#include <windows.h>
#include <GL/gl.h>
#include <GL/glut.h>
void triangle()
{
glColor3f(0.0, 1.0, 1.0);
glBegin(GL_TRIANGLES);
glVertex2i (80, 150);
glVertex2i (80, 250);
glVertex2i (130,200);
glEnd();
}
void line(int sx,int sy,int dx,int dy)
{
glColor3f(1.0, 1.0, 1.0);
glBegin(GL_LINES);
glVertex2i (sx, sy);
glVertex2i (dx, dy);
glEnd();
}
void display(void)
{
glClear (GL_COLOR_BUFFER_BIT);
line(100,150,100,250);
triangle();
glTranslatef(70.0, 20.0,0.0);
glEnable(GL_LINE_STIPPLE);
glLineStipple(1, 0xF0F0);
glScalef (1.5, 0.5, 1.0);
line(100,150,100,250);
triangle();
glFlush ();
}
void init (void)
{
/* select clearing (background) color */
glClearColor (0.0, 0.0, 0.0, 0.0);
/* initialize viewing values */
//glMatrixMode(GL_PROJECTION);
//glLoadIdentity();
//glOrtho(0.0, 1.0, 0.0, 1.0, -1.0, 1.0);
gluOrtho2D(0.0, 350.0, 0.0, 350.0);
}
int main(int argc, char** argv)
{
glutInit(&argc, argv);
glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize (350, 350);
glutInitWindowPosition (100, 100);
glutCreateWindow (“Transformation”);
init();
glutDisplayFunc(display);
glutMainLoop();
return 0;
}
