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https://github.com/Laex/Delphi-OpenCV.git
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99 lines
2.5 KiB
ObjectPascal
99 lines
2.5 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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// Source: http://answers.ocv.org/question/20484/get-the-color-percentage/
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//
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// Get the color percentage of RGB(ex red 50%, green 25% and blue %25) in an image
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//
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// *******************************************************************
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program cv_Sum;
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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 + 'cat2.jpg';
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var
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img : pIplImage;
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channels: array [0 .. 2] of pIplImage;
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BGRSum : Array [0 .. 2] of TCvScalar;
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i, total: Integer;
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begin
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try
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img := cvLoadImage(
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filename,
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1);
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for i := 0 to 2 do
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channels[i] := cvCreateImage(
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cvGetSize(img),
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8,
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1);
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cvSplit(
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img,
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channels[0],
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channels[1],
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channels[2],
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0);
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for i := 0 to 2 do
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BGRSum[i] := cvSum(channels[i]);
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total := img^.width * img^.height * 255;
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WriteLn('Color percentage of RGB(ex red 50%, green 25% and blue %25) in an image is');
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writeln(
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'red: ',
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BGRSum[2].val[0] / total * 100:2:2);
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writeln(
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'green: ',
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BGRSum[1].val[0] / total * 100:2:2);
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writeln(
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'blue: ',
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BGRSum[0].val[0] / total * 100:2:2);
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readln;
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except
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on E: Exception do
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writeln(
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E.ClassName,
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': ',
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E.Message);
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end;
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end.
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