computer graphics at openGL

1. COMPUTER GRAPHICS
Practical # 1
Ass: 1
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glBegin(GL_QUADS);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex2f(-0.9f, 0.2f);
glVertex2f(-0.4f, 0.2f);
glVertex2f(-0.4f, 0.7f);
glVertex2f(-0.9f, 0.7f);
glEnd();
glFlush();
}
void main(int argc, char** argv)
{
glutInit(&argc, argv);
glutCreateWindow("SQUARE");
glutInitWindowSize(320, 320);
glutInitWindowPosition(10,10);
glutDisplayFunc(display);
glutMainLoop();
}
OUTPUT
1

2. COMPUTER GRAPHICS
Practical # 1
Ass: 2
#include <GL/glut.h>
void display()
{
glClear(GL_COLOR_BUFFER_BIT);
glClearColor(0.0f, 0.0f, 0.0f, 1.0f);
glBegin(GL_QUADS);
glColor3f(1.0f, 0.0f, 0.0f);
glVertex2f(-0.8f, -0.8f);
glVertex2f( 0.8f, -0.8f);
glVertex2f( 0.8f, 0.8f);
glVertex2f(-0.8f, 0.8f);
glColor3f(1.0f, 1.0f, 0.0f);
glVertex2f(-0.3f, -0.3f);
glVertex2f( 0.3f, -0.3f);
glVertex2f( 0.3f, 0.3f);
glVertex2f(-0.3f, 0.3f);
glEnd();
glFlush();
}
void main(int argc, char** argv)
{
glutInit(&argc, argv);
glutCreateWindow("OpenGL Setup Test");
glutInitWindowSize(320, 320);
glutInitWindowPosition(50, 50);
glutDisplayFunc(display);
glutMainLoop();
}
OUTPUT
2