unit firma;

interface

uses
  Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
  Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls;

type
  TVFIRMA = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    Button1: TButton;
    Button2: TButton;
    Label2: TLabel;
    Label1: TLabel;
    Image1: TImage;
    procedure panelfirmaMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure panelfirmaMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    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);
    procedure Button2Click(Sender: TObject);
    procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X, Y: Integer);
    procedure FormMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  VFIRMA: TVFIRMA;
  pintando:boolean;


implementation

{$R *.dfm}

procedure TVFIRMA.Button1Click(Sender: TObject);
begin
    image1.Picture.Bitmap.SaveToFile('c:\agrigest\informes\firmatemp.bmp');
end;

procedure TVFIRMA.Button2Click(Sender: TObject);
var
  W: Word;
begin
    for W := 10 to 200 do
      Canvas.Pixels[W, 10] := clRed;


end;

procedure TVFIRMA.FormMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
pintando:=true;
end;

procedure TVFIRMA.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
  var xpos,ypos:integer;
begin
    xpos:=mouse.cursorpos.X;
    ypos:=mouse.cursorpos.y;
    label1.Caption:='x='+inttostr(xpos);
    label2.Caption:='y='+inttostr(ypos);
    if pintando then
    begin
       Canvas.Pixels[xpos,ypos]:=clRed;
    end;

end;

procedure TVFIRMA.FormMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
pintando:=false;
end;

procedure TVFIRMA.Image1MouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
    pintando:=true;
end;

procedure TVFIRMA.Image1MouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
  var xpos,ypos:integer;
begin
    xpos:=mouse.cursorpos.X-(left+7+image1.Left);
    ypos:=mouse.cursorpos.y-(top+30+image1.Top);
    if pintando then
    begin
      with image1.Canvas do
      begin
        pixels[xpos,ypos]:=clblack;
        pixels[xpos-1,ypos]:=clblack;
        pixels[xpos+1,ypos]:=clblack;
        pixels[xpos,ypos-1]:=clblack;
        pixels[xpos,ypos+1]:=clblack;
        pixels[xpos-1,ypos-1]:=clblack;
        pixels[xpos-1,ypos+1]:=clblack;
        pixels[xpos+1,ypos-1]:=clblack;
        pixels[xpos+1,ypos+1]:=clblack;
      end;
    end;

end;

procedure TVFIRMA.Image1MouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
pintando:=false;
end;

procedure TVFIRMA.panelfirmaMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
    pintando:=true;
end;

procedure TVFIRMA.panelfirmaMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
    pintando:=false;
end;

end.