kicad/thirdparty/potrace/include/render.h

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/* Copyright (C) 2001-2017 Peter Selinger.
* This file is part of Potrace. It is free software and it is covered
* by the GNU General Public License. See the file COPYING for details. */
#ifndef RENDER_H
#define RENDER_H
#include "greymap.h"
struct render_s
{
greymap_t* gm;
double x0, y0, x1, y1;
int x0i, y0i, x1i, y1i;
double a0, a1;
int* incrow_buf;
};
typedef struct render_s render_t;
render_t* render_new( greymap_t* gm );
void render_free( render_t* rm );
void render_close( render_t* rm );
void render_moveto( render_t* rm, double x, double y );
void render_lineto( render_t* rm, double x, double y );
void render_curveto( render_t* rm,
double x2,
double y2,
double x3,
double y3,
double x4,
double y4 );
#endif /* RENDER_H */