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Update samples using cmd parser

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This commit is contained in:
itsyplen 2011-08-11 06:46:09 +00:00
parent 1863f58a67
commit bc64567d37
4 changed files with 73 additions and 55 deletions
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28
samples/cpp/dft.cpp
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@ -2,31 +2,37 @@
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <iostream>
#include <stdio.h>
using namespace cv;
using namespace std;
void help()
{
cout << "\nThis program demonstrated the use of the discrete Fourier transform (dft)\n"
"The dft of an image is taken and it's power spectrum is displayed.\n"
"Call:\n"
"./dft [image_name -- default lena.jpg]\n" << endl;
printf("\nThis program demonstrated the use of the discrete Fourier transform (dft)\n"
"The dft of an image is taken and it's power spectrum is displayed.\n"
"Usage:\n"
"./dft [image_name -- default lena.jpg]\n");
}
int main(int argc, char ** argv)
const char* keys =
{
const char* filename = argc >=2 ? argv[1] : "lena.jpg";
"{1| |lena.jpg|input image file}"
};
Mat img = imread(filename, CV_LOAD_IMAGE_GRAYSCALE);
int main(int argc, const char ** argv)
{
help();
CommandLineParser parser(argc, argv, keys);
string filename = parser.get<string>("1");
Mat img = imread(filename.c_str(), CV_LOAD_IMAGE_GRAYSCALE);
if( img.empty() )
{
help();
printf("Cannot read image file: %s\n", filename.c_str());
return -1;
}
help();
int M = getOptimalDFTSize( img.rows );
int N = getOptimalDFTSize( img.cols );
Mat padded;

52
samples/cpp/distrans.cpp
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@ -5,24 +5,6 @@
using namespace cv;
void help()
{
printf("\nProgram to demonstrate the use of the distance transform function between edge images.\n"
"Usage:\n"
"./distrans [image_name -- default image is stuff.jpg]\n"
);
printf( "\nHot keys: \n"
"\tESC - quit the program\n"
"\tC - use C/Inf metric\n"
"\tL1 - use L1 metric\n"
"\tL2 - use L2 metric\n"
"\t3 - use 3x3 mask\n"
"\t5 - use 5x5 mask\n"
"\t0 - use precise distance transform\n"
"\tv - switch Voronoi diagram mode on/off\n"
"\tSPACE - loop through all the modes\n" );
}
int maskSize0 = CV_DIST_MASK_5;
bool buildVoronoi = false;
int edgeThresh = 100;
@ -101,17 +83,41 @@ void onTrackbar( int, void* )
imshow("Distance Map", dist8u );
}
int main( int argc, char** argv )
void help()
{
char* filename = argc == 2 ? argv[1] : (char*)"stuff.jpg";
gray = imread(filename, 0);
printf("\nProgram to demonstrate the use of the distance transform function between edge images.\n"
"Usage:\n"
"./distrans [image_name -- default image is stuff.jpg]\n"
"\nHot keys: \n"
"\tESC - quit the program\n"
"\tC - use C/Inf metric\n"
"\tL1 - use L1 metric\n"
"\tL2 - use L2 metric\n"
"\t3 - use 3x3 mask\n"
"\t5 - use 5x5 mask\n"
"\t0 - use precise distance transform\n"
"\tv - switch Voronoi diagram mode on/off\n"
"\tSPACE - loop through all the modes\n\n");
}
const char* keys =
{
"{1| |stuff.jpg|input image file}"
};
int main( int argc, const char** argv )
{
help();
CommandLineParser parser(argc, argv, keys);
string filename = parser.get<string>("1");
gray = imread(filename.c_str(), 0);
if(gray.empty())
{
help();
printf("Cannot read image file: %s\n", filename.c_str());
help();
return -1;
}
help();
namedWindow("Distance Map", 1);
createTrackbar("Brightness Threshold", "Distance Map", &edgeThresh, 255, onTrackbar, 0);

14
samples/cpp/drawing.cpp
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@ -1,14 +1,13 @@
#include "opencv2/core/core.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <iostream>
#include <stdio.h>
using namespace cv;
void help()
{
std::cout
<< "\nThis program demonstrates OpenCV drawing and text output functions.\n"
"Call:\n"
"./drawing\n" << std::endl;
printf("\nThis program demonstrates OpenCV drawing and text output functions.\n"
"Usage:\n"
" ./drawing\n");
}
static Scalar randomColor(RNG& rng)
{
@ -16,9 +15,10 @@ static Scalar randomColor(RNG& rng)
return Scalar(icolor&255, (icolor>>8)&255, (icolor>>16)&255);
}
int main( int, char** )
int main()
{
char wndname[] = "Drawing Demo";
help();
char wndname[] = "Drawing Demo";
const int NUMBER = 100;
const int DELAY = 5;
int lineType = CV_AA; // change it to 8 to see non-antialiased graphics

34
samples/cpp/edge.cpp
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@ -1,20 +1,11 @@
#include "opencv2/imgproc/imgproc.hpp"
#include "opencv2/highgui/highgui.hpp"
#include <iostream>
#include <stdio.h>
using namespace cv;
using namespace std;
void help()
{
cout <<
"\nDemonstrate Canny edge detection\n"
"Call:\n"
"/.edge [image_name -- Default is fruits.jpg]\n" << endl;
}
int edgeThresh = 1;
Mat image, gray, edge, cedge;
@ -31,17 +22,32 @@ void onTrackbar(int, void*)
imshow("Edge map", cedge);
}
int main( int argc, char** argv )
void help()
{
char* filename = argc == 2 ? argv[1] : (char*)"fruits.jpg";
printf("\nThis sample demonstrates Canny edge detection\n"
"Call:\n"
" /.edge [image_name -- Default is fruits.jpg]\n\n");
}
const char* keys =
{
"{1| |fruits.jpg|input image name}"
};
int main( int argc, const char** argv )
{
help();
CommandLineParser parser(argc, argv, keys);
string filename = parser.get<string>("1");
image = imread(filename, 1);
if(image.empty())
{
help();
printf("Cannot read image file: %s\n", filename.c_str());
help();
return -1;
}
help();
cedge.create(image.size(), image.type());
cvtColor(image, gray, CV_BGR2GRAY);