You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
// ***************************************************************** -*- C++ -*-
|
|
// prevtest.cpp, $Rev$
|
|
// Test access to preview images
|
|
|
|
#include <exiv2/image.hpp>
|
|
#include <exiv2/preview.hpp>
|
|
|
|
#include <string>
|
|
#include <iostream>
|
|
#include <cassert>
|
|
|
|
int main(int argc, char* const argv[])
|
|
try {
|
|
|
|
if (argc != 2) {
|
|
std::cout << "Usage: " << argv[0] << " file\n";
|
|
return 1;
|
|
}
|
|
|
|
Exiv2::Image::AutoPtr image = Exiv2::ImageFactory::open(argv[1]);
|
|
assert(image.get() != 0);
|
|
image->readMetadata();
|
|
|
|
Exiv2::PreviewImageLoader loader(*image);
|
|
|
|
Exiv2::PreviewPropertiesList list = loader.getPreviewPropertiesList();
|
|
|
|
for (Exiv2::PreviewPropertiesList::iterator pos = list.begin(); pos != list.end(); pos++)
|
|
{
|
|
char buf[50];
|
|
Exiv2::PreviewImage image = loader.getPreviewImage(*pos);
|
|
sprintf(buf, "%ld", image.length());
|
|
image.writeFile(std::string(argv[1]) + "_" + buf);
|
|
std::cout << "found preview " << pos->id_ << ", length: " << pos->length_ << "\n";
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
catch (Exiv2::AnyError& e) {
|
|
std::cout << "Caught Exiv2 exception '" << e << "'\n";
|
|
return -1;
|
|
}
|