ftsnames.h, ttnameid.h, tttables.h: Revise documentation.
Show more macros in the reference: TT_MAC_LANGID_XXX, TT_MS_LANGID_XXX, TT_NAME_ID_XXX, TT_UCR_XXX. This commit is viewed best with git diff --color-words='[^*/ ]+'
This commit is contained in:
Werner Lemberg
parent
ba6f3e18d0
commit
8013d89f7f
|
|
@ -734,7 +734,7 @@ FT_BEGIN_HEADER
|
|||
/* Russian). */
|
||||
/* */
|
||||
/* FT_ENCODING_NONE is set if `platform_id' is @TT_PLATFORM_MACINTOSH */
|
||||
/* and `encoding_id' is not @TT_MAC_ID_ROMAN (otherwise it is set to */
|
||||
/* and `encoding_id' is not `TT_MAC_ID_ROMAN' (otherwise it is set to */
|
||||
/* FT_ENCODING_APPLE_ROMAN). */
|
||||
/* */
|
||||
/* If `platform_id' is @TT_PLATFORM_MACINTOSH, use the function */
|
||||
|
|
@ -746,9 +746,9 @@ FT_BEGIN_HEADER
|
|||
/* to get an idea how to do that. Basically, if the language ID */
|
||||
/* is~0, don't use it, otherwise subtract 1 from the language ID. */
|
||||
/* Then examine `encoding_id'. If, for example, `encoding_id' is */
|
||||
/* @TT_MAC_ID_ROMAN and the language ID (minus~1) is */
|
||||
/* `TT_MAC_ID_ROMAN' and the language ID (minus~1) is */
|
||||
/* `TT_MAC_LANGID_GREEK', it is the Greek encoding, not Roman. */
|
||||
/* @TT_MAC_ID_ARABIC with `TT_MAC_LANGID_FARSI' means the Farsi */
|
||||
/* `TT_MAC_ID_ARABIC' with `TT_MAC_LANGID_FARSI' means the Farsi */
|
||||
/* variant the Arabic encoding. */
|
||||
/* */
|
||||
typedef enum FT_Encoding_
|
||||
|
|
|
|||
|
|
@ -2,7 +2,7 @@
|
|||
/* */
|
||||
/* ftsnames.h */
|
||||
/* */
|
||||
/* Simple interface to access SFNT name tables (which are used */
|
||||
/* Simple interface to access SFNT `name' tables (which are used */
|
||||
/* to hold font names, copyright info, notices, etc.) (specification). */
|
||||
/* */
|
||||
/* This is _not_ used to retrieve glyph names! */
|
||||
|
|
@ -49,7 +49,7 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* <Description> */
|
||||
/* The TrueType and OpenType specifications allow the inclusion of */
|
||||
/* a special `names table' in font files. This table contains */
|
||||
/* a special names table (`name') in font files. This table contains */
|
||||
/* textual (and internationalized) information regarding the font, */
|
||||
/* like family name, copyright, version, etc. */
|
||||
/* */
|
||||
|
|
@ -70,30 +70,29 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* <Fields> */
|
||||
/* platform_id :: The platform ID for `string'. */
|
||||
/* See @TT_PLATFORM_XXX for possible values. */
|
||||
/* */
|
||||
/* encoding_id :: The encoding ID for `string'. */
|
||||
/* See @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX, */
|
||||
/* @TT_ISO_ID_XXX, @TT_MS_ID_XXX, and @TT_ADOBE_ID_XXX */
|
||||
/* for possible values. */
|
||||
/* */
|
||||
/* language_id :: The language ID for `string'. */
|
||||
/* See @TT_MAC_LANGID_XXX and @TT_MS_LANGID_XXX for */
|
||||
/* possible values. */
|
||||
/* */
|
||||
/* name_id :: An identifier for `string'. */
|
||||
/* See @TT_NAME_ID_XXX for possible values. */
|
||||
/* */
|
||||
/* string :: The `name' string. Note that its format differs */
|
||||
/* depending on the (platform,encoding) pair. It can */
|
||||
/* be a Pascal String, a UTF-16 one, etc. */
|
||||
/* */
|
||||
/* Generally speaking, the string is not */
|
||||
/* zero-terminated. Please refer to the TrueType */
|
||||
/* specification for details. */
|
||||
/* */
|
||||
/* string_len :: The length of `string' in bytes. */
|
||||
/* */
|
||||
/* <Note> */
|
||||
/* Possible values for `platform_id', `encoding_id', `language_id', */
|
||||
/* and `name_id' are given in the file `ttnameid.h'. For details */
|
||||
/* please refer to the TrueType or OpenType specification. */
|
||||
/* */
|
||||
/* See also @TT_PLATFORM_XXX, @TT_APPLE_ID_XXX, @TT_MAC_ID_XXX, */
|
||||
/* @TT_ISO_ID_XXX, and @TT_MS_ID_XXX. */
|
||||
/* Please refer to the TrueType or OpenType specification for more */
|
||||
/* details. */
|
||||
/* */
|
||||
typedef struct FT_SfntName_
|
||||
{
|
||||
|
|
@ -103,7 +102,7 @@ FT_BEGIN_HEADER
|
|||
FT_UShort name_id;
|
||||
|
||||
FT_Byte* string; /* this string is *not* null-terminated! */
|
||||
FT_UInt string_len; /* in bytes */
|
||||
FT_UInt string_len; /* in bytes */
|
||||
|
||||
} FT_SfntName;
|
||||
|
||||
|
|
|
|||
|
|
@ -36,7 +36,7 @@ FT_BEGIN_HEADER
|
|||
/*************************************************************************/
|
||||
/* */
|
||||
/* Possible values for the `platform' identifier code in the name */
|
||||
/* records of the TTF `name' table. */
|
||||
/* records of an SFNT `name' table. */
|
||||
/* */
|
||||
/*************************************************************************/
|
||||
|
||||
|
|
@ -142,42 +142,6 @@ FT_BEGIN_HEADER
|
|||
* @description:
|
||||
* A list of valid values for the `encoding_id' for
|
||||
* @TT_PLATFORM_MACINTOSH charmaps and name entries.
|
||||
*
|
||||
* @values:
|
||||
* TT_MAC_ID_ROMAN ::
|
||||
* TT_MAC_ID_JAPANESE ::
|
||||
* TT_MAC_ID_TRADITIONAL_CHINESE ::
|
||||
* TT_MAC_ID_KOREAN ::
|
||||
* TT_MAC_ID_ARABIC ::
|
||||
* TT_MAC_ID_HEBREW ::
|
||||
* TT_MAC_ID_GREEK ::
|
||||
* TT_MAC_ID_RUSSIAN ::
|
||||
* TT_MAC_ID_RSYMBOL ::
|
||||
* TT_MAC_ID_DEVANAGARI ::
|
||||
* TT_MAC_ID_GURMUKHI ::
|
||||
* TT_MAC_ID_GUJARATI ::
|
||||
* TT_MAC_ID_ORIYA ::
|
||||
* TT_MAC_ID_BENGALI ::
|
||||
* TT_MAC_ID_TAMIL ::
|
||||
* TT_MAC_ID_TELUGU ::
|
||||
* TT_MAC_ID_KANNADA ::
|
||||
* TT_MAC_ID_MALAYALAM ::
|
||||
* TT_MAC_ID_SINHALESE ::
|
||||
* TT_MAC_ID_BURMESE ::
|
||||
* TT_MAC_ID_KHMER ::
|
||||
* TT_MAC_ID_THAI ::
|
||||
* TT_MAC_ID_LAOTIAN ::
|
||||
* TT_MAC_ID_GEORGIAN ::
|
||||
* TT_MAC_ID_ARMENIAN ::
|
||||
* TT_MAC_ID_MALDIVIAN ::
|
||||
* TT_MAC_ID_SIMPLIFIED_CHINESE ::
|
||||
* TT_MAC_ID_TIBETAN ::
|
||||
* TT_MAC_ID_MONGOLIAN ::
|
||||
* TT_MAC_ID_GEEZ ::
|
||||
* TT_MAC_ID_SLAVIC ::
|
||||
* TT_MAC_ID_VIETNAMESE ::
|
||||
* TT_MAC_ID_SINDHI ::
|
||||
* TT_MAC_ID_UNINTERP ::
|
||||
*/
|
||||
|
||||
#define TT_MAC_ID_ROMAN 0
|
||||
|
|
@ -252,33 +216,32 @@ FT_BEGIN_HEADER
|
|||
*
|
||||
* @values:
|
||||
* TT_MS_ID_SYMBOL_CS ::
|
||||
* Corresponds to Microsoft symbol encoding. See
|
||||
* @FT_ENCODING_MS_SYMBOL.
|
||||
* Microsoft symbol encoding. See @FT_ENCODING_MS_SYMBOL.
|
||||
*
|
||||
* TT_MS_ID_UNICODE_CS ::
|
||||
* Corresponds to a Microsoft WGL4 charmap, matching Unicode. See
|
||||
* Microsoft WGL4 charmap, matching Unicode. See
|
||||
* @FT_ENCODING_UNICODE.
|
||||
*
|
||||
* TT_MS_ID_SJIS ::
|
||||
* Corresponds to SJIS Japanese encoding. See @FT_ENCODING_SJIS.
|
||||
* Shift JIS Japanese encoding. See @FT_ENCODING_SJIS.
|
||||
*
|
||||
* TT_MS_ID_GB2312 ::
|
||||
* Corresponds to Simplified Chinese as used in Mainland China. See
|
||||
* Simplified Chinese as used in Mainland China. See
|
||||
* @FT_ENCODING_GB2312.
|
||||
*
|
||||
* TT_MS_ID_BIG_5 ::
|
||||
* Corresponds to Traditional Chinese as used in Taiwan and Hong Kong.
|
||||
* See @FT_ENCODING_BIG5.
|
||||
* Traditional Chinese as used in Taiwan and Hong Kong. See
|
||||
* @FT_ENCODING_BIG5.
|
||||
*
|
||||
* TT_MS_ID_WANSUNG ::
|
||||
* Corresponds to Korean Wansung encoding. See @FT_ENCODING_WANSUNG.
|
||||
* Korean Extended Wansung encoding. See @FT_ENCODING_WANSUNG.
|
||||
*
|
||||
* TT_MS_ID_JOHAB ::
|
||||
* Corresponds to Johab encoding. See @FT_ENCODING_JOHAB.
|
||||
* Korean Johab encoding. See @FT_ENCODING_JOHAB.
|
||||
*
|
||||
* TT_MS_ID_UCS_4 ::
|
||||
* Corresponds to UCS-4 or UTF-32 charmaps. This has been added to
|
||||
* the OpenType specification version 1.4 (mid-2001.)
|
||||
* UCS-4 or UTF-32 charmaps. This has been added to the OpenType
|
||||
* specification version 1.4 (mid-2001).
|
||||
*/
|
||||
|
||||
#define TT_MS_ID_SYMBOL_CS 0
|
||||
|
|
@ -317,17 +280,22 @@ FT_BEGIN_HEADER
|
|||
#define TT_ADOBE_ID_LATIN_1 3
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* Possible values of the language identifier field in the name records */
|
||||
/* of the TTF `name' table if the `platform' identifier code is */
|
||||
/* TT_PLATFORM_MACINTOSH. These values are also used as return values */
|
||||
/* for function @FT_Get_CMap_Language_ID. */
|
||||
/* */
|
||||
/* The canonical source for the Apple assigned Language ID's is at */
|
||||
/* */
|
||||
/* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6name.html */
|
||||
/* */
|
||||
/***********************************************************************
|
||||
*
|
||||
* @enum:
|
||||
* TT_MAC_LANGID_XXX
|
||||
*
|
||||
* @description:
|
||||
* Possible values of the language identifier field in the name records
|
||||
* of the SFNT `name' table if the `platform' identifier code is
|
||||
* @TT_PLATFORM_MACINTOSH. These values are also used as return values
|
||||
* for function @FT_Get_CMap_Language_ID.
|
||||
*
|
||||
* The canonical source for Apple's IDs is
|
||||
*
|
||||
* https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6name.html
|
||||
*/
|
||||
|
||||
#define TT_MAC_LANGID_ENGLISH 0
|
||||
#define TT_MAC_LANGID_FRENCH 1
|
||||
#define TT_MAC_LANGID_GERMAN 2
|
||||
|
|
@ -438,15 +406,6 @@ FT_BEGIN_HEADER
|
|||
#define TT_MAC_LANGID_JAVANESE 138
|
||||
#define TT_MAC_LANGID_SUNDANESE 139
|
||||
|
||||
|
||||
#if 0 /* these seem to be errors that have been dropped */
|
||||
|
||||
#define TT_MAC_LANGID_SCOTTISH_GAELIC 140
|
||||
#define TT_MAC_LANGID_IRISH_GAELIC 141
|
||||
|
||||
#endif
|
||||
|
||||
|
||||
/* The following codes are new as of 2000-03-10 */
|
||||
#define TT_MAC_LANGID_GALICIAN 140
|
||||
#define TT_MAC_LANGID_AFRIKAANS 141
|
||||
|
|
@ -461,16 +420,29 @@ FT_BEGIN_HEADER
|
|||
#define TT_MAC_LANGID_AZERBAIJANI_ROMAN_SCRIPT 150
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* Possible values of the language identifier field in the name records */
|
||||
/* of the TTF `name' table if the `platform' identifier code is */
|
||||
/* TT_PLATFORM_MICROSOFT. */
|
||||
/* */
|
||||
/* The canonical source for the MS assigned LCIDs is */
|
||||
/* */
|
||||
/* http://www.microsoft.com/globaldev/reference/lcid-all.mspx */
|
||||
/* */
|
||||
/***********************************************************************
|
||||
*
|
||||
* @enum:
|
||||
* TT_MS_LANGID_XXX
|
||||
*
|
||||
* @description:
|
||||
* Possible values of the language identifier field in the name records
|
||||
* of the SFNT `name' table if the `platform' identifier code is
|
||||
* @TT_PLATFORM_MICROSOFT. These values are also used as return values
|
||||
* for function @FT_Get_CMap_Language_ID.
|
||||
*
|
||||
* The canonical source for Microsoft's IDs is
|
||||
*
|
||||
* http://www.microsoft.com/globaldev/reference/lcid-all.mspx ,
|
||||
*
|
||||
* however, we only provide macros for language identifiers present in
|
||||
* the OpenType specification: Microsoft has abandoned the concept of
|
||||
* LCIDs (language code identifiers), and format~1 of the `name' table
|
||||
* provides a better mechanism for languages not covered here.
|
||||
*
|
||||
* More legacy values not listed in the reference can be found in the
|
||||
* @FT_TRUETYPE_IDS_H header file.
|
||||
*/
|
||||
|
||||
#define TT_MS_LANGID_ARABIC_SAUDI_ARABIA 0x0401
|
||||
#define TT_MS_LANGID_ARABIC_IRAQ 0x0801
|
||||
|
|
@ -804,11 +776,16 @@ FT_BEGIN_HEADER
|
|||
TT_MS_LANGID_UIGHUR_PRC
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* Possible values of the `name' identifier field in the name records of */
|
||||
/* the TTF `name' table. These values are platform independent. */
|
||||
/* */
|
||||
/***********************************************************************
|
||||
*
|
||||
* @enum:
|
||||
* TT_NAME_ID_XXX
|
||||
*
|
||||
* @description:
|
||||
* Possible values of the `name' identifier field in the name records of
|
||||
* an SFNT `name' table. These values are platform independent.
|
||||
*/
|
||||
|
||||
#define TT_NAME_ID_COPYRIGHT 0
|
||||
#define TT_NAME_ID_FONT_FAMILY 1
|
||||
#define TT_NAME_ID_FONT_SUBFAMILY 2
|
||||
|
|
@ -848,13 +825,21 @@ FT_BEGIN_HEADER
|
|||
/* This is new in OpenType 1.8 */
|
||||
#define TT_NAME_ID_VARIATIONS_PREFIX 25
|
||||
|
||||
/* */
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* Bit mask values for the Unicode Ranges from the TTF `OS2 ' table. */
|
||||
/* */
|
||||
/* Updated 08-Nov-2008. */
|
||||
/* */
|
||||
|
||||
/***********************************************************************
|
||||
*
|
||||
* @enum:
|
||||
* TT_UCR_XXX
|
||||
*
|
||||
* @description:
|
||||
* Possible bit mask values for the `ulUnicodeRangeX' fields in an SFNT
|
||||
* `OS/2' table.
|
||||
*/
|
||||
|
||||
/* ulUnicodeRange1 */
|
||||
/* --------------- */
|
||||
|
||||
/* Bit 0 Basic Latin */
|
||||
#define TT_UCR_BASIC_LATIN (1L << 0) /* U+0020-U+007E */
|
||||
|
|
@ -944,6 +929,10 @@ FT_BEGIN_HEADER
|
|||
/* Supplemental Punctuation */
|
||||
#define TT_UCR_GENERAL_PUNCTUATION (1L << 31) /* U+2000-U+206F */
|
||||
/* U+2E00-U+2E7F */
|
||||
|
||||
/* ulUnicodeRange2 */
|
||||
/* --------------- */
|
||||
|
||||
/* Bit 32 Superscripts And Subscripts */
|
||||
#define TT_UCR_SUPERSCRIPTS_SUBSCRIPTS (1L << 0) /* U+2070-U+209F */
|
||||
/* Bit 33 Currency Symbols */
|
||||
|
|
@ -1016,13 +1005,13 @@ FT_BEGIN_HEADER
|
|||
/* Bit 57 High Surrogates */
|
||||
/* High Private Use Surrogates */
|
||||
/* Low Surrogates */
|
||||
/* */
|
||||
|
||||
/* According to OpenType specs v.1.3+, */
|
||||
/* setting bit 57 implies that there is */
|
||||
/* at least one codepoint beyond the */
|
||||
/* Basic Multilingual Plane that is */
|
||||
/* supported by this font. So it really */
|
||||
/* means >= U+10000 */
|
||||
/* means >= U+10000. */
|
||||
#define TT_UCR_SURROGATES (1L << 25) /* U+D800-U+DB7F */
|
||||
/* U+DB80-U+DBFF */
|
||||
/* U+DC00-U+DFFF */
|
||||
|
|
@ -1055,6 +1044,10 @@ FT_BEGIN_HEADER
|
|||
#define TT_UCR_ALPHABETIC_PRESENTATION_FORMS (1L << 30) /* U+FB00-U+FB4F */
|
||||
/* Bit 63 Arabic Presentation Forms-A */
|
||||
#define TT_UCR_ARABIC_PRESENTATION_FORMS_A (1L << 31) /* U+FB50-U+FDFF */
|
||||
|
||||
/* ulUnicodeRange3 */
|
||||
/* --------------- */
|
||||
|
||||
/* Bit 64 Combining Half Marks */
|
||||
#define TT_UCR_COMBINING_HALF_MARKS (1L << 0) /* U+FE20-U+FE2F */
|
||||
/* Bit 65 Vertical forms */
|
||||
|
|
@ -1143,6 +1136,10 @@ FT_BEGIN_HEADER
|
|||
#define TT_UCR_TAI_LE (1L << 30) /* U+1950-U+197F */
|
||||
/* Bit 95 New Tai Lue */
|
||||
#define TT_UCR_NEW_TAI_LUE (1L << 31) /* U+1980-U+19DF */
|
||||
|
||||
/* ulUnicodeRange4 */
|
||||
/* --------------- */
|
||||
|
||||
/* Bit 96 Buginese */
|
||||
#define TT_UCR_BUGINESE (1L << 0) /* U+1A00-U+1A1F */
|
||||
/* Bit 97 Glagolitic */
|
||||
|
|
@ -1211,6 +1208,7 @@ FT_BEGIN_HEADER
|
|||
/*U+1F000-U+1F02F*/
|
||||
/* Bit 123-127 Reserved for process-internal usage */
|
||||
|
||||
/* */
|
||||
|
||||
/* for backwards compatibility with older FreeType versions */
|
||||
#define TT_UCR_ARABIC_PRESENTATION_A \
|
||||
|
|
|
|||
|
|
@ -45,8 +45,9 @@ FT_BEGIN_HEADER
|
|||
/* TrueType specific table types and functions. */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* This section contains the definition of TrueType-specific tables */
|
||||
/* as well as some routines used to access and process them. */
|
||||
/* This section contains definitions of some basic tables specific to */
|
||||
/* TrueType and OpenType as well as some routines used to access and */
|
||||
/* process them. */
|
||||
/* */
|
||||
/* <Order> */
|
||||
/* TT_Header */
|
||||
|
|
@ -76,8 +77,8 @@ FT_BEGIN_HEADER
|
|||
/* TT_Header */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType font header table. All */
|
||||
/* fields follow the TrueType specification. */
|
||||
/* A structure to model a TrueType font header table. All fields */
|
||||
/* follow the OpenType specification. */
|
||||
/* */
|
||||
typedef struct TT_Header_
|
||||
{
|
||||
|
|
@ -114,9 +115,9 @@ FT_BEGIN_HEADER
|
|||
/* TT_HoriHeader */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType horizontal header, the `hhea' */
|
||||
/* A structure to model a TrueType horizontal header, the `hhea' */
|
||||
/* table, as well as the corresponding horizontal metrics table, */
|
||||
/* i.e., the `hmtx' table. */
|
||||
/* `hmtx'. */
|
||||
/* */
|
||||
/* <Fields> */
|
||||
/* Version :: The table version. */
|
||||
|
|
@ -131,7 +132,7 @@ FT_BEGIN_HEADER
|
|||
/* glyphs found in the font (maybe ASCII). */
|
||||
/* */
|
||||
/* You should use the `sTypoAscender' field */
|
||||
/* of the OS/2 table instead if you want */
|
||||
/* of the `OS/2' table instead if you want */
|
||||
/* the correct one. */
|
||||
/* */
|
||||
/* Descender :: The font's descender, i.e., the distance */
|
||||
|
|
@ -145,7 +146,7 @@ FT_BEGIN_HEADER
|
|||
/* glyphs found in the font (maybe ASCII). */
|
||||
/* */
|
||||
/* You should use the `sTypoDescender' */
|
||||
/* field of the OS/2 table instead if you */
|
||||
/* field of the `OS/2' table instead if you */
|
||||
/* want the correct one. */
|
||||
/* */
|
||||
/* Line_Gap :: The font's line gap, i.e., the distance */
|
||||
|
|
@ -195,14 +196,6 @@ FT_BEGIN_HEADER
|
|||
/* friends) if the font contains an `MVAR' table: `caret_Slope_Rise', */
|
||||
/* `caret_Slope_Run', and `caret_Offset'. */
|
||||
/* */
|
||||
/* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */
|
||||
/* be identical except for the names of their fields, */
|
||||
/* which are different. */
|
||||
/* */
|
||||
/* This ensures that a single function in the `ttload' */
|
||||
/* module is able to read both the horizontal and vertical */
|
||||
/* headers. */
|
||||
/* */
|
||||
typedef struct TT_HoriHeader_
|
||||
{
|
||||
FT_Fixed Version;
|
||||
|
|
@ -224,7 +217,7 @@ FT_BEGIN_HEADER
|
|||
FT_Short metric_Data_Format;
|
||||
FT_UShort number_Of_HMetrics;
|
||||
|
||||
/* The following fields are not defined by the TrueType specification */
|
||||
/* The following fields are not defined by the OpenType specification */
|
||||
/* but they are used to connect the metrics header to the relevant */
|
||||
/* `hmtx' table. */
|
||||
|
||||
|
|
@ -241,8 +234,8 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType vertical header, the `vhea' */
|
||||
/* table, as well as the corresponding vertical metrics table, i.e., */
|
||||
/* the `vmtx' table. */
|
||||
/* table, as well as the corresponding vertical metrics table, */
|
||||
/* `vmtx'. */
|
||||
/* */
|
||||
/* <Fields> */
|
||||
/* Version :: The table version. */
|
||||
|
|
@ -258,8 +251,8 @@ FT_BEGIN_HEADER
|
|||
/* ASCII). */
|
||||
/* */
|
||||
/* You should use the `sTypoAscender' */
|
||||
/* field of the OS/2 table instead if you */
|
||||
/* want the correct one. */
|
||||
/* field of the `OS/2' table instead if */
|
||||
/* you want the correct one. */
|
||||
/* */
|
||||
/* Descender :: The font's descender, i.e., the */
|
||||
/* distance from the baseline to the */
|
||||
|
|
@ -273,8 +266,8 @@ FT_BEGIN_HEADER
|
|||
/* ASCII). */
|
||||
/* */
|
||||
/* You should use the `sTypoDescender' */
|
||||
/* field of the OS/2 table instead if you */
|
||||
/* want the correct one. */
|
||||
/* field of the `OS/2' table instead if */
|
||||
/* you want the correct one. */
|
||||
/* */
|
||||
/* Line_Gap :: The font's line gap, i.e., the distance */
|
||||
/* to add to the ascender and descender to */
|
||||
|
|
@ -309,7 +302,7 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* metric_Data_Format :: Always~0. */
|
||||
/* */
|
||||
/* number_Of_HMetrics :: Number of VMetrics entries in the */
|
||||
/* number_Of_VMetrics :: Number of VMetrics entries in the */
|
||||
/* `vmtx' table -- this value can be */
|
||||
/* smaller than the total number of glyphs */
|
||||
/* in the font. */
|
||||
|
|
@ -325,14 +318,6 @@ FT_BEGIN_HEADER
|
|||
/* `Descender', `Line_Gap', `caret_Slope_Rise', `caret_Slope_Run', */
|
||||
/* and `caret_Offset'. */
|
||||
/* */
|
||||
/* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */
|
||||
/* be identical except for the names of their fields, */
|
||||
/* which are different. */
|
||||
/* */
|
||||
/* This ensures that a single function in the `ttload' */
|
||||
/* module is able to read both the horizontal and vertical */
|
||||
/* headers. */
|
||||
/* */
|
||||
typedef struct TT_VertHeader_
|
||||
{
|
||||
FT_Fixed Version;
|
||||
|
|
@ -342,9 +327,9 @@ FT_BEGIN_HEADER
|
|||
|
||||
FT_UShort advance_Height_Max; /* advance height maximum */
|
||||
|
||||
FT_Short min_Top_Side_Bearing; /* minimum left-sb or top-sb */
|
||||
FT_Short min_Bottom_Side_Bearing; /* minimum right-sb or bottom-sb */
|
||||
FT_Short yMax_Extent; /* xmax or ymax extents */
|
||||
FT_Short min_Top_Side_Bearing; /* minimum top-sb */
|
||||
FT_Short min_Bottom_Side_Bearing; /* minimum bottom-sb */
|
||||
FT_Short yMax_Extent; /* ymax extents */
|
||||
FT_Short caret_Slope_Rise;
|
||||
FT_Short caret_Slope_Run;
|
||||
FT_Short caret_Offset;
|
||||
|
|
@ -354,9 +339,9 @@ FT_BEGIN_HEADER
|
|||
FT_Short metric_Data_Format;
|
||||
FT_UShort number_Of_VMetrics;
|
||||
|
||||
/* The following fields are not defined by the TrueType specification */
|
||||
/* The following fields are not defined by the OpenType specification */
|
||||
/* but they are used to connect the metrics header to the relevant */
|
||||
/* `hmtx' or `vmtx' table. */
|
||||
/* `vmtx' table. */
|
||||
|
||||
void* long_metrics;
|
||||
void* short_metrics;
|
||||
|
|
@ -370,12 +355,14 @@ FT_BEGIN_HEADER
|
|||
/* TT_OS2 */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType `OS/2' table. All fields */
|
||||
/* comply to the OpenType specification. */
|
||||
/* A structure to model a TrueType `OS/2' table. All fields comply */
|
||||
/* to the OpenType specification. */
|
||||
/* */
|
||||
/* Note that we now support old Mac fonts that do not include an OS/2 */
|
||||
/* table. In this case, the `version' field is always set to 0xFFFF. */
|
||||
/* Note that we now support old Mac fonts that do not include an */
|
||||
/* `OS/2' table. In this case, the `version' field is always set to */
|
||||
/* 0xFFFF. */
|
||||
/* */
|
||||
/* <Note> */
|
||||
/* For an OpenType variation font, the values of the following fields */
|
||||
/* can change after a call to @FT_Set_Var_Design_Coordinates (and */
|
||||
/* friends) if the font contains an `MVAR' table: `sCapHeight', */
|
||||
|
|
@ -385,6 +372,10 @@ FT_BEGIN_HEADER
|
|||
/* `ySubscriptYOffset', `ySubscriptYSize', `ySuperscriptXOffset', */
|
||||
/* `ySuperscriptXSize', `ySuperscriptYOffset', and */
|
||||
/* `ySuperscriptYSize'. */
|
||||
/* */
|
||||
/* Possible values for bits in the `ulUnicodeRangeX' fields are given */
|
||||
/* by the @TT_UCR_XXX macros. */
|
||||
/* */
|
||||
|
||||
typedef struct TT_OS2_
|
||||
{
|
||||
|
|
@ -450,10 +441,10 @@ FT_BEGIN_HEADER
|
|||
/* TT_Postscript */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType `post' table. All fields */
|
||||
/* comply to the TrueType specification. This structure does not */
|
||||
/* reference the PostScript glyph names, which can be nevertheless */
|
||||
/* accessed with the `ttpost' module. */
|
||||
/* A structure to model a TrueType `post' table. All fields comply */
|
||||
/* to the OpenType specification. This structure does not reference */
|
||||
/* a font's PostScript glyph names; use @FT_Get_Glyph_Name to */
|
||||
/* retrieve them. */
|
||||
/* */
|
||||
/* <Note> */
|
||||
/* For an OpenType variation font, the values of the following fields */
|
||||
|
|
@ -473,8 +464,8 @@ FT_BEGIN_HEADER
|
|||
FT_ULong minMemType1;
|
||||
FT_ULong maxMemType1;
|
||||
|
||||
/* Glyph names follow in the file, but we don't */
|
||||
/* load them by default. See file `ttpost.c'. */
|
||||
/* Glyph names follow in the `post' table, but we don't */
|
||||
/* load them by default. */
|
||||
|
||||
} TT_Postscript;
|
||||
|
||||
|
|
@ -485,8 +476,8 @@ FT_BEGIN_HEADER
|
|||
/* TT_PCLT */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* A structure used to model a TrueType `PCLT' table. All fields */
|
||||
/* comply to the TrueType specification. */
|
||||
/* A structure to model a TrueType `PCLT' table. All fields comply */
|
||||
/* to the OpenType specification. */
|
||||
/* */
|
||||
typedef struct TT_PCLT_
|
||||
{
|
||||
|
|
@ -516,8 +507,8 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* <Description> */
|
||||
/* The maximum profile (`maxp') table contains many max values, which */
|
||||
/* can be used to pre-allocate arrays. This ensures that no memory */
|
||||
/* allocation occurs during a glyph load. */
|
||||
/* can be used to pre-allocate arrays for speeding up glyph loading */
|
||||
/* and hinting. */
|
||||
/* */
|
||||
/* <Fields> */
|
||||
/* version :: The version number. */
|
||||
|
|
@ -527,21 +518,19 @@ FT_BEGIN_HEADER
|
|||
/* */
|
||||
/* maxPoints :: The maximum number of points in a */
|
||||
/* non-composite TrueType glyph. See also */
|
||||
/* the structure element */
|
||||
/* `maxCompositePoints'. */
|
||||
/* */
|
||||
/* maxContours :: The maximum number of contours in a */
|
||||
/* non-composite TrueType glyph. See also */
|
||||
/* the structure element */
|
||||
/* `maxCompositeContours'. */
|
||||
/* */
|
||||
/* maxCompositePoints :: The maximum number of points in a */
|
||||
/* composite TrueType glyph. See also the */
|
||||
/* structure element `maxPoints'. */
|
||||
/* composite TrueType glyph. See also */
|
||||
/* `maxPoints'. */
|
||||
/* */
|
||||
/* maxCompositeContours :: The maximum number of contours in a */
|
||||
/* composite TrueType glyph. See also the */
|
||||
/* structure element `maxContours'. */
|
||||
/* composite TrueType glyph. See also */
|
||||
/* `maxContours'. */
|
||||
/* */
|
||||
/* maxZones :: The maximum number of zones used for */
|
||||
/* glyph hinting. */
|
||||
|
|
@ -602,8 +591,9 @@ FT_BEGIN_HEADER
|
|||
/* FT_Sfnt_Tag */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* An enumeration used to specify the index of an SFNT table. */
|
||||
/* Used in the @FT_Get_Sfnt_Table API function. */
|
||||
/* An enumeration to specify indices of SFNT tables loaded and parsed */
|
||||
/* by FreeType during initialization of an SFNT font. Used in the */
|
||||
/* @FT_Get_Sfnt_Table API function. */
|
||||
/* */
|
||||
/* <Values> */
|
||||
/* FT_SFNT_HEAD :: To access the font's @TT_Header structure. */
|
||||
|
|
@ -651,7 +641,7 @@ FT_BEGIN_HEADER
|
|||
/* FT_Get_Sfnt_Table */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* Return a pointer to a given SFNT table within a face. */
|
||||
/* Return a pointer to a given SFNT table stored within a face. */
|
||||
/* */
|
||||
/* <Input> */
|
||||
/* face :: A handle to the source. */
|
||||
|
|
@ -659,7 +649,7 @@ FT_BEGIN_HEADER
|
|||
/* tag :: The index of the SFNT table. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* A type-less pointer to the table. This will be~0 in case of */
|
||||
/* A type-less pointer to the table. This will be NULL in case of */
|
||||
/* error, or if the corresponding table was not found *OR* loaded */
|
||||
/* from the file. */
|
||||
/* */
|
||||
|
|
@ -688,70 +678,70 @@ FT_BEGIN_HEADER
|
|||
FT_Sfnt_Tag tag );
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* @function:
|
||||
* FT_Load_Sfnt_Table
|
||||
*
|
||||
* @description:
|
||||
* Load any font table into client memory.
|
||||
*
|
||||
* @input:
|
||||
* face ::
|
||||
* A handle to the source face.
|
||||
*
|
||||
* tag ::
|
||||
* The four-byte tag of the table to load. Use the value~0 if you want
|
||||
* to access the whole font file. Otherwise, you can use one of the
|
||||
* definitions found in the @FT_TRUETYPE_TAGS_H file, or forge a new
|
||||
* one with @FT_MAKE_TAG.
|
||||
*
|
||||
* offset ::
|
||||
* The starting offset in the table (or file if tag == 0).
|
||||
*
|
||||
* @output:
|
||||
* buffer ::
|
||||
* The target buffer address. The client must ensure that the memory
|
||||
* array is big enough to hold the data.
|
||||
*
|
||||
* @inout:
|
||||
* length ::
|
||||
* If the `length' parameter is NULL, then try to load the whole table.
|
||||
* Return an error code if it fails.
|
||||
*
|
||||
* Else, if `*length' is~0, exit immediately while returning the
|
||||
* table's (or file) full size in it.
|
||||
*
|
||||
* Else the number of bytes to read from the table or file, from the
|
||||
* starting offset.
|
||||
*
|
||||
* @return:
|
||||
* FreeType error code. 0~means success.
|
||||
*
|
||||
* @note:
|
||||
* If you need to determine the table's length you should first call this
|
||||
* function with `*length' set to~0, as in the following example:
|
||||
*
|
||||
* {
|
||||
* FT_ULong length = 0;
|
||||
*
|
||||
*
|
||||
* error = FT_Load_Sfnt_Table( face, tag, 0, NULL, &length );
|
||||
* if ( error ) { ... table does not exist ... }
|
||||
*
|
||||
* buffer = malloc( length );
|
||||
* if ( buffer == NULL ) { ... not enough memory ... }
|
||||
*
|
||||
* error = FT_Load_Sfnt_Table( face, tag, 0, buffer, &length );
|
||||
* if ( error ) { ... could not load table ... }
|
||||
* }
|
||||
*
|
||||
* Note that structures like @TT_Header or @TT_OS2 can't be used with
|
||||
* this function; they are limited to @FT_Get_Sfnt_Table. Reason is that
|
||||
* those structures depend on the processor architecture, with varying
|
||||
* size (e.g. 32bit vs. 64bit) or order (big endian vs. little endian).
|
||||
*
|
||||
*/
|
||||
/**************************************************************************
|
||||
*
|
||||
* @function:
|
||||
* FT_Load_Sfnt_Table
|
||||
*
|
||||
* @description:
|
||||
* Load any SFNT font table into client memory.
|
||||
*
|
||||
* @input:
|
||||
* face ::
|
||||
* A handle to the source face.
|
||||
*
|
||||
* tag ::
|
||||
* The four-byte tag of the table to load. Use value~0 if you want
|
||||
* to access the whole font file. Otherwise, you can use one of the
|
||||
* definitions found in the @FT_TRUETYPE_TAGS_H file, or forge a new
|
||||
* one with @FT_MAKE_TAG.
|
||||
*
|
||||
* offset ::
|
||||
* The starting offset in the table (or file if tag~==~0).
|
||||
*
|
||||
* @output:
|
||||
* buffer ::
|
||||
* The target buffer address. The client must ensure that the memory
|
||||
* array is big enough to hold the data.
|
||||
*
|
||||
* @inout:
|
||||
* length ::
|
||||
* If the `length' parameter is NULL, try to load the whole table.
|
||||
* Return an error code if it fails.
|
||||
*
|
||||
* Else, if `*length' is~0, exit immediately while returning the
|
||||
* table's (or file) full size in it.
|
||||
*
|
||||
* Else the number of bytes to read from the table or file, from the
|
||||
* starting offset.
|
||||
*
|
||||
* @return:
|
||||
* FreeType error code. 0~means success.
|
||||
*
|
||||
* @note:
|
||||
* If you need to determine the table's length you should first call this
|
||||
* function with `*length' set to~0, as in the following example:
|
||||
*
|
||||
* {
|
||||
* FT_ULong length = 0;
|
||||
*
|
||||
*
|
||||
* error = FT_Load_Sfnt_Table( face, tag, 0, NULL, &length );
|
||||
* if ( error ) { ... table does not exist ... }
|
||||
*
|
||||
* buffer = malloc( length );
|
||||
* if ( buffer == NULL ) { ... not enough memory ... }
|
||||
*
|
||||
* error = FT_Load_Sfnt_Table( face, tag, 0, buffer, &length );
|
||||
* if ( error ) { ... could not load table ... }
|
||||
* }
|
||||
*
|
||||
* Note that structures like @TT_Header or @TT_OS2 can't be used with
|
||||
* this function; they are limited to @FT_Get_Sfnt_Table. Reason is that
|
||||
* those structures depend on the processor architecture, with varying
|
||||
* size (e.g. 32bit vs. 64bit) or order (big endian vs. little endian).
|
||||
*
|
||||
*/
|
||||
FT_EXPORT( FT_Error )
|
||||
FT_Load_Sfnt_Table( FT_Face face,
|
||||
FT_ULong tag,
|
||||
|
|
@ -760,41 +750,41 @@ FT_BEGIN_HEADER
|
|||
FT_ULong* length );
|
||||
|
||||
|
||||
/**************************************************************************
|
||||
*
|
||||
* @function:
|
||||
* FT_Sfnt_Table_Info
|
||||
*
|
||||
* @description:
|
||||
* Return information on an SFNT table.
|
||||
*
|
||||
* @input:
|
||||
* face ::
|
||||
* A handle to the source face.
|
||||
*
|
||||
* table_index ::
|
||||
* The index of an SFNT table. The function returns
|
||||
* FT_Err_Table_Missing for an invalid value.
|
||||
*
|
||||
* @inout:
|
||||
* tag ::
|
||||
* The name tag of the SFNT table. If the value is NULL, `table_index'
|
||||
* is ignored, and `length' returns the number of SFNT tables in the
|
||||
* font.
|
||||
*
|
||||
* @output:
|
||||
* length ::
|
||||
* The length of the SFNT table (or the number of SFNT tables, depending
|
||||
* on `tag').
|
||||
*
|
||||
* @return:
|
||||
* FreeType error code. 0~means success.
|
||||
*
|
||||
* @note:
|
||||
* While parsing fonts, FreeType handles SFNT tables with length zero as
|
||||
* missing.
|
||||
*
|
||||
*/
|
||||
/**************************************************************************
|
||||
*
|
||||
* @function:
|
||||
* FT_Sfnt_Table_Info
|
||||
*
|
||||
* @description:
|
||||
* Return information on an SFNT table.
|
||||
*
|
||||
* @input:
|
||||
* face ::
|
||||
* A handle to the source face.
|
||||
*
|
||||
* table_index ::
|
||||
* The index of an SFNT table. The function returns
|
||||
* FT_Err_Table_Missing for an invalid value.
|
||||
*
|
||||
* @inout:
|
||||
* tag ::
|
||||
* The name tag of the SFNT table. If the value is NULL, `table_index'
|
||||
* is ignored, and `length' returns the number of SFNT tables in the
|
||||
* font.
|
||||
*
|
||||
* @output:
|
||||
* length ::
|
||||
* The length of the SFNT table (or the number of SFNT tables, depending
|
||||
* on `tag').
|
||||
*
|
||||
* @return:
|
||||
* FreeType error code. 0~means success.
|
||||
*
|
||||
* @note:
|
||||
* While parsing fonts, FreeType handles SFNT tables with length zero as
|
||||
* missing.
|
||||
*
|
||||
*/
|
||||
FT_EXPORT( FT_Error )
|
||||
FT_Sfnt_Table_Info( FT_Face face,
|
||||
FT_UInt table_index,
|
||||
|
|
@ -808,16 +798,16 @@ FT_BEGIN_HEADER
|
|||
/* FT_Get_CMap_Language_ID */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* Return TrueType/sfnt specific cmap language ID. Definitions of */
|
||||
/* language ID values are in `ttnameid.h'. */
|
||||
/* Return cmap language ID as specified in the OpenType standard. */
|
||||
/* Definitions of language ID values are in file @FT_TRUETYPE_IDS_H. */
|
||||
/* */
|
||||
/* <Input> */
|
||||
/* charmap :: */
|
||||
/* The target charmap. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* The language ID of `charmap'. If `charmap' doesn't belong to a */
|
||||
/* TrueType/sfnt face, just return~0 as the default value. */
|
||||
/* The language ID of `charmap'. If `charmap' doesn't belong to an */
|
||||
/* SFNT face, just return~0 as the default value. */
|
||||
/* */
|
||||
/* For a format~14 cmap (to access Unicode IVS), the return value is */
|
||||
/* 0xFFFFFFFF. */
|
||||
|
|
@ -832,15 +822,15 @@ FT_BEGIN_HEADER
|
|||
/* FT_Get_CMap_Format */
|
||||
/* */
|
||||
/* <Description> */
|
||||
/* Return TrueType/sfnt specific cmap format. */
|
||||
/* Return the format of an SFNT `cmap' table. */
|
||||
/* */
|
||||
/* <Input> */
|
||||
/* charmap :: */
|
||||
/* The target charmap. */
|
||||
/* */
|
||||
/* <Return> */
|
||||
/* The format of `charmap'. If `charmap' doesn't belong to a */
|
||||
/* TrueType/sfnt face, return -1. */
|
||||
/* The format of `charmap'. If `charmap' doesn't belong to an SFNT */
|
||||
/* face, return -1. */
|
||||
/* */
|
||||
FT_EXPORT( FT_Long )
|
||||
FT_Get_CMap_Format( FT_CharMap charmap );
|
||||
|
|
|
|||
|
|
@ -30,6 +30,14 @@
|
|||
#include "sferrors.h"
|
||||
|
||||
|
||||
/* IMPORTANT: The TT_HoriHeader and TT_VertHeader structures should */
|
||||
/* be identical except for the names of their fields, */
|
||||
/* which are different. */
|
||||
/* */
|
||||
/* This ensures that `tt_face_load_hmtx' is able to read */
|
||||
/* both the horizontal and vertical headers. */
|
||||
|
||||
|
||||
/*************************************************************************/
|
||||
/* */
|
||||
/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
|
||||
|
|
|
|||
Loading…
Reference in New Issue