mrmBot-Matrix/natives/trump.cc

64 lines
No EOL
2.1 KiB
C++

#include <napi.h>
#include <list>
#include <Magick++.h>
using namespace std;
using namespace Magick;
class TrumpWorker : public Napi::AsyncWorker {
public:
TrumpWorker(Napi::Function& callback, string in_path, string type, int delay)
: Napi::AsyncWorker(callback), in_path(in_path), type(type), delay(delay) {}
~TrumpWorker() {}
void Execute() {
list <Image> frames;
list <Image> coalesced;
list <Image> mid;
Image watermark;
readImages(&frames, in_path);
watermark.read("./assets/images/trump.png");
coalesceImages(&coalesced, frames.begin(), frames.end());
for (Image &image : coalesced) {
Image watermark_new = watermark;
image.virtualPixelMethod(Magick::TransparentVirtualPixelMethod);
image.backgroundColor("none");
image.scale(Geometry("365x179!"));
double arguments[16] = {0, 0, 207, 268, 365, 0, 548, 271, 365, 179, 558, 450, 0, 179, 193, 450};
image.distort(Magick::PerspectiveDistortion, 16, arguments, true);
image.extent(Geometry("800x450"), Magick::CenterGravity);
watermark_new.composite(image, Geometry("-25+134"), Magick::DstOverCompositeOp);
watermark_new.magick(type);
watermark_new.animationDelay(delay == 0 ? image.animationDelay() : delay);
mid.push_back(watermark_new);
}
optimizeTransparency(mid.begin(), mid.end());
writeImages(mid.begin(), mid.end(), &blob);
}
void OnOK() {
Callback().Call({Env().Undefined(), Napi::Buffer<char>::Copy(Env(), (char *)blob.data(), blob.length())});
}
private:
string in_path, type;
int delay;
Blob blob;
};
Napi::Value Trump(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.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
TrumpWorker* blurWorker = new TrumpWorker(cb, path, type, delay);
blurWorker->Queue();
return env.Undefined();
}