byte图片转halcon，hobject

gen_image1_extern

void NewImage(Hobject *new)
{
  unsigned char  *image;
  int            r,c;
  image = malloc(640*480);
  for (r=0; r<480; r++)
    for (c=0; c<640; c++)
      image[r*640+c] = c % 255;
  gen_image1_extern(new,"byte",640,480,(long)image,(long)free);
}

gen_image3_extern

void NewImage(Hobject *new)
{
  unsigned char  *image_red;
  unsigned char  *image_green;
  unsigned char  *image_blue;
  int            r,c;
  image_red = malloc(640*480);
  image_green = malloc(640*480);
  image_blue = malloc(640*480);
  for (r=0; r<480; r++)
    for (c=0; c<640; c++)
    {
      image_red[r*640+c] = c % 255;
      image_green[r*640+c] = (c+64) % 255;
      image_blue[r*640+c] = (c+128) % 255;
    }
  gen_image3_extern(new,"byte",640,480,(long)image_red,(long)image_green,(long)image_blue,(long)free);
}