golgotha/i4/menu/image_item.cc

/********************************************************************** <BR>
  This file is part of Crack dot Com's free source code release of
  Golgotha. <a href="http://www.crack.com/golgotha_release"> <BR> for
  information about compiling & licensing issues visit this URL</a> 
  <PRE> If that doesn't help, contact Jonathan Clark at 
  golgotha_source@usa.net (Subject should have "GOLG" in it) 
***********************************************************************/

#include "menu/image_item.hh"
#include "image/image.hh"

i4_image_item_class::i4_image_item_class(const i4_const_str *context_help,
                                         i4_image_class *normal_image,
                                         i4_graphical_style_class *style,
                                         i4_image_class *active_image,     // if 0, then image will brighten
                                         i4_bool delete_images_on_death,
                                         i4_event_reaction_class *press,
                                         i4_event_reaction_class *depress,
                                         i4_event_reaction_class *activate,
                                         i4_event_reaction_class *deactivate)

  : i4_menu_item_class(context_help, style, normal_image->width(), 
                       normal_image->height(), press,depress,activate,deactivate)
{
  I4_ASSERT(normal_image, "no normal");

  im=normal_image;

  del_im=delete_images_on_death;

  if (active_image)
  {
    act=active_image;
    del_act=delete_images_on_death;
  }
  else
  {
    del_act=i4_T;



    int w=im->width(), h=im->height();
    act=i4_create_image(w,h, im->pal);


    for (int y=0; y<h; y++)
      for (int x=0; x<w; x++)
      {
        w32 c=im->get_pixel(x,y);
        int r=((c&0xff0000)>>16)<<1;  if (r>255) r=255;
        int g=((c&0xff00)>>8)<<1;    if (g>255) g=255;
        int b=((c&0xff)>>0)<<1;      if (b>255) b=255;
        
        act->put_pixel(x,y, (r<<16)|(g<<8)|b);
      }



  }
  
  
}


i4_image_item_class::~i4_image_item_class()
{
  if (del_im)
    delete im;
  
  if (del_act)
    delete act;
}

void i4_image_item_class::parent_draw(i4_draw_context_class &context)
{
  if (active)
    act->put_image(local_image,0,0,context);
  else 
    im->put_image(local_image,0,0,context);

}

void i4_image_item_class::receive_event(i4_event *ev)
{
  if (ev->type()==i4_event::MOUSE_BUTTON_DOWN)
  {
    CAST_PTR(b,i4_mouse_button_down_event_class,ev);
    if (b->but==i4_mouse_button_down_event_class::LEFT)
    {        
      do_press();
      send_event(send.press, PRESSED);

      do_depress();
      send_event(send.depress, DEPRESSED);

    } else i4_menu_item_class::receive_event(ev);
  }
  else i4_menu_item_class::receive_event(ev);
}


i4_menu_item_class *i4_image_item_class::copy()
{
  return new i4_image_item_class(context_help,
                                 im->copy(), 
                                 hint,
                                 act->copy(), 
                                 i4_T,
                                 send.press ? send.press->copy() : 0,
                                 send.depress ? send.depress->copy() : 0,
                                 send.activate ? send.activate->copy() : 0,
                                 send.deactivate ? send.deactivate->copy() : 0);
}