Natives Rework (Thank you Essem)
Co-authored-by: Essem <TheEssem@users.noreply.github.com>
This commit is contained in:
murm
parent
b424b2f813
commit
ff7f0a3110
88 changed files with 3358 additions and 3104 deletions
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@ -1,124 +1,130 @@
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#include <napi.h>
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#include <iostream>
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#include <map>
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#include <string>
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#include "../common.h"
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#ifdef _WIN32
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#include <Magick++.h>
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#endif
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#include <vips/vips8>
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using namespace std;
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bool isNapiValueInt(Napi::Env& env, Napi::Value& num) {
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return env.Global()
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.Get("Number")
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.ToObject()
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.Get("isInteger")
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.As<Napi::Function>()
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.Call({num})
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.ToBoolean()
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.Value();
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}
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Napi::Value ProcessImage(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::Object result = Napi::Object::New(env);
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try {
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string command = info[0].As<Napi::String>().Utf8Value();
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Napi::Object obj = info[1].As<Napi::Object>();
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string type =
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obj.Has("type") ? obj.Get("type").As<Napi::String>().Utf8Value() : "png";
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Napi::Array properties = obj.GetPropertyNames();
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ArgumentMap Arguments;
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for (unsigned int i = 0; i < properties.Length(); i++) {
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string property =
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properties.Get(uint32_t(i)).As<Napi::String>().Utf8Value();
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if (property == "data") {
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continue;
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}
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auto val = obj.Get(property);
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if (val.IsBoolean()) {
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Arguments[property] = val.ToBoolean().Value();
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} else if (val.IsString()) {
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Arguments[property] = val.ToString().As<Napi::String>().Utf8Value();
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} else if (val.IsNumber()) {
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auto num = val.ToNumber();
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if (isNapiValueInt(env, num)) {
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Arguments[property] = num.Int32Value();
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} else {
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Arguments[property] = num.FloatValue();
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}
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} else {
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throw "Unimplemented value type passed to image native.";
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// Arguments[property] = val;
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}
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}
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string outType = GetArgument<bool>(Arguments, "togif") ? "gif" : type;
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size_t length = 0;
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char* buf;
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if (obj.Has("data")) {
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Napi::Buffer<char> data = obj.Has("data")
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? obj.Get("data").As<Napi::Buffer<char>>()
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: Napi::Buffer<char>::New(env, 0);
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buf = FunctionMap.at(command)(type, &outType, data.Data(), data.Length(),
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Arguments, &length);
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} else {
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buf = NoInputFunctionMap.at(command)(type, &outType, Arguments, &length);
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}
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vips_error_clear();
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vips_thread_shutdown();
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result.Set("data",
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Napi::Buffer<char>::New(env, buf, length,
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[]([[maybe_unused]] Napi::Env env,
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void* data) { free(data); }));
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result.Set("type", outType);
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} catch (std::exception const& err) {
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Napi::Error::New(env, err.what()).ThrowAsJavaScriptException();
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} catch (...) {
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Napi::Error::New(env, "Unknown error").ThrowAsJavaScriptException();
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}
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return result;
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}
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Napi::Object Init(Napi::Env env, Napi::Object exports) {
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#ifdef _WIN32
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Magick::InitializeMagick("");
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#endif
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if (vips_init("")) vips_error_exit(NULL);
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exports.Set(Napi::String::New(env, "image"),
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Napi::Function::New(env, ProcessImage)); // new function handler
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Napi::Array arr = Napi::Array::New(env);
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size_t i = 0;
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for (auto const& imap : FunctionMap) {
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Napi::HandleScope scope(env);
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arr[i] = Napi::String::New(env, imap.first);
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i++;
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}
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for (auto const& imap : NoInputFunctionMap) {
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Napi::HandleScope scope(env);
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arr[i] = Napi::String::New(env, imap.first);
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i++;
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}
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exports.Set(Napi::String::New(env, "funcs"), arr);
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return exports;
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}
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NODE_API_MODULE(addon, Init)
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#include <napi.h>
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#include <iostream>
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#include <map>
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#include <string>
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#include "../common.h"
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#ifdef _WIN32
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#include <Magick++.h>
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#endif
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#include <vips/vips8>
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using namespace std;
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bool isNapiValueInt(Napi::Env& env, Napi::Value& num) {
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return env.Global()
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.Get("Number")
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.ToObject()
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.Get("isInteger")
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.As<Napi::Function>()
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.Call({num})
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.ToBoolean()
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.Value();
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}
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Napi::Value ProcessImage(const Napi::CallbackInfo& info) {
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Napi::Env env = info.Env();
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Napi::Object result = Napi::Object::New(env);
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try {
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string command = info[0].As<Napi::String>().Utf8Value();
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Napi::Object obj = info[1].As<Napi::Object>();
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string type =
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obj.Has("type") ? obj.Get("type").As<Napi::String>().Utf8Value() : "png";
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Napi::Array properties = obj.GetPropertyNames();
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ArgumentMap Arguments;
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for (unsigned int i = 0; i < properties.Length(); i++) {
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string property =
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properties.Get(uint32_t(i)).As<Napi::String>().Utf8Value();
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if (property == "data") {
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continue;
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}
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auto val = obj.Get(property);
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if (val.IsBoolean()) {
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Arguments[property] = val.ToBoolean().Value();
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} else if (val.IsString()) {
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Arguments[property] = val.ToString().As<Napi::String>().Utf8Value();
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} else if (val.IsNumber()) {
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auto num = val.ToNumber();
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if (isNapiValueInt(env, num)) {
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Arguments[property] = num.Int32Value();
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} else {
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Arguments[property] = num.FloatValue();
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}
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} else {
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throw "Unimplemented value type passed to image native.";
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// Arguments[property] = val;
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}
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}
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string outType = GetArgument<bool>(Arguments, "togif") ? "gif" : type;
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size_t length = 0;
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ArgumentMap outMap;
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if (obj.Has("data")) {
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Napi::Buffer<char> data = obj.Has("data")
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? obj.Get("data").As<Napi::Buffer<char>>()
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: Napi::Buffer<char>::New(env, 0);
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outMap = FunctionMap.at(command)(type, &outType, data.Data(), data.Length(),
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Arguments, &length);
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} else {
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outMap = NoInputFunctionMap.at(command)(type, &outType, Arguments, &length);
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}
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vips_error_clear();
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vips_thread_shutdown();
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char* buf = GetArgument<char*>(outMap, "buf");
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int width = GetArgument<int>(outMap, "width");
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int height = GetArgument<int>(outMap, "height");
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result.Set("data",
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Napi::Buffer<char>::New(env, buf, length,
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[]([[maybe_unused]] Napi::Env env,
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void* data) { free(data); }));
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result.Set("type", outType);
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result.Set("width", width);
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result.Set("height", height);
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} catch (std::exception const& err) {
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Napi::Error::New(env, err.what()).ThrowAsJavaScriptException();
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} catch (...) {
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Napi::Error::New(env, "Unknown error").ThrowAsJavaScriptException();
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}
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return result;
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}
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Napi::Object Init(Napi::Env env, Napi::Object exports) {
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#ifdef _WIN32
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Magick::InitializeMagick("");
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#endif
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if (vips_init("")) vips_error_exit(NULL);
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exports.Set(Napi::String::New(env, "image"),
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Napi::Function::New(env, ProcessImage)); // new function handler
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Napi::Array arr = Napi::Array::New(env);
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size_t i = 0;
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for (auto const& imap : FunctionMap) {
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Napi::HandleScope scope(env);
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arr[i] = Napi::String::New(env, imap.first);
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i++;
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}
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for (auto const& imap : NoInputFunctionMap) {
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Napi::HandleScope scope(env);
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arr[i] = Napi::String::New(env, imap.first);
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i++;
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}
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exports.Set(Napi::String::New(env, "funcs"), arr);
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return exports;
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}
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NODE_API_MODULE(addon, Init)
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