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#include "opencv2/core.hpp"
#include <iostream>
#include <string>
static CvFileStorage * three_same_ways_of_write_base64()
{
CvFileStorage * fs = 0;
cv::RNG rng;
switch ( rng.uniform( 0, 2 ) )
{
case 0:
//! [suffix_in_file_name]
fs = cvOpenFileStorage( "example.yml?base64", 0, CV_STORAGE_WRITE );
//! [suffix_in_file_name]
break;
case 1:
//! [flag_write_base64]
fs = cvOpenFileStorage( "example.yml" , 0, CV_STORAGE_WRITE_BASE64 );
//! [flag_write_base64]
break;
case 2:
//! [flag_write_and_flag_base64]
fs = cvOpenFileStorage( "example.yml" , 0, CV_STORAGE_WRITE | CV_STORAGE_BASE64 );
//! [flag_write_and_flag_base64]
break;
default:
break;
}
return fs;
}
static void two_ways_to_write_rawdata_in_base64()
{
std::vector<int> rawdata(10, 0x00010203);
{ // [1]
//! [without_base64_flag]
CvFileStorage* fs = cvOpenFileStorage( "example.xml", 0, CV_STORAGE_WRITE );
// both CV_NODE_SEQ and "binary" are necessary.
cvStartWriteStruct(fs, "rawdata", CV_NODE_SEQ | CV_NODE_FLOW, "binary");
cvWriteRawDataBase64(fs, rawdata.data(), static_cast<int>(rawdata.size()), "i");
cvEndWriteStruct(fs);
cvReleaseFileStorage( &fs );
//! [without_base64_flag]
}
{ // [2]
//! [with_write_base64_flag]
CvFileStorage* fs = cvOpenFileStorage( "example.xml", 0, CV_STORAGE_WRITE_BASE64);
// parameter, typename "binary" could be omitted.
cvStartWriteStruct(fs, "rawdata", CV_NODE_SEQ | CV_NODE_FLOW);
cvWriteRawData(fs, rawdata.data(), static_cast<int>(rawdata.size()), "i");
cvEndWriteStruct(fs);
cvReleaseFileStorage( &fs );
//! [with_write_base64_flag]
}
}
int main(int /* argc */, char** /* argv */)
{
{ // base64 mode
CvFileStorage * fs = three_same_ways_of_write_base64();
cvReleaseFileStorage( &fs );
}
{ // output rawdata by `cvWriteRawdata*`
two_ways_to_write_rawdata_in_base64();
}
return 0;
}
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