# include <iostream.h>
# include <graphics.h>
# include <conio.h>
# include <math.h>
void show_screen( );
void Fill_rectangle(constint,constint,constint,constint);
void Rectangle(constint,constint,constint,constint);
void Line(constint,constint,constint,constint);
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
for(int count_1=0;count_1<15;count_1++)
{
setcolor((count_1+1));
Rectangle((141+count_1),(69+count_1),(499-count_1),
(427-count_1));
}
setcolor(9);
for(int count_2=0;count_2<19;count_2++)
Rectangle((156+count_2),(84+count_2),(484-count_2),(412-count_2));
setcolor(12);
Rectangle((156+count_2),(84+count_2),(484-count_2),(412-count_2));
for(int count_3=0;count_3<9;count_3++)
{
Line((176+(count_3*36)),104,(176+(count_3*36)),392);
Line(176,(104+(36*count_3)),464,(104+(36*count_3)));
}
setcolor(15);
for(int count_4=0;count_4<8;count_4++)
{
for(int count_5=0;count_5<8;count_5++)
{
if(((count_5%2)+(count_4%2))==1)
Fill_rectangle((176+(count_5*36)),(104+(count_4*36)),
(212+(count_5*36)),(140+(count_4*36)));
}
}
char English[8][3]={"H","G","F","E","D","C","B","A"};
char Numbers[8][3]={"1","2","3","4","5","6","7","8"};
setcolor(15);
settextstyle(0,0,1);
for(int count_6=0;count_6<8;count_6++)
{
outtextxy(164,(120+(count_6*36)),Numbers[count_6]);
outtextxy((190+(count_6*36)),398,English[count_6]);
}
getch( );
return 0;
}
{
Line(x_1,y_1,x_2,y_1);
Line(x_2,y_1,x_2,y_2);
Line(x_2,y_2,x_1,y_2);
Line(x_1,y_2,x_1,y_1);
}
{
int y_min=((y_1>=y_2)?y_2:y_1);
int y_max=((y_1<=y_2)?y_2:y_1);
for(int count=(y_min+1);count<y_max;count++)
Line((x_1+1),count,(x_2-1),count);
}
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
{
setfillstyle(1,1);
bar(262,26,365,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"********************************************");
outtextxy(5,17,"*-***************************************-*");
outtextxy(5,29,"*-------------- ---------------*");
outtextxy(5,41,"*-***************************************-*");
outtextxy(5,53,"*-***************************************-*");
setcolor(11);
outtextxy(270,29,"Chess Board");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-***************************************-*");
outtextxy(5,450,"*-------------- ------------*");
outtextxy(5,462,"*******************************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
# include <graphics.h>
# include <conio.h>
# include <math.h>
void show_screen( );
void Fill_rectangle(constint,constint,constint,constint);
void Rectangle(constint,constint,constint,constint);
void Line(constint,constint,constint,constint);
int main( )
{
int driver=VGA;
int mode=VGAHI;
initgraph(&driver,&mode,"..\\Bgi");
show_screen( );
for(int count_1=0;count_1<15;count_1++)
{
setcolor((count_1+1));
Rectangle((141+count_1),(69+count_1),(499-count_1),
(427-count_1));
}
setcolor(9);
for(int count_2=0;count_2<19;count_2++)
Rectangle((156+count_2),(84+count_2),(484-count_2),(412-count_2));
setcolor(12);
Rectangle((156+count_2),(84+count_2),(484-count_2),(412-count_2));
for(int count_3=0;count_3<9;count_3++)
{
Line((176+(count_3*36)),104,(176+(count_3*36)),392);
Line(176,(104+(36*count_3)),464,(104+(36*count_3)));
}
setcolor(15);
for(int count_4=0;count_4<8;count_4++)
{
for(int count_5=0;count_5<8;count_5++)
{
if(((count_5%2)+(count_4%2))==1)
Fill_rectangle((176+(count_5*36)),(104+(count_4*36)),
(212+(count_5*36)),(140+(count_4*36)));
}
}
char English[8][3]={"H","G","F","E","D","C","B","A"};
char Numbers[8][3]={"1","2","3","4","5","6","7","8"};
setcolor(15);
settextstyle(0,0,1);
for(int count_6=0;count_6<8;count_6++)
{
outtextxy(164,(120+(count_6*36)),Numbers[count_6]);
outtextxy((190+(count_6*36)),398,English[count_6]);
}
getch( );
return 0;
}
{
Line(x_1,y_1,x_2,y_1);
Line(x_2,y_1,x_2,y_2);
Line(x_2,y_2,x_1,y_2);
Line(x_1,y_2,x_1,y_1);
}
{
int y_min=((y_1>=y_2)?y_2:y_1);
int y_max=((y_1<=y_2)?y_2:y_1);
for(int count=(y_min+1);count<y_max;count++)
Line((x_1+1),count,(x_2-1),count);
}
{
int color=getcolor( );
int x1=x_1;
int y1=y_1;
int x2=x_2;
int y2=y_2;
if(x_1>x_2)
{
x1=x_2;
y1=y_2;
x2=x_1;
y2=y_1;
}
int dx=abs(x2-x1);
int dy=abs(y2-y1);
int inc_dec=((y2>=y1)?1:-1);
if(dx>dy)
{
int two_dy=(2*dy);
int two_dy_dx=(2*(dy-dx));
int p=((2*dy)-dx);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(x<x2)
{
x++;
if(p<0)
p+=two_dy;
else
{
y+=inc_dec;
p+=two_dy_dx;
}
putpixel(x,y,color);
}
}
else
{
int two_dx=(2*dx);
int two_dx_dy=(2*(dx-dy));
int p=((2*dx)-dy);
int x=x1;
int y=y1;
putpixel(x,y,color);
while(y!=y2)
{
y+=inc_dec;
if(p<0)
p+=two_dx;
else
{
x++;
p+=two_dx_dy;
}
putpixel(x,y,color);
}
}
}
{
setfillstyle(1,1);
bar(262,26,365,38);
settextstyle(0,0,1);
setcolor(15);
outtextxy(5,5,"********************************************");
outtextxy(5,17,"*-***************************************-*");
outtextxy(5,29,"*-------------- ---------------*");
outtextxy(5,41,"*-***************************************-*");
outtextxy(5,53,"*-***************************************-*");
setcolor(11);
outtextxy(270,29,"Chess Board");
setcolor(15);
for(int count=0;count<=30;count++)
outtextxy(5,(65+(count*12)),"*-* *-*");
outtextxy(5,438,"*-***************************************-*");
outtextxy(5,450,"*-------------- ------------*");
outtextxy(5,462,"*******************************************");
setcolor(12);
outtextxy(229,450,"Press any Key to exit.");
}
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