mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-18 01:05:53 +01:00
133 lines
3.8 KiB
ObjectPascal
133 lines
3.8 KiB
ObjectPascal
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//*****************************************************************
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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_Save;
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{$APPTYPE CONSOLE}
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{$POINTERMATH ON}
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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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kernet_filename = cResourceResult + 'kernel.xml';
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var
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kernel: array [0 .. 8] of Single;
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kernel_matrix: TCvMat;
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i: Integer;
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j: Integer;
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matrix: pCvMat;
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ptr: pSingle;
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fs: pCvFileStorage;
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frame_count: Integer;
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s: pCvSeq;
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frame_width: Integer;
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frame_height: Integer;
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color_cvt_matrix: pCvMat;
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begin
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try
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// ìcccèâ, cîäåðæàùèé äàííûå ìàòðèöû
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kernel[0] := 1;
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kernel[1] := 0;
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kernel[2] := 0;
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kernel[3] := 0;
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kernel[4] := 2;
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kernel[5] := 0;
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kernel[6] := 0;
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kernel[7] := 0;
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kernel[8] := 3;
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// cîçäà¸ì ìàòðèöó
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kernel_matrix := cvMat(3, 3, CV_32FC1, @kernel);
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// cîõðàíÿåì ìàòðèöó â XML-ôàéë
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cvSave(kernet_filename, @kernel_matrix);
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// à òåïåðü çàãðóçèì äàííûå èç XML-ôàéëà
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matrix := pCvMat(cvLoad(kernet_filename));
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// ïîêàæåì cîäåðæèìîå ìàòðèöû
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// 1 âàðèàíò: c ècïîëüçîâàíèåì ìàêðîcà CV_MAT_ELEM
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for i := 0 to matrix^.rows - 1 do
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begin
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for j := 0 to matrix^.cols - 1 do
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Write(Format('%.0f ', [pSingle(CV_MAT_ELEM(matrix^, SizeOf(single), i, j))^]));
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Writeln;
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end;
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Writeln;
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// 2 âàðèàíò: c ècïîëüçîâàíèåì cvGet2D()
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// cvGetReal2D() äëÿ CV_64FC1
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for i := 0 to matrix^.rows - 1 do
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begin
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for j := 0 to matrix^.cols - 1 do
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Write(Format('%.0f ', [cvGet2D(matrix, i, j).val[0]]));
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Writeln;
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end;
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Writeln('-----');
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// 3 âàðèàíò: ïðÿìîé äîcòóï ê ýëåìåíòàì
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for i := 0 to matrix^.rows - 1 do
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begin
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ptr := pSingle((Integer(matrix^.data) + i * matrix^.step));
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for j := 0 to matrix^.cols - 1 do
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Write(Format('%.0f ', [ptr[j]]));
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Writeln;
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end;
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Writeln('-----');
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// îcâîáîæäàåì ðåcóðcû
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cvReleaseMat(matrix);
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// ×òåíèå XML
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Writeln('Example 3_19 Reading in cfg.xml');
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// îòêðûâàåì ôàéë äëÿ ÷òåíèÿ
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fs := cvOpenFileStorage(cResourceMedia + 'cfg.xml', 0, CV_STORAGE_READ);
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// c÷èòûâàåì çíà÷åíèÿ
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frame_count := cvReadIntByName(fs, 0, 'frame_count', 5 { çíà÷åíèå ïî-óìîë÷àíèþ } );
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s := cvGetFileNodeByName(fs, 0, 'frame_size')^.seq;
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frame_width := cvReadInt(pCvFileNode(cvGetSeqElem(s, 0)));
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frame_height := cvReadInt(pCvFileNode(cvGetSeqElem(s, 1)));
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color_cvt_matrix := pCvMat(cvRead(fs, 0));
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// ïîêàçûâàåì
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WriteLn(Format('frame_count=%d, frame_width=%d, frame_height=%d',[frame_count,frame_width,frame_height]));
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cvReleaseFileStorage(fs);
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Writeln('Press <Enter>');
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Readln;
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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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