mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-15 15:55:53 +01:00
126 lines
3.4 KiB
ObjectPascal
126 lines
3.4 KiB
ObjectPascal
//*****************************************************************
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// Delphi-OpenCV Demo
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// Copyright (C) 2013 Project Delphi-OpenCV
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// ****************************************************************
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// Contributor:
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// Laentir Valetov
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// email:laex@bk.ru
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// ****************************************************************
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// You may retrieve the latest version of this file at the GitHub,
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// located at git://github.com/Laex/Delphi-OpenCV.git
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// ****************************************************************
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// The contents of this file are used with permission, subject to
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// the Mozilla Public License Version 1.1 (the "License"); you may
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// not use this file except in compliance with the License. You may
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// obtain a copy of the License at
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// http://www.mozilla.org/MPL/MPL-1_1Final.html
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//
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// Software distributed under the License is distributed on an
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// "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// rights and limitations under the License.
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//*******************************************************************
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program cv_Sobel;
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{$APPTYPE CONSOLE}
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{$R *.res}
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uses
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System.SysUtils,
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ocv.highgui_c,
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ocv.core_c,
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ocv.core.types_c,
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ocv.imgproc_c,
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ocv.imgproc.types_c,
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uResourcePaths;
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const
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filename = cResourceMedia + 'cat2.jpg';
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var
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xorder: Integer = 1;
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xorder_max: Integer = 2;
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yorder: Integer = 1;
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yorder_max: Integer = 2;
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ïîðÿäîê ïðîèçâîäíîé ïî X
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procedure myTrackbarXorder(pos: Integer); cdecl;
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begin
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xorder := pos;
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end;
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//
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ïîðÿäîê ïðîèçâîäíîé ïî Y
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procedure myTrackbarYorder(pos: Integer); cdecl;
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begin
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yorder := pos;
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end;
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Var
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image: pIplImage = nil;
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dst: pIplImage = nil;
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dst2: pIplImage = nil;
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aperture: Integer = 3;
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c: Integer;
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begin
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try
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// ïîëó÷àåì êàðòèíêó
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image := cvLoadImage(filename);
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WriteLn(Format('[i] image: %s', [filename]));
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// cîçäà¸ì êàðòèíêè
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dst := cvCreateImage(cvSize(image^.width, image^.height), IPL_DEPTH_16S, image^.nChannels);
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dst2 := cvCreateImage(cvSize(image^.width, image^.height), image^.depth, image^.nChannels);
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// îêíî äëÿ îòîáðàæåíèÿ êàðòèíêè
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cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('sobel', CV_WINDOW_AUTOSIZE);
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cvCreateTrackbar('xorder', 'original', @xorder, xorder_max, myTrackbarXorder);
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cvCreateTrackbar('yorder', 'original', @yorder, yorder_max, myTrackbarYorder);
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while True do
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begin
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// ïðîâåðÿåì, ÷òîáû ïîðÿäîê ïðîèçâîäíûõ ïî X è Y áûë îòëè÷åí îò 0
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if (xorder = 0) and (yorder = 0) then
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begin
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WriteLn('[i] Error: bad params for cvSobel() !');
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cvZero(dst2);
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end
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else
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begin
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// ïðèìåíÿåì îïåðàòîð cîáåëÿ
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cvSobel(image, dst, xorder, yorder, aperture);
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// ïðåîáðàçóåì èçîáðàæåíèå ê 8-áèòíîìó
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cvConvertScale(dst, dst2);
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end;
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// ïîêàçûâàåì êàðòèíêó
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cvShowImage('original', image);
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cvShowImage('sobel', dst2);
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c := cvWaitKey(33);
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if (c = 27) then
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// åcëè íàæàòà ESC - âûõîäèì
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break;
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end;
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// îcâîáîæäàåì ðåcóðcû
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cvReleaseImage(image);
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cvReleaseImage(dst);
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cvReleaseImage(dst2);
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// óäàëÿåì îêíà
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cvDestroyAllWindows;
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except
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on E: Exception do
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WriteLn(E.ClassName, ': ', E.Message);
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end;
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end.
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