
PFR_Char cur = &phy_font->chars[n];
|
||||
|
||||
cur->char_code = ( flags & PFR_PHY_2BYTE_CHARCODE )
|
||||
? PFR_NEXT_USHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
|
||||
cur->advance = ( flags & PFR_PHY_PROPORTIONAL )
|
||||
? PFR_NEXT_SHORT(p)
|
||||
: phy_font->standard_advance;
|
||||
|
||||
#if 0
|
||||
cur->ascii = ( flags & PFR_PHY_ASCII_CODE )
|
||||
? PFR_NEXT_BYTE(p)
|
||||
: 0;
|
||||
#else
|
||||
if ( flags & PFR_PHY_ASCII_CODE )
|
||||
p += 1;
|
||||
#endif
|
||||
cur->gps_size = ( flags & PFR_PHY_2BYTE_GPS_SIZE )
|
||||
? PFR_NEXT_USHORT(p)
|
||||
: PFR_NEXT_BYTE(p);
|
||||
|
||||
cur->gps_offset = ( flags & PFR_PHY_3BYTE_GPS_OFFSET )
|
||||
? PFR_NEXT_ULONG(p)
|
||||
: PFR_NEXT_USHORT(p);
|
||||
}
|
||||
}
|
||||
|
||||
/* that's it !! */
|
||||
Fail:
|
||||
FT_FRAME_EXIT();
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
|
||||
Too_Short:
|
||||
error = FT_Err_Invalid_Table;
|
||||
FT_ERROR(( "pfr_phy_font_load: invalid physical font table\n" ));
|
||||
goto Fail;
|
||||
}
|
||||
|
||||
|
|
@ -0,0 +1,89 @@
|
|||
#ifndef __PFR_LOAD_H__
|
||||
#define __PFR_LOAD_H__
|
||||
|
||||
#include "pfrobjs.h"
|
||||
#include FT_INTERNAL_STREAM_H
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
#ifdef PFR_CONFIG_NO_CHECKS
|
||||
# define PFR_CHECK(x) do { } while (0)
|
||||
#else
|
||||
# define PFR_CHECK(x) do { if ( p + (x) > limit ) goto Too_Short; } while (0)
|
||||
#endif
|
||||
|
||||
#define PFR_NEXT_BYTE(p) FT_NEXT_BYTE(p)
|
||||
#define PFR_NEXT_INT8(p) FT_NEXT_CHAR(p)
|
||||
#define PFR_NEXT_SHORT(p) FT_NEXT_SHORT(p)
|
||||
#define PFR_NEXT_USHORT(p) FT_NEXT_USHORT(p)
|
||||
#define PFR_NEXT_LONG(p) FT_NEXT_OFF3(p)
|
||||
#define PFR_NEXT_ULONG(p) FT_NEXT_UOFF3(p)
|
||||
|
||||
/* handling extra items */
|
||||
|
||||
typedef FT_Error (*PFR_ExtraItem_ParseFunc)( FT_Byte* p,
|
||||
FT_Byte* limit,
|
||||
FT_Pointer data );
|
||||
typedef struct PFR_ExtraItemRec_
|
||||
{
|
||||
FT_UInt type;
|
||||
PFR_ExtraItem_ParseFunc parser;
|
||||
|
||||
} PFR_ExtraItemRec;
|
||||
|
||||
typedef const struct PFR_ExtraItemRec_* PFR_ExtraItem;
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_extra_items_skip( FT_Byte* *pp, FT_Byte* limit );
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_extra_items_parse( FT_Byte* *pp,
|
||||
FT_Byte* limit,
|
||||
PFR_ExtraItem item_list,
|
||||
FT_Pointer item_data );
|
||||
|
||||
|
||||
/* load a PFR header */
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_header_load( PFR_Header header,
|
||||
FT_Stream stream );
|
||||
|
||||
/* check a PFR header */
|
||||
FT_LOCAL( FT_Bool )
|
||||
pfr_header_check( PFR_Header header );
|
||||
|
||||
|
||||
|
||||
/* return number of logical fonts in this file */
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_log_font_count( FT_Stream stream,
|
||||
FT_UInt32 log_section_offset,
|
||||
FT_UInt *acount );
|
||||
|
||||
|
||||
/* load a pfr logical font entry */
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_log_font_load( PFR_LogFont log_font,
|
||||
FT_Stream stream,
|
||||
FT_UInt face_index,
|
||||
FT_UInt32 section_offset,
|
||||
FT_Bool size_increment );
|
||||
|
||||
|
||||
/* load a physical font entry */
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_phy_font_load( PFR_PhyFont phy_font,
|
||||
FT_Stream stream,
|
||||
FT_UInt32 offset,
|
||||
FT_UInt32 size );
|
||||
|
||||
/* finalize a physical font */
|
||||
FT_LOCAL( void )
|
||||
pfr_phy_font_done( PFR_PhyFont phy_font,
|
||||
FT_Memory memory );
|
||||
|
||||
/* */
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __PFR_LOAD_H__ */
|
|
@ -0,0 +1,280 @@
|
|||
#include "pfrobjs.h"
|
||||
#include "pfrload.h"
|
||||
#include "pfrgload.h"
|
||||
#include "pfrcmap.h"
|
||||
#include FT_OUTLINE_H
|
||||
#include FT_INTERNAL_DEBUG_H
|
||||
|
||||
#undef FT_COMPONENT
|
||||
#define FT_COMPONENT trace_pfr
|
||||
|
||||
/*************************************************************************/
|
||||
/*************************************************************************/
|
||||
/***** *****/
|
||||
/***** FACE OBJECT METHODS *****/
|
||||
/***** *****/
|
||||
/*************************************************************************/
|
||||
/*************************************************************************/
|
||||
|
||||
FT_LOCAL_DEF( void )
|
||||
pfr_face_done( PFR_Face face )
|
||||
{
|
||||
/* finalize the physical font record */
|
||||
pfr_phy_font_done( &face->phy_font, FT_FACE_MEMORY(face) );
|
||||
|
||||
/* no need to finalize the logical font or the header */
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_face_init( FT_Stream stream,
|
||||
PFR_Face face,
|
||||
FT_Int face_index )
|
||||
{
|
||||
FT_Error error;
|
||||
|
||||
/* load the header and check it */
|
||||
error = pfr_header_load( &face->header, stream );
|
||||
if ( error ) goto Exit;
|
||||
|
||||
if ( !pfr_header_check( &face->header ) )
|
||||
{
|
||||
FT_TRACE4(( "PFR.Face.Init: not a valid PFR font\n" ));
|
||||
error = FT_Err_Invalid_Argument;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
/* check face index */
|
||||
{
|
||||
FT_UInt num_faces;
|
||||
|
||||
error = pfr_log_font_count( stream,
|
||||
face->header.log_dir_offset,
|
||||
&num_faces );
|
||||
if ( error ) goto Exit;
|
||||
|
||||
face->root.num_faces = num_faces;
|
||||
}
|
||||
|
||||
if ( face_index < 0 )
|
||||
goto Exit;
|
||||
|
||||
if ( face_index >= face->root.num_faces )
|
||||
{
|
||||
FT_ERROR(( "PFR.Face.Init: invalid face index\n" ));
|
||||
error = FT_Err_Invalid_Argument;
|
||||
goto Exit;
|
||||
}
|
||||
|
||||
/* load the face */
|
||||
error = pfr_log_font_load(
|
||||
&face->log_font, stream, face_index,
|
||||
face->header.log_dir_offset,
|
||||
FT_BOOL( face->header.phy_font_max_size_high != 0 ) );
|
||||
if ( error )
|
||||
goto Exit;
|
||||
|
||||
/* now load the physical font descriptor */
|
||||
error = pfr_phy_font_load( &face->phy_font, stream,
|
||||
face->log_font.phys_offset,
|
||||
face->log_font.phys_size );
|
||||
if ( error )
|
||||
goto Exit;
|
||||
|
||||
/* now, set-up all root face fields */
|
||||
{
|
||||
FT_Face root = FT_FACE(face);
|
||||
PFR_PhyFont phy_font = &face->phy_font;
|
||||
|
||||
root->face_index = face_index;
|
||||
root->num_glyphs = phy_font->num_chars;
|
||||
root->face_flags = FT_FACE_FLAG_SCALABLE;
|
||||
|
||||
if ( (phy_font->flags & PFR_PHY_PROPORTIONAL) == 0 )
|
||||
root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
|
||||
|
||||
if ( phy_font->flags & PFR_PHY_VERTICAL )
|
||||
root->face_flags |= FT_FACE_FLAG_HORIZONTAL;
|
||||
else
|
||||
root->face_flags |= FT_FACE_FLAG_VERTICAL;
|
||||
|
||||
/* XXXX: kerning and embedded bitmap support isn't there yet */
|
||||
|
||||
root->family_name = phy_font->font_id;
|
||||
root->style_name = NULL; /* no style name in font file */
|
||||
|
||||
root->num_fixed_sizes = 0;
|
||||
root->available_sizes = 0;
|
||||
|
||||
root->bbox = phy_font->bbox;
|
||||
root->units_per_EM = (FT_UShort) phy_font->outline_resolution;
|
||||
root->ascender = (FT_Short) phy_font->bbox.yMax;
|
||||
root->descender = (FT_Short) phy_font->bbox.yMin;
|
||||
root->height = (FT_Short)( ((root->ascender - root->descender)*12) / 10 );
|
||||
|
||||
/* now compute maximum advance width */
|
||||
if ( (phy_font->flags & PFR_PHY_PROPORTIONAL) == 0 )
|
||||
root->max_advance_width = (FT_Short) phy_font->standard_advance;
|
||||
else
|
||||
{
|
||||
FT_Int max = 0;
|
||||
FT_UInt count = phy_font->num_chars;
|
||||
PFR_Char gchar = phy_font->chars;
|
||||
|
||||
for ( ; count > 0; count--, gchar++ )
|
||||
{
|
||||
if ( max < gchar->advance )
|
||||
max = gchar->advance;
|
||||
}
|
||||
|
||||
root->max_advance_width = (FT_Short) max;
|
||||
}
|
||||
|
||||
root->max_advance_height = root->height;
|
||||
|
||||
root->underline_position = (FT_Short)( - root->units_per_EM/10 );
|
||||
root->underline_thickness = (FT_Short)( root->units_per_EM/30 );
|
||||
|
||||
/* create charmap */
|
||||
{
|
||||
FT_CharMapRec charmap;
|
||||
|
||||
charmap.face = root;
|
||||
charmap.platform_id = 3;
|
||||
charmap.encoding_id = 1;
|
||||
charmap.encoding = ft_encoding_unicode;
|
||||
|
||||
FT_CMap_New( &pfr_cmap_class_rec, NULL, &charmap, NULL );
|
||||
}
|
||||
}
|
||||
|
||||
Exit:
|
||||
return error;
|
||||
}
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/*************************************************************************/
|
||||
/***** *****/
|
||||
/***** SLOT OBJECT METHOD *****/
|
||||
/***** *****/
|
||||
/*************************************************************************/
|
||||
/*************************************************************************/
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_slot_init( PFR_Slot slot )
|
||||
{
|
||||
FT_GlyphLoader loader = slot->root.internal->loader;
|
||||
|
||||
pfr_glyph_init( &slot->glyph, loader );
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( void )
|
||||
pfr_slot_done( PFR_Slot slot )
|
||||
{
|
||||
pfr_glyph_done( &slot->glyph );
|
||||
}
|
||||
|
||||
|
||||
FT_LOCAL_DEF( FT_Error )
|
||||
pfr_slot_load( PFR_Slot slot,
|
||||
PFR_Size size,
|
||||
FT_UInt gindex,
|
||||
FT_Int load_flags )
|
||||
{
|
||||
FT_Error error;
|
||||
PFR_Face face = (PFR_Face) slot->root.face;
|
||||
PFR_Char gchar = face->phy_font.chars + gindex;
|
||||
FT_Outline* outline = &slot->root.outline;
|
||||
FT_ULong gps_offset;
|
||||
|
||||
/* check that the glyph index is correct */
|
||||
FT_ASSERT( gindex < face->phy_font.num_chars );
|
||||
|
||||
slot->root.format = ft_glyph_format_outline;
|
||||
outline->n_points = 0;
|
||||
outline->n_contours = 0;
|
||||
gps_offset = face->header.gps_section_offset;
|
||||
|
||||
|
||||
/* load the glyph outline ( FT_LOAD_NO_RECURSE isn't supported ) */
|
||||
error = pfr_glyph_load( &slot->glyph, face->root.stream,
|
||||
gps_offset, gchar->gps_offset, gchar->gps_size );
|
||||
|
||||
if (!error)
|
||||
{
|
||||
FT_BBox cbox;
|
||||
FT_Outline* outline = &slot->root.outline;
|
||||
FT_Glyph_Metrics* metrics = &slot->root.metrics;
|
||||
FT_Pos advance;
|
||||
FT_Int em_metrics, em_outline;
|
||||
FT_Bool scaling;
|
||||
|
||||
scaling = FT_BOOL( (load_flags & FT_LOAD_NO_SCALE) == 0 );
|
||||
|
||||
/* copy outline data */
|
||||
*outline = slot->glyph.loader->base.outline;
|
||||
|
||||
outline->flags &= ~ft_outline_owner;
|
||||
outline->flags |= ft_outline_reverse_fill;
|
||||
|
||||
if ( size && size->root.metrics.y_ppem < 24 )
|
||||
outline->flags |= ft_outline_high_precision;
|
||||
|
||||
/* compute the advance vector */
|
||||
metrics->horiAdvance = 0;
|
||||
metrics->vertAdvance = 0;
|
||||
|
||||
advance = gchar->advance;
|
||||
em_metrics = face->phy_font.metrics_resolution;
|
||||
em_outline = face->phy_font.outline_resolution;
|
||||
|
||||
if ( em_metrics != em_outline )
|
||||
advance = FT_MulDiv( advance, em_outline, em_metrics );
|
||||
|
||||
if ( face->phy_font.flags & PFR_PHY_VERTICAL )
|
||||
metrics->vertAdvance = gchar->advance;
|
||||
else
|
||||
metrics->horiAdvance = gchar->advance;
|
||||
|
||||
slot->root.linearHoriAdvance = metrics->horiAdvance;
|
||||
slot->root.linearVertAdvance = metrics->vertAdvance;
|
||||
|
||||
/* make-up vertical metrics (?) */
|
||||
metrics->vertBearingX = 0;
|
||||
metrics->vertBearingY = 0;
|
||||
|
||||
/* scale when needed */
|
||||
if ( scaling )
|
||||
{
|
||||
FT_Int n;
|
||||
FT_Fixed x_scale = size->root.metrics.x_scale;
|
||||
FT_Fixed y_scale = size->root.metrics.y_scale;
|
||||
FT_Vector* vec = outline->points;
|
||||
|
||||
/* scale outline points */
|
||||
for ( n = 0; n < outline->n_points; n++, vec++ )
|
||||
{
|
||||
vec->x = FT_MulFix( vec->x, x_scale );
|
||||
vec->y = FT_MulFix( vec->y, y_scale );
|
||||
}
|
||||
|
||||
/* scale the advance */
|
||||
metrics->horiAdvance = FT_MulFix( metrics->horiAdvance, x_scale );
|
||||
metrics->vertAdvance = FT_MulFix( metrics->vertAdvance, y_scale );
|
||||
}
|
||||
|
||||
/* compute the rest of the metrics */
|
||||
FT_Outline_Get_CBox( outline, &cbox );
|
||||
|
||||
metrics->width = cbox.xMax - cbox.xMin;
|
||||
metrics->height = cbox.yMax - cbox.yMin;
|
||||
metrics->horiBearingX = cbox.xMin;
|
||||
metrics->horiBearingY = cbox.yMax - metrics->height;
|
||||
}
|
||||
|
||||
return error;
|
||||
}
|
|
@ -0,0 +1,68 @@
|
|||
#ifndef __PFR_OBJS_H__
|
||||
#define __PFR_OBJS_H__
|
||||
|
||||
#include "pfrtypes.h"
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
typedef struct PFR_FaceRec_* PFR_Face;
|
||||
|
||||
typedef struct PFR_SizeRec_* PFR_Size;
|
||||
|
||||
typedef struct PFR_SlotRec_* PFR_Slot;
|
||||
|
||||
|
||||
|
||||
typedef struct PFR_FaceRec_
|
||||
{
|
||||
FT_FaceRec root;
|
||||
PFR_HeaderRec header;
|
||||
PFR_LogFontRec log_font;
|
||||
PFR_PhyFontRec phy_font;
|
||||
|
||||
} PFR_FaceRec;
|
||||
|
||||
|
||||
typedef struct PFR_SizeRec_
|
||||
{
|
||||
FT_SizeRec root;
|
||||
|
||||
} PFR_SizeRec;
|
||||
|
||||
|
||||
typedef struct PFR_SlotRec_
|
||||
{
|
||||
FT_GlyphSlotRec root;
|
||||
PFR_GlyphRec glyph;
|
||||
|
||||
} PFR_SlotRec;
|
||||
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_face_init( FT_Stream stream,
|
||||
PFR_Face face,
|
||||
FT_Int face_index );
|
||||
|
||||
|
||||
FT_LOCAL( void )
|
||||
pfr_face_done( PFR_Face face );
|
||||
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_slot_init( PFR_Slot slot );
|
||||
|
||||
|
||||
FT_LOCAL( void )
|
||||
pfr_slot_done( PFR_Slot slot );
|
||||
|
||||
|
||||
FT_LOCAL( FT_Error )
|
||||
pfr_slot_load( PFR_Slot slot,
|
||||
PFR_Size size,
|
||||
FT_UInt gindex,
|
||||
FT_Int load_flags );
|
||||
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __PFR_OBJS_H__ */
|
|
@ -0,0 +1,289 @@
|
|||
#ifndef __PFR_TYPES_H__
|
||||
#define __PFR_TYPES_H__
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_INTERNAL_OBJECTS_H
|
||||
|
||||
FT_BEGIN_HEADER
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
/* the PFR Header structure */
|
||||
typedef struct PFR_HeaderRec_
|
||||
{
|
||||
FT_UInt32 signature;
|
||||
FT_UInt version;
|
||||
FT_UInt signature2;
|
||||
FT_UInt header_size;
|
||||
|
||||
FT_UInt log_dir_size;
|
||||
FT_UInt log_dir_offset;
|
||||
|
||||
FT_UInt log_font_max_size;
|
||||
FT_UInt32 log_font_section_size;
|
||||
FT_UInt32 log_font_section_offset;
|
||||
|
||||
FT_UInt32 phy_font_max_size;
|
||||
FT_UInt32 phy_font_section_size;
|
||||
FT_UInt32 phy_font_section_offset;
|
||||
|
||||
FT_UInt gps_max_size;
|
||||
FT_UInt32 gps_section_size;
|
||||
FT_UInt32 gps_section_offset;
|
||||
|
||||
FT_UInt max_blue_values;
|
||||
FT_UInt max_x_orus;
|
||||
FT_UInt max_y_orus;
|
||||
|
||||
FT_UInt phy_font_max_size_high;
|
||||
FT_UInt color_flags;
|
||||
|
||||
FT_UInt32 bct_max_size;
|
||||
FT_UInt32 bct_set_max_size;
|
||||
FT_UInt32 phy_bct_set_max_size;
|
||||
|
||||
FT_UInt num_phy_fonts;
|
||||
FT_UInt max_vert_stem_snap;
|
||||
FT_UInt max_horz_stem_snap;
|
||||
FT_UInt max_chars;
|
||||
|
||||
} PFR_HeaderRec, *PFR_Header;
|
||||
|
||||
|
||||
/* used in 'color_flags' field of the PFR_Header */
|
||||
typedef enum PFR_HeaderFlags_
|
||||
{
|
||||
PFR_FLAG_BLACK_PIXEL = 1,
|
||||
PFR_FLAG_INVERT_BITMAP = 2
|
||||
|
||||
} PFR_HeaderFlags;
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef struct PFR_LogFontRec_
|
||||
{
|
||||
FT_UInt32 size;
|
||||
FT_UInt32 offset;
|
||||
|
||||
FT_Int32 matrix[4];
|
||||
FT_UInt stroke_flags;
|
||||
FT_Int stroke_thickness;
|
||||
FT_Int bold_thickness;
|
||||
FT_Int32 miter_limit;
|
||||
|
||||
FT_UInt32 phys_size;
|
||||
FT_UInt32 phys_offset;
|
||||
|
||||
} PFR_LogFontRec, *PFR_LogFont;
|
||||
|
||||
|
||||
typedef enum PFR_LogFlags_
|
||||
{
|
||||
PFR_LOG_EXTRA_ITEMS = 0x40,
|
||||
PFR_LOG_2BYTE_BOLD = 0x20,
|
||||
PFR_LOG_BOLD = 0x10,
|
||||
PFR_LOG_2BYTE_STROKE = 8,
|
||||
PFR_LOG_STROKE = 4,
|
||||
PFR_LINE_JOIN_MASK = 3
|
||||
|
||||
} PFR_LogFlags;
|
||||
|
||||
|
||||
typedef enum PFR_LineJoinFlags_
|
||||
{
|
||||
PFR_LINE_JOIN_MITER = 0,
|
||||
PFR_LINE_JOIN_ROUND = 1,
|
||||
PFR_LINE_JOIN_BEVEL = 2
|
||||
|
||||
} PFR_LineJoinFlags;
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef enum PFR_BitmapFlags_
|
||||
{
|
||||
PFR_BITMAP_3BYTE_OFFSET = 4,
|
||||
PFR_BITMAP_2BYTE_SIZE = 2,
|
||||
PFR_BITMAP_2BYTE_CHARCODE = 1
|
||||
|
||||
} PFR_BitmapFlags;
|
||||
|
||||
|
||||
typedef struct PFR_BitmapCharRec_
|
||||
{
|
||||
FT_UInt char_code;
|
||||
FT_UInt gps_size;
|
||||
FT_UInt32 gps_offset;
|
||||
|
||||
} PFR_BitmapCharRec, *PFR_BitmapChar;
|
||||
|
||||
|
||||
typedef enum PFR_StrikeFlags_
|
||||
{
|
||||
PFR_STRIKE_2BYTE_COUNT = 0x10,
|
||||
PFR_STRIKE_3BYTE_OFFSET = 0x08,
|
||||
PFR_STRIKE_3BYTE_SIZE = 0x04,
|
||||
PFR_STRIKE_2BYTE_YPPM = 0x02,
|
||||
PFR_STRIKE_2BYTE_XPPM = 0x01
|
||||
|
||||
} PFR_StrikeFlags;
|
||||
|
||||
|
||||
typedef struct PFR_StrikeRec_
|
||||
{
|
||||
FT_UInt x_ppm;
|
||||
FT_UInt y_ppm;
|
||||
FT_UInt flags;
|
||||
|
||||
FT_UInt32 gps_size;
|
||||
FT_UInt32 gps_offset;
|
||||
|
||||
FT_UInt32 bct_size;
|
||||
FT_UInt32 bct_offset;
|
||||
|
||||
/* optional */
|
||||
FT_UInt num_bitmaps;
|
||||
PFR_BitmapChar bitmaps;
|
||||
|
||||
} PFR_StrikeRec, *PFR_Strike;
|
||||
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef struct PFR_CharRec_
|
||||
{
|
||||
FT_UInt char_code;
|
||||
FT_Int advance;
|
||||
FT_UInt gps_size;
|
||||
FT_UInt32 gps_offset;
|
||||
|
||||
} PFR_CharRec, *PFR_Char;
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef struct PFR_DimensionRec_
|
||||
{
|
||||
FT_UInt standard;
|
||||
FT_UInt num_stem_snaps;
|
||||
FT_Int* stem_snaps;
|
||||
|
||||
} PFR_DimensionRec, *PFR_Dimension;
|
||||
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef struct PFR_PhyFontRec_
|
||||
{
|
||||
FT_Memory memory;
|
||||
FT_UInt32 offset;
|
||||
|
||||
FT_UInt font_ref_number;
|
||||
FT_UInt outline_resolution;
|
||||
FT_UInt metrics_resolution;
|
||||
FT_BBox bbox;
|
||||
FT_UInt flags;
|
||||
FT_UInt standard_advance;
|
||||
|
||||
PFR_DimensionRec horizontal;
|
||||
PFR_DimensionRec vertical;
|
||||
|
||||
FT_String* font_id;
|
||||
|
||||
FT_UInt num_strikes;
|
||||
FT_UInt max_strikes;
|
||||
PFR_StrikeRec* strikes;
|
||||
|
||||
FT_UInt num_blue_values;
|
||||
FT_Int *blue_values;
|
||||
FT_UInt blue_fuzz;
|
||||
FT_UInt blue_scale;
|
||||
|
||||
FT_UInt num_chars;
|
||||
FT_UInt32 chars_offset;
|
||||
PFR_Char chars;
|
||||
|
||||
} PFR_PhyFontRec, *PFR_PhyFont;
|
||||
|
||||
typedef enum PFR_PhyFlags_
|
||||
{
|
||||
PFR_PHY_EXTRA_ITEMS = 0x80,
|
||||
PFR_PHY_3BYTE_GPS_OFFSET = 0x20,
|
||||
PFR_PHY_2BYTE_GPS_SIZE = 0x10,
|
||||
PFR_PHY_ASCII_CODE = 0x08,
|
||||
PFR_PHY_PROPORTIONAL = 0x04,
|
||||
PFR_PHY_2BYTE_CHARCODE = 0x02,
|
||||
PFR_PHY_VERTICAL = 0x01
|
||||
|
||||
} PFR_PhyFlags;
|
||||
|
||||
/************************************************************************/
|
||||
|
||||
typedef enum PFR_GlyphFlags_
|
||||
{
|
||||
PFR_GLYPH_IS_COMPOUND = 0x80,
|
||||
PFR_GLYPH_EXTRA_ITEMS = 0x08,
|
||||
PFR_GLYPH_1BYTE_XYCOUNT = 0x04,
|
||||
PFR_GLYPH_XCOUNT = 0x02,
|
||||
PFR_GLYPH_YCOUNT = 0x01
|
||||
|
||||
} PFR_GlyphFlags;
|
||||
|
||||
/* controlled coordinate */
|
||||
typedef struct PFR_CoordRec_
|
||||
{
|
||||
FT_UInt org;
|
||||
FT_UInt cur;
|
||||
|
||||
} PFR_CoordRec, *PFR_Coord;
|
||||
|
||||
|
||||
typedef struct PFR_SubGlyphRec_
|
||||
{
|
||||
FT_Fixed x_scale;
|
||||
FT_Fixed y_scale;
|
||||
FT_Int x_delta;
|
||||
FT_Int y_delta;
|
||||
FT_UInt32 gps_offset;
|
||||
FT_UInt gps_size;
|
||||
|
||||
} PFR_SubGlyphRec, *PFR_SubGlyph;
|
||||
|
||||
|
||||
typedef enum PFR_SubgGlyphFlags_
|
||||
{
|
||||
PFR_SUBGLYPH_3BYTE_OFFSET = 0x80,
|
||||
PFR_SUBGLYPH_2BYTE_SIZE = 0x40,
|
||||
PFR_SUBGLYPH_YSCALE = 0x20,
|
||||
PFR_SUBGLYPH_XSCALE = 0x10
|
||||
|
||||
} PFR_SubGlyphFlags;
|
||||
|
||||
|
||||
|
||||
typedef struct PFR_GlyphRec_
|
||||
{
|
||||
FT_Byte format;
|
||||
|
||||
FT_UInt num_x_control;
|
||||
FT_UInt num_y_control;
|
||||
FT_UInt max_xy_control;
|
||||
FT_Pos* x_control;
|
||||
FT_Pos* y_control;
|
||||
|
||||
|
||||
FT_UInt num_subs;
|
||||
FT_UInt max_subs;
|
||||
PFR_SubGlyphRec* subs;
|
||||
|
||||
FT_GlyphLoader loader;
|
||||
FT_Bool path_begun;
|
||||
|
||||
} PFR_GlyphRec, *PFR_Glyph;
|
||||
|
||||
|
||||
FT_END_HEADER
|
||||
|
||||
#endif /* __PFR_TYPES_H__ */
|
|
@ -0,0 +1,70 @@
|
|||
#
|
||||
# FreeType 2 PFR driver configuration rules
|
||||
#
|
||||
|
||||
|
||||
# Copyright 1996-2002 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.
|
||||
|
||||
|
||||
# Pfr driver directory
|
||||
#
|
||||
PFR_DIR := $(SRC_)pfr
|
||||
PFR_DIR_ := $(PFR_DIR)$(SEP)
|
||||
|
||||
|
||||
# compilation flags for the driver
|
||||
#
|
||||
PFR_COMPILE := $(FT_COMPILE) $I$(PFR_DIR)
|
||||
|
||||
|
||||
# Pfr driver sources (i.e., C files)
|
||||
#
|
||||
PFR_DRV_SRC := $(PFR_DIR_)pfrload.c \
|
||||
$(PFR_DIR_)pfrgload.c \
|
||||
$(PFR_DIR_)pfrcmap.c \
|
||||
$(PFR_DIR_)pfrdrivr.c \
|
||||
$(PFR_DIR_)pfrobjs.c
|
||||
|
||||
# Pfr driver headers
|
||||
#
|
||||
PFR_DRV_H := $(PFR_DRV_SRC:%.c=%.h)
|
||||
|
||||
|
||||
# Pfr driver object(s)
|
||||
#
|
||||
# PFR_DRV_OBJ_M is used during `multi' builds
|
||||
# PFR_DRV_OBJ_S is used during `single' builds
|
||||
#
|
||||
PFR_DRV_OBJ_M := $(PFR_DRV_SRC:$(PFR_DIR_)%.c=$(OBJ_)%.$O)
|
||||
PFR_DRV_OBJ_S := $(OBJ_)pfr.$O
|
||||
|
||||
# Pfr driver source file for single build
|
||||
#
|
||||
PFR_DRV_SRC_S := $(PFR_DIR_)pfr.c
|
||||
|
||||
|
||||
# Pfr driver - single object
|
||||
#
|
||||
$(PFR_DRV_OBJ_S): $(PFR_DRV_SRC_S) $(PFR_DRV_SRC) $(FREETYPE_H) $(PFR_DRV_H)
|
||||
$(PFR_COMPILE) $T$@ $(PFR_DRV_SRC_S)
|
||||
|
||||
|
||||
# Pfr driver - multiple objects
|
||||
#
|
||||
$(OBJ_)%.$O: $(PFR_DIR_)%.c $(FREETYPE_H) $(PFR_DRV_H)
|
||||
$(PFR_COMPILE) $T$@ $<
|
||||
|
||||
|
||||
# update main driver object lists
|
||||
#
|
||||
DRV_OBJS_S += $(PFR_DRV_OBJ_S)
|
||||
DRV_OBJS_M += $(PFR_DRV_OBJ_M)
|
||||
|
||||
# EOF
|
|
@ -141,7 +141,7 @@
|
|||
FT_LOCAL_DEF( FT_Error )
|
||||
T1_Load_Glyph( T1_GlyphSlot glyph,
|
||||
T1_Size size,
|
||||
FT_Int glyph_index,
|
||||
FT_UInt glyph_index,
|
||||
FT_Int load_flags )
|
||||
{
|
||||
FT_Error error;
|
||||
|
|
|
@ -34,7 +34,7 @@ FT_BEGIN_HEADER
|
|||
FT_LOCAL( FT_Error )
|
||||
T1_Load_Glyph( T1_GlyphSlot glyph,
|
||||
T1_Size size,
|
||||
FT_Int glyph_index,
|
||||
FT_UInt glyph_index,
|
||||
FT_Int load_flags );
|
||||
|
||||
|
||||
|
|
Loading…
Reference in New Issue