ReFuel/freetype
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
freetype/src/type1/t1objs.c
Werner Lemberg 0d9165e1d6 * src/base/ftdbgmem.c (ft_mem_table_resize, ft_mem_table_new, 
ft_mem_table_set, ft_mem_debug_alloc, ft_mem_debug_free,
ft_mem_debug_realloc, ft_mem_debug_done, FT_Alloc_Debug,
FT_Realloc_Debug, FT_Free_Debug): Fix compiler warnings.
* src/base/ftcalc.c (FT_MulFix): Ditto.
* src/cff/cffdrivr.c (cff_get_name_index): Ditto.
* src/cff/cffobjs.c (CFF_Size_Get_Global_Funcs, CFF_Size_Init,
CFF_GlyphSlot_Init): Ditto.
* src/cid/cidobjs.c (CID_GlyphSlot_Init,
CID_Size_Get_Globals_Funcs): Ditto.
* src/type1/t1objs.c (T1_Size_Get_Globals_Funcs, T1_GlyphSlot_Init):
Ditto.
* src/pshinter/pshmod.c (pshinter_interface): Use `static const'.
* src/winfonts/winfnt.c (FNT_Get_Next_Char): Remove unused
variables.

* include/freetype/internal/psaux.h (T1_Builder_Funcs): Renamed
to...
(T1_Builder_FuncsRec): This.
(T1_Builder_Funcs): New typedef.
(PSAux_Interface): Remove compiler warnings.
* src/psaux/psauxmod.c (t1_builder_funcs), src/psaux/psobjs.h
(t1_builder_funcs): Updated.

* src/pshinter/pshglob.h (PSH_Blue_Align): Replaced with ...
(PSH_BLUE_ALIGN_{NONE,TOP,BOT}): New defines.
(PSH_AlignmentRec): Updated.

* include/freetype/internal/ftstream.h (GET_Char, GET_Byte): Fix
typo.
* include/freetype/internal/ftgloadr.h (FT_SubGlyph): Ditto.
* src/base/ftstream (FT_Get_Char): Rename to...
(FT_Stream_Get_Char): This.

* src/base/ftnames.c (FT_Get_Sfnt_Name): s/index/idx/ -- `index' is
a built-in function in gcc, causing warning messages with gcc 3.0.
* src/autohint/ahglyph.c (ah_outline_load): Ditto.
* src/autohint/ahglobal.c (ah_hinter_compute_blues): Ditto.
* src/cache/ftcmanag.c (ftc_family_table_alloc,
ftc_family_table_free, FTC_Manager_Done, FTC_Manager_Register_Cache):
Ditto.
* src/cff/cffload.c (cff_new_index, cff_done_index,
cff_explicit_index, CFF_Access_Element, CFF_Forget_Element,
CFF_Get_Name, CFF_Get_String, CFF_Load_SubFont, CFF_Load_Font,
CFF_Done_Font): Ditto.
* src/psaux/psobjs.c (PS_Table_Add, PS_Parser_LoadField): Ditto.
* src/psaux/t1decode.c (T1_Decoder_Parse_Charstrings): Ditto.
* src/pshinter/pshrec.c (ps_mask_test_bit, ps_mask_clear_bit,
ps_mask_set_bit, ps_dimension_add_t1stem, ps_hints_t1stem3,
* src/pshinter/pshalgo1.c (psh1_hint_table_record,
psh1_hint_table_record_mask, psh1_hint_table_activate_mask): Ditto.
* src/pshinter/pshalgo2.c (psh2_hint_table_record,
psh2_hint_table_record_mask, psh2_hint_table_activate_mask): Ditto.
* src/sfnt/ttpost.c (Load_Format_20, Load_Format_25,
TT_Get_PS_Name): Ditto.
* src/truetype/ttgload.c (TT_Get_Metrics, Get_HMetrics,
load_truetype_glyph): Ditto.
* src/type1/t1load.c (parse_subrs, T1_Open_Face): Ditto.
* src/type1/t1afm.c (T1_Get_Kerning): Ditto.
* include/freetype/cache/ftcmanag.h (ftc_family_table_free): Ditto.
2002-03-07 21:59:59 +00:00

567 lines
19 KiB
C
Raw Blame History

/***************************************************************************/
/* */
/* t1objs.c */
/* */
/* Type 1 objects manager (body). */
/* */
/* Copyright 1996-2001 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. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_INTERNAL_DEBUG_H
#include FT_INTERNAL_STREAM_H
#include <string.h> /* strcmp() */
#include "t1gload.h"
#include "t1load.h"
#include "t1errors.h"
#ifndef T1_CONFIG_OPTION_NO_AFM
#include "t1afm.h"
#endif
#include FT_INTERNAL_POSTSCRIPT_NAMES_H
#include FT_INTERNAL_POSTSCRIPT_AUX_H
/*************************************************************************/
/* */
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
/* messages during execution. */
/* */
#undef FT_COMPONENT
#define FT_COMPONENT trace_t1objs
/*************************************************************************/
/* */
/* SIZE FUNCTIONS */
/* */
/* note that we store the global hints in the size's "internal" root */
/* field */
/* */
/*************************************************************************/
static PSH_Globals_Funcs
T1_Size_Get_Globals_Funcs( T1_Size size )
{
T1_Face face = (T1_Face)size->root.face;
PSHinter_Service pshinter = (PSHinter_Service)face->pshinter;
FT_Module module;
module = FT_Get_Module( size->root.face->driver->root.library,
"pshinter" );
return ( module && pshinter && pshinter->get_globals_funcs )
? pshinter->get_globals_funcs( module )
: 0 ;
}
FT_LOCAL_DEF( void )
T1_Size_Done( T1_Size size )
{
if ( size->root.internal )
{
PSH_Globals_Funcs funcs;
funcs = T1_Size_Get_Globals_Funcs( size );
if ( funcs )
funcs->destroy( (PSH_Globals)size->root.internal );
size->root.internal = 0;
}
}
FT_LOCAL_DEF( FT_Error )
T1_Size_Init( T1_Size size )
{
FT_Error error = 0;
PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );
if ( funcs )
{
PSH_Globals globals;
T1_Face face = (T1_Face)size->root.face;
error = funcs->create( size->root.face->memory,
&face->type1.private_dict, &globals );
if ( !error )
size->root.internal = (FT_Size_Internal)(void*)globals;
}
return error;
}
FT_LOCAL_DEF( FT_Error )
T1_Size_Reset( T1_Size size )
{
PSH_Globals_Funcs funcs = T1_Size_Get_Globals_Funcs( size );
FT_Error error = 0;
if ( funcs )
error = funcs->set_scale( (PSH_Globals)size->root.internal,
size->root.metrics.x_scale,
size->root.metrics.y_scale,
0, 0 );
return error;
}
/*************************************************************************/
/* */
/* SLOT FUNCTIONS */
/* */
/*************************************************************************/
FT_LOCAL_DEF( void )
T1_GlyphSlot_Done( T1_GlyphSlot slot )
{
slot->root.internal->glyph_hints = 0;
}
FT_LOCAL_DEF( FT_Error )
T1_GlyphSlot_Init( T1_GlyphSlot slot )
{
T1_Face face;
PSHinter_Service pshinter;
face = (T1_Face)slot->root.face;
pshinter = (PSHinter_Service)face->pshinter;
if ( pshinter )
{
FT_Module module;
module = FT_Get_Module( slot->root.face->driver->root.library, "pshinter" );
if (module)
{
T1_Hints_Funcs funcs;
funcs = pshinter->get_t1_funcs( module );
slot->root.internal->glyph_hints = (void*)funcs;
}
}
return 0;
}
/*************************************************************************/
/* */
/* FACE FUNCTIONS */
/* */
/*************************************************************************/
/*************************************************************************/
/* */
/* <Function> */
/* T1_Face_Done */
/* */
/* <Description> */
/* The face object destructor. */
/* */
/* <Input> */
/* face :: A typeless pointer to the face object to destroy. */
/* */
FT_LOCAL_DEF( void )
T1_Face_Done( T1_Face face )
{
FT_Memory memory;
T1_Font type1 = &face->type1;
if ( face )
{
memory = face->root.memory;
#ifndef T1_CONFIG_OPTION_NO_MM_SUPPORT
/* release multiple masters information */
T1_Done_Blend( face );
face->blend = 0;
#endif
/* release font info strings */
{
PS_FontInfo info = &type1->font_info;
FREE( info->version );
FREE( info->notice );
FREE( info->full_name );
FREE( info->family_name );
FREE( info->weight );
}
/* release top dictionary */
FREE( type1->charstrings_len );
FREE( type1->charstrings );
FREE( type1->glyph_names );
FREE( type1->subrs );
FREE( type1->subrs_len );
FREE( type1->subrs_block );
FREE( type1->charstrings_block );
FREE( type1->glyph_names_block );
FREE( type1->encoding.char_index );
FREE( type1->encoding.char_name );
FREE( type1->font_name );
#ifndef T1_CONFIG_OPTION_NO_AFM
/* release afm data if present */
if ( face->afm_data )
T1_Done_AFM( memory, (T1_AFM*)face->afm_data );
#endif
/* release unicode map, if any */
FREE( face->unicode_map.maps );
face->unicode_map.num_maps = 0;
face->root.family_name = 0;
face->root.style_name = 0;
}
}
/*************************************************************************/
/* */
/* <Function> */
/* T1_Face_Init */
/* */
/* <Description> */
/* The face object constructor. */
/* */
/* <Input> */
/* stream :: input stream where to load font data. */
/* */
/* face_index :: The index of the font face in the resource. */
/* */
/* num_params :: Number of additional generic parameters. Ignored. */
/* */
/* params :: Additional generic parameters. Ignored. */
/* */
/* <InOut> */
/* face :: The face record to build. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_LOCAL_DEF( FT_Error )
T1_Face_Init( FT_Stream stream,
T1_Face face,
FT_Int face_index,
FT_Int num_params,
FT_Parameter* params )
{
FT_Error error;
PSNames_Service psnames;
PSAux_Service psaux;
PSHinter_Service pshinter;
FT_UNUSED( num_params );
FT_UNUSED( params );
FT_UNUSED( face_index );
FT_UNUSED( stream );
face->root.num_faces = 1;
psnames = (PSNames_Service)face->psnames;
if ( !psnames )
{
psnames = (PSNames_Service)
FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), "psnames" );
face->psnames = psnames;
}
psaux = (PSAux_Service)face->psaux;
if ( !psaux )
{
psaux = (PSAux_Service)
FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), "psaux" );
face->psaux = psaux;
}
pshinter = (PSHinter_Service)face->pshinter;
if ( !pshinter )
{
pshinter = (PSHinter_Service)
FT_Get_Module_Interface( FT_FACE_LIBRARY( face ), "pshinter" );
face->pshinter = pshinter;
}
/* open the tokenizer, this will also check the font format */
error = T1_Open_Face( face );
if ( error )
goto Exit;
/* if we just wanted to check the format, leave successfully now */
if ( face_index < 0 )
goto Exit;
/* check the face index */
if ( face_index != 0 )
{
FT_ERROR(( "T1_Face_Init: invalid face index\n" ));
error = T1_Err_Invalid_Argument;
goto Exit;
}
/* Now, load the font program into the face object */
/* Init the face object fields */
/* Now set up root face fields */
{
FT_Face root = (FT_Face)&face->root;
root->num_glyphs = face->type1.num_glyphs;
root->num_charmaps = 1;
root->face_index = face_index;
root->face_flags = FT_FACE_FLAG_SCALABLE;
root->face_flags |= FT_FACE_FLAG_HORIZONTAL;
root->face_flags |= FT_FACE_FLAG_GLYPH_NAMES;
if ( face->type1.font_info.is_fixed_pitch )
root->face_flags |= FT_FACE_FLAG_FIXED_WIDTH;
if ( face->blend )
root->face_flags |= FT_FACE_FLAG_MULTIPLE_MASTERS;
/* XXX: TODO -- add kerning with .afm support */
/* get style name -- be careful, some broken fonts only */
/* have a `/FontName' dictionary entry! */
root->family_name = face->type1.font_info.family_name;
if ( root->family_name )
{
char* full = face->type1.font_info.full_name;
char* family = root->family_name;
if ( full )
{
while ( *family && *full == *family )
{
family++;
full++;
}
root->style_name = ( *full == ' ' ? full + 1
: (char *)"Regular" );
}
else
root->style_name = (char *)"Regular";
}
else
{
/* do we have a `/FontName'? */
if ( face->type1.font_name )
{
root->family_name = face->type1.font_name;
root->style_name = (char *)"Regular";
}
}
/* compute style flags */
root->style_flags = 0;
if ( face->type1.font_info.italic_angle )
root->style_flags |= FT_STYLE_FLAG_ITALIC;
if ( face->type1.font_info.weight )
{
if ( !strcmp( face->type1.font_info.weight, "Bold" ) ||
!strcmp( face->type1.font_info.weight, "Black" ) )
root->style_flags |= FT_STYLE_FLAG_BOLD;
}
/* no embedded bitmap support */
root->num_fixed_sizes = 0;
root->available_sizes = 0;
root->bbox.xMin = face->type1.font_bbox.xMin >> 16;
root->bbox.yMin = face->type1.font_bbox.yMin >> 16;
root->bbox.xMax = (face->type1.font_bbox.xMax + 0xFFFFU) >> 16;
root->bbox.yMax = (face->type1.font_bbox.yMax + 0xFFFFU) >> 16;
/* Set units_per_EM if we didn't set it in parse_font_matrix. */
if ( !root->units_per_EM )
root->units_per_EM = 1000;
root->ascender = (FT_Short)( root->bbox.yMax );
root->descender = (FT_Short)( root->bbox.yMin );
root->height = (FT_Short)(
( ( root->ascender - root->descender ) * 12 ) / 10 );
/* now compute the maximum advance width */
root->max_advance_width =
(FT_Short)( root->bbox.xMax );
{
FT_Int max_advance;
error = T1_Compute_Max_Advance( face, &max_advance );
/* in case of error, keep the standard width */
if ( !error )
root->max_advance_width = (FT_Short)max_advance;
else
error = 0; /* clear error */
}
root->max_advance_height = root->height;
root->underline_position = face->type1.font_info.underline_position;
root->underline_thickness = face->type1.font_info.underline_thickness;
root->internal->max_points = 0;
root->internal->max_contours = 0;
}
/* charmap support -- synthetize unicode charmap if possible */
{
FT_Face root = &face->root;
FT_CharMap charmap = face->charmaprecs;
/* synthesize a Unicode charmap if there is support in the `PSNames' */
/* module */
if ( psnames )
{
if ( psnames->unicode_value )
{
error = psnames->build_unicodes(
root->memory,
face->type1.num_glyphs,
(const char**)face->type1.glyph_names,
&face->unicode_map );
if ( !error )
{
root->charmap = charmap;
charmap->face = (FT_Face)face;
charmap->encoding = ft_encoding_unicode;
charmap->platform_id = 3;
charmap->encoding_id = 1;
charmap++;
}
/* simply clear the error in case of failure (which really) */
/* means that out of memory or no unicode glyph names */
error = T1_Err_Ok;
}
}
/* now, support either the standard, expert, or custom encoding */
charmap->face = (FT_Face)face;
charmap->platform_id = 7; /* a new platform id for Adobe fonts? */
switch ( face->type1.encoding_type )
{
case T1_ENCODING_TYPE_STANDARD:
charmap->encoding = ft_encoding_adobe_standard;
charmap->encoding_id = 0;
break;
case T1_ENCODING_TYPE_EXPORT:
charmap->encoding = ft_encoding_adobe_expert;
charmap->encoding_id = 1;
break;
case T1_ENCODING_TYPE_ARRAY:
charmap->encoding = ft_encoding_adobe_custom;
charmap->encoding_id = 2;
break;
case T1_ENCODING_TYPE_ISOLATIN1:
charmap->encoding = ft_encoding_latin_1;
charmap->encoding_id = 3;
break;
default:
FT_ERROR(( "T1_Face_Init: invalid encoding\n" ));
error = T1_Err_Invalid_File_Format;
goto Exit;
}
root->charmaps = face->charmaps;
root->num_charmaps = charmap - face->charmaprecs + 1;
face->charmaps[0] = &face->charmaprecs[0];
face->charmaps[1] = &face->charmaprecs[1];
}
Exit:
return error;
}
/*************************************************************************/
/* */
/* <Function> */
/* T1_Driver_Init */
/* */
/* <Description> */
/* Initializes a given Type 1 driver object. */
/* */
/* <Input> */
/* driver :: A handle to the target driver object. */
/* */
/* <Return> */
/* FreeType error code. 0 means success. */
/* */
FT_LOCAL_DEF( FT_Error )
T1_Driver_Init( T1_Driver driver )
{
FT_UNUSED( driver );
return T1_Err_Ok;
}
/*************************************************************************/
/* */
/* <Function> */
/* T1_Driver_Done */
/* */
/* <Description> */
/* Finalizes a given Type 1 driver. */
/* */
/* <Input> */
/* driver :: A handle to the target Type 1 driver. */
/* */
FT_LOCAL_DEF( void )
T1_Driver_Done( T1_Driver driver )
{
FT_UNUSED( driver );
}
/* END */
Reference in New Issue View Git Blame Copy Permalink