Delphi-OpenCV/samples/LibTest/cvCreateCameraCapture/cv_CreateCameraCapture.dpr

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// 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,
uLibName in '..\..\..\include\uLibName.pas',
highgui_c in '..\..\..\include\highgui\highgui_c.pas',
core_c in '..\..\..\include\<5C>ore\core_c.pas',
Core.types_c in '..\..\..\include\<5C>ore\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\<5C>ore\core.pas'
;
Var
capture: PCvCapture;
width: Double;
height: Double;
frame: PIplImage;
counter: Integer;
filename: pCVChar;
c: Integer;
begin
try
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
capture := cvCreateCameraCapture(CV_CAP_ANY);
if not Assigned(capture) then
Halt;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD>
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
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>
frame := cvQueryFrame(capture);
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvShowImage('capture', frame);
c := cvWaitKey(33);
if (c = 27) then
Break
else if (c = 13) then
begin
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD>
filename := PCVChar(AnsiString(Format('Image %d.jpg'#0, [counter])));
WriteLn('[i] capture - ', filename);
cvSaveImage(filename, frame);
Inc(counter);
end;
end;
// <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
cvReleaseCapture(capture);
cvDestroyWindow('capture');
except
on E: Exception do
WriteLn(E.ClassName, ': ', E.Message);
end;
end.