1 /***************************************************************************/
2 /* */
3 /* ttpost.c */
4 /* */
5 /* PostScript name table processing for TrueType and OpenType fonts */
6 /* (body). */
7 /* */
8 /* Copyright 1996-2018 by */
9 /* David Turner, Robert Wilhelm, and Werner Lemberg. */
10 /* */
11 /* This file is part of the FreeType project, and may only be used, */
12 /* modified, and distributed under the terms of the FreeType project */
13 /* license, LICENSE.TXT. By continuing to use, modify, or distribute */
14 /* this file you indicate that you have read the license and */
15 /* understand and accept it fully. */
16 /* */
17 /***************************************************************************/
18
19 /*************************************************************************/
20 /* */
21 /* The post table is not completely loaded by the core engine. This */
22 /* file loads the missing PS glyph names and implements an API to access */
23 /* them. */
24 /* */
25 /*************************************************************************/
26
27
28 #include <ft2build.h>
29 #include FT_INTERNAL_DEBUG_H
30 #include FT_INTERNAL_STREAM_H
31 #include FT_TRUETYPE_TAGS_H
32
33
34 #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
35
36 #include "ttpost.h"
37
38 #include "sferrors.h"
39
40
41 /*************************************************************************/
42 /* */
43 /* The macro FT_COMPONENT is used in trace mode. It is an implicit */
44 /* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
45 /* messages during execution. */
46 /* */
47 #undef FT_COMPONENT
48 #define FT_COMPONENT trace_ttpost
49
50
51 /* If this configuration macro is defined, we rely on the `PSNames' */
52 /* module to grab the glyph names. */
53
54 #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
55
56
57 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
58
59 #define MAC_NAME( x ) (FT_String*)psnames->macintosh_name( (FT_UInt)(x) )
60
61
62 #else /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */
63
64
65 /* Otherwise, we ignore the `PSNames' module, and provide our own */
66 /* table of Mac names. Thus, it is possible to build a version of */
67 /* FreeType without the Type 1 driver & PSNames module. */
68
69 #define MAC_NAME( x ) (FT_String*)tt_post_default_names[x]
70
71 /* the 258 default Mac PS glyph names; see file `tools/glnames.py' */
72
73 static const FT_String* const tt_post_default_names[258] =
74 {
75 /* 0 */
76 ".notdef", ".null", "nonmarkingreturn", "space", "exclam",
77 "quotedbl", "numbersign", "dollar", "percent", "ampersand",
78 /* 10 */
79 "quotesingle", "parenleft", "parenright", "asterisk", "plus",
80 "comma", "hyphen", "period", "slash", "zero",
81 /* 20 */
82 "one", "two", "three", "four", "five",
83 "six", "seven", "eight", "nine", "colon",
84 /* 30 */
85 "semicolon", "less", "equal", "greater", "question",
86 "at", "A", "B", "C", "D",
87 /* 40 */
442
443 for ( n = 0; n < table->num_names; n++ )
444 FT_FREE( table->glyph_names[n] );
445
446 FT_FREE( table->glyph_names );
447 table->num_names = 0;
448 }
449 else if ( format == 0x00025000L )
450 {
451 TT_Post_25 table = &names->names.format_25;
452
453
454 FT_FREE( table->offsets );
455 table->num_glyphs = 0;
456 }
457 }
458 names->loaded = 0;
459 }
460
461
462 /*************************************************************************/
463 /* */
464 /* <Function> */
465 /* tt_face_get_ps_name */
466 /* */
467 /* <Description> */
468 /* Get the PostScript glyph name of a glyph. */
469 /* */
470 /* <Input> */
471 /* face :: A handle to the parent face. */
472 /* */
473 /* idx :: The glyph index. */
474 /* */
475 /* <InOut> */
476 /* PSname :: The address of a string pointer. Undefined in case of */
477 /* error, otherwise it is a pointer to the glyph name. */
478 /* */
479 /* You must not modify the returned string! */
480 /* */
481 /* <Output> */
482 /* FreeType error code. 0 means success. */
483 /* */
484 FT_LOCAL_DEF( FT_Error )
485 tt_face_get_ps_name( TT_Face face,
486 FT_UInt idx,
487 FT_String** PSname )
488 {
489 FT_Error error;
490 TT_Post_Names names;
491 FT_Fixed format;
492
493 #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
494 FT_Service_PsCMaps psnames;
495 #endif
496
497
498 if ( !face )
499 return FT_THROW( Invalid_Face_Handle );
500
501 if ( idx >= (FT_UInt)face->max_profile.numGlyphs )
502 return FT_THROW( Invalid_Glyph_Index );
503
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1 /****************************************************************************
2 *
3 * ttpost.c
4 *
5 * PostScript name table processing for TrueType and OpenType fonts
6 * (body).
7 *
8 * Copyright (C) 1996-2019 by
9 * David Turner, Robert Wilhelm, and Werner Lemberg.
10 *
11 * This file is part of the FreeType project, and may only be used,
12 * modified, and distributed under the terms of the FreeType project
13 * license, LICENSE.TXT. By continuing to use, modify, or distribute
14 * this file you indicate that you have read the license and
15 * understand and accept it fully.
16 *
17 */
18
19 /**************************************************************************
20 *
21 * The post table is not completely loaded by the core engine. This
22 * file loads the missing PS glyph names and implements an API to access
23 * them.
24 *
25 */
26
27
28 #include <ft2build.h>
29 #include FT_INTERNAL_DEBUG_H
30 #include FT_INTERNAL_STREAM_H
31 #include FT_TRUETYPE_TAGS_H
32
33
34 #ifdef TT_CONFIG_OPTION_POSTSCRIPT_NAMES
35
36 #include "ttpost.h"
37
38 #include "sferrors.h"
39
40
41 /**************************************************************************
42 *
43 * The macro FT_COMPONENT is used in trace mode. It is an implicit
44 * parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log
45 * messages during execution.
46 */
47 #undef FT_COMPONENT
48 #define FT_COMPONENT ttpost
49
50
51 /* If this configuration macro is defined, we rely on the `psnames' */
52 /* module to grab the glyph names. */
53
54 #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
55
56
57 #include FT_SERVICE_POSTSCRIPT_CMAPS_H
58
59 #define MAC_NAME( x ) (FT_String*)psnames->macintosh_name( (FT_UInt)(x) )
60
61
62 #else /* FT_CONFIG_OPTION_POSTSCRIPT_NAMES */
63
64
65 /* Otherwise, we ignore the `psnames' module, and provide our own */
66 /* table of Mac names. Thus, it is possible to build a version of */
67 /* FreeType without the Type 1 driver & psnames module. */
68
69 #define MAC_NAME( x ) (FT_String*)tt_post_default_names[x]
70
71 /* the 258 default Mac PS glyph names; see file `tools/glnames.py' */
72
73 static const FT_String* const tt_post_default_names[258] =
74 {
75 /* 0 */
76 ".notdef", ".null", "nonmarkingreturn", "space", "exclam",
77 "quotedbl", "numbersign", "dollar", "percent", "ampersand",
78 /* 10 */
79 "quotesingle", "parenleft", "parenright", "asterisk", "plus",
80 "comma", "hyphen", "period", "slash", "zero",
81 /* 20 */
82 "one", "two", "three", "four", "five",
83 "six", "seven", "eight", "nine", "colon",
84 /* 30 */
85 "semicolon", "less", "equal", "greater", "question",
86 "at", "A", "B", "C", "D",
87 /* 40 */
442
443 for ( n = 0; n < table->num_names; n++ )
444 FT_FREE( table->glyph_names[n] );
445
446 FT_FREE( table->glyph_names );
447 table->num_names = 0;
448 }
449 else if ( format == 0x00025000L )
450 {
451 TT_Post_25 table = &names->names.format_25;
452
453
454 FT_FREE( table->offsets );
455 table->num_glyphs = 0;
456 }
457 }
458 names->loaded = 0;
459 }
460
461
462 /**************************************************************************
463 *
464 * @Function:
465 * tt_face_get_ps_name
466 *
467 * @Description:
468 * Get the PostScript glyph name of a glyph.
469 *
470 * @Input:
471 * face ::
472 * A handle to the parent face.
473 *
474 * idx ::
475 * The glyph index.
476 *
477 * @InOut:
478 * PSname ::
479 * The address of a string pointer. Undefined in case of
480 * error, otherwise it is a pointer to the glyph name.
481 *
482 * You must not modify the returned string!
483 *
484 * @Output:
485 * FreeType error code. 0 means success.
486 */
487 FT_LOCAL_DEF( FT_Error )
488 tt_face_get_ps_name( TT_Face face,
489 FT_UInt idx,
490 FT_String** PSname )
491 {
492 FT_Error error;
493 TT_Post_Names names;
494 FT_Fixed format;
495
496 #ifdef FT_CONFIG_OPTION_POSTSCRIPT_NAMES
497 FT_Service_PsCMaps psnames;
498 #endif
499
500
501 if ( !face )
502 return FT_THROW( Invalid_Face_Handle );
503
504 if ( idx >= (FT_UInt)face->max_profile.numGlyphs )
505 return FT_THROW( Invalid_Glyph_Index );
506
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