50 lines
1.5 KiB
C++
50 lines
1.5 KiB
C++
#include <Magick++.h>
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#include <napi.h>
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#include <list>
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using namespace std;
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using namespace Magick;
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Napi::Value Freeze(const Napi::CallbackInfo &info) {
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Napi::Env env = info.Env();
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try {
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Napi::Object obj = info[0].As<Napi::Object>();
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string path = obj.Get("path").As<Napi::String>().Utf8Value();
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bool loop =
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obj.Has("loop") ? obj.Get("loop").As<Napi::Boolean>().Value() : false;
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string type = obj.Get("type").As<Napi::String>().Utf8Value();
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int delay =
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obj.Has("delay") ? obj.Get("delay").As<Napi::Number>().Int32Value() : 0;
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int frame = obj.Has("frame")
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? obj.Get("frame").As<Napi::Number>().Int32Value()
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: -1;
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Blob blob;
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list<Image> frames;
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readImages(&frames, path);
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if (frame >= 0 && !loop) {
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size_t frameSize = frames.size();
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int framePos = clamp(frame, 0, (int)frameSize);
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frames.resize(framePos + 1);
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}
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for_each(frames.begin(), frames.end(),
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animationIterationsImage(loop ? 0 : 1));
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for_each(frames.begin(), frames.end(), magickImage(type));
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if (delay != 0)
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for_each(frames.begin(), frames.end(), animationDelayImage(delay));
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writeImages(frames.begin(), frames.end(), &blob);
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Napi::Object result = Napi::Object::New(env);
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result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
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blob.length()));
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result.Set("type", type);
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return result;
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} catch (std::exception const &err) {
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throw Napi::Error::New(env, err.what());
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}
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} |