35 lines
746 B
C++
35 lines
746 B
C++
#include <iostream>
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#include <opencv2/core.hpp>
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#include <sys/stat.h>
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using namespace std;
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using namespace cv;
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inline bool file_exists (const std::string& name) {
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struct stat buffer;
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return (stat (name.c_str(), &buffer) == 0);
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}
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int main(int argc, char** argv)
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{
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string input;
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if (argc == 2) {
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input = argv[1];
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} else if (argc < 2) {
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cerr << "Please provide one image." << endl;
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return -1;
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} else if (argc > 2) {
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cerr << "Please provide only one image." << endl;
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return -2;
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}
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if (!file_exists(input)) {
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cerr << "File " << input << " does not exist." << endl;
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return -3;
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}
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cout << "Using image " << input << "." << endl;
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return 0;
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} |