unit MainForm;

interface

uses
  Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
  Dialogs, StdCtrls, OpenCV, IPL;

type
  TFrmMain = class(TForm)
    Button1: TButton;
    Button2: TButton;
    procedure Button1Click(Sender: TObject);
    procedure Button2Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  FrmMain: TFrmMain;
  box: CVRect;
implementation

{$R *.dfm}

procedure MouseCallback(event, x, y, flags: Integer; param: Pointer); cdecl;
var
  image: PIplImage;
begin
  image := PIplImage(param);
  case event of
    CV_EVENT_MOUSEMOVE:
      ShowMessage('d');
  end;
end;

procedure SwitchCallback(pos: Integer);
begin
  pos := cvGetTrackbarPos('Switch', 'Example1');
  ShowMessage(IntToStr(pos));
end;

procedure TFrmMain.Button1Click(Sender: TObject);
var
  img: PIplImage;
  smt: PIplImage;
  iot: PIplImage;
  i: Integer;
  threshold_type: Integer;
  adaptive_method: Integer;
  block_size: Integer;
  offset: Double;
  value: PInteger;
  sz: TSize;
  pnt: CvPoint;
  vl: CvScalar;
  storage: PCvMemStorage;
  res: PCvSeq;
  //銳化
  knl: PCvMat;
  pdata: array[0..9] of float;
  p: PFloat;
//adaptThresh 15 1 1 71 15 ../Data/cal3-L.bmp
begin
  threshold_type := CV_THRESH_BINARY;
  adaptive_method := CV_ADAPTIVE_THRESH_MEAN_C;

  block_size := 71;
  offset := 30;
  img := cvLoadImage(PChar(ExtractFilePath(ParamStr(0)) + '2.jpg'), CV_LOAD_IMAGE_GRAYSCALE);
  smt := cvCloneImage(img);
  iot := cvCloneImage(smt);
  //cvSmooth(img, smt, CV_GAUSSIAN, 5, 5);
  cvCanny(img, smt, 30, 60);
//  storage := cvCreateMemStorage(0);
//  res := cvHoughCircles(smt, storage, CV_HOUGH_GRADIENT, 1, 100, 150, 55, 0, 0);
//  for i := 0 to res^.total - 1 do
//  begin
//    p := PFloat(cvGetSeqElem(res, i));
//    pnt := cvPoint_(cvRound(p^), cvRound(p^));
//    Inc(p);
//    pnt.y := cvRound(p^);
//    Inc(p);
//    cvCircle(smt, pnt, cvRound(p^), CV_RGB($33, $55, $77));
//  end;

  cvNamedWindow('Example1', CV_WINDOW_AUTOSIZE);
  cvNamedWindow('Example2', CV_WINDOW_AUTOSIZE);
  //cvSetMouseCallback('Example1', MouseCallback, smt);
  //cvCreateTrackbar('Switch', 'Example1', value, 1, SwitchCallback);
  cvShowImage('Example1', img);
  cvShowImage('Example2', smt);
  cvWaitKey(0);
  cvReleaseImage(img);
  cvReleaseImage(smt);
  cvDestroyWindow('Example1');
  cvDestroyWindow('Example2');
end;

procedure TFrmMain.Button2Click(Sender: TObject);
var
  Igray, It, Iat: PIplImage;
  threshold: Double;
  threshold_type: Integer;
  adaptive_method: Integer;
  block_size: Integer;
  offset: Double;

  sz: TSize;
//adaptThresh 15 1 1 71 15 ../Data/cal3-L.bmp
begin
  threshold := 82;
  threshold_type := CV_THRESH_BINARY;
  adaptive_method := CV_ADAPTIVE_THRESH_MEAN_C;

  block_size := 71;
  offset := 25;

  Igray := cvLoadImage(PChar(ExtractFilePath(ParamStr(0)) + '01.jpg'), CV_LOAD_IMAGE_GRAYSCALE);
  if not Assigned(Igray) then
    Exit;

  It := cvCreateImage(cvSize_(Igray.Width, Igray.Height), IPL_DEPTH_8U, 1);
  Iat := cvCreateImage(cvSize_(Igray.Width, Igray.Height), IPL_DEPTH_8U, 1);
  //Threshold
  cvThreshold(Igray, It, threshold, 255, threshold_type);

  cvAdaptiveThreshold(Igray, Iat, 255, adaptive_method, threshold_type, block_size, offset);
  cvSaveImage('c:\1.bmp', Iat);
  cvNamedWindow('Raw', 1);
  cvNamedWindow('Threshold', 1);
  cvNamedWindow('Adaptive Threshold', 1);

  cvShowImage('Raw', Igray);
  cvShowImage('Threshold', It);
  cvShowImage('Adaptive Threshold', Iat);

  cvWaitKey(0);

  cvReleaseImage(Igray);
  cvReleaseImage(It);
  cvReleaseImage(Iat);

  cvDestroyWindow('Raw');
  cvDestroyWindow('Threshhold');
  cvDestroyWindow('Adaptive Threshold');
end;

end