mirror of
https://github.com/Laex/Delphi-OpenCV.git
synced 2024-11-16 08:15:52 +01:00
102 lines
3.0 KiB
ObjectPascal
102 lines
3.0 KiB
ObjectPascal
(* /*****************************************************************
|
|
// 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,
|
|
highgui_c,
|
|
core_c,
|
|
Core.types_c,
|
|
imgproc_c,
|
|
imgproc.types_c,
|
|
uResourcePaths;
|
|
|
|
const
|
|
// èìÿ êàðòèíêè
|
|
filename = cResourceMedia + 'opencv_logo_with_text.png';
|
|
|
|
var
|
|
image: PIplImage = nil;
|
|
c: Integer;
|
|
|
|
// ðècóåì öåëåóêàçàòåëü
|
|
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;
|
|
|
|
// îáðàáîò÷èê cîáûòèé îò ìûøêè
|
|
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
|
|
// ïîëó÷àåì êàðòèíêó
|
|
image := cvLoadImage(filename, 1);
|
|
Writeln('[i] image: ', filename);
|
|
if not Assigned(image) then
|
|
Halt;
|
|
// îêíî äëÿ îòîáðàæåíèÿ êàðòèíêè
|
|
cvNamedWindow('original', CV_WINDOW_AUTOSIZE);
|
|
// âåøàåì îáðàáîò÷èê ìûøêè
|
|
cvSetMouseCallback('original', myMouseCallback, image);
|
|
|
|
while True do
|
|
begin
|
|
// ïîêàçûâàåì êàðòèíêó
|
|
cvShowImage('original', image);
|
|
c := cvWaitKey(33);
|
|
if (c = 27) then
|
|
break;
|
|
end;
|
|
|
|
// îcâîáîæäàåì ðåcóðcû
|
|
cvReleaseImage(image);
|
|
// óäàëÿåì îêíî
|
|
cvDestroyWindow('original');
|
|
except
|
|
on E: Exception do
|
|
Writeln(E.ClassName, ': ', E.Message);
|
|
end;
|
|
|
|
end.
|