mrmBot-Matrix/natives/freeze.cc

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#include <napi.h>
#include <list>
#include <Magick++.h>
using namespace std;
using namespace Magick;
class FreezeWorker : public Napi::AsyncWorker {
public:
FreezeWorker(Napi::Function& callback, string in_path, string type, int delay)
: Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {}
~FreezeWorker() {}
void Execute() {
list<Image> frames;
list<Image> result;
readImages(&frames, in_path);
for_each(frames.begin(), frames.end(), animationIterationsImage(1));
optimizeImageLayers(&result, frames.begin(), frames.end());
if (delay != 0) for_each(result.begin(), result.end(), animationDelayImage(delay));
writeImages(result.begin(), result.end(), &blob);
}
void OnOK() {
Callback().Call({Env().Undefined(), Napi::Buffer<char>::Copy(Env(), (char *)blob.data(), blob.length())});
}
private:
string in_path, type;
int delay, wordlength, i, n;
size_t bytes, type_size;
Blob blob;
};
Napi::Value Freeze(const Napi::CallbackInfo &info)
{
Napi::Env env = info.Env();
string in_path = info[0].As<Napi::String>().Utf8Value();
string type = info[1].As<Napi::String>().Utf8Value();
int delay = info[2].As<Napi::Number>().Int32Value();
Napi::Function cb = info[3].As<Napi::Function>();
FreezeWorker* blurWorker = new FreezeWorker(cb, in_path, type, delay);
blurWorker->Queue();
return env.Undefined();
}