ftcalc.h File Reference

#include <ft2build.h>

Go to the source code of this file.

Macros
#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 )
#define	F2DOT14_TO_FIXED(x)   ( (FT_Long)(x) << 2 )
#define	FLOAT_TO_FIXED(x)   ( (FT_Long)( x * 65536.0 ) )
#define	FIXED_TO_INT(x)   ( FT_RoundFix( x ) >> 16 )
#define	ROUND_F26DOT6(x)

Functions
FT_BEGIN_HEADER	FT_SqrtFixed (FT_Int32 x)
	FT_MulDiv_No_Round (FT_Long a, FT_Long b, FT_Long c)
	FT_Matrix_Multiply_Scaled (const FT_Matrix *a, FT_Matrix *b, FT_Long scaling)
	FT_Vector_Transform_Scaled (FT_Vector *vector, const FT_Matrix *matrix, FT_Long scaling)
	ft_corner_orientation (FT_Pos in_x, FT_Pos in_y, FT_Pos out_x, FT_Pos out_y)
	ft_corner_is_flat (FT_Pos in_x, FT_Pos in_y, FT_Pos out_x, FT_Pos out_y)
	FT_MSB (FT_UInt32 z)
	FT_Hypot (FT_Fixed x, FT_Fixed y)

Macro Definition Documentation

F2DOT14_TO_FIXED

#define F2DOT14_TO_FIXED

(

x

)

( (FT_Long)(x) << 2 )

Definition at line 177 of file ftcalc.h.

FIXED_TO_INT

#define FIXED_TO_INT

(

x

)

( FT_RoundFix( x ) >> 16 )

Definition at line 179 of file ftcalc.h.

Referenced by cid_load_glyph(), cid_slot_load_glyph(), t1_builder_add_point(), T1_Face_Init(), T1_Get_Advances(), T1_Load_Glyph(), T1_Parse_Glyph_And_Get_Char_String(), and T1_Set_Var_Design().

FLOAT_TO_FIXED

#define FLOAT_TO_FIXED

(

x

)

( (FT_Long)( x * 65536.0 ) )

Definition at line 178 of file ftcalc.h.

INT_TO_F26DOT6

#define INT_TO_F26DOT6

(

x

)

( (FT_Long)(x) << 6 )

Definition at line 174 of file ftcalc.h.

INT_TO_F2DOT14

#define INT_TO_F2DOT14

(

x

)

( (FT_Long)(x) << 14 )

Definition at line 175 of file ftcalc.h.

INT_TO_FIXED

#define INT_TO_FIXED

(

x

)

( (FT_Long)(x) << 16 )

Definition at line 176 of file ftcalc.h.

Referenced by cid_load_glyph(), mm_axis_unmap(), T1_Get_MM_Var(), and T1_Parse_Glyph_And_Get_Char_String().

ROUND_F26DOT6

#define ROUND_F26DOT6

(

x

)

Value:

( x >= 0 ? (    ( (x) + 32 ) & -64 )     \
                                        : ( -( ( 32 - (x) ) & -64 ) ) )

Definition at line 181 of file ftcalc.h.

Function Documentation

ft_corner_is_flat()

ft_corner_is_flat	(	FT_Pos	in_x,
		FT_Pos	in_y,
		FT_Pos	out_x,
		FT_Pos	out_y
	)

Definition at line 971 of file ftcalc.c.

References FT_Pos.

Referenced by af_glyph_hints_reload().

ft_corner_orientation()

ft_corner_orientation	(	FT_Pos	in_x,
		FT_Pos	in_y,
		FT_Pos	out_x,
		FT_Pos	out_y
	)

Definition at line 891 of file ftcalc.c.

FT_Hypot()

FT_Hypot	(	FT_Fixed	x,
		FT_Fixed	y
	)

Definition at line 142 of file ftcalc.c.

References FT_BASE_DEF, FT_DivFix(), FT_EXPORT_DEF, FT_MulDiv(), FT_MulDiv_No_Round(), FT_MulFix(), FT_Vector_Length(), root, FT_Vector_::x, and FT_Vector_::y.

FT_Matrix_Multiply_Scaled()

FT_Matrix_Multiply_Scaled	(	const FT_Matrix *	a,
		FT_Matrix *	b,
		FT_Long	scaling
	)

Definition at line 805 of file ftcalc.c.

References FT_BASE_DEF, and FT_MulDiv().

Referenced by cff_face_init().

FT_MSB()

FT_MSB

(

FT_UInt32

z

)

Definition at line 104 of file ftcalc.c.

References FT_BASE_DEF.

Referenced by FT_Outline_Get_Orientation().

FT_MulDiv_No_Round()

FT_MulDiv_No_Round	(	FT_Long	a,
		FT_Long	b,
		FT_Long	c
	)

Definition at line 450 of file ftcalc.c.

References FT_ABS.

Referenced by FT_Hypot().

FT_SqrtFixed()

FT_BEGIN_HEADER FT_SqrtFixed

(

FT_Int32

x

)

Definition at line 856 of file ftcalc.c.

References FT_BASE_DEF, and root.

FT_Vector_Transform_Scaled()

FT_Vector_Transform_Scaled	(	FT_Vector *	vector,
		const FT_Matrix *	matrix,
		FT_Long	scaling
	)

Definition at line 830 of file ftcalc.c.

References FT_BASE_DEF, FT_MulDiv(), and FT_Pos.

Referenced by cff_face_init().