Some fixes and whatnot

api/index.js

@@ -11,7 +11,7 @@ import { createRequire } from "module";
 import EventEmitter from "events";
 
 const nodeRequire = createRequire(import.meta.url);
-const magick = nodeRequire(`../build/${process.env.DEBUG && process.env.DEBUG === "true" ? "Debug" : "Release"}/image.node`);
+const img = nodeRequire(`../build/${process.env.DEBUG && process.env.DEBUG === "true" ? "Debug" : "Release"}/image.node`);
 
 const Rerror = 0x01;
 const Tqueue = 0x02;
@@ -92,7 +92,7 @@ wss.on("connection", (ws, request) => {
   const cur = Buffer.alloc(2);
   cur.writeUInt16LE(jobAmount);
   const formats = {};
-  for (const cmd of Object.keys(magick)) {
+  for (const cmd of img.funcs) {
     formats[cmd] = ["image/png", "image/gif", "image/jpeg", "image/webp"];
   }
   const init = Buffer.concat([Buffer.from([Rinit]), Buffer.from([0x00, 0x00]), num, cur, Buffer.from(JSON.stringify(formats))]);

natives/blur.cc

@@ -1,16 +1,15 @@
 #include "common.h"
 
-#include <vips/vips8>
-#include <string>
 #include <map>
+#include <string>
+#include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* Blur(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
-  	string caption = Arguments["caption"];
-    string font = MAP_GET(Arguments, "font");
-	  bool sharp = MAP_GET(Arguments, "sharp") == "true";
+char *Blur(string type, char *BufferData, size_t BufferLength,
+           map<string, any> Arguments, size_t *DataSize) {
+  bool sharp = MAP_GET(Arguments, "sharp", bool);
   VOption *options = VImage::option()->set("access", "sequential");
 
   VImage in =
@@ -18,12 +17,13 @@ char* Blur(string type, char* BufferData, size_t BufferLength, map<string, strin
                               type == "gif" ? options->set("n", -1) : options)
           .colourspace(VIPS_INTERPRETATION_sRGB);
 
-    if (!in.has_alpha()) in = in.bandjoin(255);
+  if (!in.has_alpha())
+    in = in.bandjoin(255);
 
   // TODO: find a better way to calculate the intensity for GIFs without
   // splitting frames
-    VImage out = sharp ? in.sharpen(VImage::option()->set("sigma", 3))
-                       : in.gaussblur(15);
+  VImage out =
+      sharp ? in.sharpen(VImage::option()->set("sigma", 3)) : in.gaussblur(15);
 
   void *buf;
   out.write_to_buffer(("." + type).c_str(), &buf, DataSize);

natives/blur.h

@@ -1,8 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
+#include <map>
+#include <string>
 
-using std::string;
+using std::any;
 using std::map;
+using std::string;
 
-char* Blur(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Blur(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/caption.cc

@@ -7,10 +7,12 @@
 using namespace std;
 using namespace vips;
 
-char* Caption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Caption(string type, char *BufferData, size_t BufferLength,
+              map<string, any> Arguments, size_t *DataSize) {
 
-    string caption = Arguments["caption"];
-    string font = MAP_GET(Arguments, "font");
+  string caption = MAP_GET(Arguments, "caption", string);
+  string font = MAP_GET(Arguments, "font", string);
+  string basePath = MAP_GET(Arguments, "basePath", string);
 
   VOption *options = VImage::option()->set("access", "sequential");
 
@@ -34,11 +36,20 @@ char* Caption(string type, char* BufferData, size_t BufferLength, map<string, st
 
   string captionText = "<span background=\"white\">" + caption + "</span>";
 
-    VImage text =
-        VImage::text(captionText.c_str(), VImage::option()
+  VImage text;
+  auto findResult = fontPaths.find(font);
+  if (findResult != fontPaths.end()) {
+    text = VImage::text(
+        ".", VImage::option()->set("fontfile",
+                                   (basePath + findResult->second).c_str()));
+  }
+  text = VImage::text(
+      captionText.c_str(),
+      VImage::option()
           ->set("rgba", true)
           ->set("align", VIPS_ALIGN_CENTRE)
           ->set("font", font_string.c_str())
+          ->set("fontfile", (basePath + "assets/fonts/twemoji.otf").c_str())
           ->set("width", textWidth));
   VImage captionImage =
       ((text == (vector<double>){0, 0, 0, 0}).bandand())

natives/caption.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#include <any>
 #include <map>
 #include <string>
-#include <napi.h>
 
-char* Caption(std::string type, char* BufferData, size_t BufferLength, std::map<std::string, std::string> Arguments, size_t* DataSize);
+using std::any;
+using std::map;
+using std::string;
+
+char* Caption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/caption2.cc

@@ -1,19 +1,19 @@
 #include "common.h"
 
-#include "common.h"
-#include <string>
 #include <map>
+#include <string>
 #include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *CaptionTwo(string type, char *BufferData, size_t BufferLength,
+                 map<string, any> Arguments, size_t *DataSize) {
 
-    bool top = MAP_GET(Arguments, "top") == "true";
-  	string caption = Arguments["caption"];
-    string font = MAP_GET(Arguments, "font");
-    string basePath = MAP_GET(Arguments, "basePath");
+  bool top = MAP_GET(Arguments, "top", bool);
+  string caption = MAP_GET(Arguments, "caption", string);
+  string font = MAP_GET(Arguments, "font", string);
+  string basePath = MAP_GET(Arguments, "basePath", string);
 
   VOption *options = VImage::option()->set("access", "sequential");
 

natives/caption2.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#include <any>
 #include <map>
 #include <string>
-#include <napi.h>
 
-char* CaptionTwo(std::string type, char* BufferData, size_t BufferLength, std::map<std::string, std::string> Arguments, size_t* DataSize);
+using std::any;
+using std::map;
+using std::string;
+
+char* CaptionTwo(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/circle.cc

@@ -1,15 +1,17 @@
+#include "common.h"
 #include <Magick++.h>
-#include <napi.h>
 
+#include <cstring>
 #include <iostream>
-#include <string>
-#include <map>
 #include <list>
+#include <map>
+#include <string>
 
 using namespace std;
 using namespace Magick;
 
-char* Circle(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Circle(string type, char *BufferData, size_t BufferLength,
+             map<string, any> Arguments, size_t *DataSize) {
 
   Blob blob;
 
@@ -44,5 +46,8 @@ char* Circle(string type, char* BufferData, size_t BufferLength, map<string, str
 
   *DataSize = blob.length();
   
-  	return (char*) blob.data();
+  // workaround because the data is tied to the blob
+  char *data = (char *)malloc(*DataSize);
+  memcpy(data, blob.data(), *DataSize);
+  return data;
 }

natives/circle.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
-#include <string>
+#include <any>
 #include <map>
+#include <string>
 
-using std::string;
+using std::any;
 using std::map;
+using std::string;
 
-char* Circle(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Circle(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/colors.cc

@@ -1,8 +1,8 @@
-#include <napi.h>
+#include "common.h"
 
-#include <vips/vips8>
 #include <map>
 #include <string>
+#include <vips/vips8>
 
 using namespace std;
 using namespace vips;
@@ -10,9 +10,10 @@ using namespace vips;
 VImage sepia = VImage::new_matrixv(3, 3, 0.3588, 0.7044, 0.1368, 0.2990, 0.5870,
                                    0.1140, 0.2392, 0.4696, 0.0912);
 
-char* Colors(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Colors(string type, char *BufferData, size_t BufferLength,
+             map<string, any> Arguments, size_t *DataSize) {
 
-	string color = Arguments["color"];
+  string color = MAP_GET(Arguments, "color", string);
 
   VOption *options = VImage::option()->set("access", "sequential");
 

natives/colors.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
 #include <map>
 #include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Colors(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Colors(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/common.h

@@ -1,10 +1,12 @@
 #pragma once
 
+#include <any>
 #include <string>
 #include <unordered_map>
 
 #define MAP_HAS(ARRAY, KEY) (ARRAY.count(KEY) > 0)
-#define MAP_GET(ARRAY, KEY) (MAP_HAS(ARRAY, KEY) ? ARRAY.at(KEY) : NULL) // C++ has forced my hand
+#define MAP_GET(ARRAY, KEY, TYPE) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : NULL) // C++ has forced my hand
+#define MAP_GET_FALLBACK(ARRAY, KEY, TYPE, FALLBACK) (MAP_HAS(ARRAY, KEY) ? any_cast<TYPE>(ARRAY.at(KEY)) : FALLBACK)
 
 const std::unordered_map<std::string, std::string> fontPaths {
   {"futura", "assets/fonts/caption.otf"},

natives/crop.cc

@@ -1,4 +1,4 @@
-#include <napi.h>
+#include "common.h"
 #include <map>
 #include <string>
 #include <vips/vips8>
@@ -6,7 +6,8 @@
 using namespace std;
 using namespace vips;
 
-char* Crop(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Crop(string type, char *BufferData, size_t BufferLength,
+           map<string, any> Arguments, size_t *DataSize) {
 
   VOption *options = VImage::option()->set("access", "sequential");
 

natives/crop.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
 #include <map>
 #include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Crop(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Crop(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/deepfry.cc

@@ -1,10 +1,12 @@
+#include "common.h"
 #include <map>
 #include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Deepfry(string type, char *BufferData, size_t BufferLength,
+              map<string, any> Arguments, size_t *DataSize) {
 
   VOption *options = VImage::option()->set("access", "sequential");
 
@@ -53,8 +55,7 @@ char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, st
 
   void *buf;
   final.write_to_buffer(("." + type).c_str(), &buf, DataSize,
-                          type == "gif" ? VImage::option()->set("dither", 0)
-                                        : 0);
+                        type == "gif" ? VImage::option()->set("dither", 0) : 0);
 
   vips_error_clear();
   vips_thread_shutdown();

natives/deepfry.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
 #include <map>
 #include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Deepfry(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/explode.cc

@@ -2,18 +2,20 @@
 
 #include <Magick++.h>
 
+#include <cstring>
 #include <iostream>
-#include <string>
-#include <map>
 #include <list>
+#include <map>
+#include <string>
 
 using namespace std;
 using namespace Magick;
 
-char* Explode(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Explode(string type, char *BufferData, size_t BufferLength,
+              map<string, any> Arguments, size_t *DataSize) {
 
-  	int amount = stoi(Arguments.at("amount"));
-    int delay = MAP_HAS(Arguments, "delay") ? stoi(Arguments.at("delay")) : 0;
+  int amount = MAP_GET(Arguments, "amount", int);
+  int delay = MAP_GET_FALLBACK(Arguments, "delay", int, 0);
 
   Blob blob;
 
@@ -49,5 +51,8 @@ char* Explode(string type, char* BufferData, size_t BufferLength, map<string, st
 
   *DataSize = blob.length();
 
-	return (char*) blob.data();
+  // workaround because the data is tied to the blob
+  char *data = (char *)malloc(*DataSize);
+  memcpy(data, blob.data(), *DataSize);
+  return data;
 }

natives/explode.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
-#include <string>
+#include <any>
 #include <map>
+#include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Explode(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Explode(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/flag.cc

@@ -1,16 +1,17 @@
-#include <napi.h>
+#include "common.h"
 
-#include <vips/vips8>
-#include <string>
 #include <map>
+#include <string>
+#include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* Flag(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Flag(string type, char *BufferData, size_t BufferLength,
+           map<string, any> Arguments, size_t *DataSize) {
 
-    string overlay = Arguments["overlay"];
-    string basePath = Arguments["basePath"];
+  string overlay = MAP_GET(Arguments, "overlay", string);
+  string basePath = MAP_GET(Arguments, "basePath", string);
 
   VOption *options = VImage::option()->set("access", "sequential");
 
@@ -19,7 +20,8 @@ char* Flag(string type, char* BufferData, size_t BufferLength, map<string, strin
                               type == "gif" ? options->set("n", -1) : options)
           .colourspace(VIPS_INTERPRETATION_sRGB);
 
-    if (!in.has_alpha()) in = in.bandjoin(255);
+  if (!in.has_alpha())
+    in = in.bandjoin(255);
 
   int width = in.width();
   int pageHeight = vips_image_get_page_height(in.get_image());
@@ -29,8 +31,8 @@ char* Flag(string type, char* BufferData, size_t BufferLength, map<string, strin
   VImage overlayInput = VImage::new_from_file(assetPath.c_str());
   VImage overlayImage = overlayInput.resize(
       (double)width / (double)overlayInput.width(),
-        VImage::option()->set(
-            "vscale", (double)pageHeight / (double)overlayInput.height()));
+      VImage::option()->set("vscale", (double)pageHeight /
+                                          (double)overlayInput.height()));
   if (!overlayImage.has_alpha()) {
     overlayImage = overlayImage.bandjoin(127);
   } else {
@@ -53,7 +55,8 @@ char* Flag(string type, char* BufferData, size_t BufferLength, map<string, strin
   void *buf;
   final.write_to_buffer(
       ("." + type).c_str(), &buf, DataSize,
-        type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)  : 0);
+      type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
+                    : 0);
 
   vips_error_clear();
   vips_thread_shutdown();

natives/flag.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
 #include <map>
 #include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Flag(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Flag(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/flip.cc

@@ -7,17 +7,19 @@
 using namespace std;
 using namespace vips;
 
-char* Flip(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Flip(string type, char *BufferData, size_t BufferLength,
+           map<string, any> Arguments, size_t *DataSize) {
 
-    bool flop = MAP_GET(Arguments, "flop") == "true";
+  bool flop = MAP_GET(Arguments, "flop", bool);
 
-	  VOption *options = VImage::option()->set("access", "sequential");
-
-    VImage in =
-        VImage::new_from_buffer(BufferData, BufferLength, "",
-                                type == "gif" ? VImage::option()->set("n", -1)->set("access", "sequential") : 0)
+  VImage in = VImage::new_from_buffer(BufferData, BufferLength, "",
+                                      type == "gif"
+                                          ? VImage::option()->set("n", -1)->set(
+                                                "access", "sequential")
+                                          : 0)
                   .colourspace(VIPS_INTERPRETATION_sRGB);
-    if (!in.has_alpha()) in = in.bandjoin(255);
+  if (!in.has_alpha())
+    in = in.bandjoin(255);
 
   VImage out;
   if (flop) {

natives/flip.h

@@ -1,10 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
 #include <map>
 #include <string>
 
+using std::any;
 using std::map;
 using std::string;
 
-char* Flip(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+char* Flip(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/freeze.cc

@@ -51,11 +51,12 @@ Napi::Value Freeze(const Napi::CallbackInfo &info) {
     } else if (frame >= 0 && !loop) {
       VOption *options = VImage::option()->set("access", "sequential");
 
-      VImage in = VImage::new_from_buffer(
-                      data.Data(), data.Length(), "",
-                      type == "gif" ? options->set("n", -1) : options)
+      VImage in = VImage::new_from_buffer(data.Data(), data.Length(), "",
+                                          type == "gif" ? options->set("n", -1)
+                                                        : options)
                       .colourspace(VIPS_INTERPRETATION_sRGB);
-      if (!in.has_alpha()) in = in.bandjoin(255);
+      if (!in.has_alpha())
+        in = in.bandjoin(255);
 
       int pageHeight = vips_image_get_page_height(in.get_image());
       int nPages = vips_image_get_n_pages(in.get_image());

natives/gamexplain.cc

@@ -21,7 +21,8 @@ Napi::Value Gamexplain(const Napi::CallbackInfo &info) {
         VImage::new_from_buffer(data.Data(), data.Length(), "",
                                 type == "gif" ? options->set("n", -1) : options)
             .colourspace(VIPS_INTERPRETATION_sRGB);
-    if (!in.has_alpha()) in = in.bandjoin(255);
+    if (!in.has_alpha())
+      in = in.bandjoin(255);
 
     string assetPath = basePath + "assets/images/gamexplain.png";
     VImage tmpl = VImage::new_from_file(assetPath.c_str());
@@ -50,7 +51,8 @@ Napi::Value Gamexplain(const Napi::CallbackInfo &info) {
     size_t length;
     final.write_to_buffer(
         ("." + type).c_str(), &buf, &length,
-        type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)  : 0);
+        type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
+                      : 0);
 
     result.Set("data", Napi::Buffer<char>::Copy(env, (char *)buf, length));
     result.Set("type", type);

natives/globe.cc

@@ -23,7 +23,8 @@ Napi::Value Globe(const Napi::CallbackInfo &info) {
             type == "gif" ? options->set("n", -1)->set("access", "sequential")
                           : options)
             .colourspace(VIPS_INTERPRETATION_sRGB);
-    if (!in.has_alpha()) in = in.bandjoin(255);
+    if (!in.has_alpha())
+      in = in.bandjoin(255);
 
     int width = in.width();
     int pageHeight = vips_image_get_page_height(in.get_image());

natives/image.cc

@@ -3,6 +3,8 @@
 #include <napi.h>
 #include <map>
 #include <string>
+#include <iostream>
+#include <any>
 
 #include "blur.h"
 #include "colors.h"
@@ -42,7 +44,6 @@
 #include "watermark.h"
 #include "whisper.h"
 #include "zamn.h"
-#include <iostream>
 
 #ifdef _WIN32
 #include <Magick++.h>
@@ -51,10 +52,10 @@
 
 using namespace std;
 
-std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize)> FunctionMap = {
-	{"caption", &Caption},
-	{"caption2", &CaptionTwo},
+std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize)> FunctionMap = {
   {"blur", &Blur},
+	{"caption", &Caption},
+	{"captionTwo", &CaptionTwo},
 	{"circle", &Circle},
 	{"colors", &Colors},
 	{"crop", &Crop},
@@ -62,8 +63,8 @@ std::map<std::string, char* (*)(string type, char* BufferData, size_t BufferLeng
 	{"explode", &Explode},
 	{"flag", &Flag},
   {"flip", &Flip},
-  {"watermark", &Watermark},
-	{"uncaption", &Uncaption}
+	{"uncaption", &Uncaption},
+  {"watermark", &Watermark}
 };
 
 std::map<std::string, Napi::Value (*)(const Napi::CallbackInfo &info)> OldFunctionMap = {
@@ -94,6 +95,17 @@ std::map<std::string, Napi::Value (*)(const Napi::CallbackInfo &info)> OldFuncti
   {"zamn", Zamn}
 };
 
+bool isNapiValueInt(Napi::Env& env, Napi::Value& num) {
+  return env.Global()
+      .Get("Number")
+      .ToObject()
+      .Get("isInteger")
+      .As<Napi::Function>()
+      .Call({num})
+      .ToBoolean()
+      .Value();
+}
+
 Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
   Napi::Env env = info.Env();
   Napi::Object result = Napi::Object::New(env);
@@ -106,7 +118,7 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
 
     Napi::Array properties = obj.GetPropertyNames();
 
-    std::map<string, string> Arguments;
+    std::map<string, any> Arguments;
 
     for (unsigned int i = 0; i < properties.Length(); i++) {
       string property = properties.Get(uint32_t(i)).As<Napi::String>().Utf8Value();
@@ -115,7 +127,21 @@ Napi::Value NewProcessImage(const Napi::CallbackInfo &info) {
         continue;
       }
 
-      Arguments[property] = obj.Get(property).ToString().As<Napi::String>().Utf8Value();
+      auto val = obj.Get(property);
+      if (val.IsBoolean()) {
+        Arguments[property] = val.ToBoolean().Value();
+      } else if (val.IsString()) {
+        Arguments[property] = val.ToString().As<Napi::String>().Utf8Value();
+      } else if (val.IsNumber()) {
+        auto num = val.ToNumber();
+        if (isNapiValueInt(env, num)) {
+          Arguments[property] = num.Int32Value();
+        } else {
+          Arguments[property] = num.FloatValue();
+        }
+      } else {
+        Arguments[property] = val;
+      }
     }
 
     size_t length = 0;
@@ -159,6 +185,21 @@ Napi::Object Init(Napi::Env env, Napi::Object exports){
         vips_error_exit(NULL);
     exports.Set(Napi::String::New(env, "image"), Napi::Function::New(env, ProcessImage)); // new function handler
 
+    Napi::Array arr = Napi::Array::New(env);
+    size_t i = 0;
+    for (auto const& imap: FunctionMap) {
+      Napi::HandleScope scope(env);
+      arr[i] = Napi::String::New(env, imap.first);
+      i++;
+    }
+    for(auto const& imap: OldFunctionMap) {
+      Napi::HandleScope scope(env);
+      arr[i] = Napi::String::New(env, imap.first);
+      i++;
+    }
+
+    exports.Set(Napi::String::New(env, "funcs"), arr);
+
     return exports;
 }
 

natives/uncaption.cc

@@ -1,24 +1,26 @@
 #include "common.h"
 
-#include <vips/vips8>
 #include <map>
+#include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Uncaption(string type, char *BufferData, size_t BufferLength,
+                map<string, any> Arguments, size_t *DataSize) {
 
-    float tolerance = MAP_HAS(Arguments, "tolerance")
-                          ? stof(Arguments["tolerance"])
-                          : 0.5;
+  float tolerance = MAP_GET_FALLBACK(Arguments, "tolerance", float, 0.5);
 
   VOption *options = VImage::option();
 
   VImage in =
-        VImage::new_from_buffer(BufferData, BufferLength, "",
-                                type == "gif" ? options->set("n", -1)->set("access", "sequential") : options)
+      VImage::new_from_buffer(
+          BufferData, BufferLength, "",
+          type == "gif" ? options->set("n", -1)->set("access", "sequential")
+                        : options)
           .colourspace(VIPS_INTERPRETATION_sRGB);
-    if (!in.has_alpha()) in = in.bandjoin(255);
+  if (!in.has_alpha())
+    in = in.bandjoin(255);
 
   int width = in.width();
   int pageHeight = vips_image_get_page_height(in.get_image());
@@ -37,8 +39,7 @@ char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string,
     top = 0;
   }
   for (int i = 0; i < nPages; i++) {
-      VImage img_frame =
-          in.crop(0, (i * pageHeight) + top, width, newHeight);
+    VImage img_frame = in.crop(0, (i * pageHeight) + top, width, newHeight);
     img.push_back(img_frame);
   }
   VImage final = VImage::arrayjoin(img, VImage::option()->set("across", 1));
@@ -47,8 +48,8 @@ char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string,
   void *buf;
   final.write_to_buffer(
       ("." + type).c_str(), &buf, DataSize,
-        type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)  : 0);
-
+      type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
+                    : 0);
 
   vips_error_clear();
   vips_thread_shutdown();

natives/uncaption.h

@@ -1,5 +1,11 @@
 #pragma once
 
+#include <any>
 #include <map>
+#include <string>
 
-char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+using std::any;
+using std::map;
+using std::string;
+
+char* Uncaption(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);

natives/watermark.cc

@@ -1,27 +1,29 @@
 #include "common.h"
 
-#include <vips/vips8>
 #include <map>
+#include <vips/vips8>
 
 using namespace std;
 using namespace vips;
 
-char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize) {
+char *Watermark(string type, char *BufferData, size_t BufferLength,
+                map<string, any> Arguments, size_t *DataSize) {
 
-    string water = Arguments["water"];
-    int gravity = stoi(Arguments["gravity"]);
+  string water = MAP_GET(Arguments, "water", string);
+  int gravity = MAP_GET(Arguments, "gravity", int);
 
-    bool resize = MAP_HAS(Arguments, "resize") ? Arguments["resize"] == "true" : false;;
-    float yscale = MAP_HAS(Arguments, "yscale") ? stof(Arguments["yscale"]) : false;
+  bool resize = MAP_GET_FALLBACK(Arguments, "resize", bool, false);
+  ;
+  float yscale = MAP_GET_FALLBACK(Arguments, "yscale", float, false);
 
-    bool append = MAP_HAS(Arguments, "append") ? Arguments["append"] == "true" : false;
+  bool append = MAP_GET_FALLBACK(Arguments, "append", bool, false);
 
-    bool alpha = MAP_HAS(Arguments, "alpha") ? Arguments["alpha"] == "true" : false;
-    bool flip = MAP_HAS(Arguments, "flip") ? Arguments["flip"] == "true" : false;
+  bool alpha = MAP_GET_FALLBACK(Arguments, "alpha", bool, false);
+  bool flip = MAP_GET_FALLBACK(Arguments, "flip", bool, false);
 
   bool mc = MAP_HAS(Arguments, "mc");
 
-    string basePath = Arguments["basePath"];
+  string basePath = MAP_GET(Arguments, "basePath", string);
 
   VOption *options = VImage::option()->set("access", "sequential");
 
@@ -29,7 +31,8 @@ char* Watermark(string type, char* BufferData, size_t BufferLength, map<string,
       VImage::new_from_buffer(BufferData, BufferLength, "",
                               type == "gif" ? options->set("n", -1) : options)
           .colourspace(VIPS_INTERPRETATION_sRGB);
-    if (!in.has_alpha()) in = in.bandjoin(255);
+  if (!in.has_alpha())
+    in = in.bandjoin(255);
 
   string merged = basePath + water;
   VImage watermark = VImage::new_from_file(merged.c_str());
@@ -117,8 +120,7 @@ char* Watermark(string type, char* BufferData, size_t BufferLength, map<string,
           frameAlpha = watermark.extract_band(1).embed(
               x, y, width, pageHeight,
               VImage::option()->set("extend", "black"));
-            bg =
-                frameAlpha.new_from_image({0, 0, 0}).copy(VImage::option()->set(
+          bg = frameAlpha.new_from_image({0, 0, 0}).copy(VImage::option()->set(
               "interpretation", VIPS_INTERPRETATION_sRGB));
           frame = bg.bandjoin(frameAlpha);
           if (type == "jpg" || type == "jpeg") {
@@ -146,7 +148,8 @@ char* Watermark(string type, char* BufferData, size_t BufferLength, map<string,
   void *buf;
   final.write_to_buffer(
       ("." + type).c_str(), &buf, DataSize,
-        type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)  : 0);
+      type == "gif" ? VImage::option()->set("dither", 0)->set("reoptimise", 1)
+                    : 0);
 
   vips_error_clear();
   vips_thread_shutdown();

natives/watermark.h

@@ -1,5 +1,11 @@
 #pragma once
 
-#include <napi.h>
+#include <any>
+#include <map>
+#include <string>
 
-char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, string> Arguments, size_t* DataSize);
+using std::any;
+using std::map;
+using std::string;
+
+char* Watermark(string type, char* BufferData, size_t BufferLength, map<string, any> Arguments, size_t* DataSize);