Delphi-OpenCV/samples/LibTest/cvSnakeImage/cv_SnakeImage.dpr

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{$APPTYPE CONSOLE}
{$POINTERMATH ON}
// JCL_DEBUG_EXPERT_GENERATEJDBG OFF
// JCL_DEBUG_EXPERT_INSERTJDBG OFF
// JCL_DEBUG_EXPERT_DELETEMAPFILE OFF
program cv_SnakeImage;
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';
const
w = 500;
filename = 'resource\cat2.jpg';
var
imgA, imgB, imgAA: pIplImage;
storage: pCvMemStorage;
contour: pCvPointArray;
Approx_contours: PcvSeq;
contour_num: integer;
i1, i2, i, j, length, f1: integer;
point: pInteger;
c_alpha: single = 0.45;
c_beta: single = 0.10;
c_gamma: single = 0.45;
contours: pCvPoint;
begin
try
cvNamedWindow('image', 1);
imgA := cvLoadImage(filename, CV_LOAD_IMAGE_UNCHANGED);
imgAA := cvCreateImage(cvSize(imgA^.width, imgA^.Height), imgA^.depth, imgA^.nChannels);
// Smooth or Copy
// cvSmooth(imgA, imgAA, CV_GAUSSIAN, 7, 0, 0);
cvCopy(imgA, imgAA);
imgB := cvCreateImage(cvSize(imgA^.width, imgA^.Height), IPL_DEPTH_8U, 1);
cvCvtColor(imgAA, imgB, CV_BGR2GRAY);
length := 200;
contour := AllocMem(sizeof(TCvPoint) * length);
for i := 0 to length - 1 do
begin
contour[i].x := round(200 * cos(2 * PI * i / length) + 100);
contour[i].y := round(200 * sin(2 * PI * i / length) + 100);
end;
while true do
begin
cvSnakeImage(imgB, contour, length, @c_alpha, @c_beta, @c_gamma, CV_VALUE, cvSize(21, 21),
cvTermCriteria(CV_TERMCRIT_ITER, 1, 0.0), 1);
cvCopy(imgAA, imgA);
for i := 0 to length - 2 do
cvLine(imgA, contour[i], contour[i + 1], CV_RGB(255, 0, 0), 2, 8, 0);
cvLine(imgA, contour[length - 1], contour[0], CV_RGB(255, 0, 0), 2, 8, 0);
cvShowImage('image', imgA);
if cvWaitKey(200) = 27 then
Break;
end;
cvReleaseImage(imgA);
cvReleaseImage(imgB);
cvDestroyAllWindows;
except
on E: Exception do
Writeln(E.ClassName, ': ', E.Message);
end;
end.