------------------------------------------------------------------------------
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--                     Copyright (C) 2015-2016, AdaCore                     --
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------------------------------------------------------------------------------

with HAL.Bitmap;           use HAL.Bitmap;
with HAL;                  use HAL;
with Memory_Mapped_Bitmap; use Memory_Mapped_Bitmap;
with Demo_Camera.LCD_Shield;

package body Demo_Camera.Bitmap is

   subtype Pixel_Data is UInt16_Array
     (0 .. (Demo_Camera.LCD_Shield.Width * Demo_Camera.LCD_Shield.Height) - 1);

   --------------
   -- Allocate --
   --------------

   function Allocate return not null HAL.Bitmap.Any_Bitmap_Buffer is
      BM : constant Any_Memory_Mapped_Bitmap_Buffer := new Memory_Mapped_Bitmap_Buffer;
      Data : constant access Pixel_Data := new Pixel_Data;
   begin
      BM.Actual_Width := Demo_Camera.LCD_Shield.Width;
      BM.Actual_Height := Demo_Camera.LCD_Shield.Height;
      BM.Actual_Color_Mode := RGB_565;
      BM.Currently_Swapped := False;
      BM.Addr := Data.all'Address;
      return Any_Bitmap_Buffer (BM);
   end Allocate;
end Demo_Camera.Bitmap;
