Code:
#include <graphics.h>
#include <conio.h>
#include <math.h>
#include <stdio.h>
#include <stdlib.h>
#include <dos.h>
const int pi=3.1415927; /*part of the initial sinewave drawing */
void main()
{
void drawstar();
int graphdriver, graphmode, errorcode, i;
double swing, width, crest, ypos;
graphdriver = DETECT;
initgraph(&graphdriver, &graphmode, "C:\\TC\\BGI");
errorcode = graphresult();
if (errorcode != grOk)
{
printf("Graphics System Error: %s\n",grapherrormsg (errorcode));
exit(1);
}
ypos = getmaxy() /2;
crest = getmaxy() /4;
width = getmaxx();
for (i=0; i<width; i++)
{
swing=crest*sin(10*pi*i/width);
putpixel(i, ypos+swing, RED);
putpixel(i, ypos-swing, BLUE);
}
sleep(2);
drawstar();
closegraph();
}
void drawstar()
{
cleardevice(); //NOT clrscr();
setcolor(BLACK);
int x,y;
int half1[] = {120,20, 106,40, 80,40, 93,60, 80,80, 106,80, 120,100, 134,80, 160,80, 147,60, 160,40, 134,40, 120,20};
fillpoly(13, half1);
setcolor(BLUE);
settextstyle(TRIPLEX_FONT, HORIZ_DIR, 2);
outtextxy(190,20, "... and a bright star shone in the East");
setcolor(RED);
settextstyle(GOTHIC_FONT, HORIZ_DIR, 8);
outtextxy(33,30, "Merry Christmas");
settextstyle(GOTHIC_FONT, HORIZ_DIR, 6);
outtextxy(95,120, "and Happy Holidays");
/* outtextxy(190,90, "to Everyone at"); */
/* settextstyle(GOTHIC_FONT, HORIZ_DIR, 8); */
/* outtextxy(30,120, " This Home"); */
getch();
}
Originally Posted by Salem
