73 lines
No EOL
2.2 KiB
C++
73 lines
No EOL
2.2 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 ResizeWorker : public Napi::AsyncWorker {
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public:
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ResizeWorker(Napi::Function& callback, string in_path, bool stretch, bool wide, string type, int delay)
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: Napi::AsyncWorker(callback), in_path(in_path), stretch(stretch), wide(wide), type(type), delay(delay) {}
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~ResizeWorker() {}
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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> blurred;
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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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if (stretch) {
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image.resize(Geometry("512x512!"));
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} else if (wide) {
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image.resize(Geometry(to_string((image.baseColumns() * 19) / 2) + "x" + to_string(image.baseRows() / 2) + "!"));
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} else {
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image.scale(Geometry("10%"));
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image.scale(Geometry("1000%"));
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}
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image.magick(type);
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blurred.push_back(image);
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}
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optimizeTransparency(blurred.begin(), blurred.end());
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if (type == "gif") {
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for (Image &image : blurred) {
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image.quantizeDitherMethod(FloydSteinbergDitherMethod);
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image.quantize();
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if (delay != 0) image.animationDelay(delay);
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}
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}
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writeImages(blurred.begin(), blurred.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, amount;
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Blob blob;
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bool stretch, wide;
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};
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Napi::Value Resize(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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bool stretch = obj.Has("stretch") ? obj.Get("stretch").As<Napi::Boolean>().Value() : false;
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bool wide = obj.Has("wide") ? obj.Get("wide").As<Napi::Boolean>().Value() : false;
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string type = obj.Get("type").As<Napi::String>().Utf8Value();
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int delay = obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
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ResizeWorker* explodeWorker = new ResizeWorker(cb, path, stretch, wide, type, delay);
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explodeWorker->Queue();
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return env.Undefined();
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} |