(#204) Introduced additional id property to images

Author: s1hofmann

Diff for: lib/image.class.ts

@@ -2,33 +2,35 @@
  * The {@link Image} class represents generic image data
  */
 export class Image {
-  /**
-   * {@link Image} class constructor
-   * @param width {@link Image} width in pixels
-   * @param height {@link Image} height in pixels
-   * @param data Generic {@link Image} data
-   * @param channels Amount of {@link Image} channels
-   * @param pixelDensity Object containing scale info to work with e.g. Retina display data where the reported display size and pixel size differ (Default: {scaleX: 1.0, scaleY: 1.0})
-   */
-  constructor(
-    public readonly width: number,
-    public readonly height: number,
-    public readonly data: any,
-    public readonly channels: number,
-    public readonly pixelDensity: { scaleX: number; scaleY: number } = {
-      scaleX: 1.0,
-      scaleY: 1.0,
-    },
-  ) {
-    if (channels <= 0) {
-      throw new Error("Channel <= 0");
+    /**
+     * {@link Image} class constructor
+     * @param width {@link Image} width in pixels
+     * @param height {@link Image} height in pixels
+     * @param data Generic {@link Image} data
+     * @param channels Amount of {@link Image} channels
+     * @param id Image identifier
+     * @param pixelDensity Object containing scale info to work with e.g. Retina display data where the reported display size and pixel size differ (Default: {scaleX: 1.0, scaleY: 1.0})
+     */
+    constructor(
+        public readonly width: number,
+        public readonly height: number,
+        public readonly data: any,
+        public readonly channels: number,
+        public readonly id: string,
+        public readonly pixelDensity: { scaleX: number; scaleY: number } = {
+            scaleX: 1.0,
+            scaleY: 1.0,
+        },
+    ) {
+        if (channels <= 0) {
+            throw new Error("Channel <= 0");
+        }
     }
-  }
 
-  /**
-   * {@link hasAlphaChannel} return true if an {@link Image} has an additional (fourth) alpha channel
-   */
-  public get hasAlphaChannel() {
-    return this.channels > 3;
-  }
+    /**
+     * {@link hasAlphaChannel} return true if an {@link Image} has an additional (fourth) alpha channel
+     */
+    public get hasAlphaChannel() {
+        return this.channels > 3;
+    }
 }