#include <napi.h> #include <list> #include <Magick++.h> using namespace std; using namespace Magick; class MotivateWorker : public Napi::AsyncWorker { public: MotivateWorker(Napi::Function& callback, string in_path, string top_text, string bottom_text, string type, int delay) : Napi::AsyncWorker(callback), in_path(in_path), top_text(top_text), bottom_text(bottom_text), type(type), delay(delay) {} ~MotivateWorker() {} void Execute() { list <Image> frames; list <Image> coalesced; list <Image> mid; list <Image> result; Image top; Image bottom; readImages(&frames, in_path); coalesceImages(&coalesced, frames.begin(), frames.end()); top.size(Geometry("600")); top.backgroundColor("black"); top.font("Times"); top.textGravity(Magick::CenterGravity); top.fontPointsize(56); top.read("pango:<span foreground='white'>" + top_text + "</span>"); top.extent(Geometry(bottom_text != "" ? to_string(top.columns()) + "x" + to_string(top.rows()) : to_string(top.columns()) + "x" + to_string(top.rows() + 20)), "black", Magick::NorthGravity); if (bottom_text != "") { bottom.size(Geometry("600")); bottom.backgroundColor("black"); bottom.font("Times"); bottom.textGravity(Magick::CenterGravity); bottom.fontPointsize(28); bottom.read("pango:<span foreground='white'>" + bottom_text + "</span>"); bottom.extent(Geometry(to_string(bottom.columns()) + "x" + to_string(bottom.rows() + 20)), "black", Magick::NorthGravity); } for (Image &image : coalesced) { Image final; image.scale(Geometry(500, 500)); image.borderColor("black"); image.border(Geometry(5, 5)); image.borderColor("white"); image.border(Geometry(3, 3)); image.backgroundColor("black"); image.extent(Geometry(600, image.rows() + 50), Magick::CenterGravity); list <Image> to_append; to_append.push_back(image); to_append.push_back(top); if (bottom_text != "") to_append.push_back(bottom); appendImages(&final, to_append.begin(), to_append.end(), true); final.repage(); final.magick(type); mid.push_back(final); } optimizeImageLayers(&result, mid.begin(), mid.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, top_text, bottom_text; int delay; Blob blob; }; Napi::Value Motivate(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 top = obj.Get("top").As<Napi::String>().Utf8Value(); string bottom = obj.Get("bottom").As<Napi::String>().Utf8Value(); string type = obj.Get("type").As<Napi::String>().Utf8Value(); int delay = obj.Get("delay").As<Napi::Number>().Int32Value(); MotivateWorker* blurWorker = new MotivateWorker(cb, path, top, bottom, type, delay); blurWorker->Queue(); return env.Undefined(); }