Added grayscale and sepia

.gitignore

@@ -38,4 +38,5 @@ todo.txt
 .vscode/
 migratedb.js
 processed.txt
-data.sqlite
+data.sqlite
+.cache

commands/image-editing/blurple.js

@@ -3,7 +3,8 @@ import ImageCommand from "../../classes/imageCommand.js";
 class BlurpleCommand extends ImageCommand {
   params() {
     return {
-      old: !!this.specialArgs.old
+      old: !!this.specialArgs.old,
+      color: "blurple"
     };
   }
   
@@ -14,8 +15,8 @@ class BlurpleCommand extends ImageCommand {
   }];
 
   static noImage = "You need to provide an image to make blurple!";
-  static command = "blurple";
+  static command = "colors";
   static aliases = ["blurp"];
 }
 
-export default BlurpleCommand;
+export default BlurpleCommand;

commands/image-editing/grayscale.js

@@ -0,0 +1,17 @@
+import ImageCommand from "../../classes/imageCommand.js";
+
+class GrayscaleCommand extends ImageCommand {
+  params() {
+    return {
+      color: "grayscale"
+    };
+  }
+
+  static description = "Adds a grayscale filter";
+
+  static noImage = "You need to provide an image to turn grayscale!";
+  static command = "colors";
+  static aliases = ["gray", "greyscale", "grey"];
+}
+
+export default GrayscaleCommand;

commands/image-editing/sepia.js

@@ -0,0 +1,16 @@
+import ImageCommand from "../../classes/imageCommand.js";
+
+class SepiaCommand extends ImageCommand {
+  params() {
+    return {
+      color: "sepia"
+    };
+  }
+
+  static description = "Adds a sepia filter";
+
+  static noImage = "You need to provide an image to add a sepia filter!";
+  static command = "colors";
+}
+
+export default SepiaCommand;

natives/blurple.h

@@ -1,5 +0,0 @@
-#pragma once
-
-#include <napi.h>
-
-Napi::Value Blurple(const Napi::CallbackInfo& info);

natives/colors.cc

@@ -7,7 +7,7 @@
 using namespace std;
 using namespace Magick;
 
-Napi::Value Blurple(const Napi::CallbackInfo &info) {
+Napi::Value Colors(const Napi::CallbackInfo &info) {
   Napi::Env env = info.Env();
 
   try {
@@ -15,6 +15,7 @@ Napi::Value Blurple(const Napi::CallbackInfo &info) {
     Napi::Buffer<char> data = obj.Get("data").As<Napi::Buffer<char>>();
     bool old =
         obj.Has("old") ? obj.Get("old").As<Napi::Boolean>().Value() : false;
+    string color = obj.Get("color").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;
@@ -23,7 +24,7 @@ Napi::Value Blurple(const Napi::CallbackInfo &info) {
 
     list<Image> frames;
     list<Image> coalesced;
-    list<Image> blurpled;
+    list<Image> colored;
     try {
       readImages(&frames, Blob(data.Data(), data.Length()));
     } catch (Magick::WarningCoder &warning) {
@@ -34,23 +35,30 @@ Napi::Value Blurple(const Napi::CallbackInfo &info) {
     coalesceImages(&coalesced, frames.begin(), frames.end());
 
     for (Image &image : coalesced) {
-      image.threshold(49151.25);
-      image.levelColors(old ? "#7289DA" : "#5865F2", "white");
+      if (color == "blurple") {
+        image.threshold(49151.25);
+        image.levelColors(old ? "#7289DA" : "#5865F2", "white");
+      } else if (color == "grayscale") {
+        image.quantizeColorSpace(GRAYColorspace);
+        image.quantizeColors(256);
+      } else if (color == "sepia") {
+        image.sepiaTone(49151.25);
+      }
       image.magick(type);
       image.animationDelay(delay == 0 ? image.animationDelay() : delay);
-      blurpled.push_back(image);
+      colored.push_back(image);
     }
 
-    optimizeTransparency(blurpled.begin(), blurpled.end());
+    optimizeTransparency(colored.begin(), colored.end());
 
     if (type == "gif") {
-      for (Image &image : blurpled) {
+      for (Image &image : colored) {
         image.quantizeDitherMethod(FloydSteinbergDitherMethod);
         image.quantize();
       }
     }
 
-    writeImages(blurpled.begin(), blurpled.end(), &blob);
+    writeImages(colored.begin(), colored.end(), &blob);
 
     Napi::Object result = Napi::Object::New(env);
     result.Set("data", Napi::Buffer<char>::Copy(env, (char *)blob.data(),
@@ -62,4 +70,4 @@ Napi::Value Blurple(const Napi::CallbackInfo &info) {
   } catch (...) {
     throw Napi::Error::New(env, "Unknown error");
   }
-}
+}

natives/colors.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <napi.h>
+
+Napi::Value Colors(const Napi::CallbackInfo& info);

natives/image.cc

@@ -1,7 +1,7 @@
 #include <napi.h>
 #include <list>
 #include "blur.h"
-#include "blurple.h"
+#include "colors.h"
 #include "caption.h"
 #include "caption2.h"
 #include "circle.h"
@@ -43,7 +43,7 @@
 Napi::Object Init(Napi::Env env, Napi::Object exports)
 {
   exports.Set(Napi::String::New(env, "blur"), Napi::Function::New(env, Blur));
-  exports.Set(Napi::String::New(env, "blurple"), Napi::Function::New(env, Blurple));
+  exports.Set(Napi::String::New(env, "colors"), Napi::Function::New(env, Colors));
   exports.Set(Napi::String::New(env, "caption"), Napi::Function::New(env, Caption));
   exports.Set(Napi::String::New(env, "captionTwo"), Napi::Function::New(env, CaptionTwo));
   exports.Set(Napi::String::New(env, "circle"), Napi::Function::New(env, Circle));