#include <opencv2/highgui.hpp>

#include <opencv2/imgcodecs.hpp>

#include <opencv2/imgproc.hpp>

#include <iostream>

using namespace cv;

int main( int argc, const char** argv )

{

std::string filename = argc > 1 ? argv[1] : "animated_image.webp";

//! [write_animation]

if (argc == 1)

{

Animation animation_to_save;

Mat image(128, 256, CV_8UC4, Scalar(150, 150, 150, 255));

int duration = 200;

for (int i = 0; i < 10; ++i) {

animation_to_save.frames.push_back(image.clone());

putText(animation_to_save.frames[i], format("Frame %d", i), Point(30, 80), FONT_HERSHEY_SIMPLEX, 1.5, Scalar(255, 100, 0, 255), 2);

animation_to_save.durations.push_back(duration);

}

imwriteanimation("animated_image.webp", animation_to_save, { IMWRITE_WEBP_QUALITY, 100 });

}

//! [write_animation]

//! [init_animation]

Animation animation;

//! [init_animation]

//! [read_animation]

bool success = imreadanimation(filename, animation);

if (!success) {

std::cerr << "Failed to load animation frames\n";

return -1;

}

//! [read_animation]

//! [show_animation]

while (true)

for (size_t i = 0; i < animation.frames.size(); ++i) {

imshow("Animation", animation.frames[i]);

int key_code = waitKey(animation.durations[i]); // Delay between frames

if (key_code == 27)

exit(0);

}

//! [show_animation]

return 0;

}