#include #include #include using namespace std; using namespace Magick; class TrumpWorker : public Napi::AsyncWorker { public: TrumpWorker(Napi::Function& callback, string in_path, string type, int delay) : Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {} ~TrumpWorker() {} void Execute() { list frames; list coalesced; list mid; Image watermark; readImages(&frames, in_path); watermark.read("./assets/images/trump.png"); coalesceImages(&coalesced, frames.begin(), frames.end()); for (Image &image : coalesced) { Image watermark_new = watermark; image.virtualPixelMethod(Magick::TransparentVirtualPixelMethod); image.backgroundColor("none"); image.scale(Geometry("365x179!")); double arguments[16] = {0, 0, 207, 268, 365, 0, 548, 271, 365, 179, 558, 450, 0, 179, 193, 450}; image.distort(Magick::PerspectiveDistortion, 16, arguments, true); image.extent(Geometry("800x450"), Magick::CenterGravity); watermark_new.composite(image, Geometry("-25+134"), Magick::DstOverCompositeOp); watermark_new.magick(type); watermark_new.animationDelay(delay == 0 ? image.animationDelay() : delay); mid.push_back(watermark_new); } optimizeTransparency(mid.begin(), mid.end()); if (type == "gif") { for (Image &image : mid) { image.quantizeDitherMethod(FloydSteinbergDitherMethod); image.quantize(); } } writeImages(mid.begin(), mid.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 Trump(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(); string type = obj.Get("type").As().Utf8Value(); int delay = obj.Has("delay") ? obj.Get("delay").As().Int32Value() : 0; TrumpWorker* blurWorker = new TrumpWorker(cb, path, type, delay); blurWorker->Queue(); return env.Undefined(); }