oop_in_c/ColoredSquare.c

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2.7 KiB
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#include <stdlib.h>
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#include <stdio.h>
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#include "ColoredSquare.h"
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void ColoredSquare_constructor (ColoredSquare *this,
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double a,
int color)
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{
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printf ("ColoredSquare_constructor (%lu, %f, %d) called\n",
(unsigned long) this,
a,
color);
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Square_constructor ((Square *) this, a);
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((ColoredSquare *) this)->color = color;
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}
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void ColoredSquare_copy (ColoredSquare *to, ColoredSquare *from)
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{
printf ("ColoredSquare_copy (%lu, %lu) called\n",
(unsigned long) to,
(unsigned long) from);
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Square_copy ((Square *) to, (Square *) from);
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((ColoredSquare *) to)->color = ((ColoredSquare *) from)->color;
}
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ColoredSquare* ColoredSquare_clone (ColoredSquare *this)
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{
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ColoredSquare *csquare = ColoredSquare_new (0.0, 0);
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printf ("ColoredSquare_clone (%lu) called\n",
(unsigned long) this);
ColoredSquare_copy (csquare, this);
printf ("ColoredSquare_clone (%lu) returns %lu\n",
(unsigned long) this,
(unsigned long) csquare);
return csquare;
}
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const char* ColoredSquare_type (ColoredSquare *this)
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{
static const char *csquare_type_str = "ColoredSquare";
printf ("ColoredSquare_type (%lu) called\n",
(unsigned long) this);
printf ("ColoredSquare_type (%lu) returns \"%s\"\n",
(unsigned long) this,
csquare_type_str);
return csquare_type_str;
}
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void ColoredSquare_draw (ColoredSquare *this)
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{
printf ("ColoredSquare_draw (%lu) called\n",
(unsigned long) this);
printf ("Drawing ColoredSquare with %f side and %d color\n",
((ColoredSquare *) this)->a,
((ColoredSquare *) this)->color);
}
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void ColoredSquare_set_color (ColoredSquare *this, int color)
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{
printf ("ColoredSquare_draw (%lu, %d) called\n",
(unsigned long) this,
color);
((ColoredSquare *) this)->color = color;
}
/* public */
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ColoredSquare* ColoredSquare_new (double a, int color)
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{
static ColoredSquare_interface vtable =
{
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{
{
{
(void* (*) (void *)) ColoredSquare_clone,
(void (*) (void *)) Square_destroy
},
(const char* (*) (Figure *)) ColoredSquare_type,
(void (*) (Figure *)) ColoredSquare_draw,
(double (*) (Figure *)) Square_area
},
Square_resize,
Square_diag_length
},
ColoredSquare_set_color
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};
ColoredSquare *square = malloc (sizeof (*square));
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ColoredSquare_constructor (square, a, color);
printf ("ColoredSquare_new (%f, %d) returns %lu\n",
a,
color,
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(unsigned long) square);
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square->vtable = (ColoredSquare_interface *) &vtable;
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/*goto end;
err:
end:*/
return square;
}