#include <window.h>
#include <stdlib.h>
#include <glut.h>
#include <stdio.h>
#include <math.h>
void init(void)
{
glClearColor(1.0,1.0,1.0,0.0);
glMatrixMode(GL_PROJECTION);
gluOrtho2D(0.0,200.0,0.0,150.0);
}
void displayFunc(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(1.0,0.0,0.0);
glBegin(GL_LINES);
glVertex2i(180, 15);
glVertex2i(10, 105);
glEnd();
glFlush();
}
int main(int argc, char* argv[])
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE|GLUT_RGB);
glutInitWindowPosition(50,100);
glutInitWindowSize(400,300);
glutCreateWindow("An example OpenGL Program");
init();
glutDisplayFunc(displayFunc);
glutMainLoop();
return 0;
}