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

Unified Diff: core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttpost.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/sfnt/ttpost.c

diff --git a/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttpost.c b/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttpost.c

deleted file mode 100644

index 37688f22c5ae7ff35445d47907b01f4ecb19029e..0000000000000000000000000000000000000000

--- a/core/src/fxge/fx_freetype/fxft2.5.01/src/sfnt/ttpost.c

+++ /dev/null

@@ -1,563 +0,0 @@

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

-/* */

-/* ttpost.c */

-/* */

-/* Postcript name table processing for TrueType and OpenType fonts */

-/* (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. */

-/* */

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

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

- /* */

- /* The post table is not completely loaded by the core engine. This */

- /* file loads the missing PS glyph names and implements an API to access */

- /* them. */

- /* */

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

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

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

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

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

-#include "ttpost.h"

-#include "sferrors.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_ttpost

- /* If this configuration macro is defined, we rely on the `PSNames' */

- /* module to grab the glyph names. */

-#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES

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

-#define MAC_NAME( x ) ( (FT_String*)psnames->macintosh_name( x ) )

-#else /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */

- /* Otherwise, we ignore the `PSNames' module, and provide our own */

- /* table of Mac names. Thus, it is possible to build a version of */

- /* FreeType without the Type 1 driver & PSNames module. */

-#define MAC_NAME( x ) ( (FT_String*)tt_post_default_names[x] )

- /* the 258 default Mac PS glyph names */

- static const FT_String* const tt_post_default_names[258] =

- {

- /* 0 */

- ".notdef", ".null", "CR", "space", "exclam",

- "quotedbl", "numbersign", "dollar", "percent", "ampersand",

- /* 10 */

- "quotesingle", "parenleft", "parenright", "asterisk", "plus",

- "comma", "hyphen", "period", "slash", "zero",

- /* 20 */

- "one", "two", "three", "four", "five",

- "six", "seven", "eight", "nine", "colon",

- /* 30 */

- "semicolon", "less", "equal", "greater", "question",

- "at", "A", "B", "C", "D",

- /* 40 */

- "E", "F", "G", "H", "I",

- "J", "K", "L", "M", "N",

- /* 50 */

- "O", "P", "Q", "R", "S",

- "T", "U", "V", "W", "X",

- /* 60 */

- "Y", "Z", "bracketleft", "backslash", "bracketright",

- "asciicircum", "underscore", "grave", "a", "b",

- /* 70 */

- "c", "d", "e", "f", "g",

- "h", "i", "j", "k", "l",

- /* 80 */

- "m", "n", "o", "p", "q",

- "r", "s", "t", "u", "v",

- /* 90 */

- "w", "x", "y", "z", "braceleft",

- "bar", "braceright", "asciitilde", "Adieresis", "Aring",

- /* 100 */

- "Ccedilla", "Eacute", "Ntilde", "Odieresis", "Udieresis",

- "aacute", "agrave", "acircumflex", "adieresis", "atilde",

- /* 110 */

- "aring", "ccedilla", "eacute", "egrave", "ecircumflex",

- "edieresis", "iacute", "igrave", "icircumflex", "idieresis",

- /* 120 */

- "ntilde", "oacute", "ograve", "ocircumflex", "odieresis",

- "otilde", "uacute", "ugrave", "ucircumflex", "udieresis",

- /* 130 */

- "dagger", "degree", "cent", "sterling", "section",

- "bullet", "paragraph", "germandbls", "registered", "copyright",

- /* 140 */

- "trademark", "acute", "dieresis", "notequal", "AE",

- "Oslash", "infinity", "plusminus", "lessequal", "greaterequal",

- /* 150 */

- "yen", "mu", "partialdiff", "summation", "product",

- "pi", "integral", "ordfeminine", "ordmasculine", "Omega",

- /* 160 */

- "ae", "oslash", "questiondown", "exclamdown", "logicalnot",

- "radical", "florin", "approxequal", "Delta", "guillemotleft",

- /* 170 */

- "guillemotright", "ellipsis", "nbspace", "Agrave", "Atilde",

- "Otilde", "OE", "oe", "endash", "emdash",

- /* 180 */

- "quotedblleft", "quotedblright", "quoteleft", "quoteright", "divide",

- "lozenge", "ydieresis", "Ydieresis", "fraction", "currency",

- /* 190 */

- "guilsinglleft", "guilsinglright", "fi", "fl", "daggerdbl",

- "periodcentered", "quotesinglbase", "quotedblbase", "perthousand", "Acircumflex",

- /* 200 */

- "Ecircumflex", "Aacute", "Edieresis", "Egrave", "Iacute",

- "Icircumflex", "Idieresis", "Igrave", "Oacute", "Ocircumflex",

- /* 210 */

- "apple", "Ograve", "Uacute", "Ucircumflex", "Ugrave",

- "dotlessi", "circumflex", "tilde", "macron", "breve",

- /* 220 */

- "dotaccent", "ring", "cedilla", "hungarumlaut", "ogonek",

- "caron", "Lslash", "lslash", "Scaron", "scaron",

- /* 230 */

- "Zcaron", "zcaron", "brokenbar", "Eth", "eth",

- "Yacute", "yacute", "Thorn", "thorn", "minus",

- /* 240 */

- "multiply", "onesuperior", "twosuperior", "threesuperior", "onehalf",

- "onequarter", "threequarters", "franc", "Gbreve", "gbreve",

- /* 250 */

- "Idot", "Scedilla", "scedilla", "Cacute", "cacute",

- "Ccaron", "ccaron", "dmacron",

- };

-#endif /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */

- static FT_Error

- load_format_20( TT_Face face,

- FT_Stream stream,

- FT_Long post_limit )

- {

- FT_Memory memory = stream->memory;

- FT_Error error;

- FT_Int num_glyphs;

- FT_UShort num_names;

- FT_UShort* glyph_indices = 0;

- FT_Char** name_strings = 0;

- if ( FT_READ_USHORT( num_glyphs ) )

- goto Exit;

- /* UNDOCUMENTED! The number of glyphs in this table can be smaller */

- /* than the value in the maxp table (cf. cyberbit.ttf). */

- /* There already exist fonts which have more than 32768 glyph names */

- /* in this table, so the test for this threshold has been dropped. */

- if ( num_glyphs > face->max_profile.numGlyphs )

- {

- error = FT_THROW( Invalid_File_Format );

- goto Exit;

- }

- /* load the indices */

- {

- FT_Int n;

- if ( FT_NEW_ARRAY ( glyph_indices, num_glyphs ) ||

- FT_FRAME_ENTER( num_glyphs * 2L ) )

- goto Fail;

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

- glyph_indices[n] = FT_GET_USHORT();

- FT_FRAME_EXIT();

- }

- /* compute number of names stored in table */

- {

- FT_Int n;

- num_names = 0;

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

- {

- FT_Int idx;

- idx = glyph_indices[n];

- if ( idx >= 258 )

- {

- idx -= 257;

- if ( idx > num_names )

- num_names = (FT_UShort)idx;

- }

- /* now load the name strings */

- {

- FT_UShort n;

- if ( FT_NEW_ARRAY( name_strings, num_names ) )

- goto Fail;

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

- {

- FT_UInt len;

- if ( FT_STREAM_POS() >= post_limit )

- break;

- else

- {

- FT_TRACE6(( "load_format_20: %d byte left in post table\n",

- post_limit - FT_STREAM_POS() ));

- if ( FT_READ_BYTE( len ) )

- goto Fail1;

- }

- if ( (FT_Int)len > post_limit ||

- FT_STREAM_POS() > post_limit - (FT_Int)len )

- {

- FT_ERROR(( "load_format_20:"

- " exceeding string length (%d),"

- " truncating at end of post table (%d byte left)\n",

- len, post_limit - FT_STREAM_POS() ));

- len = FT_MAX( 0, post_limit - FT_STREAM_POS() );

- }

- if ( FT_NEW_ARRAY( name_strings[n], len + 1 ) ||

- FT_STREAM_READ( name_strings[n], len ) )

- goto Fail1;

- name_strings[n][len] = '\0';

- }

- if ( n < num_names )

- {

- FT_ERROR(( "load_format_20:"

- " all entries in post table are already parsed,"

- " using NULL names for gid %d - %d\n",

- n, num_names - 1 ));

- for ( ; n < num_names; n++ )

- if ( FT_NEW_ARRAY( name_strings[n], 1 ) )

- goto Fail1;

- else

- name_strings[n][0] = '\0';

- }

- /* all right, set table fields and exit successfully */

- {

- TT_Post_20 table = &face->postscript_names.names.format_20;

- table->num_glyphs = (FT_UShort)num_glyphs;

- table->num_names = (FT_UShort)num_names;

- table->glyph_indices = glyph_indices;

- table->glyph_names = name_strings;

- }

- return FT_Err_Ok;

- Fail1:

- {

- FT_UShort n;

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

- FT_FREE( name_strings[n] );

- }

- Fail:

- FT_FREE( name_strings );

- FT_FREE( glyph_indices );

- Exit:

- return error;

- }

- static FT_Error

- load_format_25( TT_Face face,

- FT_Stream stream,

- FT_Long post_limit )

- {

- FT_Memory memory = stream->memory;

- FT_Error error;

- FT_Int num_glyphs;

- FT_Char* offset_table = 0;

- FT_UNUSED( post_limit );

- /* UNDOCUMENTED! This value appears only in the Apple TT specs. */

- if ( FT_READ_USHORT( num_glyphs ) )

- goto Exit;

- /* check the number of glyphs */

- if ( num_glyphs > face->max_profile.numGlyphs || num_glyphs > 258 )

- {

- error = FT_THROW( Invalid_File_Format );

- goto Exit;

- }

- if ( FT_NEW_ARRAY( offset_table, num_glyphs ) ||

- FT_STREAM_READ( offset_table, num_glyphs ) )

- goto Fail;

- /* now check the offset table */

- {

- FT_Int n;

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

- {

- FT_Long idx = (FT_Long)n + offset_table[n];

- if ( idx < 0 || idx > num_glyphs )

- {

- error = FT_THROW( Invalid_File_Format );

- goto Fail;

- }

- /* OK, set table fields and exit successfully */

- {

- TT_Post_25 table = &face->postscript_names.names.format_25;

- table->num_glyphs = (FT_UShort)num_glyphs;

- table->offsets = offset_table;

- }

- return FT_Err_Ok;

- Fail:

- FT_FREE( offset_table );

- Exit:

- return error;

- }

- static FT_Error

- load_post_names( TT_Face face )

- {

- FT_Stream stream;

- FT_Error error;

- FT_Fixed format;

- FT_ULong post_len;

- FT_Long post_limit;

- /* get a stream for the face's resource */

- stream = face->root.stream;

- /* seek to the beginning of the PS names table */

- error = face->goto_table( face, TTAG_post, stream, &post_len );

- if ( error )

- goto Exit;

- post_limit = FT_STREAM_POS() + post_len;

- format = face->postscript.FormatType;

- /* go to beginning of subtable */

- if ( FT_STREAM_SKIP( 32 ) )

- goto Exit;

- /* now read postscript table */

- if ( format == 0x00020000L )

- error = load_format_20( face, stream, post_limit );

- else if ( format == 0x00028000L )

- error = load_format_25( face, stream, post_limit );

- else

- error = FT_THROW( Invalid_File_Format );

- face->postscript_names.loaded = 1;

- Exit:

- return error;

- }

- FT_LOCAL_DEF( void )

- tt_face_free_ps_names( TT_Face face )

- {

- FT_Memory memory = face->root.memory;

- TT_Post_Names names = &face->postscript_names;

- FT_Fixed format;

- if ( names->loaded )

- {

- format = face->postscript.FormatType;

- if ( format == 0x00020000L )

- {

- TT_Post_20 table = &names->names.format_20;

- FT_UShort n;

- FT_FREE( table->glyph_indices );

- table->num_glyphs = 0;

- for ( n = 0; n < table->num_names; n++ )

- FT_FREE( table->glyph_names[n] );

- FT_FREE( table->glyph_names );

- table->num_names = 0;

- }

- else if ( format == 0x00028000L )

- {

- TT_Post_25 table = &names->names.format_25;

- FT_FREE( table->offsets );

- table->num_glyphs = 0;

- }

- names->loaded = 0;

- }

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

- /* */

- /* <Function> */

- /* tt_face_get_ps_name */

- /* */

- /* <Description> */

- /* Get the PostScript glyph name of a glyph. */

- /* */

- /* <Input> */

- /* face :: A handle to the parent face. */

- /* */

- /* idx :: The glyph index. */

- /* */

- /* <InOut> */

- /* PSname :: The address of a string pointer. Will be NULL in case */

- /* of error, otherwise it is a pointer to the glyph name. */

- /* */

- /* You must not modify the returned string! */

- /* */

- /* <Output> */

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

- /* */

- FT_LOCAL_DEF( FT_Error )

- tt_face_get_ps_name( TT_Face face,

- FT_UInt idx,

- FT_String** PSname )

- {

- FT_Error error;

- TT_Post_Names names;

- FT_Fixed format;

-#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES

- FT_Service_PsCMaps psnames;

-#endif

- if ( !face )

- return FT_THROW( Invalid_Face_Handle );

- if ( idx >= (FT_UInt)face->max_profile.numGlyphs )

- return FT_THROW( Invalid_Glyph_Index );

-#ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES

- psnames = (FT_Service_PsCMaps)face->psnames;

- if ( !psnames )

- return FT_THROW( Unimplemented_Feature );

-#endif

- names = &face->postscript_names;

- /* `.notdef' by default */

- *PSname = MAC_NAME( 0 );

- format = face->postscript.FormatType;

- if ( format == 0x00010000L )

- {

- if ( idx < 258 ) /* paranoid checking */

- *PSname = MAC_NAME( idx );

- }

- else if ( format == 0x00020000L )

- {

- TT_Post_20 table = &names->names.format_20;

- if ( !names->loaded )

- {

- error = load_post_names( face );

- if ( error )

- goto End;

- }

- if ( idx < (FT_UInt)table->num_glyphs )

- {

- FT_UShort name_index = table->glyph_indices[idx];

- if ( name_index < 258 )

- *PSname = MAC_NAME( name_index );

- else

- *PSname = (FT_String*)table->glyph_names[name_index - 258];

- }

- else if ( format == 0x00028000L )

- {

- TT_Post_25 table = &names->names.format_25;

- if ( !names->loaded )

- {

- error = load_post_names( face );

- if ( error )

- goto End;

- }

- if ( idx < (FT_UInt)table->num_glyphs ) /* paranoid checking */

- {

- idx += table->offsets[idx];

- *PSname = MAC_NAME( idx );

- }

- /* nothing to do for format == 0x00030000L */

- End:

- return FT_Err_Ok;

- }

-/* END */

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