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Circles (Circle)
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Circle c ( int x, int y, int r);
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Creates a circle with
center (x, y) and radius r.
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int
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c.x ()
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Returns center's x-coordinate.
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int
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c.y ()
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Returns center's y-coordinate.
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int
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c.r ()
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Returns radius of c.
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Example
The following code draws a circle with center (100, 100)
and radius 20. Then it waits for a mouseclick to finish.
#include <ifmwindow>
int main()
{
wio << Circle(100, 100, 20) << flush;
wio.wait_for_mouse_click();
}
Next: Class declaration of FilledCircle
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Michael Hoffmann. Mon, October 7, 2002.