chatBOBO

//au tout début avec les variables

GLuint texture1;
GLuint texture2;
unsigned char *loadImage(const char *fichier);

//dans le main
glGenTextures(1, &texture1) ;
  glBindTexture(GL_TEXTURE_2D, texture1) ;
  unsigned char *data = loadJpegImage("./texture_chat.jpg");
  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 256, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, data) ;
  glBindTexture(GL_TEXTURE_2D, texture1);
  glEnable(GL_TEXTURE_2D);

  glGenTextures(2, &texture2) ;
  glBindTexture(GL_TEXTURE_2D, texture2) ;
  data = loadJpegImage("./texture.jpg");
  glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, 256, 256, 0, GL_RGB, GL_UNSIGNED_BYTE, data) ;

//a la fin en tant que fonction
unsigned char *loadImage(const char *nomfichier)
{
struct jpeg_decompress_struct cinfo;
  struct jpeg_error_mgr jerr;
  FILE *file;
  unsigned char *ligne;
  cinfo.err = jpeg_std_error(&jerr);
  jpeg_create_decompress(&cinfo);

  file = fopen(nomfichier,"rb");


  cinfo.err = jpeg_std_error(&jerr);
  jpeg_create_decompress(&cinfo);
  jpeg_stdio_src(&cinfo, file);
  jpeg_read_header(&cinfo, TRUE);

  //*width = cinfo.image_width;
  //*height = cinfo.image_height ;
  ligne=image;
  while (cinfo.output_scanline<cinfo.output_height)
    {
      ligne=image+3*256*cinfo.output_scanline;
      jpeg_read_scanlines(&cinfo,&ligne,1);

    }
  jpeg_finish_decompress(&cinfo);
  jpeg_destroy_decompress(&cinfo);
  return ligne ;
}