#include <napi.h> #include <list> #include <Magick++.h> using namespace std; using namespace Magick; class LeakWorker : public Napi::AsyncWorker { public: LeakWorker(Napi::Function& callback, string in_path, string type, int delay) : Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {} ~LeakWorker() {} void Execute() { list <Image> frames; list <Image> coalesced; list <Image> mid; Image watermark; readImages(&frames, in_path); watermark.read("./assets/images/leak.png"); coalesceImages(&coalesced, frames.begin(), frames.end()); for (Image &image : coalesced) { image.backgroundColor("white"); image.scale(Geometry("640x360!")); image.rotate(15); image.extent(Geometry("1280x720-700+100")); image.composite(watermark, Geometry("+0+0"), Magick::OverCompositeOp); image.magick(type); mid.push_back(image); } if (delay != 0) for_each(mid.begin(), mid.end(), animationDelayImage(delay)); writeImages(mid.begin(), mid.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; Blob blob; }; Napi::Value Leak(const Napi::CallbackInfo &info) { Napi::Env env = info.Env(); Napi::Object obj = info[0].As<Napi::Object>(); Napi::Function cb = info[1].As<Napi::Function>(); string path = obj.Get("path").As<Napi::String>().Utf8Value(); string type = obj.Get("type").As<Napi::String>().Utf8Value(); int delay = obj.Get("delay").As<Napi::Number>().Int32Value(); LeakWorker* blurWorker = new LeakWorker(cb, path, type, delay); blurWorker->Queue(); return env.Undefined(); }