keyboard1.c

a source code for banker s algorithm

#include<windows.h>
#include<glut.h>
#include<gl.h>
#define screenH 640.0

void myInit(void)
{
 glClearColor(1.0,1.0,1.0,1.0);
 glColor3f(0.0f,0.0f,1.0f);
 glPointSize(4.0);
 gluOrtho2D(0.0,640.0,0.0,480.0);
}

void drawdot(int x,int y)
{
glBegin(GL_POINTS);
glVertex2i(x,y);
glEnd();
glFlush();
}
void myKeyboard(unsigned char key,int x,int y)
{
 if(key=='D'||key=='d')
 {
	drawdot(x,screenH-y);
 }
 else if(key=='Q'||key=='q')
	 exit(0);
}


void myDisplay()
{
glClear(GL_COLOR_BUFFER_BIT);
}
void main()
{
 glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
 glutInitWindowSize(640,480);
 glutInitWindowPosition(100,50);
 glutCreateWindow("keyboard");
 glutDisplayFunc(myDisplay);
 glutKeyboardFunc(myKeyboard);
 myInit();
 glutMainLoop();
}