Delphi-OpenCV/samples/LibDemo/cvFloodFill/cv_FloodFill.dpr
Laentir Valetov 4535bd63ca OpenCV 2.9.11
Signed-off-by: Laentir Valetov <laex@bk.ru>
2015-04-02 22:43:36 +03:00

108 lines
2.9 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.
*******************************************************************
*)
program cv_FloodFill;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
ocv.highgui_c,
ocv.core_c,
ocv.core.types_c,
ocv.imgproc_c,
ocv.imgproc.types_c,
uResourcePaths;
// çàëèâêà îáëccòè êàðòèíêè öâåòîì
procedure fill(src: pIplImage; seed: TCvPoint; color: TCvScalar); // = CV_RGB(255, 0, 0)
var
comp: TCvConnectedComp;
begin
cvFloodFill(src, seed, color, cvScalarAll(10), // ìèíèìàëüíàÿ ðàçíîcòü
cvScalarAll(10), // ìàêcèìàëüíàÿ ðàçíîcòü
@comp, CV_FLOODFILL_FIXED_RANGE + 8, 0);
// ïîêàæåì ïëîùàäü çàëèâêè
WriteLn(Format('[filled area]%.2f', [comp.area]));
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);
case event of
CV_EVENT_MOUSEMOVE:
;
CV_EVENT_LBUTTONDOWN:
begin
WriteLn(Format('%dx%d', [x, y]));
// âûçûâàåì íàøó ôóíêöèþ-îá¸ðòêó âîêðóã cvFloodFill()
fill(img, CvPoint(x, y), CV_RGB(255, 0, 0));
end;
CV_EVENT_LBUTTONUP:
;
end;
end;
Const
filename = cResourceMedia + 'cat2.jpg';
Var
src: pIplImage = nil;
dst: pIplImage = nil;
c: Integer;
begin
try
// ïîëó÷àåì êàðòèíêó
src := cvLoadImage(filename);
WriteLn(Format('[i] image: %s', [filename]));
// ïîêàæåì èçîáðàæåíèå
cvNamedWindow('original', 1);
// âåøàåì îáðàáîò÷èê ìûøêè
cvSetMouseCallback('original', myMouseCallback, src);
while true do
begin
// ïîêàçûâàåì êàðòèíêó
cvShowImage('original', src);
c := cvWaitKey(33);
if (c = 27) then // åcëè íàæàòà ESC - âûõîäèì
break;
end;
// îcâîáîæäàåì ðåcóðcû
cvReleaseImage(src);
cvReleaseImage(dst);
// óäàëÿåì îêíà
cvDestroyAllWindows;
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.