#include #include #include using namespace std; using namespace Magick; class GlobeWorker : public Napi::AsyncWorker { public: GlobeWorker(Napi::Function& callback, string in_path, string type, int delay) : Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {} ~GlobeWorker() {} void Execute() { list frames; list coalesced; list mid; list result; Image distort; Image overlay; readImages(&frames, in_path); distort.read("./assets/images/spheremap.png"); overlay.read("./assets/images/sphere_overlay.png"); coalesceImages(&coalesced, frames.begin(), frames.end()); if (type != "GIF") { list::iterator it = coalesced.begin(); for (int i = 0; i < 29; ++i) { coalesced.push_back(*it); } } int i = 0; for (Image &image : coalesced) { image.scale(Geometry("500x500!")); image.alphaChannel(Magick::SetAlphaChannel); size_t width = image.columns(); image.roll(Geometry("+" + to_string(width * i / coalesced.size()))); image.composite(overlay, Magick::CenterGravity, Magick::HardLightCompositeOp); image.composite(distort, Magick::CenterGravity, Magick::DistortCompositeOp); image.magick("GIF"); mid.push_back(image); i++; } optimizeImageLayers(&result, mid.begin(), mid.end()); if (delay != 0) { for_each(result.begin(), result.end(), animationDelayImage(delay)); } else if (type != "GIF") { for_each(result.begin(), result.end(), animationDelayImage(5)); } writeImages(result.begin(), result.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; }; Napi::Value Globe(const Napi::CallbackInfo &info) { Napi::Env env = info.Env(); string in_path = info[0].As().Utf8Value(); string type = info[1].As().Utf8Value(); int delay = info[2].As().Int32Value(); Napi::Function cb = info[3].As(); GlobeWorker* blurWorker = new GlobeWorker(cb, in_path, type, delay); blurWorker->Queue(); return env.Undefined(); }