splinefont.h File Reference

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Classes
struct	basepoint
struct	ipoint
struct	splinepoint
struct	spline1d
struct	spline
struct	splinepointlist
struct	dbounds
struct	quartic
struct	linelist
struct	linearapprox

Typedefs
typedef double	bigreal
typedef double	extended
typedef int	BOOL
typedef struct basepoint	BasePoint
typedef struct ipoint	IPoint
typedef struct splinepoint	SplinePoint
typedef struct spline1d	Spline1D
typedef struct spline	Spline
typedef struct splinepointlist	SplinePointList
typedef struct splinepointlist	SplineSet
typedef struct dbounds	DBounds
typedef struct quartic	Quartic
typedef struct linelist	LineList
typedef struct linearapprox	LinearApprox

Enumerations
enum	pointtype { pt_curve , pt_corner , pt_tangent , pt_hvcurve }
enum	linelist_flags { cvli_onscreen =0x1 , cvli_clipped =0x2 }
enum	pconvert_flags {   pconvert_flag_none = 0x01 , pconvert_flag_all = 0x02 , pconvert_flag_smooth = 0x04 , pconvert_flag_incompat = 0x08 ,   pconvert_flag_by_geom = 0x100 , pconvert_flag_force_type = 0x200 , pconvert_flag_downgrade = 0x400 , pconvert_flag_check_compat = 0x0800 ,   pconvert_flag_hvcurve = 0x4000 }

Functions
int	RealWithin (real a, real b, real fudge)
BOOL	RealNear (real a, real b)
Spline *	SplineMake (SplinePoint *from, SplinePoint *to, int order2)
Spline *	SplineMake2 (SplinePoint *from, SplinePoint *to)
Spline *	SplineMake3 (SplinePoint *from, SplinePoint *to)
SplinePoint *	SplinePointCreate (real x, real y)
void	SplineRefigure3 (Spline *spline)
void	SplineRefigure (Spline *spline)
int	SplineIsLinear (Spline *spline)
void	SplineFindExtrema (const Spline1D *sp, extended *_t1, extended *_t2)
bigreal	SplineMinDistanceToPoint (Spline *s, BasePoint *p)
void	SplinePointFree (SplinePoint *sp)
void	SplineFree (Spline *spline)
void	SplinePointListFree (SplinePointList *spl)
bigreal	BPDot (BasePoint v1, BasePoint v2)
bigreal	BPCross (BasePoint v1, BasePoint v2)
BasePoint	BPRev (BasePoint v)
int	_CubicSolve (const Spline1D *sp, bigreal sought, extended ts[3])
int	_QuarticSolve (Quartic *q, extended ts[4])
int	IntersectLines (BasePoint *inter, BasePoint *line1_1, BasePoint *line1_2, BasePoint *line2_1, BasePoint *line2_2)
void	LinearApproxFree (LinearApprox *la)
int	Within16RoundingErrors (bigreal v1, bigreal v2)
void	SplinesRemoveBetween (SplinePoint *from, SplinePoint *to, int type)

Variables
G_BEGIN_DECLS typedef double	real

Typedef Documentation

BasePoint

typedef struct basepoint BasePoint

bigreal

typedef double bigreal

Definition at line 11 of file splinefont.h.

BOOL

typedef int BOOL

Definition at line 13 of file splinefont.h.

DBounds

typedef struct dbounds DBounds

extended

typedef double extended

Definition at line 12 of file splinefont.h.

IPoint

typedef struct ipoint IPoint

LinearApprox

typedef struct linearapprox LinearApprox

LineList

typedef struct linelist LineList

Quartic

typedef struct quartic Quartic

Spline

typedef struct spline Spline

Spline1D

typedef struct spline1d Spline1D

SplinePoint

typedef struct splinepoint SplinePoint

SplinePointList

typedef struct splinepointlist SplinePointList

SplineSet

typedef struct splinepointlist SplineSet

Enumeration Type Documentation

linelist_flags

enum linelist_flags

Enumerator
cvli_onscreen
cvli_clipped

Definition at line 148 of file splinefont.h.

pconvert_flags

enum pconvert_flags

Enumerator
pconvert_flag_none
pconvert_flag_all
pconvert_flag_smooth
pconvert_flag_incompat
pconvert_flag_by_geom
pconvert_flag_force_type
pconvert_flag_downgrade
pconvert_flag_check_compat
pconvert_flag_hvcurve

Definition at line 176 of file splinefont.h.

pointtype

enum pointtype

Enumerator
pt_curve
pt_corner
pt_tangent
pt_hvcurve

Definition at line 28 of file splinefont.h.

Function Documentation

_CubicSolve()

int _CubicSolve	(	const Spline1D *	sp,
		bigreal	sought,
		extended	ts[3]
	)

_QuarticSolve()

int _QuarticSolve	(	Quartic *	q,
		extended	ts[4]
	)

BPCross()

bigreal BPCross	(	BasePoint	v1,
		BasePoint	v2
	)

BPDot()

bigreal BPDot	(	BasePoint	v1,
		BasePoint	v2
	)

BPRev()

BasePoint BPRev

(

BasePoint

v

)

IntersectLines()

int IntersectLines	(	BasePoint *	inter,
		BasePoint *	line1_1,
		BasePoint *	line1_2,
		BasePoint *	line2_1,
		BasePoint *	line2_2
	)

LinearApproxFree()

void LinearApproxFree

(

LinearApprox *

la

)

RealNear()

BOOL RealNear	(	real	a,
		real	b
	)

RealWithin()

int RealWithin	(	real	a,
		real	b,
		real	fudge
	)

SplineFindExtrema()

void SplineFindExtrema	(	const Spline1D *	sp,
		extended *	_t1,
		extended *	_t2
	)

SplineFree()

void SplineFree

(

Spline *

spline

)

SplineIsLinear()

int SplineIsLinear

(

Spline *

spline

)

SplineMake()

Spline * SplineMake	(	SplinePoint *	from,
		SplinePoint *	to,
		int	order2
	)

Referenced by bezier_fit().

SplineMake2()

Spline * SplineMake2	(	SplinePoint *	from,
		SplinePoint *	to
	)

SplineMake3()

Spline * SplineMake3	(	SplinePoint *	from,
		SplinePoint *	to
	)

SplineMinDistanceToPoint()

bigreal SplineMinDistanceToPoint	(	Spline *	s,
		BasePoint *	p
	)

SplinePointCreate()

SplinePoint * SplinePointCreate	(	real	x,
		real	y
	)

Referenced by bezier_fit().

SplinePointFree()

void SplinePointFree

(

SplinePoint *

sp

)

SplinePointListFree()

void SplinePointListFree

(

SplinePointList *

spl

)

Referenced by bezier_fit().

SplineRefigure()

void SplineRefigure

(

Spline *

spline

)

SplineRefigure3()

void SplineRefigure3

(

Spline *

spline

)

SplinesRemoveBetween()

void SplinesRemoveBetween	(	SplinePoint *	from,
		SplinePoint *	to,
		int	type
	)

Within16RoundingErrors()

int Within16RoundingErrors	(	bigreal	v1,
		bigreal	v2
	)

Variable Documentation

real

G_BEGIN_DECLS typedef double real

Definition at line 10 of file splinefont.h.

Referenced by Inkscape::Filters::calcFilter().