Draw T in OpenGL

void drawT()

{

    glColor3f(1.0f, 1.0f, 1.0f); // GREEN RECTANGLE

    glBegin(GL_LINE_LOOP); // It can be any type Gl_POINT,_LINE

    glVertex2d(-10,10);

    glVertex2d(10,10);

    glVertex2d(10,7);

    glVertex2d(3,7);

    glVertex2d(3,0);

    glVertex2d(-3,0);

    glVertex2d(-3,7);

    glVertex2d(-10,7);

    glVertex2d(-10,10);

    glEnd();

}

 

// call this function from display()

drawT();