(* /*****************************************************************
  //                       Delphi-OpenCV Demo
  //               Copyright (C) 2013 Project Delphi-OpenCV
  // ****************************************************************
  // Contributor:
  // laentir Valetov
  // email:laex@bk.ru
  // ****************************************************************
  // You may retrieve the latest version of this file at the GitHub,
  // located at git://github.com/Laex/Delphi-OpenCV.git
  // ****************************************************************
  // The contents of this file are used with permission, subject to
  // the Mozilla Public License Version 1.1 (the "License"); you may
  // not use this file except in compliance with the License. You may
  // obtain a copy of the License at
  // http://www.mozilla.org/MPL/MPL-1_1Final.html
  //
  // Software distributed under the License is distributed on an
  // "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
  // implied. See the License for the specific language governing
  // rights and limitations under the License.
  ******************************************************************* *)
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_Canny;

{$APPTYPE CONSOLE}
{$R *.res}

uses
  System.SysUtils,
uLibName in '..\..\..\include\uLibName.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
core_c in '..\..\..\include\сore\core_c.pas',
Core.types_c in '..\..\..\include\сore\Core.types_c.pas',
imgproc.types_c in '..\..\..\include\imgproc\imgproc.types_c.pas',
imgproc_c in '..\..\..\include\imgproc\imgproc_c.pas',
legacy in '..\..\..\include\legacy\legacy.pas',
calib3d in '..\..\..\include\calib3d\calib3d.pas',
imgproc in '..\..\..\include\imgproc\imgproc.pas',
haar in '..\..\..\include\objdetect\haar.pas',
objdetect in '..\..\..\include\objdetect\objdetect.pas',
tracking in '..\..\..\include\video\tracking.pas',
Core in '..\..\..\include\сore\core.pas'
  ;

const
  filename = 'Resource\cat2.jpg';

Var
  image: pIplImage = nil;
  gray: pIplImage = nil;
  dst: pIplImage = nil;

begin
  try
    // получаем картинку
    image := cvLoadImage(filename);
    WriteLn(Format('[i] image: %s', [filename]));

    // создаём одноканальные картинки
    gray := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);
    dst := cvCreateImage(cvGetSize(image), IPL_DEPTH_8U, 1);

    // окно для отображения картинки
    cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
    cvNamedWindow('gray', CV_WINDOW_AUTOSIZE);
    cvNamedWindow('cvCanny', CV_WINDOW_AUTOSIZE);

    // преобразуем в градации серого
    cvCvtColor(image, gray, CV_RGB2GRAY);

    // получаем границы
    cvCanny(gray, dst, 10, 100, 3);

    // показываем картинки
    cvShowImage('original', image);
    cvShowImage('gray', gray);
    cvShowImage('cvCanny', dst);

    // ждём нажатия клавиши
    cvWaitKey(0);

    // освобождаем ресурсы
    cvReleaseImage(image);
    cvReleaseImage(gray);
    cvReleaseImage(dst);
    // удаляем окна
    cvDestroyAllWindows();
  except
    on E: Exception do
      WriteLn(E.ClassName, ': ', E.Message);
  end;

end.