55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
#include <Magick++.h>
|
|
#include <napi.h>
|
|
|
|
#include <list>
|
|
|
|
using namespace std;
|
|
using namespace Magick;
|
|
|
|
Napi::Value Blur(const Napi::CallbackInfo &info) {
|
|
Napi::Env env = info.Env();
|
|
|
|
try {
|
|
Napi::Object obj = info[0].As<Napi::Object>();
|
|
string path = obj.Get("path").As<Napi::String>().Utf8Value();
|
|
bool sharp = obj.Get("sharp").As<Napi::Boolean>().Value();
|
|
string type = obj.Get("type").As<Napi::String>().Utf8Value();
|
|
int delay =
|
|
obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
|
|
|
|
Blob blob;
|
|
|
|
list<Image> frames;
|
|
list<Image> coalesced;
|
|
readImages(&frames, path);
|
|
coalesceImages(&coalesced, frames.begin(), frames.end());
|
|
|
|
if (sharp) {
|
|
for_each(coalesced.begin(), coalesced.end(), sharpenImage(10, 3));
|
|
} else {
|
|
for_each(coalesced.begin(), coalesced.end(), blurImage(15));
|
|
}
|
|
|
|
for_each(coalesced.begin(), coalesced.end(), magickImage(type));
|
|
|
|
optimizeTransparency(coalesced.begin(), coalesced.end());
|
|
|
|
if (type == "gif") {
|
|
for (Image &image : coalesced) {
|
|
image.quantizeDitherMethod(FloydSteinbergDitherMethod);
|
|
image.quantize();
|
|
if (delay != 0) image.animationDelay(delay);
|
|
}
|
|
}
|
|
|
|
writeImages(coalesced.begin(), coalesced.end(), &blob);
|
|
|
|
Napi::Object result = Napi::Object::New(env);
|
|
result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
|
|
blob.length()));
|
|
result.Set("type", type);
|
|
return result;
|
|
} catch (std::exception const &err) {
|
|
throw Napi::Error::New(env, err.what());
|
|
}
|
|
} |