curve_helper.cpp File Reference

Curve Helper File. More...

#include "curve_helper.h"
#include <algorithm>
#include <vector>

Defines

#define ERR   1e-11

Functions

Real synfig::find_closest (const etl::bezier< Point > &curve, const Point &point, float step, Real *dout, float *tout)
int synfig::intersect (const Point &p1, const Vector &v1, float &t1, const Point &p2, const Vector &v2, float &t2)
int intersect (const Rect &r, const Point &p, const Vector &v)
int synfig::intersect (const Rect &r, const Point &p)
int intersect (const BezHull &bh, const Point &p, const Vector &v)
int Clip (const Rect &r, const Point &p1, const Point &p2, Point *op1, Point *op2)
static void clean_bez (const bezier< Point > &b, bezier< Point > &out)
static int recurse_intersect (const CIntersect::SCurve &b, const Point &p1, int depthleft=10)
int intersect (const bezier< Point > &b, const Point &p)
int intersect_scurve (const CIntersect::SCurve &b, const Point &p)
int synfig::intersect (const bezier< Point > &b, const Point &p)

Variables

const Real ERROR = 1e-11


Detailed Description

Curve Helper File.

$Id$


Define Documentation

#define ERR   1e-11

Referenced by Clip(), and synfig::intersect().


Function Documentation

int intersect ( const Rect r,
const Point p,
const Vector v 
)

int intersect ( const BezHull bh,
const Point p,
const Vector v 
)

int Clip ( const Rect r,
const Point p1,
const Point p2,
Point op1,
Point op2 
)

References ERR.

static void clean_bez ( const bezier< Point > &  b,
bezier< Point > &  out 
) [static]

static int recurse_intersect ( const CIntersect::SCurve &  b,
const Point p1,
int  depthleft = 10 
) [static]

References ERROR, and synfig::intersect().

int intersect ( const bezier< Point > &  b,
const Point p 
)

References synfig::Bound(), and clean_bez().

int intersect_scurve ( const CIntersect::SCurve &  b,
const Point p 
)


Variable Documentation

const Real ERROR = 1e-11

Referenced by recurse_intersect().


Generated on Fri Jul 31 00:01:56 2009 for synfig-core by  doxygen 1.5.6