unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms, Dialogs, ExtCtrls;
type
TForm1 = class(TForm)
Image1: TImage;
private
{ Private declarations }
Pintando : Boolean;
procedure FormCreate(Sender: TObject);
procedure Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
procedure Image1MouseMove(Sender: TObject; Shift: TShiftState; X,Y: Integer);
procedure Image1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
Pintando := False;
Image1.Canvas.Refresh;
end;
procedure TForm1.Image1MouseDown(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
If Button = mbLeft Then
Begin
Pintando := True;
Image1.Canvas.MoveTo (X,Y);
end;
end;
procedure TForm1.Image1MouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
begin
If Pintando Then
Image1.Canvas.LineTo (X,Y);
end;
procedure TForm1.Image1MouseUp(Sender: TObject; Button: TMouseButton; Shift: TShiftState; X, Y: Integer);
begin
If Button = mbLeft Then
pintando := False;
end;
end.