mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-18 01:05:53 +01:00
98 lines
2.8 KiB
ObjectPascal
98 lines
2.8 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_WarpAffine;
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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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src: pIplImage = nil;
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dst: pIplImage = nil;
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rot_mat: pCvMat = nil;
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scale: double;
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temp: pIplImage = nil;
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center: TcvPoint2D32f;
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begin
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try
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// Ïîëó÷àåì êàðòèíêó (öâåòíóþ)
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src := cvLoadImage(filename, CV_LOAD_IMAGE_COLOR);
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WriteLn(Format('[i] image: %s', [filename]));
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// Âûâîäèì îðèãèíàë
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cvNamedWindow('Original', CV_WINDOW_AUTOSIZE);
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cvShowImage('Original', src);
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// Ïîâîðà÷èâàåì
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// Ìàòðèöà òðàícôîðìàöèè
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rot_mat := cvCreateMat(2, 3, CV_32FC1);
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// Âðàùåíèå îòíîcèòåëüíî öåíòðà èçîáðàæåíèÿ
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center.x := src^.width div 2;
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center.y := src^.height div 2;
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scale := 1;
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cv2DRotationMatrix(center, 60, scale, rot_mat);
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// cîçäàåì èçîáðàæåíèå
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temp := cvCreateImage(cvSize(src^.width, src^.height), src^.depth, src^.nChannels);
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// Âûïîëíÿåì âðàùåíèå
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cvWarpAffine(src, temp, rot_mat, CV_INTER_LINEAR or CV_WARP_FILL_OUTLIERS, cvScalarAll(0));
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// Êîïèðóåì èçîáðàæåíèå
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cvCopy(temp, src);
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// Îcâîáîæäàåì ðåcóðcû
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cvReleaseImage(temp);
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cvReleaseMat(rot_mat);
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// Ïîêàçûâàåì ÷òî ïîëó÷èëîcü
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cvNamedWindow('cvWarpAffine', CV_LOAD_IMAGE_GRAYSCALE);
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cvShowImage('cvWarpAffine', src);
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// Æä¸ì íàæàòèÿ êëàâèøè
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cvWaitKey(0);
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// Îcâîáîæäàåì ðåcóðcû
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cvReleaseImage(src);
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cvReleaseImage(dst);
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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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