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.
29 lines
894 B
C++
29 lines
894 B
C++
1 year ago
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
// Sample program to parse jpeg files and obtain its specific metadata
|
||
|
|
|
||
|
|
#include <exiv2/exiv2.hpp>
|
||
|
|
#include <exiv2/image_types.hpp>
|
||
|
|
#include <iostream>
|
||
|
|
|
||
|
|
int main(int argc, char* const argv[]) {
|
||
|
|
try {
|
||
|
|
if (argc != 2) {
|
||
|
|
std::cout << "Usage: " << argv[0] << " file\n";
|
||
|
|
return EXIT_FAILURE;
|
||
|
|
}
|
||
|
|
|
||
|
|
auto image = Exiv2::ImageFactory::open(argv[1]);
|
||
|
|
if (image->imageType() == Exiv2::ImageType::jpeg) {
|
||
|
|
auto jpegImage = dynamic_cast<Exiv2::JpegImage*>(image.get());
|
||
|
|
jpegImage->readMetadata();
|
||
|
|
std::cout << "Number of color components: " << jpegImage->numColorComponents() << "\n";
|
||
|
|
std::cout << "Encoding process: " << jpegImage->encodingProcess() << "\n";
|
||
|
|
}
|
||
|
|
|
||
|
|
return EXIT_SUCCESS;
|
||
|
|
} catch (Exiv2::Error& e) {
|
||
|
|
std::cout << "Caught Exiv2 exception '" << e << "'\n";
|
||
|
|
return EXIT_FAILURE;
|
||
|
|
}
|
||
|
|
}
|