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#ifndef __poly_convert_h__
#define __poly_convert_h__
#include "../gfxdevice.h"
#include "../gfxtools.h"
#include "poly.h"
typedef struct _polywriter
{
void(*moveto)(struct _polywriter*, int32_t x, int32_t y);
void(*lineto)(struct _polywriter*, int32_t x, int32_t y);
void(*setgridsize)(struct _polywriter*, double g);
void*(*finish)(struct _polywriter*);
void*internal;
} polywriter_t;
void gfxdrawer_target_poly(gfxdrawer_t*d, double gridsize);
void gfxpolywriter_init(polywriter_t*w);
gfxpoly_t* gfxpoly_from_fill(gfxline_t*line, double gridsize);
gfxpoly_t* gfxpoly_from_file(const char*filename, double gridsize);
void gfxpoly_destroy(gfxpoly_t*poly);
gfxline_t*gfxline_from_gfxpoly(gfxpoly_t*poly);
gfxline_t*gfxline_from_gfxpoly_with_direction(gfxpoly_t*poly); // preserves up/down
gfxline_t* gfxpoly_circular_to_evenodd(gfxline_t*line, double gridsize);
gfxpoly_t* gfxpoly_createbox(double x1, double y1,double x2, double y2, double gridsize);
#endif //__poly_convert_h__
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