Add index location for indexed color mode

Index location is now added to the Aseprite object via the `paletteIndex`. If the Aseprite file is indexed, it will add the index into the `Palette` object as the `index` property.

.gitignore

@@ -1 +1,3 @@
-test/*
+test/*
+.DS_STORE
+package-lock.json

.npmignore

@@ -0,0 +1,4 @@
+test/*
+.git/*
+.DS_STORE
+package-lock.json

Aseprite.js

@@ -11,6 +11,7 @@ class Aseprite {
     this.width;
     this.height;
     this.colorDepth;
+    this.paletteIndex;
     this.numColors;
     this.pixelRatio;
     this.name = name;
@@ -100,7 +101,9 @@ class Aseprite {
     this.width = this.readNextWord();
     this.height = this.readNextWord();
     this.colorDepth = this.readNextWord();
-    this.skipBytes(18);
+    this.skipBytes(14);
+    this.paletteIndex = this.readNextByte();
+    this.skipBytes(3);
     this.numColors = this.readNextWord();
     const pixW = this.readNextByte();
     const pixH = this.readNextByte();
@@ -212,10 +215,14 @@ class Aseprite {
         name: name !== undefined ? name : "none"
       });
     }
-    return { paletteSize,
+    let palette = {
+      paletteSize,
       firstColor,
       lastColor: secondColor,
-      colors };
+      colors
+    }
+    this.colorDepth === 8 ? palette.index = this.paletteIndex : '';
+    return palette;
   }
   readLayerChunk() {
     const flags = this.readNextWord();

README.md

@@ -123,6 +123,7 @@ aseFile.parse();
 | width        | integer                | width (in pixels)                      |
 | height       | integer                | height (in pixels)                     |
 | colorDepth   | integer                | color depth (in bits per pixel)        |
+| paletteIndex | integer            | position of the indexed color based on the palette |
 | numColors    | integer                | number of colors                       |
 | pixelRatio   | string                 | width:height                           |
 | name         | string                 | name of the file                       |
@@ -171,6 +172,7 @@ aseFile.parse();
 | firstColor  | integer                | index of the first color |
 | lastColor   | integer                | index of the last color  |
 | colors      | array of [color](#color-object) objects | colors                   |
+| index?      | integer                | position of the indexed color based on the palette |
 
 ## Cel Object
 | Field      | Type    | Description                                  |

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ase-parser",
-  "version": "0.0.10",
+  "version": "0.0.12",
   "description": "Parser for Aseprite files",
   "main": "Aseprite.js",
   "typings": "./typings/Aseprite.d.ts",

typings/Aseprite.d.ts

@@ -3,6 +3,12 @@ declare class Aseprite {
   layers: Array<Aseprite.Layer>;
   tags: Array<Aseprite.Tag>;
   palette: Aseprite.Palette;
+  colorProfile: Aseprite.ColorProfile;
+  name: string;
+  paletteIndex: number;
+  colorDepth: number;
+  pixelRatio: string;
+  numColors: number;
   fileSize: number;
   width: number;
   height: number;
@@ -26,6 +32,7 @@ declare namespace Aseprite {
     firstColor: number;
     lastColor: number;
     colors: Array<Color>;
+    index?: number;
   }
   export interface Color {
     red: number;
@@ -65,4 +72,10 @@ declare namespace Aseprite {
     numChunks: number;
     cels: Array<Cel>;
   }
+  export interface ColorProfile {
+    type: string;
+    flag: number;
+    fGamma: number;
+    icc?: Buffer;
+  }
 }