Delphi-OpenCV/samples/FPC/cvAddWeighted/cv_AddWeighted.lpr

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(*
*****************************************************************
Delphi-OpenCV Demo
Copyright (C) 2013 Project Delphi-OpenCV
****************************************************************
Contributor:
Laentir Valetov
email:laex@bk.ru
****************************************************************
You may retrieve the latest version of this file at the GitHub,
located at git://github.com/Laex/Delphi-OpenCV.git
****************************************************************
The contents of this file are used with permission, subject to
the Mozilla Public License Version 1.1 (the "License"); you may
not use this file except in compliance with the License. You may
obtain a copy of the License at
http://www.mozilla.org/MPL/MPL-1_1Final.html
Software distributed under the License is distributed on an
"AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
implied. See the License for the specific language governing
rights and limitations under the License.
*******************************************************************
*)
program cv_AddWeighted;
{$MODE Delphi}
{$APPTYPE CONSOLE}
{$R *.res}
uses
SysUtils,
ocv.highgui_c,
ocv.core_c,
ocv.core.types_c,
ocv.imgproc_c,
uResourcePaths;
Const
filename_src1 = cResourceMedia + 'cat2-mirror.jpg';
filename_src2 = cResourceMedia + 'cat2.jpg';
Var
alpha: Double = 0.5;
beta, input: Double;
src1, src2, dst: pIplImage;
begin
try
src1 := cvLoadImage(filename_src1);
src2 := cvLoadImage(filename_src2);
cvNamedWindow('Linear Blend', CV_WINDOW_AUTOSIZE);
beta := (1.0 - alpha);
dst := cvCloneImage(src1);
cvAddWeighted(src1, alpha, src2, beta, 0, dst);
cvShowImage('Linear Blend', dst);
cvwaitKey(0);
cvReleaseImage(src1);
cvReleaseImage(src2);
cvReleaseImage(dst);
cvDestroyAllWindows;
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.