mrmBot-Matrix/natives/reverse.cc

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#include <napi.h>
#include <list>
#include <Magick++.h>
using namespace std;
using namespace Magick;
class ReverseWorker : public Napi::AsyncWorker {
public:
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ReverseWorker(Napi::Function& callback, string in_path, bool soos, int delay)
: Napi::AsyncWorker(callback), in_path(in_path), soos(soos), delay(delay) {}
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~ReverseWorker() {}
void Execute() {
list<Image> frames;
list<Image> coalesced;
list<Image> result;
readImages(&frames, in_path);
coalesceImages(&coalesced, frames.begin(), frames.end());
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if (soos) {
list<Image> copy = coalesced;
copy.reverse();
coalesced.insert(coalesced.end(), copy.begin(), copy.end());
} else {
coalesced.reverse();
}
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for_each(coalesced.begin(), coalesced.end(), magickImage(type));
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optimizeImageLayers(&result, coalesced.begin(), coalesced.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, amount;
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Blob blob;
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bool soos;
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};
Napi::Value Reverse(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();
bool soos = obj.Has("soos") ? obj.Get("soos").As<Napi::Boolean>().Value() : false;
int delay = obj.Get("delay").As<Napi::Number>().Int32Value();
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ReverseWorker* explodeWorker = new ReverseWorker(cb, path, soos, delay);
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explodeWorker->Queue();
return env.Undefined();
}