class Data : public DataSource
{
   virtual void __stdcall onCreate(void)
   {
      bmp = new LCDBitmap;
      bmp->create(128, 32);

      play_bmp = new LCDBitmap;
      play_bmp->load("play.bmp");

      addImage("WMP.spectrum", "Spectrum analyzer bars");
      addImage("WMP.scope", "Scope analyzer dots");

      addVar("WMP.title",         "Title",            VAR_STRING); // 0
      addVar("WMP.author",      "Author",            VAR_STRING); // 1
   }

   virtual void __stdcall onDestroy(void)
   {
      delete bmp;
      delete play_bmp;
   }

   
      /* for future LCDinfo version
      virtual int __stdcall configure(void)
   {
      return -1;
   }
                */

   virtual void __stdcall getValue(int varNo, Value value)
   {
   }

   virtual LCDBitmap* __stdcall getImage(int imageNo)
   {
      switch(imageNo)
      {
         case 0:   // spectrum analyzer
         {

            bmp->clear();

            for(int i=0;i<128;i++)         
               bmp->line(i, 31-ptr->spectrum[i]/2, i, 31, PIXEL_SET);

            //bmp->setPixel(2, 2, PIXEL_SET);

            return bmp;
         }

         case 1:   // scope analyzer
         {

            bmp->clear();

            for(int i=0;i<128;i++)         
               bmp->setPixel(i, 31-(MIN( (ptr->scope[i])/2, 31)), PIXEL_SET);
               
            //bmp->setPixel(2, 2, PIXEL_SET);

            return bmp;
         }

         default: return bmp;
      }   
   }

private:
   LCDBitmap *bmp;
      LCDBitmap *play_bmp;

};

static RegisterFactory<IPlugin, Plugin> plugin;
static RegisterFactory<IData, Data> data;

   /**
    * Create bitmap.
    *
    * Initialize bitmap and allocate memory.
    *
    */
   void create(int width, int height)

   /**
    * Clear bitmap.
    *
    * Clear bitmap picture data.
    *
    */
   void clear(void)

   /**
    * Load bitmap from disk to memory.
    *
    * @param filename name of bitmap file.
    * @return True if bitmap loaded ok, false otherwise.
    *
    * TODO: check palette for correct black/white order
    *
    */
   bool load(std::string filename)

   /**
    * Get width of bitmap.
    *
    * @return Width of bitmap.
    *
    */
   unsigned int width(void) const

   /**
    * Get height of bitmap.
    *
    * @return Height of bitmap.
    *
    */
   unsigned int height(void) const

   /**
    * Set individual bitmap pixel.
    *
    * @param x X position.
    * @param y Y position.
    * @param style What to do for pixel: PIXEL_SET, PIXEL_CLEAR
    *
    */
   void setPixel(unsigned int x, unsigned int y, PixelStyle style)

   /**
    * Check if defined pixel is set.
    *
    * @param x X position.
    * @param y Y position.
    * @return true if pixel is set, false if pixel is not set.
    *
    */
   bool getPixel(unsigned int x, unsigned int y)

   /**
    * Draw line.
    *
    * @param X1 Begin x position.
    * @param Y1 Begin y position.
    * @param X2 End x position.
    * @param Y2 End y position.
    */
   void line(unsigned int X1, unsigned int Y1, unsigned int X2, unsigned int Y2, PixelStyle style)

   /* midpoint circle algorithm */
   void circle(unsigned int xC, unsigned int yC, unsigned int radius, PixelStyle style)

   void box(unsigned int x, unsigned int y, unsigned int x2, unsigned int y2, PixelStyle style)

   /**
    * Fill area surrounded by pixels. Takes some pixel inside the area as parameter.
    *
    * @param x X position.
    * @param y Y position.
    */
   void fill(unsigned int x, unsigned int y)

   void degreeLine(unsigned int x, unsigned int y, int degree, unsigned int inner_radius, unsigned int outer_radius, PixelStyle style)

   /**
    * Join two LCDBitmaps.
    *
    * @param bmp bitmap to join to this bitmap.
    * @param x X position.
    * @param y Y position.
    */
   void join(const LCDBitmap& bmp, unsigned int x, unsigned int y)