mrmBot-Matrix/natives/freeze.cc
adroitwhiz 7167956a76
Stop using ffprobe to read GIF frame delay (#57)
* Stop using ffprobe to read GIF delay

* Default image delay to 0
2021-01-26 20:30:04 -06:00

50 lines
No EOL
1.5 KiB
C++

#include <napi.h>
#include <list>
#include <Magick++.h>
using namespace std;
using namespace Magick;
class FreezeWorker : public Napi::AsyncWorker {
public:
FreezeWorker(Napi::Function& callback, string in_path, bool loop, string type, int delay)
: Napi::AsyncWorker(callback), in_path(in_path), loop(loop), type(type), delay(delay) {}
~FreezeWorker() {}
void Execute() {
list <Image> frames;
readImages(&frames, in_path);
for_each(frames.begin(), frames.end(), animationIterationsImage(loop ? 0 : 1));
for_each(frames.begin(), frames.end(), magickImage(type));
if (delay != 0) for_each(frames.begin(), frames.end(), animationDelayImage(delay));
writeImages(frames.begin(), frames.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;
bool loop;
};
Napi::Value Freeze(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 loop = obj.Has("loop") ? obj.Get("loop").As<Napi::Boolean>().Value() : false;
string type = obj.Get("type").As<Napi::String>().Utf8Value();
int delay = obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
FreezeWorker* blurWorker = new FreezeWorker(cb, path, loop, type, delay);
blurWorker->Queue();
return env.Undefined();
}