circstrc.cpp

来自「本课程主要介绍面向对象程序设计的方法和c++语言的基本概念。以c++语言中的面向」· C++ 代码 · 共 34 行

// circstrc.cpp
// circles as graphics objects
#include "msoftcon.h"         // for graphics functions
////////////////////////////////////////////////////////////////
struct circle                 //graphics circle
   {
   int xCo, yCo;              //coordinates of center
   int radius;                
   color fillcolor;           //color
   fstyle fillstyle;          //fill pattern
   };
////////////////////////////////////////////////////////////////
void circ_draw(circle c)             
   {
   set_color(c.fillcolor);               //set color
   set_fill_style(c.fillstyle);          //set fill pattern
   draw_circle(c.xCo, c.yCo, c.radius);  //draw solid circle            
   }
//--------------------------------------------------------------
int main()
   {
   init_graphics();           //initialize graphics system
                              //create circles
   circle c1 = { 15, 7, 5, cBLUE, X_FILL };
   circle c2 = { 41, 12, 7, cRED, O_FILL }; 
   circle c3 = { 65, 18, 4, cGREEN, MEDIUM_FILL };

   circ_draw(c1);             //draw circles
   circ_draw(c2);
   circ_draw(c3);
   set_cursor_pos(1, 25);     //cursor to lower left corner
   return 0;
   }