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

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/psnames/fxft_psmodule.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/psnames/fxft_psmodule.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/psnames/fxft_psmodule.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/psnames/fxft_psmodule.c

deleted file mode 100644

index 3380e3938a542c2d54098f8a2425611aa420c3d3..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/psnames/fxft_psmodule.c

+++ /dev/null

@@ -1,668 +0,0 @@

-#if !defined(_FXFT_VERSION_) || _FXFT_VERSION_ == 2501

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

-/* */

-/* psmodule.c */

-/* */

-/* PSNames module 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. */

-/* */

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

-#define FT2_BUILD_LIBRARY

-#include "../../include/ft2build.h"

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

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

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

-#include "psmodule.h"

-#include "pstables.h"

-#include "psnamerr.h"

-#include "pspic.h"

-#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES

-#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST

-#define VARIANT_BIT 0x80000000UL

-#define BASE_GLYPH( code ) ( (FT_UInt32)( (code) & ~VARIANT_BIT ) )

-#ifdef __cplusplus

-extern "C" {

-#endif

- /* Return the Unicode value corresponding to a given glyph. Note that */

- /* we do deal with glyph variants by detecting a non-initial dot in */

- /* the name, as in `A.swash' or `e.final'; in this case, the */

- /* VARIANT_BIT is set in the return value. */

- /* */

-int FXFT_unicode_from_adobe_name( const char* glyph_name )

- {

- /* If the name begins with `uni', then the glyph name may be a */

- /* hard-coded unicode character code. */

- if ( glyph_name[0] == 'u' &&

- glyph_name[1] == 'n' &&

- glyph_name[2] == 'i' )

- {

- /* determine whether the next four characters following are */

- /* hexadecimal. */

- /* XXX: Add code to deal with ligatures, i.e. glyph names like */

- /* `uniXXXXYYYYZZZZ'... */

- FT_Int count;

- FT_UInt32 value = 0;

- const char* p = glyph_name + 3;

- for ( count = 4; count > 0; count--, p++ )

- {

- char c = *p;

- unsigned int d;

- d = (unsigned char)c - '0';

- if ( d >= 10 )

- {

- d = (unsigned char)c - 'A';

- if ( d >= 6 )

- d = 16;

- else

- d += 10;

- }

- /* Exit if a non-uppercase hexadecimal character was found */

- /* -- this also catches character codes below `0' since such */

- /* negative numbers cast to `unsigned int' are far too big. */

- if ( d >= 16 )

- break;

- value = ( value << 4 ) + d;

- }

- /* there must be exactly four hex digits */

- if ( count == 0 )

- {

- if ( *p == '\0' )

- return value;

- if ( *p == '.' )

- return (FT_UInt32)( value | VARIANT_BIT );

- }

- /* If the name begins with `u', followed by four to six uppercase */

- /* hexadecimal digits, it is a hard-coded unicode character code. */

- if ( glyph_name[0] == 'u' )

- {

- FT_Int count;

- FT_UInt32 value = 0;

- const char* p = glyph_name + 1;

- for ( count = 6; count > 0; count--, p++ )

- {

- char c = *p;

- unsigned int d;

- d = (unsigned char)c - '0';

- if ( d >= 10 )

- {

- d = (unsigned char)c - 'A';

- if ( d >= 6 )

- d = 16;

- else

- d += 10;

- }

- if ( d >= 16 )

- break;

- value = ( value << 4 ) + d;

- }

- if ( count <= 2 )

- {

- if ( *p == '\0' )

- return value;

- if ( *p == '.' )

- return (FT_UInt32)( value | VARIANT_BIT );

- }

- /* Look for a non-initial dot in the glyph name in order to */

- /* find variants like `A.swash', `e.final', etc. */

- {

- const char* p = glyph_name;

- const char* dot = NULL;

- for ( ; *p; p++ )

- {

- if ( *p == '.' && p > glyph_name )

- {

- dot = p;

- break;

- }

- /* now look up the glyph in the Adobe Glyph List */

- if ( !dot )

- return (FT_UInt32)ft_get_adobe_glyph_index( glyph_name, p );

- else

- return (FT_UInt32)( ft_get_adobe_glyph_index( glyph_name, dot ) |

- VARIANT_BIT );

- }

- #ifdef __cplusplus

-#endif

-static int xyq_search_node(char* glyph_name, int name_offset, int table_offset, FT_UInt32 unicode)

- int i, count;

- // copy letters

- while (1) {

- glyph_name[name_offset] = ft_adobe_glyph_list[table_offset] & 0x7f;

- name_offset ++;

- table_offset ++;

- if (!(ft_adobe_glyph_list[table_offset-1] & 0x80)) break;

- }

- glyph_name[name_offset] = 0;

- // get child count

- count = ft_adobe_glyph_list[table_offset] & 0x7f;

- // check if we have value for this node

- if (ft_adobe_glyph_list[table_offset] & 0x80) {

- unsigned short thiscode = ft_adobe_glyph_list[table_offset+1] * 256 + ft_adobe_glyph_list[table_offset+2];

- if (thiscode == unicode) // found it!

- return 1;

- table_offset += 3;

- } else

- table_offset ++;

- // now search in sub-nodes

- if (count == 0) return 0;

- for (i = 0; i < count; i ++) {

- int child_offset = ft_adobe_glyph_list[table_offset+i*2] * 256 + ft_adobe_glyph_list[table_offset+i*2+1];

- if (xyq_search_node(glyph_name, name_offset, child_offset, unicode))

- // found in child

- return 1;

- }

- return 0;

-// XYQ: function for searching Unicode in the glyph list

-void FXFT_adobe_name_from_unicode(char* glyph_name, FT_UInt32 unicode)

- int i, count;

- // start from top level node

- count = ft_adobe_glyph_list[1];

- for (i = 0; i < count; i ++) {

- int child_offset = ft_adobe_glyph_list[i*2+2] * 256 + ft_adobe_glyph_list[i*2+3];

- if (xyq_search_node(glyph_name, 0, child_offset, unicode))

- return;

- }

- // failed, clear the buffer

- glyph_name[0] = 0;

- /* ft_qsort callback to sort the unicode map */

- FT_CALLBACK_DEF( int )

- compare_uni_maps( const void* a,

- const void* b )

- {

- PS_UniMap* map1 = (PS_UniMap*)a;

- PS_UniMap* map2 = (PS_UniMap*)b;

- FT_UInt32 unicode1 = BASE_GLYPH( map1->unicode );

- FT_UInt32 unicode2 = BASE_GLYPH( map2->unicode );

- /* sort base glyphs before glyph variants */

- if ( unicode1 == unicode2 )

- {

- if ( map1->unicode > map2->unicode )

- return 1;

- else if ( map1->unicode < map2->unicode )

- return -1;

- else

- return 0;

- }

- else

- {

- if ( unicode1 > unicode2 )

- return 1;

- else if ( unicode1 < unicode2 )

- return -1;

- else

- return 0;

- }

- /* support for extra glyphs not handled (well) in AGL; */

- /* we add extra mappings for them if necessary */

-#define EXTRA_GLYPH_LIST_SIZE 10

- static const FT_UInt32 ft_extra_glyph_unicodes[EXTRA_GLYPH_LIST_SIZE] =

- {

- /* WGL 4 */

- 0x0394,

- 0x03A9,

- 0x2215,

- 0x00AD,

- 0x02C9,

- 0x03BC,

- 0x2219,

- 0x00A0,

- /* Romanian */

- 0x021A,

- 0x021B

- };

- static const char ft_extra_glyph_names[] =

- {

- 'D','e','l','t','a',0,

- 'O','m','e','g','a',0,

- 'f','r','a','c','t','i','o','n',0,

- 'h','y','p','h','e','n',0,

- 'm','a','c','r','o','n',0,

- 'm','u',0,

- 'p','e','r','i','o','d','c','e','n','t','e','r','e','d',0,

- 's','p','a','c','e',0,

- 'T','c','o','m','m','a','a','c','c','e','n','t',0,

- 't','c','o','m','m','a','a','c','c','e','n','t',0

- };

- static const FT_Int

- ft_extra_glyph_name_offsets[EXTRA_GLYPH_LIST_SIZE] =

- {

- 0,

- 6,

- 12,

- 21,

- 28,

- 35,

- 38,

- 53,

- 59,

- 72

- };

- static void

- ps_check_extra_glyph_name( const char* gname,

- FT_UInt glyph,

- FT_UInt* extra_glyphs,

- FT_UInt *states )

- {

- FT_UInt n;

- for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ )

- {

- if ( ft_strcmp( ft_extra_glyph_names +

- ft_extra_glyph_name_offsets[n], gname ) == 0 )

- {

- if ( states[n] == 0 )

- {

- /* mark this extra glyph as a candidate for the cmap */

- states[n] = 1;

- extra_glyphs[n] = glyph;

- }

- return;

- }

- static void

- ps_check_extra_glyph_unicode( FT_UInt32 uni_char,

- FT_UInt *states )

- {

- FT_UInt n;

- for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ )

- {

- if ( uni_char == ft_extra_glyph_unicodes[n] )

- {

- /* disable this extra glyph from being added to the cmap */

- states[n] = 2;

- return;

- }

- /* Build a table that maps Unicode values to glyph indices. */

- static FT_Error

- ps_unicodes_init( FT_Memory memory,

- PS_Unicodes table,

- FT_UInt num_glyphs,

- PS_GetGlyphNameFunc get_glyph_name,

- PS_FreeGlyphNameFunc free_glyph_name,

- FT_Pointer glyph_data )

- {

- FT_Error error;

- FT_UInt extra_glyph_list_states[] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };

- FT_UInt extra_glyphs[EXTRA_GLYPH_LIST_SIZE];

- /* we first allocate the table */

- table->num_maps = 0;

- table->maps = 0;

- if ( !FT_NEW_ARRAY( table->maps, num_glyphs + EXTRA_GLYPH_LIST_SIZE ) )

- {

- FT_UInt n;

- FT_UInt count;

- PS_UniMap* map;

- FT_UInt32 uni_char;

- map = table->maps;

- for ( n = 0; n < num_glyphs; n++ )

- {

- const char* gname = get_glyph_name( glyph_data, n );

- if ( gname )

- {

- ps_check_extra_glyph_name( gname, n,

- extra_glyphs, extra_glyph_list_states );

- uni_char = FXFT_unicode_from_adobe_name( gname );

- if ( BASE_GLYPH( uni_char ) != 0 )

- {

- ps_check_extra_glyph_unicode( uni_char,

- extra_glyph_list_states );

- map->unicode = uni_char;

- map->glyph_index = n;

- map++;

- }

- if ( free_glyph_name )

- free_glyph_name( glyph_data, gname );

- }

- for ( n = 0; n < EXTRA_GLYPH_LIST_SIZE; n++ )

- {

- if ( extra_glyph_list_states[n] == 1 )

- {

- /* This glyph name has an additional representation. */

- /* Add it to the cmap. */

- map->unicode = ft_extra_glyph_unicodes[n];

- map->glyph_index = extra_glyphs[n];

- map++;

- }

- /* now compress the table a bit */

- count = (FT_UInt)( map - table->maps );

- if ( count == 0 )

- {

- /* No unicode chars here! */

- FT_FREE( table->maps );

- if ( !error )

- error = FT_THROW( No_Unicode_Glyph_Name );

- }

- else

- {

- /* Reallocate if the number of used entries is much smaller. */

- if ( count < num_glyphs / 2 )

- {

- (void)FT_RENEW_ARRAY( table->maps, num_glyphs, count );

- error = FT_Err_Ok;

- }

- /* Sort the table in increasing order of unicode values, */

- /* taking care of glyph variants. */

- ft_qsort( table->maps, count, sizeof ( PS_UniMap ),

- compare_uni_maps );

- }

- table->num_maps = count;

- }

- return error;

- }

- static FT_UInt

- ps_unicodes_char_index( PS_Unicodes table,

- FT_UInt32 unicode )

- {

- PS_UniMap *min, *max, *mid, *result = NULL;

- /* Perform a binary search on the table. */

- min = table->maps;

- max = min + table->num_maps - 1;

- while ( min <= max )

- {

- FT_UInt32 base_glyph;

- mid = min + ( ( max - min ) >> 1 );

- if ( mid->unicode == unicode )

- {

- result = mid;

- break;

- }

- base_glyph = BASE_GLYPH( mid->unicode );

- if ( base_glyph == unicode )

- result = mid; /* remember match but continue search for base glyph */

- if ( min == max )

- break;

- if ( base_glyph < unicode )

- min = mid + 1;

- else

- max = mid - 1;

- }

- if ( result )

- return result->glyph_index;

- else

- return 0;

- }

- static FT_UInt32

- ps_unicodes_char_next( PS_Unicodes table,

- FT_UInt32 *unicode )

- {

- FT_UInt result = 0;

- FT_UInt32 char_code = *unicode + 1;

- {

- FT_UInt min = 0;

- FT_UInt max = table->num_maps;

- FT_UInt mid;

- PS_UniMap* map;

- FT_UInt32 base_glyph;

- while ( min < max )

- {

- mid = min + ( ( max - min ) >> 1 );

- map = table->maps + mid;

- if ( map->unicode == char_code )

- {

- result = map->glyph_index;

- goto Exit;

- }

- base_glyph = BASE_GLYPH( map->unicode );

- if ( base_glyph == char_code )

- result = map->glyph_index;

- if ( base_glyph < char_code )

- min = mid + 1;

- else

- max = mid;

- }

- if ( result )

- goto Exit; /* we have a variant glyph */

- /* we didn't find it; check whether we have a map just above it */

- char_code = 0;

- if ( min < table->num_maps )

- {

- map = table->maps + min;

- result = map->glyph_index;

- char_code = BASE_GLYPH( map->unicode );

- }

- Exit:

- *unicode = char_code;

- return result;

- }

-#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */

- static const char*

- ps_get_macintosh_name( FT_UInt name_index )

- {

- if ( name_index >= FT_NUM_MAC_NAMES )

- name_index = 0;

- return ft_standard_glyph_names + ft_mac_names[name_index];

- }

- static const char*

- ps_get_standard_strings( FT_UInt sid )

- {

- if ( sid >= FT_NUM_SID_NAMES )

- return 0;

- return ft_standard_glyph_names + ft_sid_names[sid];

- }

-#ifdef FT_CONFIG_OPTION_ADOBE_GLYPH_LIST

- FT_DEFINE_SERVICE_PSCMAPSREC(

- pscmaps_interface,

- (PS_Unicode_ValueFunc) FXFT_unicode_from_adobe_name,

- (PS_Unicodes_InitFunc) ps_unicodes_init,

- (PS_Unicodes_CharIndexFunc)ps_unicodes_char_index,

- (PS_Unicodes_CharNextFunc) ps_unicodes_char_next,

- (PS_Macintosh_NameFunc) ps_get_macintosh_name,

- (PS_Adobe_Std_StringsFunc) ps_get_standard_strings,

- t1_standard_encoding,

- t1_expert_encoding )

-#else

- FT_DEFINE_SERVICE_PSCMAPSREC(

- pscmaps_interface,

- NULL,

- (PS_Macintosh_NameFunc) ps_get_macintosh_name,

- (PS_Adobe_Std_StringsFunc) ps_get_standard_strings,

- t1_standard_encoding,

- t1_expert_encoding )

-#endif /* FT_CONFIG_OPTION_ADOBE_GLYPH_LIST */

- FT_DEFINE_SERVICEDESCREC1(

- pscmaps_services,

- FT_SERVICE_ID_POSTSCRIPT_CMAPS, &PSCMAPS_INTERFACE_GET )

- static FT_Pointer

- psnames_get_service( FT_Module module,

- const char* service_id )

- {

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

-#ifdef FT_CONFIG_OPTION_PIC

- FT_Library library;

- if ( !module )

- return NULL;

- library = module->library;

- if ( !library )

- return NULL;

-#else

- FT_UNUSED( module );

-#endif

- return ft_service_list_lookup( PSCMAPS_SERVICES_GET, service_id );

- }

-#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */

-#ifndef FT_CONFIG_OPTION_POSTSCRIPT_NAMES

-#define PUT_PS_NAMES_SERVICE( a ) NULL

-#else

-#define PUT_PS_NAMES_SERVICE( a ) a

-#endif

- FT_DEFINE_MODULE(

- psnames_module_class,

- 0, /* this is not a font driver, nor a renderer */

- sizeof ( FT_ModuleRec ),

- "psnames", /* driver name */

- 0x10000L, /* driver version */

- 0x20000L, /* driver requires FreeType 2 or above */

- PUT_PS_NAMES_SERVICE(

- (void*)&PSCMAPS_INTERFACE_GET ), /* module specific interface */

- (FT_Module_Constructor)NULL,

- (FT_Module_Destructor) NULL,

- (FT_Module_Requester) PUT_PS_NAMES_SERVICE( psnames_get_service ) )

-/* END */

-#endif