*
* High-level SFNT driver interface (body).
*
- * Copyright (C) 1996-2020 by
+ * Copyright (C) 1996-2023 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
#include "ttcpal.h"
#endif
+#ifdef FT_CONFIG_OPTION_SVG
+#include "ttsvg.h"
+#endif
+
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
#include "ttpost.h"
#endif
*
*/
- static void*
- get_sfnt_table( TT_Face face,
+ FT_CALLBACK_DEF( FT_Error )
+ sfnt_load_table( FT_Face face, /* TT_Face */
+ FT_ULong tag,
+ FT_Long offset,
+ FT_Byte* buffer,
+ FT_ULong* length )
+ {
+ TT_Face ttface = (TT_Face)face;
+
+
+ return tt_face_load_any( ttface, tag, offset, buffer, length );
+ }
+
+
+ FT_CALLBACK_DEF( void* )
+ get_sfnt_table( FT_Face face, /* TT_Face */
FT_Sfnt_Tag tag )
{
+ TT_Face ttface = (TT_Face)face;
+
void* table;
switch ( tag )
{
case FT_SFNT_HEAD:
- table = &face->header;
+ table = &ttface->header;
break;
case FT_SFNT_HHEA:
- table = &face->horizontal;
+ table = &ttface->horizontal;
break;
case FT_SFNT_VHEA:
- table = face->vertical_info ? &face->vertical : NULL;
+ table = ttface->vertical_info ? &ttface->vertical : NULL;
break;
case FT_SFNT_OS2:
- table = ( face->os2.version == 0xFFFFU ) ? NULL : &face->os2;
+ table = ( ttface->os2.version == 0xFFFFU ) ? NULL : &ttface->os2;
break;
case FT_SFNT_POST:
- table = &face->postscript;
+ table = &ttface->postscript;
break;
case FT_SFNT_MAXP:
- table = &face->max_profile;
+ table = &ttface->max_profile;
break;
case FT_SFNT_PCLT:
- table = face->pclt.Version ? &face->pclt : NULL;
+ table = ttface->pclt.Version ? &ttface->pclt : NULL;
break;
default:
}
- static FT_Error
- sfnt_table_info( TT_Face face,
+ FT_CALLBACK_DEF( FT_Error )
+ sfnt_table_info( FT_Face face, /* TT_Face */
FT_UInt idx,
FT_ULong *tag,
FT_ULong *offset,
FT_ULong *length )
{
+ TT_Face ttface = (TT_Face)face;
+
+
if ( !offset || !length )
return FT_THROW( Invalid_Argument );
if ( !tag )
- *length = face->num_tables;
+ *length = ttface->num_tables;
else
{
- if ( idx >= face->num_tables )
+ if ( idx >= ttface->num_tables )
return FT_THROW( Table_Missing );
- *tag = face->dir_tables[idx].Tag;
- *offset = face->dir_tables[idx].Offset;
- *length = face->dir_tables[idx].Length;
+ *tag = ttface->dir_tables[idx].Tag;
+ *offset = ttface->dir_tables[idx].Offset;
+ *length = ttface->dir_tables[idx].Length;
}
return FT_Err_Ok;
FT_DEFINE_SERVICE_SFNT_TABLEREC(
sfnt_service_sfnt_table,
- (FT_SFNT_TableLoadFunc)tt_face_load_any, /* load_table */
- (FT_SFNT_TableGetFunc) get_sfnt_table, /* get_table */
- (FT_SFNT_TableInfoFunc)sfnt_table_info /* table_info */
+ sfnt_load_table, /* FT_SFNT_TableLoadFunc load_table */
+ get_sfnt_table, /* FT_SFNT_TableGetFunc get_table */
+ sfnt_table_info /* FT_SFNT_TableInfoFunc table_info */
)
*
*/
- static FT_Error
+ FT_CALLBACK_DEF( FT_Error )
sfnt_get_glyph_name( FT_Face face,
FT_UInt glyph_index,
FT_Pointer buffer,
}
- static FT_UInt
+ FT_CALLBACK_DEF( FT_UInt )
sfnt_get_name_index( FT_Face face,
const FT_String* glyph_name )
{
FT_DEFINE_SERVICE_GLYPHDICTREC(
sfnt_service_glyph_dict,
- (FT_GlyphDict_GetNameFunc) sfnt_get_glyph_name, /* get_name */
- (FT_GlyphDict_NameIndexFunc)sfnt_get_name_index /* name_index */
+ sfnt_get_glyph_name, /* FT_GlyphDict_GetNameFunc get_name */
+ sfnt_get_name_index /* FT_GlyphDict_NameIndexFunc name_index */
)
#endif /* TT_CONFIG_OPTION_POSTSCRIPT_NAMES */
{
case 15:
k4 ^= (FT_UInt32)tail[14] << 16;
- /* fall through */
+ FALL_THROUGH;
case 14:
k4 ^= (FT_UInt32)tail[13] << 8;
- /* fall through */
+ FALL_THROUGH;
case 13:
k4 ^= (FT_UInt32)tail[12];
k4 *= c4;
k4 = ROTL32( k4, 18 );
k4 *= c1;
h4 ^= k4;
- /* fall through */
+ FALL_THROUGH;
case 12:
k3 ^= (FT_UInt32)tail[11] << 24;
- /* fall through */
+ FALL_THROUGH;
case 11:
k3 ^= (FT_UInt32)tail[10] << 16;
- /* fall through */
+ FALL_THROUGH;
case 10:
k3 ^= (FT_UInt32)tail[9] << 8;
- /* fall through */
+ FALL_THROUGH;
case 9:
k3 ^= (FT_UInt32)tail[8];
k3 *= c3;
k3 = ROTL32( k3, 17 );
k3 *= c4;
h3 ^= k3;
- /* fall through */
+ FALL_THROUGH;
case 8:
k2 ^= (FT_UInt32)tail[7] << 24;
- /* fall through */
+ FALL_THROUGH;
case 7:
k2 ^= (FT_UInt32)tail[6] << 16;
- /* fall through */
+ FALL_THROUGH;
case 6:
k2 ^= (FT_UInt32)tail[5] << 8;
- /* fall through */
+ FALL_THROUGH;
case 5:
k2 ^= (FT_UInt32)tail[4];
k2 *= c2;
k2 = ROTL32( k2, 16 );
k2 *= c3;
h2 ^= k2;
- /* fall through */
+ FALL_THROUGH;
case 4:
k1 ^= (FT_UInt32)tail[3] << 24;
- /* fall through */
+ FALL_THROUGH;
case 3:
k1 ^= (FT_UInt32)tail[2] << 16;
- /* fall through */
+ FALL_THROUGH;
case 2:
k1 ^= (FT_UInt32)tail[1] << 8;
- /* fall through */
+ FALL_THROUGH;
case 1:
k1 ^= (FT_UInt32)tail[0];
k1 *= c1;
char_type_func char_type,
FT_Bool report_invalid_characters )
{
- FT_Error error = FT_Err_Ok;
+ FT_Error error;
char* result = NULL;
FT_String* r;
FT_Char* p;
FT_UInt len;
- FT_UNUSED( error );
-
- if ( FT_ALLOC( result, entry->stringLength / 2 + 1 ) )
+ if ( FT_QALLOC( result, entry->stringLength / 2 + 1 ) )
return NULL;
if ( FT_STREAM_SEEK( entry->stringOffset ) ||
FT_TRACE0(( "get_win_string:"
" Character 0x%X invalid in PS name string\n",
((unsigned)p[0])*256 + (unsigned)p[1] ));
- break;
+ continue;
}
}
- if ( !len )
- *r = '\0';
+ *r = '\0';
FT_FRAME_EXIT();
- if ( !len )
+ if ( r != result )
return result;
get_win_string_error:
char_type_func char_type,
FT_Bool report_invalid_characters )
{
- FT_Error error = FT_Err_Ok;
+ FT_Error error;
char* result = NULL;
FT_String* r;
FT_Char* p;
FT_UInt len;
- FT_UNUSED( error );
-
- if ( FT_ALLOC( result, entry->stringLength + 1 ) )
+ if ( FT_QALLOC( result, entry->stringLength + 1 ) )
return NULL;
if ( FT_STREAM_SEEK( entry->stringOffset ) ||
FT_TRACE0(( "get_apple_string:"
" Character `%c' (0x%X) invalid in PS name string\n",
*p, *p ));
- break;
+ continue;
}
}
- if ( !len )
- *r = '\0';
+ *r = '\0';
FT_FRAME_EXIT();
- if ( !len )
+ if ( r != result )
return result;
get_apple_string_error:
}
- static FT_Bool
+ FT_CALLBACK_DEF( FT_Bool )
sfnt_get_name_id( TT_Face face,
FT_UShort id,
FT_Int *win,
/*
- * Find the shortest decimal representation of a 16.16 fixed point
+ * Find the shortest decimal representation of a 16.16 fixed-point
* number. The function fills `buf' with the result, returning a pointer
* to the position after the representation's last byte.
*/
an equivalent representation of `fixed'.
The above FOR loop always finds the larger of the two values; I
- verified this by iterating over all possible fixed point numbers.
+ verified this by iterating over all possible fixed-point numbers.
If the remainder is 17232*10, both values are equally good, and we
take the next even number (following IEEE 754's `round to nearest,
If the remainder is smaller than 17232*10, the lower of the two
numbers is nearer to the exact result (values 17232 and 34480 were
- also found by testing all possible fixed point values).
+ also found by testing all possible fixed-point values).
We use this to find a shorter decimal representation. If not ending
with digit zero, we take the representation with less error.
if ( !found )
{
- /* as a last resort we try the family name; note that this is */
- /* not in the Adobe TechNote, but GX fonts (which predate the */
- /* TechNote) benefit from this behaviour */
+ /* according to the 'name' documentation in the OpenType */
+ /* specification the font family name is to be used if the */
+ /* typographic family name is missing, so let's do that */
found = sfnt_get_name_id( face,
TT_NAME_ID_FONT_FAMILY,
&win,
{
FT_TRACE0(( "sfnt_get_var_ps_name:"
" No valid PS name prefix for font instances found\n" ));
+ /* XXX It probably makes sense to never let this fail */
+ /* since an arbitrary prefix should work, too. */
+ /* On the other hand, it is very unlikely that */
+ /* we ever reach this code at all. */
return NULL;
}
result[len] = '\0';
FT_TRACE0(( "sfnt_get_var_ps_name:"
- " Shortening variation PS name prefix\n"
- " "
+ " Shortening variation PS name prefix\n" ));
+ FT_TRACE0(( " "
" to %d characters\n", len ));
}
if ( !subfamily_name )
{
FT_TRACE1(( "sfnt_get_var_ps_name:"
- " can't construct named instance PS name;\n"
- " "
+ " can't construct named instance PS name;\n" ));
+ FT_TRACE1(( " "
" trying to construct normal instance PS name\n" ));
goto construct_instance_name;
}
/* after the prefix we have character `-' followed by the */
/* subfamily name (using only characters a-z, A-Z, and 0-9) */
- if ( FT_ALLOC( result, face->var_postscript_prefix_len +
- 1 + ft_strlen( subfamily_name ) + 1 ) )
+ if ( FT_QALLOC( result, face->var_postscript_prefix_len +
+ 1 + ft_strlen( subfamily_name ) + 1 ) )
return NULL;
ft_strcpy( result, face->var_postscript_prefix );
construct_instance_name:
axis = mm_var->axis;
- if ( FT_ALLOC( result,
- face->var_postscript_prefix_len +
- num_coords * MAX_VALUE_DESCRIPTOR_LEN + 1 ) )
+ if ( FT_QALLOC( result,
+ face->var_postscript_prefix_len +
+ num_coords * MAX_VALUE_DESCRIPTOR_LEN + 1 ) )
return NULL;
p = result;
if ( t != ' ' && ft_isalnum( t ) )
*p++ = t;
}
+ *p++ = '\0';
}
check_length:
#endif /* TT_CONFIG_OPTION_GX_VAR_SUPPORT */
- static const char*
- sfnt_get_ps_name( TT_Face face )
+ FT_CALLBACK_DEF( const char* )
+ sfnt_get_ps_name( FT_Face face ) /* TT_Face */
{
+ TT_Face ttface = (TT_Face)face;
+
FT_Int found, win, apple;
const char* result = NULL;
- if ( face->postscript_name )
- return face->postscript_name;
+ if ( ttface->postscript_name )
+ return ttface->postscript_name;
#ifdef TT_CONFIG_OPTION_GX_VAR_SUPPORT
- if ( face->blend &&
- ( FT_IS_NAMED_INSTANCE( FT_FACE( face ) ) ||
- FT_IS_VARIATION( FT_FACE( face ) ) ) )
+ if ( ttface->blend &&
+ ( FT_IS_NAMED_INSTANCE( face ) ||
+ FT_IS_VARIATION( face ) ) )
{
- face->postscript_name = sfnt_get_var_ps_name( face );
- return face->postscript_name;
+ ttface->postscript_name = sfnt_get_var_ps_name( ttface );
+ return ttface->postscript_name;
}
#endif
/* scan the name table to see whether we have a Postscript name here, */
/* either in Macintosh or Windows platform encodings */
- found = sfnt_get_name_id( face, TT_NAME_ID_PS_NAME, &win, &apple );
+ found = sfnt_get_name_id( ttface, TT_NAME_ID_PS_NAME, &win, &apple );
if ( !found )
return NULL;
/* prefer Windows entries over Apple */
if ( win != -1 )
- result = get_win_string( face->root.memory,
- face->name_table.stream,
- face->name_table.names + win,
+ result = get_win_string( FT_FACE_MEMORY( face ),
+ ttface->name_table.stream,
+ ttface->name_table.names + win,
sfnt_is_postscript,
1 );
if ( !result && apple != -1 )
- result = get_apple_string( face->root.memory,
- face->name_table.stream,
- face->name_table.names + apple,
+ result = get_apple_string( FT_FACE_MEMORY( face ),
+ ttface->name_table.stream,
+ ttface->name_table.names + apple,
sfnt_is_postscript,
1 );
- face->postscript_name = result;
+ ttface->postscript_name = result;
return result;
}
FT_DEFINE_SERVICE_PSFONTNAMEREC(
sfnt_service_ps_name,
- (FT_PsName_GetFunc)sfnt_get_ps_name /* get_ps_font_name */
+ sfnt_get_ps_name /* FT_PsName_GetFunc get_ps_font_name */
)
FT_DEFINE_SERVICE_TTCMAPSREC(
tt_service_get_cmap_info,
- (TT_CMap_Info_GetFunc)tt_get_cmap_info /* get_cmap_info */
+ tt_get_cmap_info /* TT_CMap_Info_GetFunc get_cmap_info */
)
#ifdef TT_CONFIG_OPTION_BDF
static FT_Error
- sfnt_get_charset_id( TT_Face face,
+ sfnt_get_charset_id( FT_Face face,
const char* *acharset_encoding,
const char* *acharset_registry )
{
FT_DEFINE_SERVICE_BDFRec(
sfnt_service_bdf,
- (FT_BDF_GetCharsetIdFunc)sfnt_get_charset_id, /* get_charset_id */
- (FT_BDF_GetPropertyFunc) tt_face_find_bdf_prop /* get_property */
+ sfnt_get_charset_id, /* FT_BDF_GetCharsetIdFunc get_charset_id */
+ tt_face_find_bdf_prop /* FT_BDF_GetPropertyFunc get_property */
)
#define PUT_COLOR_LAYERS( a ) NULL
#endif
+#ifdef FT_CONFIG_OPTION_SVG
+#define PUT_SVG_SUPPORT( a ) a
+#else
+#define PUT_SVG_SUPPORT( a ) NULL
+#endif
+
+#define PUT_COLOR_LAYERS_V1( a ) PUT_COLOR_LAYERS( a )
+
#ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
#define PUT_PS_NAMES( a ) a
#else
/* TT_Free_Table_Func free_eblc */
PUT_EMBEDDED_BITMAPS( tt_face_set_sbit_strike ),
- /* TT_Set_SBit_Strike_Func set_sbit_strike */
+ /* TT_Set_SBit_Strike_Func set_sbit_strike */
PUT_EMBEDDED_BITMAPS( tt_face_load_strike_metrics ),
- /* TT_Load_Strike_Metrics_Func load_strike_metrics */
+ /* TT_Load_Strike_Metrics_Func load_strike_metrics */
PUT_COLOR_LAYERS( tt_face_load_cpal ),
/* TT_Load_Table_Func load_cpal */
/* TT_Set_Palette_Func set_palette */
PUT_COLOR_LAYERS( tt_face_get_colr_layer ),
/* TT_Get_Colr_Layer_Func get_colr_layer */
+
+ PUT_COLOR_LAYERS_V1( tt_face_get_colr_glyph_paint ),
+ /* TT_Get_Color_Glyph_Paint_Func get_colr_glyph_paint */
+ PUT_COLOR_LAYERS_V1( tt_face_get_color_glyph_clipbox ),
+ /* TT_Get_Color_Glyph_ClipBox_Func get_clipbox */
+ PUT_COLOR_LAYERS_V1( tt_face_get_paint_layers ),
+ /* TT_Get_Paint_Layers_Func get_paint_layers */
+ PUT_COLOR_LAYERS_V1( tt_face_get_colorline_stops ),
+ /* TT_Get_Paint get_paint */
+ PUT_COLOR_LAYERS_V1( tt_face_get_paint ),
+ /* TT_Get_Colorline_Stops_Func get_colorline_stops */
+
PUT_COLOR_LAYERS( tt_face_colr_blend_layer ),
/* TT_Blend_Colr_Func colr_blend */
tt_face_get_metrics, /* TT_Get_Metrics_Func get_metrics */
tt_face_get_name, /* TT_Get_Name_Func get_name */
- sfnt_get_name_id /* TT_Get_Name_ID_Func get_name_id */
+ sfnt_get_name_id, /* TT_Get_Name_ID_Func get_name_id */
+
+ PUT_SVG_SUPPORT( tt_face_load_svg ),
+ /* TT_Load_Table_Func load_svg */
+ PUT_SVG_SUPPORT( tt_face_free_svg ),
+ /* TT_Free_Table_Func free_svg */
+ PUT_SVG_SUPPORT( tt_face_load_svg_doc )
+ /* TT_Load_Svg_Doc_Func load_svg_doc */
)
(const void*)&sfnt_interface, /* module specific interface */
- (FT_Module_Constructor)NULL, /* module_init */
- (FT_Module_Destructor) NULL, /* module_done */
- (FT_Module_Requester) sfnt_get_interface /* get_interface */
+ NULL, /* FT_Module_Constructor module_init */
+ NULL, /* FT_Module_Destructor module_done */
+ sfnt_get_interface /* FT_Module_Requester get_interface */
)
projects / platform / upstream / freetype2.git / blobdiff