Added snapchat, prevent image queue packet from being sent twice

commands/image-editing/snapchat.js

@@ -0,0 +1,21 @@
+const ImageCommand = require("../../classes/imageCommand.js");
+
+class SnapchatCommand extends ImageCommand {
+  params(args, url) {
+    const newArgs = args.filter(item => !item.includes(url));
+    return {
+      caption: newArgs.join(" ").replaceAll("&", "\\&amp;").replaceAll(">", "\\&gt;").replaceAll("<", "\\&lt;").replaceAll("\"", "\\&quot;").replaceAll("'", "\\&apos;").replaceAll("%", "\\%")
+    };
+  }
+
+  static description = "Adds a Snapchat style caption to an image";
+  static aliases = ["snap", "caption3"];
+  static arguments = ["[text]"];
+
+  static requiresText = true;
+  static noText = "You need to provide some text to add a caption!";
+  static noImage = "You need to provide an image to add a caption!";
+  static command = "snapchat";
+}
+
+module.exports = SnapchatCommand;

natives/image.cc

@@ -26,6 +26,7 @@
 #include "retro.h"
 #include "reverse.h"
 #include "scott.h"
+#include "snapchat.h"
 #include "speed.h"
 #include "sonic.h"
 #include "spin.h"
@@ -63,6 +64,7 @@ Napi::Object Init(Napi::Env env, Napi::Object exports)
   exports.Set(Napi::String::New(env, "retro"), Napi::Function::New(env, Retro));
   exports.Set(Napi::String::New(env, "reverse"), Napi::Function::New(env, Reverse));
   exports.Set(Napi::String::New(env, "scott"), Napi::Function::New(env, Scott));
+  exports.Set(Napi::String::New(env, "snapchat"), Napi::Function::New(env, Snapchat));
   exports.Set(Napi::String::New(env, "speed"), Napi::Function::New(env, Speed));
   exports.Set(Napi::String::New(env, "sonic"), Napi::Function::New(env, Sonic));
   exports.Set(Napi::String::New(env, "spin"), Napi::Function::New(env, Spin));

natives/snapchat.cc

@@ -0,0 +1,73 @@
+#include <Magick++.h>
+#include <napi.h>
+
+#include <list>
+
+using namespace std;
+using namespace Magick;
+
+Napi::Value Snapchat(const Napi::CallbackInfo &info) {
+  Napi::Env env = info.Env();
+
+  try {
+    Napi::Object obj = info[0].As<Napi::Object>();
+    Napi::Buffer<char> data = obj.Get("data").As<Napi::Buffer<char>>();
+    string caption = obj.Get("caption").As<Napi::String>().Utf8Value();
+    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;
+    list<Image> captioned;
+    Blob caption_blob;
+    readImages(&frames, Blob(data.Data(), data.Length()));
+
+    size_t width = frames.front().baseColumns();
+    string query(to_string(width - ((width / 25) * 2)) + "x");
+    Image caption_image(Geometry(query), Color("none"));
+    caption_image.backgroundColor(Color("none"));
+    caption_image.fillColor("white");
+    caption_image.font("Helvetica Neue");
+    caption_image.fontPointsize(width / 25);
+    caption_image.textGravity(Magick::CenterGravity);
+    caption_image.read("pango:" + caption);
+    caption_image.backgroundColor(Color("rgba(0, 0, 0, 0.7)"));
+    caption_image.extent(Geometry(width, caption_image.rows() + (width / 25)),
+                         Magick::CenterGravity);
+
+    coalesceImages(&coalesced, frames.begin(), frames.end());
+
+    for (Image &image : coalesced) {
+      list<Image> images;
+      image.composite(caption_image, Magick::CenterGravity,
+                      Magick::OverCompositeOp);
+      image.magick(type);
+      image.animationDelay(delay == 0 ? image.animationDelay() : delay);
+      captioned.push_back(image);
+    }
+
+    optimizeTransparency(captioned.begin(), captioned.end());
+
+    if (type == "gif") {
+      for (Image &image : captioned) {
+        image.quantizeDither(false);
+        image.quantize();
+      }
+    }
+
+    writeImages(captioned.begin(), captioned.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());
+  } catch (...) {
+    throw Napi::Error::New(env, "Unknown error");
+  }
+}

natives/snapchat.h

@@ -0,0 +1,8 @@
+#ifndef ESMBOT_NATIVES_SNAPCHAT_H_
+#define ESMBOT_NATIVES_SNAPCHAT_H_
+
+#include <napi.h>
+
+Napi::Value Snapchat(const Napi::CallbackInfo& info);
+
+#endif

utils/image.js

@@ -182,7 +182,7 @@ const start = (object, num) => {
           const res = start(object, num);
           reject(res); // this is done to differentiate the result from a step
         });
-      }
+      } else {
         currentServer.write(data, (err) => {
           if (err) {
             if (err.code === "EPIPE") {
@@ -198,6 +198,7 @@ const start = (object, num) => {
             resolve(currentServer.remoteAddress);
           }
         });
+      }
     });
   }).catch((result) => {
     throw result;