------------------------------------------------------------------------------
--                                                                          --
--  Nom du fichier    : Draw.adb                                            --
--                                                                          --
--  Auteur(s)         : SALAMIN Michel / Assistant HEV                      --
--                      Ecole d'ingenieurs du canton de Vaud (EIVD)         --
--                                                                          --
--  Date de creation  : 20 avril 2000                                       --
--                                                                          --
--  But               : Mettre a disposition les fonctions graphiques       --
--                      permettant de:                                      --
--                      - gerer la couleur sous Spider                      --
--                      - dessiner des cercles                              --
--                      - dessiner des rectangles                           --
--                      - changer la couleur d'un pixel                     --
--                                                                          --
--  Date de modif.    :                                                     --
--  Raison            :                                                     --
--                                                                          --
--  Modules appeles   :                                                     --
--  Mat. particulier  : Graphmin.dll                                        --
--                                                                          --
--  Compilateur       :                                                     --
--                                                                          --
------------------------------------------------------------------------------



package body Spider.Draw is



  procedure ADA_Get_Color_Pen(R : out Integer;
                              G : out Integer;
                              B : out Integer);

  pragma import(DLL,ADA_Get_Color_Pen,"ADA_getColorPen");
  
  function Get_Color_Pen return tColor is
    R,G,B : Integer;
  begin
    ADA_Get_Color_Pen(R,G,B);
    return tColor'(R,G,B);
  end Get_Color_Pen;



  procedure ADA_Get_Color_Background(R : out Integer;
                                     G : out Integer;
                                     B : out Integer);

  pragma import(DLL,ADA_Get_Color_Background,"ADA_getColorBackground");

  function Get_Color_Background return tColor is
    R,G,B : Integer;
  begin
    ADA_Get_Color_Background(R,G,B);
    return tColor'(R,G,B);
  end Get_Color_Background;



  procedure ADA_Get_Color_Text(R : out Integer;
                               G : out Integer;
                               B : out Integer);

  pragma import(DLL,ADA_Get_Color_Text,"ADA_getColorText");

  function Get_Color_Text return tColor is
    R,G,B : Integer;
  begin
    ADA_Get_Color_Text(R,G,B);
    return tColor'(R,G,B);
  end Get_Color_Text;



  procedure ADA_Get_Width_Char(Width_Car : out Natural;
                               Err       : out Natural);

  pragma import(DLL,ADA_Get_Width_Char,"ADA_getWidthChar");

  function Get_Width_Char return Natural is
     Width_Car : Natural;
     Err       : Natural;
  begin
    ADA_Get_Width_Char(Width_Car,Err);

    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;

    return Width_Car;
  end Get_Width_Char;


  
  procedure ADA_Get_Height_Char(HeightCar : out Natural;
                                Err       : out Natural);

  pragma import(DLL,ADA_Get_Height_Char,"ADA_getHeightChar");

  function Get_Height_Char return Natural is
    HeightCar : Natural;
    Err       : Natural;
  begin
    ADA_Get_Height_Char(HeightCar,Err);

    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;

    return HeightCar;
  end Get_Height_Char;



  procedure ADA_Set_Color_Pen(R : in Integer;
                              G : in Integer;
                              B : in Integer);

  pragma import(DLL,ADA_Set_Color_Pen,"ADA_setColorPen");

  procedure Set_Color_Pen(Color : in tColor) is
  begin
    ADA_Set_Color_Pen(Color.R,Color.G,Color.B);
  end Set_Color_Pen;        



  procedure ADA_Set_Color_Background(R : in Integer;
                                     G : in Integer;
                                     B : in Integer);

  pragma import(DLL,ADA_Set_Color_Background,"ADA_setColorBackground");

  procedure Set_Color_Background(Color : in tColor) is
  begin
    ADA_Set_Color_Background(Color.R,Color.G,Color.B);
  end Set_Color_Background;



  procedure ADA_Set_Color_Text(R : in Integer;
                               G : in Integer;
                               B : in Integer);

  pragma import(DLL,ADA_Set_Color_Text,"ADA_setColorText");

  procedure Set_Color_Text(Color : in tColor) is
  begin
    ADA_Set_Color_Text(Color.G,Color.G,Color.B);
  end Set_Color_Text;



  procedure ADA_Display_Text(Text : in  String;
                             Err  : out Natural);

  pragma import(DLL,ADA_Display_Text,"ADA_displayText");

  procedure Display_Text(Text : in String) is
    ADA_Text : String := Text & Character'Val(0);
    Err : Natural;
  begin
    ADA_Display_Text(ADA_Text,Err);
    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;
  end Display_Text;


  
  procedure ADA_Circle(Radius : in  Natural;
                       Filled : in  Natural;
                       Err    : out Natural);

  pragma import(DLL,ADA_Circle,"ADA_circle");

  procedure Circle(Radius : in Natural;
                   Filled : in tFill) is
      ADA_filled : Natural;
      Err        : Natural;
  begin
    if Filled=Fill then
      ADA_filled := 0;
    else
      ADA_filled := 1;
    end if;

    ADA_Circle(Radius,ADA_Filled,Err);

    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;
  end Circle;



  procedure ADA_Box(Width  : in  Integer;
                    Height : in  Integer;
                    Filled : in  Natural;
                    Err    : out Natural);

  pragma import(DLL,ADA_Box,"ADA_box");

  procedure Box(Width  : in Integer;
                Height : in Integer;
                Filled : in tFill) is
     ADA_filled : Natural;
     Err        : Natural;
  begin
    if Filled=Fill then
      ADA_filled := 0;
    else
      ADA_filled := 1;
    end if;

    ADA_Box(Width,Height,ADA_Filled,Err);
    
    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;
  end Box;



  procedure ADA_Put_Pixel(Err : out Natural);

  pragma import(DLL,ADA_Put_Pixel,"ADA_putPixel");

  procedure Put_Pixel is
      Err : Natural;
  begin
    ADA_Put_Pixel(Err);
    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;
  end Put_Pixel;



  procedure ADA_Get_Pixel(Couleur_R : out Natural;
                          Couleur_G : out Natural;
                          Couleur_B : out Natural;
                          Err       : out Natural);

  pragma import(DLL,ADA_Get_Pixel,"ADA_getPixel");

  function Get_Pixel return tColor is
    Couleur_R : Natural;
    Couleur_G : Natural;
    Couleur_B : Natural;  
    Err       : Natural;
  begin
    ADA_Get_Pixel(Couleur_R,Couleur_G,Couleur_B,Err);

    if Err /= 0 then
      Traiter_Erreur(Err);
    end if;

    return tColor'(Couleur_R,Couleur_G,Couleur_B);

  end Get_Pixel;



end Spider.Draw;