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| unit UPrincipale;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, Menus, ExtCtrls, Buttons, ComCtrls, ToolWin, StdCtrls;
type
TFPrincipale = class(TForm)
Palette_Dessin: TPanel;
MainMenu1: TMainMenu;
Fichier1: TMenuItem;
Nouveau1: TMenuItem;
Ouvrir1: TMenuItem;
Enregister1: TMenuItem;
Quitter1: TMenuItem;
SpBtnEntite: TSpeedButton;
SpBtnRelation: TSpeedButton;
Edition1: TMenuItem;
Copier1: TMenuItem;
Affichage1: TMenuItem;
PaletteOutils1: TMenuItem;
BarredEtat1: TMenuItem;
StatusBar: TStatusBar;
ColorDialog1: TColorDialog;
SpBtnMove: TSpeedButton;
procedure Quitter1Click(Sender: TObject);
procedure Panel_Zone_DessinMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure Palette_DessinMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: Integer);
procedure FormCreate(Sender: TObject);
procedure FormPaint(Sender: TObject);
procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure SpBtnEntiteClick(Sender: TObject);
procedure SpBtnRelationClick(Sender: TObject);
procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure FormMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure SpBtnMoveClick(Sender: TObject);
private
{ Déclarations privées }
public
{ Déclarations publiques }
end;
//Déclaration des Constantes
const
Nbre_Maxi_Forme=50;
//Déclaration de Type
type TFormeDessine=record
Point_Depart_Forme_X:integer;
Point_Depart_Forme_Y:integer;
Point_Arrive_Forme_X:integer;
Point_Arrive_Forme_Y:integer;
Point_Depart_Ellipse_X:integer;
Point_Depart_Ellipse_Y:integer;
Point_Fin_Ellipse_X:integer;
Point_Fin_Ellipse_Y:integer;
Largeur,Hauteur:integer;
Forme_Dessinee:string[15];
end;
//Déclaration des Fonctions et Procédures
function GetNumeroForme(X:integer;Y:integer) : integer;
procedure InitTabForme(var Tableau_Forme:TFormeDessine; Nbre_Maxi_Forme:integer);
var
FPrincipale: TFPrincipale;
Zone_Dessin:TBitmap;
TabForme:array[1..Nbre_Maxi_Forme]of TFormeDessine;
Tableau_Forme:TFormeDessine;
Forme_Dessin:String;
Clic,tracerligne:Boolean;
Point_Depart_Forme_X:integer;
Point_Depart_Forme_Y:integer;
Point_Arrive_Forme_X:integer;
Point_Arrive_Forme_Y:integer;
Point_Depart_Ellipse_X:integer;
Point_Depart_Ellipse_Y:integer;
Point_Fin_Ellipse_X:integer;
Point_Fin_Ellipse_Y:integer;
Largeur,Hauteur:integer;
Nbr_Forme,NumeroForme:integer;
deplacement : boolean;
XDeplacement,YDeplacement:integer;
Zone_Source,Zone_Dest:TRect;
implementation
{$R *.dfm}
//Fonction permettant de savoir sur si on a cliqué sur une forme ou non
//La fonction retourne 0 si ce n'est pas une forme sinon le numéro de la forme
//Elle reçoit en paramètre X et Y correspond à ceux de l'événement OnMouseDown
function GetNumeroForme( X:integer;Y:integer) : integer;
var
continue : boolean;
indice : integer;
x1, y1, x2, y2 : integer;
begin
continue := true;
indice := 1;
// Je parcours mes formes et je vérifie si j'ai cliqué sur l'une d'entre elle.
while ((indice<=Nbr_Forme)and(continue)) do
begin
x1 := TabForme[indice].Point_Depart_Forme_X;
y1 := TabForme[indice].Point_Depart_Forme_Y;
x2 := TabForme[indice].Point_Arrive_Forme_X;
y2 := TabForme[indice].Point_Arrive_Forme_Y;
if (((X>=x1)and(X<=x2) or (X<=x1)and(X>=x2)) and ((Y>=y1)and(Y<=y2)or (Y<=y1)and(Y>=y2))) then
begin
continue :=false;
end
else
indice := indice+1;
end;
if not continue then
result := indice // Numéro de la forme où j'ai cliqué
else
result := 0; // Retourne 0 si je n'ai pas cliqué sur une forme
end;
//Procédure Initialisant Mon Tableau De Forme en affectant des
//0 aux integer et un blanc aux string
procedure InitTabForme(var Tableau_Forme:TFormeDessine;Nbre_Maxi_Forme:integer);
var
Indice_Tab:integer;
begin
for Indice_Tab:=1 to Nbre_Maxi_Forme do
begin
TabForme[Indice_Tab].Point_Depart_Forme_X:=0;
TabForme[Indice_Tab].Point_Depart_Forme_Y:=0;
TabForme[Indice_Tab].Point_Arrive_Forme_X:=0;
TabForme[Indice_Tab].Point_Arrive_Forme_Y:=0;
TabForme[Indice_Tab].Largeur:=0;
TabForme[Indice_Tab].Hauteur:=0;
TabForme[Indice_Tab].Point_Depart_Ellipse_X:=0;
TabForme[Indice_Tab].Point_Depart_Ellipse_Y:=0;
TabForme[Indice_Tab].Point_Fin_Ellipse_X:=0;
TabForme[Indice_Tab].Point_Fin_Ellipse_X:=0;
TabForme[Indice_Tab].Forme_Dessinee:='';
end;
end;
procedure TFPrincipale.FormMouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
if Button = mbLeft then
begin
if (((Forme_Dessin='Entite') or (Forme_Dessin='Relation'))and (NumeroForme =0)) then
begin
Clic:=false;
Point_Arrive_Forme_X:=X;
Point_Arrive_Forme_Y:=Y;
if (Forme_Dessin='Entite') or (Forme_Dessin='Relation') then
Nbr_Forme:=Nbr_Forme+1;
TabForme[Nbr_Forme].Point_Depart_Forme_X:= Point_Depart_Forme_X;
TabForme[Nbr_Forme].Point_Depart_Forme_Y:= Point_Depart_Forme_Y;
TabForme[Nbr_Forme].Point_Arrive_Forme_X:= Point_Arrive_Forme_X;
TabForme[Nbr_Forme].Point_Arrive_Forme_Y:= Point_Arrive_Forme_Y;
TabForme[Nbr_Forme].Largeur:= Point_Arrive_Forme_X-Point_Depart_Forme_X;
TabForme[Nbr_Forme].Hauteur:= Point_Arrive_Forme_Y-Point_Depart_Forme_Y;
TabForme[Nbr_Forme].Forme_Dessinee:=Forme_Dessin;
if (Forme_Dessin='Entite') then
begin
TabForme[Nbr_Forme].Point_Depart_Ellipse_X:=0;
TabForme[Nbr_Forme].Point_Depart_Ellipse_Y:=0;
TabForme[Nbr_Forme].Point_Fin_Ellipse_X:=0;
TabForme[Nbr_Forme].Point_Fin_Ellipse_Y:=0;
Zone_Dessin.Canvas.Brush.Style:=bsSolid;
Zone_Dessin.Canvas.Rectangle(TabForme[Nbr_Forme].Point_Depart_Forme_X,TabForme[Nbr_Forme].Point_Depart_Forme_Y,TabForme[Nbr_Forme].Point_Arrive_Forme_X,TabForme[Nbr_Forme].Point_Arrive_Forme_Y);
if (TabForme[Nbr_Forme].Point_Arrive_Forme_Y<TabForme[Nbr_Forme].Point_Depart_Forme_Y) then
Zone_Dessin.Canvas.Polyline([Point((TabForme[Nbr_Forme].Point_Depart_Forme_X),(TabForme[Nbr_Forme].Point_Arrive_Forme_Y+20)),Point((TabForme[Nbr_Forme].Point_Arrive_Forme_X),(TabForme[Nbr_Forme].Point_Arrive_Forme_Y+20))])
else
Zone_Dessin.Canvas.Polyline([Point(TabForme[Nbr_Forme].Point_Depart_Forme_X,(TabForme[Nbr_Forme].Point_Depart_Forme_Y+20)),Point(TabForme[Nbr_Forme].Point_Arrive_Forme_X,(TabForme[Nbr_Forme].Point_Depart_Forme_Y+20))]);
end
else
begin
if (Forme_Dessin='Relation') then
begin
Point_Depart_Ellipse_X:=(Point_Depart_Forme_X+((Point_Arrive_Forme_X-Point_Depart_Forme_X) div 2))-40;
Point_Depart_Ellipse_Y:=(Point_Depart_Forme_Y+((Point_Arrive_Forme_Y-Point_Depart_Forme_Y) div 2))-20;
Point_Fin_Ellipse_X:=(Point_Depart_Forme_X+((Point_Arrive_Forme_X-Point_Depart_Forme_X) div 2))+40;
Point_Fin_Ellipse_Y:=(Point_Depart_Forme_Y+((Point_Arrive_Forme_Y-Point_Depart_Forme_Y) div 2))+20;
TabForme[Nbr_Forme].Point_Depart_Ellipse_X:=Point_Depart_Ellipse_X;
TabForme[Nbr_Forme].Point_Depart_Ellipse_Y:=Point_Depart_Ellipse_Y;
TabForme[Nbr_Forme].Point_Fin_Ellipse_X:=Point_Fin_Ellipse_X;
TabForme[Nbr_Forme].Point_Fin_Ellipse_Y:=Point_Fin_Ellipse_Y;
Zone_Dessin.Canvas.Polyline([Point(Point_Depart_Forme_X,Point_Depart_Forme_Y),Point(Point_Arrive_Forme_X,Point_Arrive_Forme_Y)]);
Zone_Dessin.Canvas.Ellipse(Point_Depart_Ellipse_X,Point_Depart_Ellipse_Y,Point_Fin_Ellipse_X,Point_Fin_Ellipse_Y);
end;
end;
end;
if (Forme_Dessin='Move')then
begin
//Zone_Dessin.canvas.Rectangle(X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X),Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y),X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X)+TabForme[NumeroForme].Largeur,Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y)+TabForme[NumeroForme].Hauteur);
deplacement:=false;
Zone_Dest:=Rect(X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X),Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y),X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X)+TabForme[NumeroForme].Largeur,Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y)+TabForme[NumeroForme].Hauteur);
Zone_Dessin.Canvas.CopyRect(Zone_Dest,Zone_Dessin.Canvas,Zone_Source);
end;
end;
FPrincipale.Repaint;
end;
procedure TFPrincipale.Quitter1Click(Sender: TObject);
begin
Application.Terminate;
end;
procedure TFPrincipale.Panel_Zone_DessinMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: Integer);
begin
StatusBar.SimpleText:='X: '+IntToStr(X)+ ' ; Y: '+IntToStr(Y);
end;
procedure TFPrincipale.Palette_DessinMouseMove(Sender: TObject;
Shift: TShiftState; X, Y: Integer);
begin
StatusBar.SimpleText:='';
end;
procedure TFPrincipale.FormCreate(Sender: TObject);
begin
Zone_Dessin:=TBitmap.Create;
DoubleBuffered:=True;
Zone_Dessin.Width:=FPrincipale.Width;
Zone_Dessin.Height:=FPrincipale.Height;
Zone_Dessin.Canvas.Brush.Color:=clwhite;
Zone_Dessin.Canvas.Brush.Style:=bsClear;
Zone_Dessin.Canvas.Pen.Width:=1;
Canvas.Brush.Style:=bsClear;
Forme_Dessin:='Entite';
tracerligne:=false;
Nbr_Forme:=0;
NumeroForme:=0;
deplacement:=false;
end;
procedure TFPrincipale.FormPaint(Sender: TObject);
begin
FPrincipale.Canvas.Draw(0,0,Zone_Dessin);
end;
procedure TFPrincipale.FormMouseMove(Sender: TObject; Shift: TShiftState;
X, Y: Integer);
var
Depart_Ellipse_X,Depart_Ellipse_Y,Fin_Ellipse_X,Fin_Ellipse_Y : integer;
begin
StatusBar.SimpleText:='X: '+IntToStr(X-Palette_Dessin.Width)+ ' ; Y: '+IntToStr(Y);
FPrincipale.Repaint;
if (Clic) then
begin
if (Forme_Dessin='Entite') then
begin
Canvas.Rectangle(Point_Depart_Forme_X,Point_Depart_Forme_Y,X,Y);
if (Y<Point_Depart_Forme_Y) then
Canvas.Polyline([Point((X),(Y+20)),Point((X+(Point_Depart_Forme_X-X)),(Point_Depart_Forme_Y-(Point_Depart_Forme_Y-Y)+20))])
else
Canvas.Polyline([Point(Point_Depart_Forme_X,(Point_Depart_Forme_Y+20)),Point(X,(Point_Depart_Forme_Y+20))]);
end;
if (Forme_Dessin='Relation') then
begin
Depart_Ellipse_X:=(Point_Depart_Forme_X+((X-Point_Depart_Forme_X) div 2))-40;
Depart_Ellipse_Y:=(Point_Depart_Forme_Y+((Y-Point_Depart_Forme_Y) div 2))-20;
Fin_Ellipse_X:=(Point_Depart_Forme_X+((X-Point_Depart_Forme_X) div 2))+40;
Fin_Ellipse_Y:=(Point_Depart_Forme_Y+((Y-Point_Depart_Forme_Y) div 2))+20;
Canvas.Polyline([Point(Point_Depart_Forme_X,Point_Depart_Forme_Y),Point(X,Y)]);
Canvas.Brush.Style:=bsSolid;
Canvas.Brush.Color:=clWhite;
Canvas.Ellipse(Depart_Ellipse_X,Depart_Ellipse_Y,Fin_Ellipse_X,Fin_Ellipse_Y);
end;
end;
if (Forme_Dessin='Move') then
begin
if deplacement then
//canvas.Rectangle(X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X),Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y),X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X)+TabForme[NumeroForme].Largeur,Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y)+TabForme[NumeroForme].Hauteur);
Zone_Dest:=Rect(X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X),Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y),X-(XDeplacement-TabForme[NumeroForme].Point_Depart_Forme_X)+TabForme[NumeroForme].Largeur,Y-(YDeplacement-TabForme[NumeroForme].Point_Depart_Forme_Y)+TabForme[NumeroForme].Hauteur);
Canvas.CopyRect(Zone_Dest,Zone_Dessin.Canvas,Zone_Source);
end;
end;
procedure TFPrincipale.SpBtnEntiteClick(Sender: TObject);
begin
Forme_Dessin:='Entite';
Zone_Dessin.Canvas.Brush.Style:=bsSolid;
Zone_Dessin.Canvas.Pen.Width:=1;
Zone_Dessin.Canvas.Pen.Color:=clBlack;
FPrincipale.Canvas.Pen.Color:=clBlack;
end;
procedure TFPrincipale.SpBtnRelationClick(Sender: TObject);
begin
Forme_Dessin:='Relation';
Zone_Dessin.Canvas.Brush.Style:=bsSolid;
Zone_Dessin.Canvas.Pen.Width:=1;
Zone_Dessin.Canvas.Pen.Color:=clBlack;
FPrincipale.Canvas.Pen.Color:=clBlack;
end;
procedure TFPrincipale.FormMouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
NumeroForme :=GetNumeroForme(X,Y);
if(Nbr_Forme<Nbre_Maxi_Forme)then
begin
if (NumeroForme=0) then
begin
Clic:=true;
if ((Forme_Dessin='Entite') or (Forme_Dessin='Relation')) then
begin
Point_Depart_Forme_X:=X;
Point_Depart_Forme_Y:=Y;
end;
end
else
begin
if (Forme_Dessin='Move') then
begin
deplacement:=true;
XDeplacement:=X;
YDeplacement:=Y;
Zone_Source:=Rect(TabForme[NumeroForme].Point_Depart_Forme_X,TabForme[NumeroForme].Point_Depart_Forme_Y,TabForme[NumeroForme].Point_Arrive_Forme_X,TabForme[NumeroForme].Point_Arrive_Forme_Y);
end;
end;
end
else
ShowMessage('Nombre de forme maximum atteinds');
end;
procedure TFPrincipale.SpBtnMoveClick(Sender: TObject);
begin
Forme_Dessin:='Move';
end;
end. |
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