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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, ExtCtrls, StdCtrls ;
type
TForm1 = class(TForm)
PaintBox1: TPaintBox;
Panel1: TPanel;
Memo1: TMemo;
bRefresh: TButton;
bOnPaint: TButton;
Timer1: TTimer;
bDessin: TButton;
procedure PaintBox1MouseMove(Sender: TObject; Shift: TShiftState; X,
Y: Integer);
procedure PaintBox1Paint(Sender: TObject);
procedure PaintBox1MouseLeave(Sender: TObject);
procedure PaintBox1MouseEnter(Sender: TObject);
procedure FormCreate(Sender: TObject);
procedure bRefreshClick(Sender: TObject);
procedure bOnPaintClick(Sender: TObject);
procedure bDessinClick(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
procedure PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
procedure PaintBox1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
private
procedure Clear;
procedure CrossCursor(X, Y: Integer);
procedure Log(S: String);
procedure Dessin;
public
Lx,Ly:integer;
CrossCursorEnable: Boolean;
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.bOnPaintClick(Sender: TObject);
begin
PaintBox1Paint(sender);
end;
procedure TForm1.bRefreshClick(Sender: TObject);
begin
paintbox1.Refresh;
end;
procedure TForm1.bDessinClick(Sender: TObject);
begin
with paintbox1.Canvas do begin
pen.Mode:=pmCopy;
pen.Color:= clred;
moveto(30,50);LineTo(paintbox1.width-100,paintbox1.Height-50);
end;
end;
Procedure TForm1.Clear;
Begin
with PaintBox1.canvas do begin
Pen.mode:=pmCopy;
brush.Style := bssolid;
brush.color:=clWhite;
pen.color:=clwhite;
rectangle(0,0,paintbox1.width,paintbox1.height);
end;
End;
Procedure TForm1.CrossCursor(X,Y:Integer);
Begin
If CrossCursorEnable then begin
with paintbox1.Canvas do begin
pen.Mode:=pmnotxor;
pen.Color:= clblack;
moveto(0,LY);LineTo(paintbox1.width,Ly);
moveto(Lx,0);LineTo(Lx,paintbox1.Height);
moveto(0,Y);LineTo(paintbox1.width,y);
moveto(X,0);LineTo(x,paintbox1.Height);
end;
Lx:=x;
Ly:=Y;
end;
End;
Procedure TForm1.Dessin; //Dessin bidon pour fin de test
Begin
with paintbox1.Canvas do begin
pen.Mode:=pmCopy;
pen.Color:= clblue;
moveto(0,0);LineTo(paintbox1.width,paintbox1.Height);
moveto(paintbox1.width,0);LineTo(0,paintbox1.Height);
end;
End;
procedure TForm1.FormCreate(Sender: TObject);
begin
CrossCursorEnable:=true;
end;
Procedure TForm1.Log(S:String);
Begin
Memo1.lines.add(FormatDateTime('HH:NN:SS:ZZZ',now) + ',' + s);
End;
procedure TForm1.PaintBox1MouseDown(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
CrossCursor(-10,-10);
//...code
log('MouseDown');
CrossCursor(x,y);
end;
procedure TForm1.PaintBox1MouseEnter(Sender: TObject);
begin
Log('MouseEnter');
CrossCursor(-10,-10);
end;
procedure TForm1.PaintBox1MouseLeave(Sender: TObject);
begin
Log('MouseLeave');
CrossCursor(-10,-10);
end;
procedure TForm1.PaintBox1MouseMove(Sender: TObject; Shift: TShiftState; X,Y: Integer);
begin
Log('MouseMove');
caption := inttostr(x)+','+inttostr(y);
CrossCursor(x,y);
end;
procedure TForm1.PaintBox1MouseUp(Sender: TObject; Button: TMouseButton;
Shift: TShiftState; X, Y: Integer);
begin
CrossCursor(-10,-10);
//...
log('MouseUp');
CrossCursor(x,y);
end;
procedure TForm1.PaintBox1Paint(Sender: TObject);
begin
Log('Paint');
Timer1.Enabled := true; // <--S'EST ICI QUE DEVRAIT REDESSINER
Timer1.Interval := 1; // <-- AU LIEU JE DOIT APPELER UN TIMER POUR
//<-- POUR QU'IL LE FASSE.
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
Timer1.Enabled := false;
Timer1.Interval := 0;
Log('Paint dans timer');
Clear; //Efface l'espace de travail
Dessin; //<-dessin bidon pour fin de test
lx:=-10;ly:=-10;
end; |
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