/* Copyright (c) Mark J. Kilgard, 1994. */

/*
 * (c) Copyright 1993, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED 
 * Permission to use, copy, modify, and distribute this software for 
 * any purpose and without fee is hereby granted, provided that the above
 * copyright notice appear in all copies and that both the copyright notice
 * and this permission notice appear in supporting documentation, and that 
 * the name of Silicon Graphics, Inc. not be used in advertising
 * or publicity pertaining to distribution of the software without specific,
 * written prior permission. 
 *
 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
 * FITNESS FOR A PARTICULAR PURPOSE.  IN NO EVENT SHALL SILICON
 * GRAPHICS, INC.  BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC.  HAS BEEN
 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
 * 
 * US Government Users Restricted Rights 
 * Use, duplication, or disclosure by the Government is subject to
 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
 * (c)(1)(ii) of the Rights in Technical Data and Computer Software
 * clause at DFARS 252.227-7013 and/or in similar or successor
 * clauses in the FAR or the DOD or NASA FAR Supplement.
 * Unpublished-- rights reserved under the copyright laws of the
 * United States.  Contractor/manufacturer is Silicon Graphics,
 * Inc., 2011 N.  Shoreline Blvd., Mountain View, CA 94039-7311.
 *
 * OpenGL(TM) is a trademark of Silicon Graphics, Inc.
 */
/*
 *  stroke.c 
 *  This program demonstrates some characters of a 
 *  stroke (vector) font.  The characters are represented
 *  by display lists, which are given numbers which 
 *  correspond to the ASCII values of the characters.
 *  Use of glCallLists() is demonstrated.
 */

#include <string.h>
#include <stdlib.h>

#include <GL/glut.h>
#include <GL/gl.h>
#include <GL/glu.h>

#include "ModuleManipulateur.h"
#include "ModuleMenus.h"
#include "ModuleCouleurs.h"

#define PT 1
#define STROKE 2
#define END 3

static int ww;
static int hh;

typedef struct charpoint {
  GLfloat   x,y;
  int  type;
} CP;

CP Adata[] = {
  { 0,0,PT},{0,9,PT},{1,10,PT},{4,10,PT},
  {5,9,PT},{5,0,STROKE},{0,5,PT},{5,5,END}
};

CP Edata[] = {
  {5,0,PT},{0,0,PT},{0,10,PT},{5,10,STROKE},
  {0,5,PT},{4,5,END}
};

CP Pdata[] = {
  {0,0,PT},{0,10,PT}, {4,10,PT},{5,9,PT},{5,6,PT},
  {4,5,PT},{0,5,END}
};

CP Rdata[] = {
  {0,0,PT},{0,10,PT}, {4,10,PT},{5,9,PT},{5,6,PT},
  {4,5,PT},{0,5,STROKE},{3,5,PT},{5,0,END}
};

CP Sdata[] = {
  {0,1,PT},{1,0,PT},{4,0,PT},{5,1,PT},{5,4,PT},
  {4,5,PT},{1,5,PT},{0,6,PT},{0,9,PT},{1,10,PT},
  {4,10,PT},{5,9,END}
};

void drawLetter(CP *l) {
  glBegin(GL_LINE_STRIP);
  while(1) {
    switch(l->type) {
      case PT     : glVertex2fv(&l->x);
                    break;
      case STROKE : glVertex2fv(&l->x);
                    glEnd();
                    glBegin(GL_LINE_STRIP);
                    break;
      case END    : glVertex2fv(&l->x);
                    glEnd();
                    glTranslatef(8.0,0.0,0.0);
                    return; }
    l++; }
}

void myinit(void) {
  GLuint base;
  glShadeModel(GL_FLAT);
  base = glGenLists(128);
  glListBase(base);
  glNewList(base+'A',GL_COMPILE); 
  drawLetter(Adata); 
  glEndList();
  glNewList(base+'E',GL_COMPILE); 
  drawLetter(Edata); 
  glEndList();
  glNewList(base+'P',GL_COMPILE);
  drawLetter(Pdata); 
  glEndList();
  glNewList(base+'R',GL_COMPILE); 
  drawLetter(Rdata); 
  glEndList();
  glNewList(base+'S',GL_COMPILE); 
  drawLetter(Sdata); 
  glEndList();
  glNewList(base+' ',GL_COMPILE); 
  glTranslatef(8.0,0.0,0.0); 
  glEndList();
  glEnable(GL_LINE_SMOOTH);
  glEnable(GL_BLEND);
  glBlendFunc(GL_SRC_ALPHA,GL_ONE_MINUS_SRC_ALPHA);
  glLineWidth(2.0);
}

char *test1 = "A SPARE SERAPE APPEARS AS";
char *test2 = "APES PREPARE RARE PEPPERS";

void printStrokedString(char *s) {
  GLsizei len = strlen(s);
  glCallLists(len,GL_BYTE,(GLbyte *)s);
}

void display(void) {
  glClear(GL_COLOR_BUFFER_BIT);
  glColor4fv(couleurBlanc());
  glPushMatrix();
  manipulateurSouris();
  manipulateurClavier();
  glTranslatef(-ww/2,-hh/2,0.0F);
  glPushMatrix();
  glScalef(2.0,2.0,2.0);
  glTranslatef(5.0,30.0,0.0);
  printStrokedString(test1);
  glPopMatrix();
  glPushMatrix();
  glScalef(2.0,2.0,2.0);
  glTranslatef(5.0,13.0,0.0);
  printStrokedString(test2);
  glPopMatrix();
  glPopMatrix();
  glFlush();
  glutSwapBuffers();
}

void reshape(int w,int h) { 
  glViewport(0,0,w,h); 
  ww = w;
  hh = h;
  glMatrixMode(GL_PROJECTION); 
  glLoadIdentity(); 
  glOrtho(-w/2,w-w/2,-h/2,h-h/2,-1000.0F,1000.0F); 
  glMatrixMode(GL_MODELVIEW); 
  glLoadIdentity();
  setManipulateurDistance(1.0F);
} 

int main(int argc,char **argv) {
  glutInit(&argc,argv);
  glutInitDisplayMode(GLUT_RGBA|GLUT_DOUBLE);
  glutInitWindowSize(415,120); 
  glutInitWindowPosition(50,50); 
  glutCreateWindow("Font2");
  myinit(); 
  creationMenuBasique();
  glutKeyboardFunc(keyBasique);
  glutSpecialFunc(specialBasique);
  glutMotionFunc(motionBasique);
  glutMouseFunc(sourisBasique);
  glutReshapeFunc(reshape);
  glutDisplayFunc(display);
  glutMainLoop();
  return(0);
}