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unit UTestVisu;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls;
type
TData = Record
stop : longint;
Value : integer;
end;
TDatas = Array of TData;
TValue = Record
Min : LonGint;
Max : LonGint;
NbOcur : LonGint;
end;
TForm1 = class(TForm)
Zoneaff: TPaintBox;
procedure FormCreate(Sender: TObject);
procedure ZoneaffPaint(Sender: TObject);
private
Datas : TDatas;
{ Déclarations privées }
Function DelTay() : TValue;
Function DelTaMiny : Integer;
procedure AddData(value : integer;Stop : Longint);
procedure TraceAxe;
procedure TraceAxey(pt1,pt2 : TPoint;Ep : integer);
procedure TraceAxeX(pt1,pt2 : TPoint;Ep : integer);
procedure TraceCourbe;
procedure DesinneDroite(start,Stop,value : Longint);
Function TransFormeAxeY(value : integer) : Integer;
procedure EcritTexte(x,y : integer;lib : String);
public
{ Déclarations publiques }
KColorFond : TColor;
KColorLibelle : TColor;
KColorAxe : TColor;
KColorTrait : TColor;
KMargeBas : Integer;
KMargeHaut : Integer;
KMargeDroite : Integer;
KMargeGauche : Integer;
KNbGradeY : Integer;
NbGradx : Integer;
Koriginex : Integer;
Koriginey : Integer;
Kechelley : integer;
Kechellex : integer;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.Add(value : integer;Stop : Longint);
begin
setlength(datas,Length(datas)+1);
datas[high(datas)].value := value;
datas[high(datas)].stop := Stop;
end;
procedure TForm1.FormCreate(Sender: TObject);
begin
inherited ;
KColorFond := ClWhite;
KColorLibelle := ClBlack;
KColorTrait := ClRed;
KColorAxe := ClBlack;
KMargeBas := 15;
KMargeHaut := 15;
KMargeDroite := 15;
KMargeGauche := 15;
Koriginex := 30;
AddData(0,0);
AddData(5,10);
AddData(0,60);
AddData(-5,230);
AddData(10,400);
KNbGradeY := 25;
NbGradx := 400;
end;
Function TForm1.DelTay() : TValue;
begin
end;
Function TForm1.DelTaMiny : Integer;
begin
Result := 99999;
end;
Function NbValY : Integer;
begin
end;
procedure TForm1.TraceAxex(pt1,pt2 : Tpoint;Ep : integer);
begin
Zoneaff.Canvas.Pen.Width := Ep;
Zoneaff.Canvas.Pen.Color := KColorAxe;
Zoneaff.Canvas.MoveTo(pt1.x,pt1.Y);
Zoneaff.Canvas.lineTo(pt2.X,pt2.Y);
Zoneaff.Canvas.Pen.Color := KColorFond;
Zoneaff.Canvas.Pen.Width := 1;
end;
procedure TForm1.TraceAxey(pt1,pt2 : TPoint;Ep : integer);
begin
Zoneaff.Canvas.Pen.Width := 3;
Zoneaff.Canvas.Pen.Color := KColorAxe;
Zoneaff.Canvas.MoveTo(pt1.x,pt1.y);
Zoneaff.Canvas.lineTo(pt2.x,pt2.y);
Zoneaff.Canvas.Pen.Width := 1;
end;
Function TForm1.TransFormeAxeY(value : integer) : Integer;
begin
Result := KNbGradeY - value
end;
procedure TForm1.EcritTexte(x,y : integer;lib : String);
begin
Zoneaff.Canvas.TextOut(x,y,lib);
end;
procedure TForm1.TraceAxe;
const
lib = 'Temps en seconde';
var
lg : integer;
pt1,pt2 : TPoint;
i : integer;
begin
Kechelley := (Zoneaff.Height-(KMargeBas+KMargeHaut)) Div KNbGradeY;
Kechellex := (Zoneaff.Width-(KMargeDroite+KMargeGauche)) div NbGradx;
Zoneaff.Canvas.Brush.Style := bsSolid ;
Zoneaff.Canvas.Brush.Color := KColorFond;
Zoneaff.Canvas.Pen.Color := KColorFond;
Zoneaff.Canvas.FillRect(Zoneaff.ClientRect);
pt1.x := Koriginex;
pt1.y := KMargeHaut;
pt2.x := Koriginex;
pt2.y := Zoneaff.Height-KMargeBas;
TraceAxex(pt1,pt2,3);
For i:= -5 to 14 do
begin
if (i mod 5)= 0 Then
EcritTexte(KMargeGauche,(Kechelley*TransFormeAxeY(i))-(KMargeBas+KMargeHaut)-15,inttostr(i));
end;
pt1.x := KMargeDroite;
pt1.y := (Kechelley*TransFormeAxeY(0))-(KMargeBas+KMargeHaut);
pt2.x := Zoneaff.Width-KMargeDroite;
pt2.y := (Kechelley*TransFormeAxeY(0))-(KMargeBas+KMargeHaut);
TraceAxey(pt1,pt2,3);
lg := Zoneaff.Canvas.TextWidth(lib);
EcritTexte(Zoneaff.Width-lg-5,(Kechelley*TransFormeAxeY(0))-(KMargeBas+KMargeHaut)+7,lib);
end;
procedure TForm1.DesinneDroite(start,Stop,value : Longint);
var
pt1,pt2 : TPoint;
begin
Zoneaff.Canvas.Pen.Width := 3;
Zoneaff.Canvas.Pen.Color := KColorTrait;
Zoneaff.Canvas.MoveTo(start,value);
Zoneaff.Canvas.lineTo((Kechellex*stop)+Koriginex,value);
Zoneaff.Canvas.Pen.Color := KColorFond;
Zoneaff.Canvas.Pen.Width := 1;
pt1.x := (Kechellex*Stop)+Koriginex;
pt1.y := KMargeHaut;
pt2.x := (Kechellex*Stop)+Koriginex;
pt2.y := Zoneaff.Height-KMargeBas;
TraceAxex(pt1,pt2,1);
EcritTexte(pt2.X+5,value+5,inttostr(stop));
end;
procedure TForm1.TraceCourbe(Datas : TDatas);
var
start,Stop,value : Longint;
i : integer;
Pt1 , pt2 : Tpoint;
begin
for i:= Succ(low(Datas)) to High(Datas) do
begin
start := (Kechellex*Datas[i-1].stop)+Koriginex;
stop := Datas[i].stop;
value := Kechelley*(TransFormeAxeY(Datas[i].value))-(KMargeHaut+KMargeBas);
DesinneDroite(start,Stop,value);
end;
end;
procedure TForm1.ZoneaffPaint(Sender: TObject);
begin
TraceAxe;
TraceCourbe;
end;
end. |
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