curvewarp.cpp File Reference

Implementation of the "Curve Warp" layer. More...

#include "curvewarp.h"
#include <synfig/context.h>
#include <synfig/paramdesc.h>
#include <synfig/surface.h>
#include <synfig/valuenode.h>
#include <ETL/calculus>
#include <synfig/cairo_renddesc.h>

Macros
#define	FAKE_TANGENT_STEP   0.000001
#define	TOO_THIN   0.01
#define	POINT_CHECK(x)   bp=curve(x); thisdist=(bp-p).mag_squared(); if(thisdist<dist) { extreme = (first&&x<0.01); ret=iter; best_len = total_len; dist=thisdist; best_curve=curve; last=true; best_pos=x;}
#define	UPDATE_DIST
#define	MAXPIX   10000
#define	UPDATE_DIST
#define	MAXPIX   10000

Functions
	SYNFIG_LAYER_INIT (CurveWarp)
	SYNFIG_LAYER_SET_NAME (CurveWarp,"curve_warp")
	SYNFIG_LAYER_SET_LOCAL_NAME (CurveWarp, N_("Curve Warp"))
	SYNFIG_LAYER_SET_CATEGORY (CurveWarp, N_("Distortions"))
	SYNFIG_LAYER_SET_VERSION (CurveWarp,"0.0")
	SYNFIG_LAYER_SET_CVS_ID (CurveWarp,"$Id$")
float	calculate_distance (const std::vector< synfig::BLinePoint > &bline)
std::vector < synfig::BLinePoint > ::const_iterator	find_closest_to_bline (bool fast, const std::vector< synfig::BLinePoint > &bline, const Point &p, float &t, float &len, bool &extreme)

Detailed Description

Implementation of the "Curve Warp" layer.

$Id$

=== N O T E S ===========================================================

---

Macro Definition Documentation

#define FAKE_TANGENT_STEP   0.000001

Referenced by CurveWarp::transform().

#define TOO_THIN   0.01

Referenced by CurveWarp::transform().

#define POINT_CHECK

(

x

)

bp=curve(x); thisdist=(bp-p).mag_squared(); if(thisdist<dist) { extreme = (first&&x<0.01); ret=iter; best_len = total_len; dist=thisdist; best_curve=curve; last=true; best_pos=x;}

Referenced by find_closest(), and find_closest_to_bline().

#define UPDATE_DIST

Value:

if (dist < min_dist) min_dist = dist; \
    if (dist > max_dist) max_dist = dist; \
    if (along < min_along) min_along = along; \
    if (along > max_along) max_along = along

Referenced by CurveWarp::accelerated_cairorender(), and CurveWarp::accelerated_render().

#define MAXPIX   10000

Referenced by CurveWarp::accelerated_cairorender(), and CurveWarp::accelerated_render().

#define UPDATE_DIST

Value:

if (dist < min_dist) min_dist = dist; \
if (dist > max_dist) max_dist = dist; \
if (along < min_along) min_along = along; \
if (along > max_along) max_along = along

#define MAXPIX   10000

Function Documentation

SYNFIG_LAYER_INIT

(

CurveWarp

)

SYNFIG_LAYER_SET_NAME	(	CurveWarp	,
		"curve_warp"
	)

SYNFIG_LAYER_SET_LOCAL_NAME	(	CurveWarp	,
		N_("Curve Warp")
	)

SYNFIG_LAYER_SET_CATEGORY	(	CurveWarp	,
		N_("Distortions")
	)

SYNFIG_LAYER_SET_VERSION	(	CurveWarp	,
		"0.0"
	)

SYNFIG_LAYER_SET_CVS_ID	(	CurveWarp	,
		"$Id$"
	)

float calculate_distance ( const std::vector< synfig::BLinePoint > &  bline )

inline

std::vector<synfig::BLinePoint>::const_iterator find_closest_to_bline	(	bool	fast,
		const std::vector< synfig::BLinePoint > &	bline,
		const Point &	p,
		float &	t,
		float &	len,
		bool &	extreme
	)

References POINT_CHECK.

Referenced by CurveWarp::transform().