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CIRCLE.CPP
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C/C++ Source or Header
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1988-08-06
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595b
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25 lines
// Figure 6 for "A Little CAD with C++"
// Copyright 1988 Bruce Eckel
// Permission required to distribute source
// file: circle.cpp
#include "circle.hpp"
#include <fg.h>
void circle::draw() {
msm_hidecursor();
fg_drawellipse (FG_WHITE, FG_MODE_SET,
~0, x_center, y_center, x_radius,
y_radius, 0, 3600, fg_displaybox);
msm_showcursor();
}
void circle::erase() {
msm_hidecursor();
fg_drawellipse (FG_BLACK, FG_MODE_SET,
~0, x_center, y_center, x_radius,
y_radius, 0, 3600, fg_displaybox);
msm_showcursor();
}