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path: root/src/freetype2/cff/cffdrivr.c
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Diffstat (limited to 'src/freetype2/cff/cffdrivr.c')
-rw-r--r--src/freetype2/cff/cffdrivr.c329
1 files changed, 260 insertions, 69 deletions
diff --git a/src/freetype2/cff/cffdrivr.c b/src/freetype2/cff/cffdrivr.c
index 952e88e..217adf2 100644
--- a/src/freetype2/cff/cffdrivr.c
+++ b/src/freetype2/cff/cffdrivr.c
@@ -4,7 +4,7 @@
/* */
/* OpenType font driver implementation (body). */
/* */
-/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007 by */
+/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -21,21 +21,25 @@
#include FT_INTERNAL_DEBUG_H
#include FT_INTERNAL_STREAM_H
#include FT_INTERNAL_SFNT_H
-#include FT_TRUETYPE_IDS_H
+#include FT_SERVICE_CID_H
#include FT_SERVICE_POSTSCRIPT_CMAPS_H
#include FT_SERVICE_POSTSCRIPT_INFO_H
+#include FT_SERVICE_POSTSCRIPT_NAME_H
#include FT_SERVICE_TT_CMAP_H
#include "cffdrivr.h"
#include "cffgload.h"
#include "cffload.h"
#include "cffcmap.h"
+#include "cffparse.h"
#include "cfferrs.h"
+#include "cffpic.h"
#include FT_SERVICE_XFREE86_NAME_H
#include FT_SERVICE_GLYPH_DICT_H
+
/*************************************************************************/
/* */
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
@@ -151,7 +155,7 @@
FT_UInt glyph_index,
FT_Int32 load_flags )
{
- FT_Error error;
+ FT_Error error;
CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot;
CFF_Size size = (CFF_Size)cffsize;
@@ -163,10 +167,10 @@
if ( !size )
load_flags |= FT_LOAD_NO_SCALE | FT_LOAD_NO_HINTING;
+ /* reset the size object if necessary */
if ( load_flags & FT_LOAD_NO_SCALE )
size = NULL;
- /* reset the size object if necessary */
if ( size )
{
/* these two objects must have the same parent */
@@ -184,10 +188,39 @@
}
- /*
- * GLYPH DICT SERVICE
- *
- */
+ FT_CALLBACK_DEF( FT_Error )
+ cff_get_advances( FT_Face face,
+ FT_UInt start,
+ FT_UInt count,
+ FT_Int32 flags,
+ FT_Fixed* advances )
+ {
+ FT_UInt nn;
+ FT_Error error = CFF_Err_Ok;
+ FT_GlyphSlot slot = face->glyph;
+
+
+ flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY;
+
+ for ( nn = 0; nn < count; nn++ )
+ {
+ error = Load_Glyph( slot, face->size, start + nn, flags );
+ if ( error )
+ break;
+
+ advances[nn] = ( flags & FT_LOAD_VERTICAL_LAYOUT )
+ ? slot->linearVertAdvance
+ : slot->linearHoriAdvance;
+ }
+
+ return error;
+ }
+
+
+ /*
+ * GLYPH DICT SERVICE
+ *
+ */
static FT_Error
cff_get_glyph_name( CFF_Face face,
@@ -206,10 +239,10 @@
FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );
if ( !psnames )
{
- FT_ERROR(( "cff_get_glyph_name:" ));
- FT_ERROR(( " cannot get glyph name from CFF & CEF fonts\n" ));
- FT_ERROR(( " " ));
- FT_ERROR(( " without the `PSNames' module\n" ));
+ FT_ERROR(( "cff_get_glyph_name:"
+ " cannot get glyph name from CFF & CEF fonts\n"
+ " "
+ " without the `PSNames' module\n" ));
error = CFF_Err_Unknown_File_Format;
goto Exit;
}
@@ -226,8 +259,8 @@
FT_FREE( gname );
error = CFF_Err_Ok;
- Exit:
- return error;
+ Exit:
+ return error;
}
@@ -277,17 +310,16 @@
}
- static const FT_Service_GlyphDictRec cff_service_glyph_dict =
- {
+ FT_DEFINE_SERVICE_GLYPHDICTREC(cff_service_glyph_dict,
(FT_GlyphDict_GetNameFunc) cff_get_glyph_name,
- (FT_GlyphDict_NameIndexFunc)cff_get_name_index,
- };
+ (FT_GlyphDict_NameIndexFunc)cff_get_name_index
+ )
- /*
- * POSTSCRIPT INFO SERVICE
- *
- */
+ /*
+ * POSTSCRIPT INFO SERVICE
+ *
+ */
static FT_Int
cff_ps_has_glyph_names( FT_Face face )
@@ -306,9 +338,10 @@
if ( cff && cff->font_info == NULL )
{
- CFF_FontRecDict dict = &cff->top_font.font_dict;
- PS_FontInfoRec *font_info;
- FT_Memory memory = face->root.memory;
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+ PS_FontInfoRec *font_info;
+ FT_Memory memory = face->root.memory;
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) )
@@ -316,19 +349,19 @@
font_info->version = cff_index_get_sid_string( &cff->string_index,
dict->version,
- cff->psnames );
+ psnames );
font_info->notice = cff_index_get_sid_string( &cff->string_index,
dict->notice,
- cff->psnames );
+ psnames );
font_info->full_name = cff_index_get_sid_string( &cff->string_index,
dict->full_name,
- cff->psnames );
+ psnames );
font_info->family_name = cff_index_get_sid_string( &cff->string_index,
dict->family_name,
- cff->psnames );
+ psnames );
font_info->weight = cff_index_get_sid_string( &cff->string_index,
dict->weight,
- cff->psnames );
+ psnames );
font_info->italic_angle = dict->italic_angle;
font_info->is_fixed_pitch = dict->is_fixed_pitch;
font_info->underline_position = (FT_Short)dict->underline_position;
@@ -337,19 +370,40 @@
cff->font_info = font_info;
}
- *afont_info = *cff->font_info;
+ if ( cff )
+ *afont_info = *cff->font_info;
Fail:
return error;
}
- static const FT_Service_PsInfoRec cff_service_ps_info =
- {
+ FT_DEFINE_SERVICE_PSINFOREC(cff_service_ps_info,
(PS_GetFontInfoFunc) cff_ps_get_font_info,
+ (PS_GetFontExtraFunc) NULL,
(PS_HasGlyphNamesFunc) cff_ps_has_glyph_names,
(PS_GetFontPrivateFunc)NULL /* unsupported with CFF fonts */
- };
+ )
+
+
+ /*
+ * POSTSCRIPT NAME SERVICE
+ *
+ */
+
+ static const char*
+ cff_get_ps_name( CFF_Face face )
+ {
+ CFF_Font cff = (CFF_Font)face->extra.data;
+
+
+ return (const char*)cff->font_name;
+ }
+
+
+ FT_DEFINE_SERVICE_PSFONTNAMEREC(cff_service_ps_name,
+ (FT_PsName_GetFunc)cff_get_ps_name
+ )
/*
@@ -368,15 +422,16 @@
{
FT_CMap cmap = FT_CMAP( charmap );
FT_Error error = CFF_Err_Ok;
+ FT_Face face = FT_CMAP_FACE( cmap );
+ FT_Library library = FT_FACE_LIBRARY( face );
cmap_info->language = 0;
+ cmap_info->format = 0;
- if ( cmap->clazz != &cff_cmap_encoding_class_rec &&
- cmap->clazz != &cff_cmap_unicode_class_rec )
+ if ( cmap->clazz != &FT_CFF_CMAP_ENCODING_CLASS_REC_GET &&
+ cmap->clazz != &FT_CFF_CMAP_UNICODE_CLASS_REC_GET )
{
- FT_Face face = FT_CMAP_FACE( cmap );
- FT_Library library = FT_FACE_LIBRARY( face );
FT_Module sfnt = FT_Get_Module( library, "sfnt" );
FT_Service_TTCMaps service =
(FT_Service_TTCMaps)ft_module_get_service( sfnt,
@@ -391,10 +446,143 @@
}
- static const FT_Service_TTCMapsRec cff_service_get_cmap_info =
- {
+ FT_DEFINE_SERVICE_TTCMAPSREC(cff_service_get_cmap_info,
(TT_CMap_Info_GetFunc)cff_get_cmap_info
- };
+ )
+
+
+ /*
+ * CID INFO SERVICE
+ *
+ */
+ static FT_Error
+ cff_get_ros( CFF_Face face,
+ const char* *registry,
+ const char* *ordering,
+ FT_Int *supplement )
+ {
+ FT_Error error = CFF_Err_Ok;
+ CFF_Font cff = (CFF_Font)face->extra.data;
+
+
+ if ( cff )
+ {
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+ FT_Service_PsCMaps psnames = (FT_Service_PsCMaps)cff->psnames;
+
+
+ if ( dict->cid_registry == 0xFFFFU )
+ {
+ error = CFF_Err_Invalid_Argument;
+ goto Fail;
+ }
+
+ if ( registry )
+ {
+ if ( cff->registry == NULL )
+ cff->registry = cff_index_get_sid_string( &cff->string_index,
+ dict->cid_registry,
+ psnames );
+ *registry = cff->registry;
+ }
+
+ if ( ordering )
+ {
+ if ( cff->ordering == NULL )
+ cff->ordering = cff_index_get_sid_string( &cff->string_index,
+ dict->cid_ordering,
+ psnames );
+ *ordering = cff->ordering;
+ }
+
+ /*
+ * XXX: According to Adobe TechNote #5176, the supplement in CFF
+ * can be a real number. We truncate it to fit public API
+ * since freetype-2.3.6.
+ */
+ if ( supplement )
+ {
+ if ( dict->cid_supplement < FT_INT_MIN ||
+ dict->cid_supplement > FT_INT_MAX )
+ FT_TRACE1(( "cff_get_ros: too large supplement %d is truncated\n",
+ dict->cid_supplement ));
+ *supplement = (FT_Int)dict->cid_supplement;
+ }
+ }
+
+ Fail:
+ return error;
+ }
+
+
+ static FT_Error
+ cff_get_is_cid( CFF_Face face,
+ FT_Bool *is_cid )
+ {
+ FT_Error error = CFF_Err_Ok;
+ CFF_Font cff = (CFF_Font)face->extra.data;
+
+
+ *is_cid = 0;
+
+ if ( cff )
+ {
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+
+
+ if ( dict->cid_registry != 0xFFFFU )
+ *is_cid = 1;
+ }
+
+ return error;
+ }
+
+
+ static FT_Error
+ cff_get_cid_from_glyph_index( CFF_Face face,
+ FT_UInt glyph_index,
+ FT_UInt *cid )
+ {
+ FT_Error error = CFF_Err_Ok;
+ CFF_Font cff;
+
+
+ cff = (CFF_Font)face->extra.data;
+
+ if ( cff )
+ {
+ FT_UInt c;
+ CFF_FontRecDict dict = &cff->top_font.font_dict;
+
+
+ if ( dict->cid_registry == 0xFFFFU )
+ {
+ error = CFF_Err_Invalid_Argument;
+ goto Fail;
+ }
+
+ if ( glyph_index > cff->num_glyphs )
+ {
+ error = CFF_Err_Invalid_Argument;
+ goto Fail;
+ }
+
+ c = cff->charset.sids[glyph_index];
+
+ if ( cid )
+ *cid = c;
+ }
+
+ Fail:
+ return error;
+ }
+
+
+ FT_DEFINE_SERVICE_CIDREC(cff_service_cid_info,
+ (FT_CID_GetRegistryOrderingSupplementFunc)cff_get_ros,
+ (FT_CID_GetIsInternallyCIDKeyedFunc) cff_get_is_cid,
+ (FT_CID_GetCIDFromGlyphIndexFunc) cff_get_cid_from_glyph_index
+ )
/*************************************************************************/
@@ -408,18 +596,24 @@
/*************************************************************************/
/*************************************************************************/
/*************************************************************************/
-
- static const FT_ServiceDescRec cff_services[] =
- {
- { FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF },
- { FT_SERVICE_ID_POSTSCRIPT_INFO, &cff_service_ps_info },
#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES
- { FT_SERVICE_ID_GLYPH_DICT, &cff_service_glyph_dict },
+ FT_DEFINE_SERVICEDESCREC6(cff_services,
+ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,
+ FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_GLYPH_DICT, &FT_CFF_SERVICE_GLYPH_DICT_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET,
+ FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET
+ )
+#else
+ FT_DEFINE_SERVICEDESCREC5(cff_services,
+ FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,
+ FT_SERVICE_ID_POSTSCRIPT_INFO, &FT_CFF_SERVICE_PS_INFO_GET,
+ FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &FT_CFF_SERVICE_PS_NAME_GET,
+ FT_SERVICE_ID_TT_CMAP, &FT_CFF_SERVICE_GET_CMAP_INFO_GET,
+ FT_SERVICE_ID_CID, &FT_CFF_SERVICE_CID_INFO_GET
+ )
#endif
- { FT_SERVICE_ID_TT_CMAP, &cff_service_get_cmap_info },
- { NULL, NULL }
- };
-
FT_CALLBACK_DEF( FT_Module_Interface )
cff_get_interface( FT_Module driver, /* CFF_Driver */
@@ -427,9 +621,11 @@
{
FT_Module sfnt;
FT_Module_Interface result;
+ FT_Library library = driver->library;
+ FT_UNUSED(library);
- result = ft_service_list_lookup( cff_services, module_interface );
+ result = ft_service_list_lookup( FT_CFF_SERVICES_GET, module_interface );
if ( result != NULL )
return result;
@@ -442,11 +638,13 @@
/* The FT_DriverInterface structure is defined in ftdriver.h. */
- FT_CALLBACK_TABLE_DEF
- const FT_Driver_ClassRec cff_driver_class =
- {
- /* begin with the FT_Module_Class fields */
- {
+#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
+#define CFF_SIZE_SELECT cff_size_select
+#else
+#define CFF_SIZE_SELECT 0
+#endif
+
+ FT_DEFINE_DRIVER(cff_driver_class,
FT_MODULE_FONT_DRIVER |
FT_MODULE_DRIVER_SCALABLE |
FT_MODULE_DRIVER_HAS_HINTER,
@@ -461,7 +659,6 @@
cff_driver_init,
cff_driver_done,
cff_get_interface,
- },
/* now the specific driver fields */
sizeof( TT_FaceRec ),
@@ -475,25 +672,19 @@
cff_slot_init,
cff_slot_done,
-#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
- ft_stub_set_char_sizes,
- ft_stub_set_pixel_sizes,
-#endif
+ ft_stub_set_char_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */
+ ft_stub_set_pixel_sizes, /* FT_CONFIG_OPTION_OLD_INTERNALS */
Load_Glyph,
cff_get_kerning,
0, /* FT_Face_AttachFunc */
- 0, /* FT_Face_GetAdvancesFunc */
+ cff_get_advances, /* FT_Face_GetAdvancesFunc */
cff_size_request,
-#ifdef TT_CONFIG_OPTION_EMBEDDED_BITMAPS
- cff_size_select
-#else
- 0 /* FT_Size_SelectFunc */
-#endif
- };
+ CFF_SIZE_SELECT
+ )
/* END */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-01 20:06:56 +0000