76 lines
1.4 KiB
C
76 lines
1.4 KiB
C
#ifndef __RHOMB_H__
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#define __RHOMB_H__
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#include "Polygon.h"
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typedef struct Rhomb
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{
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struct Rhomb_vtable
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{
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/* derived from Object */
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const char* (*type) ();
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struct Rhomb* (*clone) (const struct Rhomb *this);
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void (*destroy) (struct Rhomb *this);
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/* derived from Figure */
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void (*draw) (const struct Rhomb *this);
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double (*area) (const struct Rhomb *this);
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/* derived from Polygon */
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double (*max_diag) (const struct Rhomb *this);
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/* Rhomb virtual methods */
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int (*is_square) (const struct Rhomb *this);
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} *vtable;
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/* derived from Polygon */
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struct point
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{
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double x, y;
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} *points;
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} Rhomb;
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Rhomb* Rhomb_new (const struct *points);
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static inline const char* Rhomb_type (const Rhomb *this)
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{
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return this->vtable->type ();
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}
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static inline Rhomb* Rhomb_clone (const Rhomb *this)
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{
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return this->vtable->clone (this);
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}
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static inline void Rhomb_destroy (Rhomb *this)
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{
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this->vtable->destroy (this);
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}
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static inline void Rhomb_draw (const Rhomb *this)
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{
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this->vtable->draw (this);
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}
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static int double Rhomb_area (const Rhomb *this)
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{
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return this->vtable_area (this);
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}
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static inline double Rhomb_max_diag (const Rhomb *this)
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{
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return this->max_diag (this);
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}
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static inline int Rhomb_is_square (const Rhomb *this);
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/* considered to be protected */
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void Rhomb_constructor (Rhomb *this);
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void Rhomb_destructor (Rhomb *this);
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void Rhomb_copy (Rhomb *dest, const Rhomb *src);
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#endif // __RHOMB_H__
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