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/* Computational Geometry for Arcs */
#ifndef LIB_C_GEOMETRY_ARC_H
#define LIB_C_GEOMETRY_ARC_H
#ifdef __cplusplus
extern "C" {
#endif
char isArcClockwise(double startx, double starty,
double midx, double midy,
double endx, double endy);
void getArcCenter(double arcStartX, double arcStartY,
double arcMidX, double arcMidY,
double arcEndX, double arcEndY,
/* returned data */
double *arcCenterX, double *arcCenterY);
char getArcDataFromBulge(double bulge,
double arcStartX, double arcStartY,
double arcEndX, double arcEndY,
/* returned data */
double* arcMidX, double* arcMidY,
double* arcCenterX, double* arcCenterY,
double* radius, double* diameter,
double* chord,
double* chordMidX, double* chordMidY,
double* sagitta, double* apothem,
double* incAngleInDegrees, char* clockwise);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* LIB_C_GEOMETRY_ARC_H */
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