Draw Circle using Bresenham’s Circle Algorithm
Write a C Program to Draw Circle using Bresenham’s Circle Algorithm. Here’s simple Program to Draw Circle using Bresenham’s Circle Algorithm in C Programming Language.
Below is the source code for C Program to Draw Circle using Bresenham’s Circle Algorithm which is successfully compiled and run on Windows System to produce desired output as shown below :
SOURCE CODE : :
/* C Program to Draw Circle using Bresenham’s Circle Algorithm */ #include <stdio.h> #include <dos.h> #include <graphics.h> void plotPoints(int cx, int cy, int x, int y) { putpixel(cx+x, cy+y, RED); putpixel(cx-x, cy+y, RED); putpixel(cx+x, cy-y, RED); putpixel(cx-x, cy-y, RED); putpixel(cx+y, cy+x, RED); putpixel(cx-y, cy+x, RED); putpixel(cx+y, cy-x, RED); putpixel(cx-y, cy-x, RED); } void main() { int cx, cy, x = 0, y, r, p; int gd = DETECT, gm; clrscr(); printf("Enter the coordinates of centre of the circle: "); scanf("%d %d", &cx, &cy); printf("Enter radius of : "); scanf("%d", &r); y = r; p = 3 - 2 * r; initgraph(&gd, &gm, ""); cleardevice(); while (x < y) { plotPoints(cx, cy, x, y); x++; if (p < 0) p = p + 4 * x + 6; else { y--; p = p + 4 * (x - y) + 10; } plotPoints(cx, cy, x, y); delay(200); } getch(); }
Above is the source code for C Program to Draw Circle using Bresenham’s Circle Algorithm which is successfully compiled and run on Windows System.The Output of the program is shown above .
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