graphwin.pas

这是我用Delphi和Matlab写的一个程序

unit GraphWin;

interface

uses
  SysUtils, Windows, Messages, Classes, Graphics, Controls, Forms, Dialogs,
  Buttons, ExtCtrls, StdCtrls, ComCtrls, Menus, Jpeg, StereoImg, unDM,
  CustomizeDlg, ExtDlgs, BuildStaticModel, unABOUT, unRectification;

type
  //  程序启动后默认取值为dtLine
  TDrawingTool = (dtNull, dtLine, dtRectangle, dtEllipse, dtRoundRect);

  T3DPoint = record
    X: Real;                            //  世界坐标系中的坐标
    Y: Real;                            //  世界坐标系中的坐标
    Z: Real;                            //  世界坐标系中的坐标
    //  立体图像对I1的坐标
    I1X: Integer;
    I1Y: Integer;
    //  立体图像对I2的坐标
    I2X: Integer;
    I2Y: Integer;
  end;

  TCube = record
    //  立方体的中心坐标
    cX: Real;
    cY: Real;
    cZ: Real;
    hLen: Real;                         //  半边长
    vertex: array[0..7] of T3DPoint;    //  定义立方体的八个顶点
  end;

  TForm1 = class(TForm)
    Panel1: TPanel;
    LineButton: TSpeedButton;
    RectangleButton: TSpeedButton;
    EllipseButton: TSpeedButton;
    RoundRectButton: TSpeedButton;
    PenButton: TSpeedButton;
    BrushButton: TSpeedButton;
    PenBar: TPanel;
    BrushBar: TPanel;
    SolidPen: TSpeedButton;
    DashPen: TSpeedButton;
    DotPen: TSpeedButton;
    DashDotPen: TSpeedButton;
    DashDotDotPen: TSpeedButton;
    ClearPen: TSpeedButton;
    PenWidth: TUpDown;
    PenSize: TEdit;
    StatusBar1: TStatusBar;
    ScrollBox1: TScrollBox;
    Image: TImage;
    SolidBrush: TSpeedButton;
    ClearBrush: TSpeedButton;
    HorizontalBrush: TSpeedButton;
    VerticalBrush: TSpeedButton;
    FDiagonalBrush: TSpeedButton;
    BDiagonalBrush: TSpeedButton;
    CrossBrush: TSpeedButton;
    DiagCrossBrush: TSpeedButton;
    PenColor: TSpeedButton;
    BrushColor: TSpeedButton;
    ColorDialog1: TColorDialog;
    MainMenu1: TMainMenu;
    File1: TMenuItem;
    New1: TMenuItem;
    Open1: TMenuItem;
    Save1: TMenuItem;
    Saveas1: TMenuItem;
    N1: TMenuItem;
    Exit1: TMenuItem;
    Edit1: TMenuItem;
    Cut1: TMenuItem;
    Copy1: TMenuItem;
    Paste1: TMenuItem;
    OpenDialog1: TOpenDialog;
    SaveDialog1: TSaveDialog;
    miStereo: TMenuItem;
    miCube: TMenuItem;
    miProc: TMenuItem;
    miMergeImg: TMenuItem;
    miMAXScript: TMenuItem;
    miCreateScript: TMenuItem;
    HandButton: TSpeedButton;
    miConvert: TMenuItem;
    miMove: TMenuItem;
    miUniform: TMenuItem;
    miSplit: TMenuItem;
    miTriangular: TMenuItem;
    miPiecewise: TMenuItem;
    miNormal: TMenuItem;
    miHelp: TMenuItem;
    miAbout: TMenuItem;
    pmOpr: TPopupMenu;
    miSave: TMenuItem;
    miZoomIn: TMenuItem;
    miZoomOut: TMenuItem;
    miOrigin: TMenuItem;
    miGray: TMenuItem;
    miRectification: TMenuItem;
    procedure miMoveClick(Sender: TObject);
    procedure HandButtonClick(Sender: TObject);
    procedure FormMouseDown(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure FormMouseUp(Sender: TObject; Button: TMouseButton;
      Shift: TShiftState; X, Y: Integer);
    procedure FormMouseMove(Sender: TObject; Shift: TShiftState; X,
      Y: Integer);
    procedure LineButtonClick(Sender: TObject);
    procedure RectangleButtonClick(Sender: TObject);
    procedure EllipseButtonClick(Sender: TObject);
    procedure RoundRectButtonClick(Sender: TObject);
    procedure PenButtonClick(Sender: TObject);
    procedure BrushButtonClick(Sender: TObject);
    procedure SetPenStyle(Sender: TObject);
    procedure PenSizeChange(Sender: TObject);
    procedure FormCreate(Sender: TObject);
    procedure SetBrushStyle(Sender: TObject);
    procedure PenColorClick(Sender: TObject);
    procedure BrushColorClick(Sender: TObject);
    procedure Exit1Click(Sender: TObject);
    procedure Open1Click(Sender: TObject);
    procedure Save1Click(Sender: TObject);
    procedure Saveas1Click(Sender: TObject);
    procedure New1Click(Sender: TObject);
    procedure Copy1Click(Sender: TObject);
    procedure Cut1Click(Sender: TObject);
    procedure Paste1Click(Sender: TObject);
    procedure miCubeClick(Sender: TObject);
    procedure miMergeImgClick(Sender: TObject);
    procedure miCreateScriptClick(Sender: TObject);
    procedure miUniformClick(Sender: TObject);
    procedure miSplitClick(Sender: TObject);
    procedure miTriangularClick(Sender: TObject);
    procedure miPiecewiseClick(Sender: TObject);
    procedure miNormalClick(Sender: TObject);
    procedure miAboutClick(Sender: TObject);
    procedure miSaveClick(Sender: TObject);
    procedure miZoomInClick(Sender: TObject);
    procedure miZoomOutClick(Sender: TObject);
    procedure miOriginClick(Sender: TObject);
    procedure miGrayClick(Sender: TObject);
    procedure miRectificationClick(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
    BrushStyle: TBrushStyle;
    PenStyle: TPenStyle;
    PenWide: Integer;
    Drawing: Boolean;
    Origin, MovePt: TPoint;
    W, U: T3DPoint;                     //  立体直线的两个端点
    Pd, Od: Real;                       //  Pd>0是正视差，pd<0是负视差
    DrawingTool: TDrawingTool;
    CurrentFile: string;
    procedure SaveStyles;
    procedure RestoreStyles;
    procedure DrawShape(TopLeft, BottomRight: TPoint; AMode: TPenMode);
  end;

var
  Form1             : TForm1;
  sCube             : TCube;

  {  the implementation section can declare constants, types (including classes),
    variables, procedures, and functions that are private to the unit.             }
implementation

uses BMPDlg, Clipbrd, unParaSet, unConvert, unSplit;

{$R *.dfm}

const
  h                 = 3.25;

procedure TForm1.FormMouseDown(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  Drawing := True;                      //  绘图
  Image.Canvas.MoveTo(X, Y);            //  画笔移到鼠标处
  Origin := Point(X, Y);                //  记录下当前点作为起始点
  MovePt := Origin;                     //  记录下当前点作为目标点
  StatusBar1.Panels[0].Text := Format('Origin: (%d, %d)', [X, Y]);
end;

procedure TForm1.FormMouseUp(Sender: TObject; Button: TMouseButton;
  Shift: TShiftState; X, Y: Integer);
begin
  if Drawing then
  begin
    DrawShape(Origin, Point(X, Y), pmCopy);
    Drawing := False;
  end;
end;

procedure TForm1.FormMouseMove(Sender: TObject; Shift: TShiftState; X,
  Y: Integer);
begin
  if Drawing then
  begin
    //  画图
    DrawShape(Origin, MovePt, pmNotXor);
    MovePt := Point(X, Y);              //  记录下当前点作为目标点
    DrawShape(Origin, MovePt, pmNotXor);
  end;
  StatusBar1.Panels[1].Text := Format('Current: (%d, %d)', [X, Y]);
end;

procedure TForm1.LineButtonClick(Sender: TObject);
begin
  DrawingTool := dtLine;
end;

procedure TForm1.RectangleButtonClick(Sender: TObject);
begin
  DrawingTool := dtRectangle;
end;

procedure TForm1.EllipseButtonClick(Sender: TObject);
begin
  DrawingTool := dtEllipse;
end;

procedure TForm1.RoundRectButtonClick(Sender: TObject);
begin
  DrawingTool := dtRoundRect;
end;

procedure TForm1.DrawShape(TopLeft, BottomRight: TPoint; AMode: TPenMode);
begin
  with Image.Canvas do
  begin
    Pen.Mode := AMode;
    case DrawingTool of
      dtLine:
        begin
          Image.Canvas.MoveTo(TopLeft.X, TopLeft.Y);
          Image.Canvas.LineTo(BottomRight.X, BottomRight.Y);
        end;
      dtRectangle: Image.Canvas.Rectangle(TopLeft.X, TopLeft.Y, BottomRight.X,
          BottomRight.Y);
      dtEllipse: Image.Canvas.Ellipse(TopLeft.X, TopLeft.Y, BottomRight.X,
          BottomRight.Y);
      dtRoundRect: Image.Canvas.RoundRect(TopLeft.X, TopLeft.Y, BottomRight.X,
          BottomRight.Y, (TopLeft.X - BottomRight.X) div 2,
          (TopLeft.Y - BottomRight.Y) div 2);
    end;
  end;
end;

procedure TForm1.PenButtonClick(Sender: TObject);
begin
  PenBar.Visible := PenButton.Down;
end;

procedure TForm1.BrushButtonClick(Sender: TObject);
begin
  BrushBar.Visible := BrushButton.Down;
end;

procedure TForm1.SetPenStyle(Sender: TObject);
begin
  with Image.Canvas.Pen do
  begin
    if Sender = SolidPen then
      Style := psSolid
    else
      if Sender = DashPen then
        Style := psDash
      else
        if Sender = DotPen then
          Style := psDot
        else
          if Sender = DashDotPen then
            Style := psDashDot
          else
            if Sender = DashDotDotPen then
              Style := psDashDotDot
            else
              if Sender = ClearPen then
                Style := psClear;
  end;
end;

procedure TForm1.miZoomOutClick(Sender: TObject);
begin
  with Image do
  begin
    AutoSize := False;
    Stretch := True;
    //  缩小
    Height := Round(Height / 1.2);
    Width := Round(Width / 1.2);
  end;
end;

procedure TForm1.miZoomInClick(Sender: TObject);
begin
  with Image do
  begin
    AutoSize := False;
    Stretch := True;
    //  放大
    Height := Round(Height * 1.2);
    Width := Round(Width * 1.2);
  end;
end;

procedure TForm1.PenSizeChange(Sender: TObject);
begin
  Image.Canvas.Pen.Width := PenWidth.Position;
end;

procedure TForm1.FormCreate(Sender: TObject);
var
  Bitmap            : TBitmap;
begin
  Bitmap := nil;                        //  先初始化为空
  try
    Bitmap := TBitmap.Create;
    Bitmap.Width := 1600;               //  两幅800*600
    Bitmap.Height := 600;
    Image.Picture.Graphic := Bitmap;
  finally
    Bitmap.Free;
  end;

end;

procedure TForm1.SetBrushStyle(Sender: TObject);
begin
  with Image.Canvas.Brush do
  begin
    if Sender = SolidBrush then
      Style := bsSolid
    else
      if Sender = ClearBrush then
        Style := bsClear
      else
        if Sender = HorizontalBrush then
          Style := bsHorizontal
        else
          if Sender = VerticalBrush then
            Style := bsVertical
          else
            if Sender = FDiagonalBrush then
              Style := bsFDiagonal
            else
              if Sender = BDiagonalBrush then
                Style := bsBDiagonal
              else
                if Sender = CrossBrush then
                  Style := bsCross
                else
                  if Sender = DiagCrossBrush then
                    Style := bsDiagCross;
  end;
end;

procedure TForm1.PenColorClick(Sender: TObject);
begin
  ColorDialog1.Color := Image.Canvas.Pen.Color;
  if ColorDialog1.Execute then
    Image.Canvas.Pen.Color := ColorDialog1.Color;
end;

procedure TForm1.BrushColorClick(Sender: TObject);
begin
  ColorDialog1.Color := Image.Canvas.Brush.Color;
  if ColorDialog1.Execute then
    Image.Canvas.Brush.Color := ColorDialog1.Color;
end;

procedure TForm1.Exit1Click(Sender: TObject);
begin
  Close;
end;

procedure TForm1.Open1Click(Sender: TObject);
begin
  if OpenDialog1.Execute then
  begin
    CurrentFile := OpenDialog1.FileName;
    SaveStyles;
    Image.Picture.LoadFromFile(CurrentFile);
    RestoreStyles;
  end;
end;

procedure TForm1.miOriginClick(Sender: TObject);
begin
  //  原始尺寸
  Image.AutoSize := True;
  Image.Stretch := False;
end;

procedure TForm1.Save1Click(Sender: TObject);
var
  MYJPEG            : TJPEGImage;
begin
  if CurrentFile <> EmptyStr then
    if Pos('.jps', CurrentFile) <> 0 then
    begin
      MYJPEG := TJPEGImage.Create;
      with MYJPEG do
      begin
        Assign(Image.Picture.Bitmap);
        SaveToFile(CurrentFile);        //  保存路径
        Free;
      end
    end
    else
      Image.Picture.SaveToFile(CurrentFile) //  具体执行保存过程
  else
    Saveas1Click(Sender);
end;

procedure TForm1.Saveas1Click(Sender: TObject);
begin
  if SaveDialog1.Execute then
  begin
    CurrentFile := SaveDialog1.FileName;
    Save1Click(Sender);
  end;
end;

procedure TForm1.New1Click(Sender: TObject);
var
  Bitmap            : TBitmap;
begin
  NewBMPForm := TNewBMPForm.Create(Self);

  with NewBMPForm do
  begin
    ActiveControl := WidthEdit;
    WidthEdit.Text := IntToStr(Image.Picture.Graphic.Width);
    HeightEdit.Text := IntToStr(Image.Picture.Graphic.Height);
    if ShowModal <> idCancel then
    begin
      Bitmap := nil;
      try
        Bitmap := TBitmap.Create;
        Bitmap.Width := StrToInt(WidthEdit.Text);
        Bitmap.Height := StrToInt(HeightEdit.Text);
        Bitmap.PixelFormat := pf24bit;  //  默认为24位的位图
        SaveStyles;
        Image.Picture.Graphic := Bitmap;
        RestoreStyles;
        CurrentFile := EmptyStr;
      finally
        Bitmap.Free;
      end;
    end;
  end;

  NewBMPForm.Free;
end;

procedure TForm1.Copy1Click(Sender: TObject);
begin
  Clipboard.Assign(Image.Picture);
end;

procedure TForm1.Cut1Click(Sender: TObject);
var
  ARect             : TRect;
begin
  Copy1Click(Sender);
  with Image.Canvas do
  begin
    CopyMode := cmWhiteness;
    ARect := Rect(0, 0, Image.Width, Image.Height);
    CopyRect(ARect, Image.Canvas, ARect);
    CopyMode := cmSrcCopy;
  end;
end;

procedure TForm1.Paste1Click(Sender: TObject);
var
  Bitmap            : TBitmap;
begin
  if Clipboard.HasFormat(CF_BITMAP) then
  begin
    Bitmap := TBitmap.Create;
    try
      Bitmap.Assign(Clipboard);
      Image.Canvas.Draw(0, 0, Bitmap);
    finally
      Bitmap.Free;
    end;
  end;
end;

procedure TForm1.SaveStyles;
begin
  with Image.Canvas do
  begin
    BrushStyle := Brush.Style;
    PenStyle := Pen.Style;
    PenWide := Pen.Width;
  end;
end;

procedure TForm1.RestoreStyles;
begin
  with Image.Canvas do