Delphi-OpenCV/samples/LibTest/cvCreateCameraCapture/cv_CreateCameraCapture.dpr
Laex ba000c1405 Add samples
LibTest
[+] cv_CalcOpticalFlowPyrLK
[+] cv_SnakeImage
MultiDemo
[+] CameraShift
[+] Squares

Signed-off-by: Laex <laex@bk.ru>
2013-04-05 15:36:47 +04:00

66 lines
1.6 KiB
ObjectPascal

// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_CreateCameraCapture;
{$APPTYPE CONSOLE}
{$R *.res}
uses
System.SysUtils,
{$I ..\..\uses_include.inc}
;
Var
capture: PCvCapture;
width: Double;
height: Double;
frame: PIplImage;
counter: Integer;
filename: pCVChar;
c: Integer;
begin
try
// ïîëó÷àåì ëþáóþ ïîäêëþ÷¸ííóþ êàìåðó
capture := cvCreateCameraCapture(CV_CAP_ANY);
if not Assigned(capture) then
Halt;
// óçíàåì øèðèíó è âûñîòó êàäðà
width := cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_WIDTH);
height := cvGetCaptureProperty(capture, CV_CAP_PROP_FRAME_HEIGHT);
WriteLn(Format('[i] %.0f x %.0f', [width, height]));
frame := Nil;
cvNamedWindow('capture', CV_WINDOW_AUTOSIZE);
WriteLn('[i] press Enter for capture image and Esc for quit!');
counter := 0;
filename := AllocMem(512);
while true do
begin
// ïîëó÷àåì êàäð
frame := cvQueryFrame(capture);
// ïîêàçûâàåì
cvShowImage('capture', frame);
c := cvWaitKey(33);
if (c = 27) then
Break
else if (c = 13) then
begin
// ñîõðàíÿåì êàäð â ôàéë
filename := PCVChar(AnsiString(Format('Image %d.jpg'#0, [counter])));
WriteLn('[i] capture - ', filename);
cvSaveImage(filename, frame);
Inc(counter);
end;
end;
// îñâîáîæäàåì ðåñóðñû
cvReleaseCapture(capture);
cvDestroyWindow('capture');
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.