70 lines
No EOL
2 KiB
C++
70 lines
No EOL
2 KiB
C++
#include <napi.h>
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#include <list>
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#include <Magick++.h>
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using namespace std;
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using namespace Magick;
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class TileWorker : public Napi::AsyncWorker {
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public:
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TileWorker(Napi::Function& callback, string in_path, string type, int delay)
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: Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {}
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~TileWorker() {}
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void Execute() {
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list <Image> frames;
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list <Image> coalesced;
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list <Image> mid;
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list <Image> result;
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readImages(&frames, in_path);
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coalesceImages(&coalesced, frames.begin(), frames.end());
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for (Image &image : coalesced) {
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list <Image> duplicated;
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Image appended;
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list <Image> montage;
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Image frame;
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image.magick(type);
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for (int i = 0; i < 5; ++i) {
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duplicated.push_back(image);
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}
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appendImages(&appended, duplicated.begin(), duplicated.end());
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appended.repage();
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for (int i = 0; i < 5; ++i) {
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montage.push_back(appended);
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}
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appendImages(&frame, montage.begin(), montage.end(), true);
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frame.repage();
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frame.scale(Geometry("800x800>"));
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mid.push_back(frame);
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}
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optimizeImageLayers(&result, mid.begin(), mid.end());
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if (delay != 0) for_each(result.begin(), result.end(), animationDelayImage(delay));
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writeImages(result.begin(), result.end(), &blob);
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}
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void OnOK() {
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Callback().Call({Env().Undefined(), Napi::Buffer<char>::Copy(Env(), (char *)blob.data(), blob.length())});
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}
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private:
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string in_path, type;
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int delay;
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Blob blob;
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};
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Napi::Value Tile(const Napi::CallbackInfo &info)
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{
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Napi::Env env = info.Env();
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Napi::Object obj = info[0].As<Napi::Object>();
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Napi::Function cb = info[1].As<Napi::Function>();
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string path = obj.Get("path").As<Napi::String>().Utf8Value();
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string type = obj.Get("type").As<Napi::String>().Utf8Value();
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int delay = obj.Get("delay").As<Napi::Number>().Int32Value();
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TileWorker* flopWorker = new TileWorker(cb, path, type, delay);
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flopWorker->Queue();
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return env.Undefined();
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} |