mrmBot-Matrix/natives/gamexplain.cc

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#include <napi.h>
#include <list>
#include <Magick++.h>
using namespace std;
using namespace Magick;
class GamexplainWorker : public Napi::AsyncWorker {
public:
GamexplainWorker(Napi::Function& callback, string in_path, string type, int delay)
: Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {}
~GamexplainWorker() {}
void Execute() {
list <Image> frames;
list <Image> coalesced;
list <Image> mid;
list <Image> result;
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Image watermark;
readImages(&frames, in_path);
watermark.read("./assets/images/gamexplain.png");
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
image.backgroundColor("white");
image.scale(Geometry("1181x571!"));
image.extent(Geometry("1200x675-10-92"));
image.composite(watermark, Geometry("+0+0"), Magick::OverCompositeOp);
image.magick(type);
mid.push_back(image);
}
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;
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int delay;
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Blob blob;
};
Napi::Value Gamexplain(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();
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GamexplainWorker* blurWorker = new GamexplainWorker(cb, path, type, delay);
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blurWorker->Queue();
return env.Undefined();
}