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-rw-r--r--third_party/freetype/include/freetype/tttables.h61
1 files changed, 44 insertions, 17 deletions
diff --git a/third_party/freetype/include/freetype/tttables.h b/third_party/freetype/include/freetype/tttables.h
index 1568f40364..7a278e2b19 100644
--- a/third_party/freetype/include/freetype/tttables.h
+++ b/third_party/freetype/include/freetype/tttables.h
@@ -5,7 +5,7 @@
/* Basic SFNT/TrueType tables definitions and interface */
/* (specification only). */
/* */
-/* Copyright 1996-2015 by */
+/* Copyright 1996-2017 by */
/* David Turner, Robert Wilhelm, and Werner Lemberg. */
/* */
/* This file is part of the FreeType project, and may only be used, */
@@ -17,8 +17,8 @@
/***************************************************************************/
-#ifndef __TTTABLES_H__
-#define __TTTABLES_H__
+#ifndef TTTABLES_H_
+#define TTTABLES_H_
#include <ft2build.h>
@@ -175,6 +175,8 @@ FT_BEGIN_HEADER
/* caret_Slope_Run :: The run coefficient of the cursor's */
/* slope. */
/* */
+ /* caret_Offset :: The cursor's offset for slanted fonts. */
+ /* */
/* Reserved :: 8~reserved bytes. */
/* */
/* metric_Data_Format :: Always~0. */
@@ -188,6 +190,11 @@ FT_BEGIN_HEADER
/* short_metrics :: A pointer into the `hmtx' table. */
/* */
/* <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: `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. */
@@ -219,7 +226,7 @@ FT_BEGIN_HEADER
/* The following fields are not defined by the TrueType specification */
/* but they are used to connect the metrics header to the relevant */
- /* `HMTX' table. */
+ /* `hmtx' table. */
void* long_metrics;
void* short_metrics;
@@ -297,8 +304,6 @@ FT_BEGIN_HEADER
/* slope. */
/* */
/* caret_Offset :: The cursor's offset for slanted fonts. */
- /* This value is `reserved' in vmtx */
- /* version 1.0. */
/* */
/* Reserved :: 8~reserved bytes. */
/* */
@@ -309,11 +314,17 @@ FT_BEGIN_HEADER
/* smaller than the total number of glyphs */
/* in the font. */
/* */
- /* long_metrics :: A pointer into the `vmtx' table. */
+ /* long_metrics :: A pointer into the `vmtx' table. */
/* */
- /* short_metrics :: A pointer into the `vmtx' table. */
+ /* short_metrics :: A pointer into the `vmtx' table. */
/* */
/* <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: `Ascender', */
+ /* `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. */
@@ -344,8 +355,8 @@ FT_BEGIN_HEADER
FT_UShort number_Of_VMetrics;
/* The following fields are not defined by the TrueType specification */
- /* but they're used to connect the metrics header to the relevant */
- /* `HMTX' or `VMTX' table. */
+ /* but they are used to connect the metrics header to the relevant */
+ /* `hmtx' or `vmtx' table. */
void* long_metrics;
void* short_metrics;
@@ -359,12 +370,22 @@ FT_BEGIN_HEADER
/* TT_OS2 */
/* */
/* <Description> */
- /* A structure used to model a TrueType OS/2 table. All fields */
+ /* A structure used 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. */
/* */
+ /* 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', */
+ /* `sTypoAscender', `sTypoDescender', `sTypoLineGap', `sxHeight', */
+ /* `usWinAscent', `usWinDescent', `yStrikeoutPosition', */
+ /* `yStrikeoutSize', `ySubscriptXOffset', `ySubScriptXSize', */
+ /* `ySubscriptYOffset', `ySubscriptYSize', `ySuperscriptXOffset', */
+ /* `ySuperscriptXSize', `ySuperscriptYOffset', and */
+ /* `ySuperscriptYSize'. */
+
typedef struct TT_OS2_
{
FT_UShort version; /* 0x0001 - more or 0xFFFF */
@@ -429,11 +450,17 @@ FT_BEGIN_HEADER
/* TT_Postscript */
/* */
/* <Description> */
- /* A structure used to model a TrueType PostScript table. All fields */
+ /* 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. */
/* */
+ /* <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: `underlinePosition' */
+ /* and `underlineThickness'. */
+ /* */
typedef struct TT_Postscript_
{
FT_Fixed FormatType;
@@ -447,7 +474,7 @@ FT_BEGIN_HEADER
FT_ULong maxMemType1;
/* Glyph names follow in the file, but we don't */
- /* load them by default. See the ttpost.c file. */
+ /* load them by default. See file `ttpost.c'. */
} TT_Postscript;
@@ -458,7 +485,7 @@ FT_BEGIN_HEADER
/* TT_PCLT */
/* */
/* <Description> */
- /* A structure used to model a TrueType PCLT table. All fields */
+ /* A structure used to model a TrueType `PCLT' table. All fields */
/* comply to the TrueType specification. */
/* */
typedef struct TT_PCLT_
@@ -488,7 +515,7 @@ FT_BEGIN_HEADER
/* TT_MaxProfile */
/* */
/* <Description> */
- /* The maximum profile is a table containing many max values, which */
+ /* 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. */
/* */
@@ -587,7 +614,7 @@ FT_BEGIN_HEADER
/* */
/* FT_SFNT_HHEA :: To access the font's @TT_HoriHeader structure. */
/* */
- /* FT_SFNT_VHEA :: To access the font's @TT_VertHeader struture. */
+ /* FT_SFNT_VHEA :: To access the font's @TT_VertHeader structure. */
/* */
/* FT_SFNT_POST :: To access the font's @TT_Postscript structure. */
/* */
@@ -823,7 +850,7 @@ FT_BEGIN_HEADER
FT_END_HEADER
-#endif /* __TTTABLES_H__ */
+#endif /* TTTABLES_H_ */
/* END */
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:04:51 +0000