Вiзуальний облiк вхiдних даних iнтерфейсу RS-232

Дипломная работа - Компьютеры, программирование

Другие дипломы по предмету Компьютеры, программирование




Diagram1.Invalidate;

end;

end;

end;

procedure TForm1.N2Click(Sender: TObject);

begin

Form3.Showmodal;

end;

procedure TForm1.N3Click(Sender: TObject);

begin

//form2.Show;

end;

procedure TForm1.N4Click(Sender: TObject);

begin

form3.Show;

end;

procedure TForm1.N6Click(Sender: TObject);

begin

// form4.show;

end;

procedure TForm1.AboutClick(Sender: TObject);

begin

aboutbox.showmodal;

end;

procedure TForm1.newGraphicExecute(Sender: TObject);

begin

form1.ItemNewClick(self);

end;

procedure TForm1.ExitPrExecute(Sender: TObject);

begin

close;

end;

procedure TForm1.StartGrExecute(Sender: TObject);

begin

ScrollBar1.Enabled:=false;

Fileitem.Enabled:=false;

// Interpolation.Enabled:=false;

Options.Enabled:=false;

SpeedButton1.Enabled:=false;

SpeedButton2.Enabled:=false;

SpeedButton3.Enabled:=false;

Timer1.Interval:=GraphicDiagram1.NumMiliSec;

Timer1.Enabled:=True;

Pause.Enabled:=true;

SpeedButton5.Enabled:=true;

end;

procedure TForm1.StopGrExecute(Sender: TObject);

begin

GraphicDiagram1.DrawCountthen">if GraphicDiagram1.GetPointsCount>GraphicDiagram1.DrawCount then

begin

ScrollBar1.Enabled:=true;

ScrollBar1.SetParams(GraphicDiagram1.GetPointsCount,0,GraphicDiagram1.GetPointsCount);

end;

Fileitem.Enabled:=true;

// Interpolation.Enabled:=true;

Options.Enabled:=true;

SpeedButton1.Enabled:=true;

SpeedButton2.Enabled:=true;

SpeedButton3.Enabled:=true;

Timer1.Enabled:=false;

Pause.Enabled:=false;

end;

procedure TForm1.SaveGraphExecute(Sender: TObject);

begin

SavePictureClick(Sender);

end;

procedure TForm1.saveDataGrExecute(Sender: TObject);

begin

if SaveDialog1.Execute then

GraphicDiagram1.SaveData(SaveDialog1.FileName);

end;

procedure TForm1.HelpPrExecute(Sender: TObject);

begin

aboutBox.ShowModal;

end;

procedure TForm1.LoadDataGRExecute(Sender: TObject);

begin

if openDialog1.Execute then

begin

if fileExists (openDialog1.FileName) then

GraphicDiagram1.LoadData(openDialog1.FileName)

else messageDlg(НемаСФ такого файлу!!,mtError,[mbOk],0);

end;

end;

procedure TForm1.BitBtn1Click(Sender: TObject);

begin

try

GraphicDiagram1.NumMiliSec:=StrToInt(Edit16.Text);

except MessageDlg(Число повинне бути цiлим та додатнiм!!!,mtError,[mbOk],0); end

end;

procedure TForm1.GeneratorOptionClick(Sender: TObject);

begin

Form4.showmodal;

end;

end.

Текст компонента GraphicDiagram

unit GraphicDiagram;

interface

uses

Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs;

const WM_MYMessage = WM_USER+1000;

const MAX_COUNT = 10000;

type

TTypeDiagram = (tdLine,tdColumn,tdUser);

TPoint = ^Longint;

TPointArray = TList;

TCount = 0..MAX_COUNT;

TnewMouseMoveEvent = procedure (Sender:TObject;Shift:TShiftState;x,y:integer;

var DoDefault:boolean) of Object;

TGraphicDiagram = class(TGraphicControl)

private

FTypeDiagram:TTypeDiagram;

FpointStart:Longint;//початок вiдображення точок на графiку

FPointDrawCount:Longint; //Кiнець вiдображення точок на графiку

FNumSeccond,FNumMSeccond:word; // кiлькiсть мiлiсекунд, пiсля яких добавляСФться точка

FPointYMax:Longint; //максимальна точка по РЖгрик

FDrawX:Boolean;

FDrawY:Boolean;

FDRAWColor:TColor;

FDrawGridX:Boolean;

FDrawGridY:Boolean;

FDrawGridColor:TColor;

FPointsValue:TPointArray; // тiльки додатнi елементи

FDataStart,FDataStop:TDateTime;//початок вiдображення точок на графiку

FEnabled:Boolean;

FOnMouseMove:TnewMouseMoveEvent;

OurTime:longint;

MashtabX:real;

MashtabY:real;

FMashTab:Boolean; //маштаб якщо вiн змiнився то true

// function GetValue(index:Longint): Longint; //читаСФ точку

Procedure SetValue(index,value:Longint); //добавляСФ точку

procedure SetTypeDiagram(typeD:TTypeDiagram);

procedure SetMashtabX;

procedure SetMashtabY;

protected

procedure paint;override;

procedure WritePoints(stream:TStream);virtual;

procedure ReadPoints(stream:TStream);virtual;

procedure DefineProperties(Filer:TFiler);override;

procedure WMMouseMove(var Mes:TWMMouse); message WM_MOUSEMOVE;

procedure MyMouseMove(Shift:TShiftState;x,y:integer);dynamic;

Procedure WMMyMessage(var Mes:TMessage); message WM_MyMessage;

public

{ Public declarations }

constructor create(AOwner:TComponent);override;

destructor Destroy; override;

procedure AddValue(value:TPoint);overload;

function GetPointsCount:Longint; //читаСФ точку

function getList:TPointArray;

function SaveData(filename:String):integer;

function LoadData(filename:String):integer;

function SavePicture(filename:String):integer;

procedure Start;

procedure Stop;

procedure Clear;

procedure Resize(Sender:TControl);

function GetValue(index:Longint): Longint; //читаСФ точку

// procedure AddValue(value:longint);overload;

published

{ Published declarations }

property TypeDiagram:TTypeDiagram read FTypeDiagram write FTypeDiagram;

property DrawCount:integer read FPointDrawCount Write FPointDrawCount;

property DrawX:Boolean read FDrawX Write FDrawX;

property DrawY:Boolean read FDrawY Write FDrawY;

property DrawGridX:Boolean read FDrawGridX Write FDrawGridX;

property DrawGridY:Boolean read FDrawGridY Write FDrawGridY;

property DrawColor:TColor read FDrawColor Write FDrawColor;

property DrawGridColor:TColor read FDrawGridColor Write FDrawGridColor;

property DrawStart:integer read FPointStart Write FPointStart;

property NumSeccondShow:word read FNumSeccond write FNumSeccond stored false;

property NumMiliSec:word read FNumMSeccond write FNumMSeccond stored false;

property OnMouseMove:TnewMouseMoveEvent read FOnMouseMove write FOnMouseMove;

end;

procedure Register;

implementation

procedure TGraphicDiagram.Resize;

begin

Height:=Sender.Height-30;

Width:=Sender.Width-15;

invalidate;

end;

function TGraphicDiagram.getList:TPointArray;

begin

result:=FPointsValue;

end;

procedure TGraphicDiagram.Start;

begin

FDataStart:=now;

end;

procedure TGraphicDiagram.Stop;

begin

FDataStop:=now;

end;

destructor TGraphicDiagram.destroy;

begin

Self.clear;

inherited;

end;

procedure TGraphicDiagram.Clear;

var l:^Longint;

i:TPoint;

n:Longint;

begin

n:=FPointsValue.Count-1;

FPointsValue.clear;

FpointStart:=0;

new (i);

i^:=0;

AddValue(i);

invalidate;

end;

function TGraphicDiagram.LoadData;

var i:Longint;

n:^Longint;

f:textFile;

st:String;

begin

result:=-1;

FpointsValue.Clear;

FpointStart:=0;

if not FileExists(filename) then exit;

assignFile(f,filename);

reset(f);

while not eof(f) do

begin

readln(f,st);

i:=pos(|,st);

if i=0 then Exception.create(Неправильний формат файлу +filename);

FDataStart:=StrToDateTime(copy(st,1,i-1));

new (n);

n^:= StrToInt(copy(st,i+1,10));

FpointsValue.add(n);

end;

closeFile(f);

invalidate;

result:=0;

end;

function TGraphicDiagram.SavePicture;

var tp:TBitMap;

st:TStream;

p:pointer;

rin:TRect;

begin

rin:=Rect(0,0,width,height);

//TCanvas

tp:= TBitmap.Create;

// p:=addr(self.canvas.pixels[0,0])

tp.width:=width;

tp.height:=height;

tp.canvas.CopyRect (rin, self.canvas,rin);

tp.SaveToFile (filename);

tp.free;

end;

function TGraphicDiagram.SaveData;

var i:Longint;

n:^Longint;

f:textFile;

begin

result:=-1;

assignFile(f,filename);

rewrite(f);

for i:=0 to FPointsValue.count-1 do

begin

n:=FpointsValue.items[i];

writeln(f,DateTimeToStr(FDataStart+(FDataStart-FDataStop)/FPointsValue.count),|,n^);

end;

closeFile(f);

result:=0;

end;

function TGraphicDiagram.GetPointsCount:Longint; //

begin

resu