mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-15 15:55:53 +01:00
100 lines
2.3 KiB
ObjectPascal
100 lines
2.3 KiB
ObjectPascal
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program cvErode_cvDilate;
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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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// èìÿ êàðòèíêè
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filename = cResourceMedia + 'opencv_logo_with_text.png';
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var
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image: PIplImage = Nil;
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dst: PIplImage = Nil;
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erode: PIplImage = Nil;
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dilate: PIplImage = Nil;
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radius: Integer = 1;
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radius_max: Integer = 10;
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iterations: Integer = 1;
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iterations_max: Integer = 10;
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Kern: pIplConvKernel;
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c: Integer;
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//
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ðàäèóc ÿäðà
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procedure myTrackbarRadius(pos: Integer); cdecl;
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begin
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radius := pos;
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end;
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//
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// ôóíêöèÿ-îáðàáîò÷èê ïîëçóíêà -
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// ÷ècëî èòåðàöèé
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procedure myTrackbarIterations(pos: Integer); cdecl;
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begin
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iterations := pos;
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end;
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begin
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try
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image := cvLoadImage(filename, 1);
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Writeln('[i] image: ', filename);
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if not Assigned(image) then
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Halt;
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// êëîíèðóåì êàðòèíêó
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dst := cvCloneImage(image);
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erode := cvCloneImage(image);
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dilate := cvCloneImage(image);
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// îêíî äëÿ îòîáðàæåíèÿ êàðòèíêè
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cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('erode', CV_WINDOW_AUTOSIZE);
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cvNamedWindow('dilate', CV_WINDOW_AUTOSIZE);
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cvCreateTrackbar('Radius', 'original', @radius, radius_max, myTrackbarRadius);
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cvCreateTrackbar('Iterations', 'original', @iterations, iterations_max, myTrackbarIterations);
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while True do
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begin
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// ïîêàçûâàåì êàðòèíêó
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cvShowImage('original', image);
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// cîçäà¸ì ÿäðî
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Kern := cvCreateStructuringElementEx(radius * 2 + 1, radius * 2 + 1, radius, radius, CV_SHAPE_ELLIPSE);
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// âûïîëíÿåì ïðåîáðàçîâàíèÿ
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cvErode(image, erode, Kern, iterations);
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cvDilate(image, dilate, Kern, iterations);
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// ïîêàçûâàåì ðåçóëüòàò
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cvShowImage('erode', erode);
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cvShowImage('dilate', dilate);
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cvReleaseStructuringElement(Kern);
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c := cvWaitKey(33);
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if (c = 27) then
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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(erode);
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cvReleaseImage(dilate);
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// óäàëÿåì îêíî
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cvDestroyWindow('original');
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cvDestroyWindow('erode');
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cvDestroyWindow('dilate');
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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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