#include #include #include using namespace std; using namespace Magick; class FreezeWorker : public Napi::AsyncWorker { public: FreezeWorker(Napi::Function& callback, string in_path, bool loop, string type, int delay) : Napi::AsyncWorker(callback), in_path(in_path), loop(loop), type(type), delay(delay) {} ~FreezeWorker() {} void Execute() { list frames; readImages(&frames, in_path); for_each(frames.begin(), frames.end(), animationIterationsImage(loop ? 0 : 1)); for_each(frames.begin(), frames.end(), magickImage(type)); if (delay != 0) for_each(frames.begin(), frames.end(), animationDelayImage(delay)); writeImages(frames.begin(), frames.end(), &blob); } void OnOK() { Callback().Call({Env().Undefined(), Napi::Buffer::Copy(Env(), (char *)blob.data(), blob.length())}); } private: string in_path, type; int delay; Blob blob; bool loop; }; Napi::Value Freeze(const Napi::CallbackInfo &info) { Napi::Env env = info.Env(); Napi::Object obj = info[0].As(); Napi::Function cb = info[1].As(); string path = obj.Get("path").As().Utf8Value(); bool loop = obj.Has("loop") ? obj.Get("loop").As().Value() : false; string type = obj.Get("type").As().Utf8Value(); int delay = obj.Has("delay") ? obj.Get("delay").As().Int32Value() : 0; FreezeWorker* blurWorker = new FreezeWorker(cb, path, loop, type, delay); blurWorker->Queue(); return env.Undefined(); }