diff options
Diffstat (limited to 'include/freetype/fttypes.h')
| -rw-r--r-- | include/freetype/fttypes.h | 28 |
1 files changed, 19 insertions, 9 deletions
diff --git a/include/freetype/fttypes.h b/include/freetype/fttypes.h index 3255527..027e59c 100644 --- a/include/freetype/fttypes.h +++ b/include/freetype/fttypes.h @@ -4,7 +4,7 @@ /* */ /* FreeType simple types definitions (specification only). */ /* */ -/* Copyright 1996-2002, 2004, 2006-2009, 2012 by */ +/* Copyright 1996-2002, 2004, 2006-2009, 2012, 2013 by */ /* David Turner, Robert Wilhelm, and Werner Lemberg. */ /* */ /* This file is part of the FreeType project, and may only be used, */ @@ -255,7 +255,7 @@ FT_BEGIN_HEADER /* FT_F2Dot14 */ /* */ /* <Description> */ - /* A signed 2.14 fixed float type used for unit vectors. */ + /* A signed 2.14 fixed-point type used for unit vectors. */ /* */ typedef signed short FT_F2Dot14; @@ -266,7 +266,7 @@ FT_BEGIN_HEADER /* FT_F26Dot6 */ /* */ /* <Description> */ - /* A signed 26.6 fixed float type used for vectorial pixel */ + /* A signed 26.6 fixed-point type used for vectorial pixel */ /* coordinates. */ /* */ typedef signed long FT_F26Dot6; @@ -278,7 +278,7 @@ FT_BEGIN_HEADER /* FT_Fixed */ /* */ /* <Description> */ - /* This type is used to store 16.16 fixed float values, like scaling */ + /* This type is used to store 16.16 fixed-point values, like scaling */ /* values or matrix coefficients. */ /* */ typedef signed long FT_Fixed; @@ -362,7 +362,7 @@ FT_BEGIN_HEADER /* */ /* <Description> */ /* A simple structure used to store a 2x2 matrix. Coefficients are */ - /* in 16.16 fixed float format. The computation performed is: */ + /* in 16.16 fixed-point format. The computation performed is: */ /* */ /* { */ /* x' = x*xx + y*xy */ @@ -571,14 +571,24 @@ FT_BEGIN_HEADER /* */ #define FT_IS_EMPTY( list ) ( (list).head == 0 ) +#define FT_BOOL( x ) ( (FT_Bool)( x ) ) - /* return base error code (without module-specific prefix) */ -#define FT_ERROR_BASE( x ) ( (x) & 0xFF ) + /* concatenate C tokens */ +#define FT_ERR_XCAT( x, y ) x ## y +#define FT_ERR_CAT( x, y ) FT_ERR_XCAT( x, y ) + + /* see `ftmoderr.h' for descriptions of the following macros */ + +#define FT_ERR( e ) FT_ERR_CAT( FT_ERR_PREFIX, e ) - /* return module error code */ +#define FT_ERROR_BASE( x ) ( (x) & 0xFF ) #define FT_ERROR_MODULE( x ) ( (x) & 0xFF00U ) -#define FT_BOOL( x ) ( (FT_Bool)( x ) ) +#define FT_ERR_EQ( x, e ) \ + ( FT_ERROR_BASE( x ) == FT_ERROR_BASE( FT_ERR( e ) ) ) +#define FT_ERR_NEQ( x, e ) \ + ( FT_ERROR_BASE( x ) != FT_ERROR_BASE( FT_ERR( e ) ) ) + FT_END_HEADER |