core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c - Issue 815103002: Update freetype to 2.5.4.

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c

Issue 815103002: Update freetype to 2.5.4. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master

Patch Set: Adjust GYP and GN Created 6 years ago

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Index: core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c

deleted file mode 100644

index 84f305c90adaaf4d5fd7c6ef30884c5fcfd9a380..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/cff/cffdrivr.c

+++ /dev/null

@@ -1,787 +0,0 @@

-/***************************************************************************/

-/* */

-/* cffdrivr.c */

-/* */

-/* OpenType font driver implementation (body). */

-/* */

-/* 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 "../../include/ft2build.h"

-#include "../../include/freetype/freetype.h"

-#include "../../include/freetype/internal/ftdebug.h"

-#include "../../include/freetype/internal/ftstream.h"

-#include "../../include/freetype/internal/sfnt.h"

-#include "../../include/freetype/internal/services/svcid.h"

-#include "../../include/freetype/internal/services/svpsinfo.h"

-#include "../../include/freetype/internal/services/svpostnm.h"

-#include "../../include/freetype/internal/services/svttcmap.h"

-#include "cffdrivr.h"

-#include "cffgload.h"

-#include "cffload.h"

-#include "cffcmap.h"

-#include "cffparse.h"

-#include "cfferrs.h"

-#include "cffpic.h"

-#include "../../include/freetype/internal/services/svxf86nm.h"

-#include "../../include/freetype/internal/services/svgldict.h"

-#include "../../include/freetype/internal/services/svprop.h"

-#include "../../include/freetype/ftcffdrv.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_cffdriver

- /*************************************************************************/

- /**** ****/

- /**** F A C E S ****/

- /**** ****/

- /*************************************************************************/

-#undef PAIR_TAG

-#define PAIR_TAG( left, right ) ( ( (FT_ULong)left << 16 ) | \

- (FT_ULong)right )

- /*************************************************************************/

- /* */

- /* <Function> */

- /* cff_get_kerning */

- /* */

- /* <Description> */

- /* A driver method used to return the kerning vector between two */

- /* glyphs of the same face. */

- /* */

- /* <Input> */

- /* face :: A handle to the source face object. */

- /* */

- /* left_glyph :: The index of the left glyph in the kern pair. */

- /* */

- /* right_glyph :: The index of the right glyph in the kern pair. */

- /* */

- /* <Output> */

- /* kerning :: The kerning vector. This is in font units for */

- /* scalable formats, and in pixels for fixed-sizes */

- /* formats. */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- /* <Note> */

- /* Only horizontal layouts (left-to-right & right-to-left) are */

- /* supported by this function. Other layouts, or more sophisticated */

- /* kernings, are out of scope of this method (the basic driver */

- /* interface is meant to be simple). */

- /* */

- /* They can be implemented by format-specific interfaces. */

- /* */

- FT_CALLBACK_DEF( FT_Error )

- cff_get_kerning( FT_Face ttface, /* TT_Face */

- FT_UInt left_glyph,

- FT_UInt right_glyph,

- FT_Vector* kerning )

- {

- TT_Face face = (TT_Face)ttface;

- SFNT_Service sfnt = (SFNT_Service)face->sfnt;

- kerning->x = 0;

- kerning->y = 0;

- if ( sfnt )

- kerning->x = sfnt->get_kerning( face, left_glyph, right_glyph );

- return FT_Err_Ok;

- }

-#undef PAIR_TAG

- /*************************************************************************/

- /* */

- /* <Function> */

- /* cff_glyph_load */

- /* */

- /* <Description> */

- /* A driver method used to load a glyph within a given glyph slot. */

- /* */

- /* <Input> */

- /* slot :: A handle to the target slot object where the glyph */

- /* will be loaded. */

- /* */

- /* size :: A handle to the source face size at which the glyph */

- /* must be scaled, loaded, etc. */

- /* */

- /* glyph_index :: The index of the glyph in the font file. */

- /* */

- /* load_flags :: A flag indicating what to load for this glyph. The */

- /* FT_LOAD_??? constants can be used to control the */

- /* glyph loading process (e.g., whether the outline */

- /* should be scaled, whether to load bitmaps or not, */

- /* whether to hint the outline, etc). */

- /* */

- /* <Return> */

- /* FreeType error code. 0 means success. */

- /* */

- FT_CALLBACK_DEF( FT_Error )

- cff_glyph_load( FT_GlyphSlot cffslot, /* CFF_GlyphSlot */

- FT_Size cffsize, /* CFF_Size */

- FT_UInt glyph_index,

- FT_Int32 load_flags )

- {

- FT_Error error;

- CFF_GlyphSlot slot = (CFF_GlyphSlot)cffslot;

- CFF_Size size = (CFF_Size)cffsize;

- if ( !slot )

- return FT_THROW( Invalid_Slot_Handle );

- /* check whether we want a scaled outline or bitmap */

- 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;

- if ( size )

- {

- /* these two objects must have the same parent */

- if ( cffsize->face != cffslot->face )

- return FT_THROW( Invalid_Face_Handle );

- }

- /* now load the glyph outline if necessary */

- error = cff_slot_load( slot, size, glyph_index, load_flags );

- /* force drop-out mode to 2 - irrelevant now */

- /* slot->outline.dropout_mode = 2; */

- return error;

- }

- 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 = FT_Err_Ok;

- FT_GlyphSlot slot = face->glyph;

- flags |= (FT_UInt32)FT_LOAD_ADVANCE_ONLY;

- for ( nn = 0; nn < count; nn++ )

- {

- error = cff_glyph_load( 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,

- FT_UInt glyph_index,

- FT_Pointer buffer,

- FT_UInt buffer_max )

- {

- CFF_Font font = (CFF_Font)face->extra.data;

- FT_String* gname;

- FT_UShort sid;

- FT_Error error;

- if ( !font->psnames )

- {

- FT_ERROR(( "cff_get_glyph_name:"

- " cannot get glyph name from CFF & CEF fonts\n"

- " "

- " without the `PSNames' module\n" ));

- error = FT_THROW( Missing_Module );

- goto Exit;

- }

- /* first, locate the sid in the charset table */

- sid = font->charset.sids[glyph_index];

- /* now, lookup the name itself */

- gname = cff_index_get_sid_string( font, sid );

- if ( gname )

- FT_STRCPYN( buffer, gname, buffer_max );

- error = FT_Err_Ok;

- Exit:

- return error;

- }

- static FT_UInt

- cff_get_name_index( CFF_Face face,

- FT_String* glyph_name )

- {

- CFF_Font cff;

- CFF_Charset charset;

- FT_Service_PsCMaps psnames;

- FT_String* name;

- FT_UShort sid;

- FT_UInt i;

- cff = (CFF_FontRec *)face->extra.data;

- charset = &cff->charset;

- FT_FACE_FIND_GLOBAL_SERVICE( face, psnames, POSTSCRIPT_CMAPS );

- if ( !psnames )

- return 0;

- for ( i = 0; i < cff->num_glyphs; i++ )

- {

- sid = charset->sids[i];

- if ( sid > 390 )

- name = cff_index_get_string( cff, sid - 391 );

- else

- name = (FT_String *)psnames->adobe_std_strings( sid );

- if ( !name )

- continue;

- if ( !ft_strcmp( glyph_name, name ) )

- return i;

- }

- return 0;

- }

- FT_DEFINE_SERVICE_GLYPHDICTREC(

- cff_service_glyph_dict,

- (FT_GlyphDict_GetNameFunc) cff_get_glyph_name,

- (FT_GlyphDict_NameIndexFunc)cff_get_name_index

- )

- /*

- * POSTSCRIPT INFO SERVICE

- *

- */

- static FT_Int

- cff_ps_has_glyph_names( FT_Face face )

- {

- return ( face->face_flags & FT_FACE_FLAG_GLYPH_NAMES ) > 0;

- }

- static FT_Error

- cff_ps_get_font_info( CFF_Face face,

- PS_FontInfoRec* afont_info )

- {

- CFF_Font cff = (CFF_Font)face->extra.data;

- FT_Error error = FT_Err_Ok;

- if ( cff && cff->font_info == NULL )

- {

- CFF_FontRecDict dict = &cff->top_font.font_dict;

- PS_FontInfoRec *font_info = NULL;

- FT_Memory memory = face->root.memory;

- if ( FT_ALLOC( font_info, sizeof ( *font_info ) ) )

- goto Fail;

- font_info->version = cff_index_get_sid_string( cff,

- dict->version );

- font_info->notice = cff_index_get_sid_string( cff,

- dict->notice );

- font_info->full_name = cff_index_get_sid_string( cff,

- dict->full_name );

- font_info->family_name = cff_index_get_sid_string( cff,

- dict->family_name );

- font_info->weight = cff_index_get_sid_string( cff,

- dict->weight );

- 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;

- font_info->underline_thickness = (FT_Short)dict->underline_thickness;

- cff->font_info = font_info;

- }

- if ( cff )

- *afont_info = *cff->font_info;

- Fail:

- return error;

- }

- 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 */

- (PS_GetFontValueFunc) NULL /* not implemented */

- )

- /*

- * 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

- )

- /*

- * TT CMAP INFO

- *

- * If the charmap is a synthetic Unicode encoding cmap or

- * a Type 1 standard (or expert) encoding cmap, hide TT CMAP INFO

- * service defined in SFNT module.

- *

- * Otherwise call the service function in the sfnt module.

- *

- */

- static FT_Error

- cff_get_cmap_info( FT_CharMap charmap,

- TT_CMapInfo *cmap_info )

- {

- FT_CMap cmap = FT_CMAP( charmap );

- FT_Error error = FT_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_GET &&

- cmap->clazz != &CFF_CMAP_UNICODE_CLASS_REC_GET )

- {

- FT_Module sfnt = FT_Get_Module( library, "sfnt" );

- FT_Service_TTCMaps service =

- (FT_Service_TTCMaps)ft_module_get_service( sfnt,

- FT_SERVICE_ID_TT_CMAP );

- if ( service && service->get_cmap_info )

- error = service->get_cmap_info( charmap, cmap_info );

- }

- return error;

- }

- 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 = FT_Err_Ok;

- CFF_Font cff = (CFF_Font)face->extra.data;

- if ( cff )

- {

- CFF_FontRecDict dict = &cff->top_font.font_dict;

- if ( dict->cid_registry == 0xFFFFU )

- {

- error = FT_THROW( Invalid_Argument );

- goto Fail;

- }

- if ( registry )

- {

- if ( cff->registry == NULL )

- cff->registry = cff_index_get_sid_string( cff,

- dict->cid_registry );

- *registry = cff->registry;

- }

- if ( ordering )

- {

- if ( cff->ordering == NULL )

- cff->ordering = cff_index_get_sid_string( cff,

- dict->cid_ordering );

- *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 = FT_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 = FT_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 = FT_THROW( Invalid_Argument );

- goto Fail;

- }

- if ( glyph_index > cff->num_glyphs )

- {

- error = FT_THROW( 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

- )

- /*

- * PROPERTY SERVICE

- *

- */

- static FT_Error

- cff_property_set( FT_Module module, /* CFF_Driver */

- const char* property_name,

- const void* value )

- {

- FT_Error error = FT_Err_Ok;

- CFF_Driver driver = (CFF_Driver)module;

- if ( !ft_strcmp( property_name, "hinting-engine" ) )

- {

- FT_UInt* hinting_engine = (FT_UInt*)value;

-#ifndef CFF_CONFIG_OPTION_OLD_ENGINE

- if ( *hinting_engine != FT_CFF_HINTING_ADOBE )

- error = FT_ERR( Unimplemented_Feature );

- else

-#endif

- driver->hinting_engine = *hinting_engine;

- return error;

- }

- else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )

- {

- FT_Bool* no_stem_darkening = (FT_Bool*)value;

- driver->no_stem_darkening = *no_stem_darkening;

- return error;

- }

- FT_TRACE0(( "cff_property_set: missing property `%s'\n",

- property_name ));

- return FT_THROW( Missing_Property );

- }

- static FT_Error

- cff_property_get( FT_Module module, /* CFF_Driver */

- const char* property_name,

- const void* value )

- {

- FT_Error error = FT_Err_Ok;

- CFF_Driver driver = (CFF_Driver)module;

- FT_UInt hinting_engine = driver->hinting_engine;

- FT_Bool no_stem_darkening = driver->no_stem_darkening;

- if ( !ft_strcmp( property_name, "hinting-engine" ) )

- {

- FT_UInt* val = (FT_UInt*)value;

- *val = hinting_engine;

- return error;

- }

- else if ( !ft_strcmp( property_name, "no-stem-darkening" ) )

- {

- FT_Bool* val = (FT_Bool*)value;

- *val = no_stem_darkening;

- return error;

- }

- FT_TRACE0(( "cff_property_get: missing property `%s'\n",

- property_name ));

- return FT_THROW( Missing_Property );

- }

- FT_DEFINE_SERVICE_PROPERTIESREC(

- cff_service_properties,

- (FT_Properties_SetFunc)cff_property_set,

- (FT_Properties_GetFunc)cff_property_get )

- /*************************************************************************/

- /**** ****/

- /**** D R I V E R I N T E R F A C E ****/

- /**** ****/

- /*************************************************************************/

-#ifndef FT_CONFIG_OPTION_NO_GLYPH_NAMES

- FT_DEFINE_SERVICEDESCREC7(

- cff_services,

- FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,

- FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET,

- FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET,

- FT_SERVICE_ID_GLYPH_DICT, &CFF_SERVICE_GLYPH_DICT_GET,

- FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET,

- FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET,

- FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET

- )

-#else

- FT_DEFINE_SERVICEDESCREC6(

- cff_services,

- FT_SERVICE_ID_XF86_NAME, FT_XF86_FORMAT_CFF,

- FT_SERVICE_ID_POSTSCRIPT_INFO, &CFF_SERVICE_PS_INFO_GET,

- FT_SERVICE_ID_POSTSCRIPT_FONT_NAME, &CFF_SERVICE_PS_NAME_GET,

- FT_SERVICE_ID_TT_CMAP, &CFF_SERVICE_GET_CMAP_INFO_GET,

- FT_SERVICE_ID_CID, &CFF_SERVICE_CID_INFO_GET,

- FT_SERVICE_ID_PROPERTIES, &CFF_SERVICE_PROPERTIES_GET

- )

-#endif

- FT_CALLBACK_DEF( FT_Module_Interface )

- cff_get_interface( FT_Module driver, /* CFF_Driver */

- const char* module_interface )

- {

- FT_Library library;

- FT_Module sfnt;

- FT_Module_Interface result;

- /* CFF_SERVICES_GET derefers `library' in PIC mode */

-#ifdef FT_CONFIG_OPTION_PIC

- if ( !driver )

- return NULL;

- library = driver->library;

- if ( !library )

- return NULL;

-#endif

- result = ft_service_list_lookup( CFF_SERVICES_GET, module_interface );

- if ( result != NULL )

- return result;

- /* `driver' is not yet evaluated in non-PIC mode */

-#ifndef FT_CONFIG_OPTION_PIC

- if ( !driver )

- return NULL;

- library = driver->library;

- if ( !library )

- return NULL;

-#endif

- /* we pass our request to the `sfnt' module */

- sfnt = FT_Get_Module( library, "sfnt" );

- return sfnt ? sfnt->clazz->get_interface( sfnt, module_interface ) : 0;

- }

- /* The FT_DriverInterface structure is defined in ftdriver.h. */

-#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,

- sizeof ( CFF_DriverRec ),

- "cff",

- 0x10000L,

- 0x20000L,

- 0, /* module-specific interface */

- cff_driver_init,

- cff_driver_done,

- cff_get_interface,

- /* now the specific driver fields */

- sizeof ( TT_FaceRec ),

- sizeof ( CFF_SizeRec ),

- sizeof ( CFF_GlyphSlotRec ),

- cff_face_init,

- cff_face_done,

- cff_size_init,

- cff_size_done,

- cff_slot_init,

- cff_slot_done,

- cff_glyph_load,

- cff_get_kerning,

- 0, /* FT_Face_AttachFunc */

- cff_get_advances,

- cff_size_request,

- CFF_SIZE_SELECT

- )

-/* END */

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