| Index: include/freetype/internal/ftcalc.h
|
| diff --git a/include/freetype/internal/ftcalc.h b/include/freetype/internal/ftcalc.h
|
| index f8b4324777eaa10a4fb2b949bc9d26fbfad0bb76..faac3a38675b5619517b8e3aac505741bf8bfd69 100644
|
| --- a/include/freetype/internal/ftcalc.h
|
| +++ b/include/freetype/internal/ftcalc.h
|
| @@ -4,7 +4,7 @@
|
| /* */
|
| /* Arithmetic computations (specification). */
|
| /* */
|
| -/* Copyright 1996-2001, 2002, 2003, 2004, 2005, 2006, 2008, 2009 by */
|
| +/* Copyright 1996-2006, 2008, 2009, 2012-2013 by */
|
| /* David Turner, Robert Wilhelm, and Werner Lemberg. */
|
| /* */
|
| /* This file is part of the FreeType project, and may only be used, */
|
| @@ -33,7 +33,7 @@ FT_BEGIN_HEADER
|
| /* FT_FixedSqrt */
|
| /* */
|
| /* <Description> */
|
| - /* Computes the square root of a 16.16 fixed point value. */
|
| + /* Computes the square root of a 16.16 fixed-point value. */
|
| /* */
|
| /* <Input> */
|
| /* x :: The value to compute the root for. */
|
| @@ -48,29 +48,6 @@ FT_BEGIN_HEADER
|
| FT_SqrtFixed( FT_Int32 x );
|
|
|
|
|
| -#ifdef FT_CONFIG_OPTION_OLD_INTERNALS
|
| -
|
| - /*************************************************************************/
|
| - /* */
|
| - /* <Function> */
|
| - /* FT_Sqrt32 */
|
| - /* */
|
| - /* <Description> */
|
| - /* Computes the square root of an Int32 integer (which will be */
|
| - /* handled as an unsigned long value). */
|
| - /* */
|
| - /* <Input> */
|
| - /* x :: The value to compute the root for. */
|
| - /* */
|
| - /* <Return> */
|
| - /* The result of `sqrt(x)'. */
|
| - /* */
|
| - FT_EXPORT( FT_Int32 )
|
| - FT_Sqrt32( FT_Int32 x );
|
| -
|
| -#endif /* FT_CONFIG_OPTION_OLD_INTERNALS */
|
| -
|
| -
|
| /*************************************************************************/
|
| /* */
|
| /* FT_MulDiv() and FT_MulFix() are declared in freetype.h. */
|
| @@ -78,8 +55,6 @@ FT_BEGIN_HEADER
|
| /*************************************************************************/
|
|
|
|
|
| -#ifdef TT_USE_BYTECODE_INTERPRETER
|
| -
|
| /*************************************************************************/
|
| /* */
|
| /* <Function> */
|
| @@ -87,7 +62,7 @@ FT_BEGIN_HEADER
|
| /* */
|
| /* <Description> */
|
| /* A very simple function used to perform the computation `(a*b)/c' */
|
| - /* (without rounding) with maximal accuracy (it uses a 64-bit */
|
| + /* (without rounding) with maximum accuracy (it uses a 64-bit */
|
| /* intermediate integer whenever necessary). */
|
| /* */
|
| /* This function isn't necessarily as fast as some processor specific */
|
| @@ -108,8 +83,6 @@ FT_BEGIN_HEADER
|
| FT_Long b,
|
| FT_Long c );
|
|
|
| -#endif /* TT_USE_BYTECODE_INTERPRETER */
|
| -
|
|
|
| /*
|
| * A variant of FT_Matrix_Multiply which scales its result afterwards.
|
| @@ -129,7 +102,6 @@ FT_BEGIN_HEADER
|
| * A variant of FT_Vector_Transform. See comments for
|
| * FT_Matrix_Multiply_Scaled.
|
| */
|
| -
|
| FT_BASE( void )
|
| FT_Vector_Transform_Scaled( FT_Vector* vector,
|
| const FT_Matrix* matrix,
|
| @@ -160,6 +132,22 @@ FT_BEGIN_HEADER
|
| FT_Pos out_y );
|
|
|
|
|
| + /*
|
| + * Return the most significant bit index.
|
| + */
|
| + FT_BASE( FT_Int )
|
| + FT_MSB( FT_UInt32 z );
|
| +
|
| +
|
| + /*
|
| + * Return sqrt(x*x+y*y), which is the same as `FT_Vector_Length' but uses
|
| + * two fixed-point arguments instead.
|
| + */
|
| + FT_BASE( FT_Fixed )
|
| + FT_Hypot( FT_Fixed x,
|
| + FT_Fixed y );
|
| +
|
| +
|
| #define INT_TO_F26DOT6( x ) ( (FT_Long)(x) << 6 )
|
| #define INT_TO_F2DOT14( x ) ( (FT_Long)(x) << 14 )
|
| #define INT_TO_FIXED( x ) ( (FT_Long)(x) << 16 )
|
|
|