Delphi-OpenCV/samples/LibTest/cvSetMouseCallback/cv_SetMouseCallback.dpr
Laex cf19dc0b3b Fixed issues #3
Signed-off-by: Laex <laex@bk.ru>
2013-04-18 10:34:16 +04:00

109 lines
3.6 KiB
ObjectPascal
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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.
******************************************************************* *)
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_SetMouseCallback;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
uLibName in '..\..\..\include\uLibName.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
core_c in '..\..\..\include\core\core_c.pas',
Core.types_c in '..\..\..\include\core\Core.types_c.pas',
imgproc.types_c in '..\..\..\include\imgproc\imgproc.types_c.pas',
imgproc_c in '..\..\..\include\imgproc\imgproc_c.pas',
legacy in '..\..\..\include\legacy\legacy.pas',
calib3d in '..\..\..\include\calib3d\calib3d.pas',
imgproc in '..\..\..\include\imgproc\imgproc.pas',
haar in '..\..\..\include\objdetect\haar.pas',
objdetect in '..\..\..\include\objdetect\objdetect.pas',
tracking in '..\..\..\include\video\tracking.pas',
Core in '..\..\..\include\core\core.pas';
Const
// <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
filename = 'Resource\opencv_logo_with_text.png';
Var
image: PIplImage = nil;
c: Integer;
// <20><>c<EFBFBD><63><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
procedure drawTarget(img: PIplImage; x, y, radius: Integer); cdecl;
begin
cvCircle(img, cvPoint(x, y), radius, CV_RGB(250, 0, 0), 1, 8);
cvLine(img, cvPoint(x - radius div 2, y - radius div 2), cvPoint(x + radius div 2, y + radius div 2),
CV_RGB(250, 0, 0), 1, 8);
cvLine(img, cvPoint(x - radius div 2, y + radius div 2), cvPoint(x + radius div 2, y - radius div 2),
CV_RGB(250, 0, 0), 1, 8);
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> c<><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD>
procedure myMouseCallback(event: Integer; x: Integer; y: Integer; flags: Integer; param: Pointer); cdecl;
Var
img: PIplImage;
begin
img := PIplImage(param);
if event = CV_EVENT_LBUTTONDOWN then
begin
Writeln(Format('%d x %d', [x, y]));
drawTarget(img, x, y, 10);
end;
end;
begin
try
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
image := cvLoadImage(filename, 1);
Writeln('[i] image: ', filename);
if not Assigned(image) then
Halt;
// <20><><EFBFBD><EFBFBD> <20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
cvSetMouseCallback('original', myMouseCallback, image);
while True do
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvShowImage('original', image);
c := cvWaitKey(33);
if (c = 27) then
break;
end;
// <20>c<EFBFBD><63><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>c<EFBFBD><63>c<EFBFBD>
cvReleaseImage(image);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
cvDestroyWindow('original');
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.