#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <glut.h>
#define drawOnLine(x1,y1,x2,y2) glBegin(GL_LINES);
glVertex2f((x1),(y1)); glVertex2f((x2),(y2));glEnd();
void init(void){
glClearColor(0.0,0.0,0.0,0.0);
glShadeModel(GL_FLAT);
}
void display(void){
int i;
glClear (GL_COLOR_BUFFER_BIT);
glColor3f(1.0,1.0,1.0,1.0);
glEnable (GL_LINE_STIPPLE);
glLineStipple(1, 0x0101);
drawOneLine(50.0,125.0,150.0,125.0);
glLineStipple(1, 0x00FF);
drawOneLine(150.0,125.0,250.0,125.0);
glLineStipple(1, 0x1C47);
drawOneLine(250.0,125.0,350.0,125.0);
glLineWidth(5.0);
glLineStipple(1, 0x0101);
drawOneLine(50.0,100.0,150.0,100.0);
glLineStipple(1, 0x00FF);
drawOneLine(150.0,100.0,250.0,100.0);
glLineStipple(1, 0x1C47);
drawOneLine(250.0,100.0,350.0,100.0);
glLineWidth(1.0);
glLineStipple(1, 0x1c47)
glBegin(GL_LINE_STRIP);
for(i=0;i<7;i++)
glVertex2f(50.0+(GLfloat)i*50.0),75.0);
glEnd();
for(i=0;i<6;i++){
drawOneLine(50.0+((GLfloat)i*50.0),50.0,50.0 +((GLfloat)(i+1)*50.0),50.0);
}
glLineStipple(5, 0x1C47);
drawOneLine(50.0,25.0,350.0,25.0);
glDisable(GL_LINE_STIPPLE);
glFlush();
}
void reshape(int w, int h)
{
glViewport(0,0,(GLsizei)w,(GLsizei)h);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluOrtho2D(0.0,(GLdouble)w,0.0,(Gldouble)h);
}
int main(int argc, char** argv){
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB);
glutInitWindowSize(400,150);
glutInitWindowsPosition(100,100);
glutCreateWindow(argv[0]);
init();
glutDisplayFunc(display);
glutReshapeFunc(reshape);
glutMainLoop();
return 0;
}