2020-07-23 20:49:34 +00:00
|
|
|
#include <napi.h>
|
|
|
|
#include <list>
|
|
|
|
#include <Magick++.h>
|
|
|
|
|
|
|
|
using namespace std;
|
|
|
|
using namespace Magick;
|
|
|
|
|
|
|
|
class CaptionWorker : public Napi::AsyncWorker {
|
|
|
|
public:
|
|
|
|
CaptionWorker(Napi::Function& callback, string caption, string in_path, string type, int delay)
|
|
|
|
: Napi::AsyncWorker(callback), caption(caption), in_path(in_path), type(type), delay(delay) {}
|
|
|
|
~CaptionWorker() {}
|
|
|
|
|
|
|
|
void Execute() {
|
2020-08-28 02:34:12 +00:00
|
|
|
list <Image> frames;
|
|
|
|
list <Image> coalesced;
|
|
|
|
list <Image> captioned;
|
|
|
|
list <Image> result;
|
2020-07-23 20:49:34 +00:00
|
|
|
readImages(&frames, in_path);
|
|
|
|
|
|
|
|
size_t width = frames.front().baseColumns();
|
|
|
|
string query(to_string(width - ((width / 25) * 2)) + "x");
|
|
|
|
Image caption_image(Geometry(query), Color("white"));
|
|
|
|
caption_image.fillColor("black");
|
|
|
|
caption_image.alpha(true);
|
|
|
|
caption_image.font("./assets/caption.otf");
|
|
|
|
caption_image.fontPointsize(width / 10);
|
|
|
|
caption_image.textGravity(Magick::CenterGravity);
|
|
|
|
caption_image.read("caption:" + caption);
|
|
|
|
caption_image.extent(Geometry(width, caption_image.rows() + (width / 10)), Magick::CenterGravity);
|
|
|
|
|
|
|
|
coalesceImages(&coalesced, frames.begin(), frames.end());
|
|
|
|
|
|
|
|
for (Image &image : coalesced) {
|
|
|
|
Image appended;
|
2020-08-28 02:34:12 +00:00
|
|
|
list <Image> images;
|
2020-07-23 20:49:34 +00:00
|
|
|
image.backgroundColor("white");
|
|
|
|
images.push_back(caption_image);
|
|
|
|
images.push_back(image);
|
|
|
|
appendImages(&appended, images.begin(), images.end(), true);
|
2020-09-10 02:36:20 +00:00
|
|
|
appended.repage();
|
2020-07-23 20:49:34 +00:00
|
|
|
appended.magick(type);
|
|
|
|
captioned.push_back(appended);
|
|
|
|
}
|
|
|
|
|
|
|
|
optimizeImageLayers(&result, captioned.begin(), captioned.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 caption, in_path, type;
|
2020-07-28 14:38:55 +00:00
|
|
|
int delay;
|
2020-07-23 20:49:34 +00:00
|
|
|
Blob blob;
|
|
|
|
};
|
|
|
|
|
|
|
|
Napi::Value Caption(const Napi::CallbackInfo &info)
|
|
|
|
{
|
|
|
|
Napi::Env env = info.Env();
|
|
|
|
|
2020-08-28 02:34:12 +00:00
|
|
|
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 caption = obj.Get("caption").As<Napi::String>().Utf8Value();
|
|
|
|
string type = obj.Get("type").As<Napi::String>().Utf8Value();
|
|
|
|
int delay = obj.Get("delay").As<Napi::Number>().Int32Value();
|
2020-07-23 20:49:34 +00:00
|
|
|
|
2020-08-28 02:34:12 +00:00
|
|
|
CaptionWorker* captionWorker = new CaptionWorker(cb, caption, path, type, delay);
|
2020-07-23 20:49:34 +00:00
|
|
|
captionWorker->Queue();
|
|
|
|
return env.Undefined();
|
|
|
|
}
|