Delete BlurImage.mjs

src/core/operations/BlurImage.mjs

@@ -1,112 +0,0 @@
-/**
- * @author j433866 [j433866@gmail.com]
- * @copyright Crown Copyright 2019
- * @license Apache-2.0
- */
-
-import Operation from "../Operation.mjs";
-import OperationError from "../errors/OperationError.mjs";
-import { isWorkerEnvironment } from "../Utils.mjs";
-import { isImage } from "../lib/FileType.mjs";
-import { toBase64 } from "../lib/Base64.mjs";
-import jimp from "jimp";
-import { gaussianBlur } from "../lib/ImageManipulation.mjs";
-
-/**
- * Blur Image operation
- */
-class BlurImage extends Operation {
-
-    /**
-     * BlurImage constructor
-     */
-    constructor() {
-        super();
-
-        this.name = "Blur Image";
-        this.module = "Image";
-        this.description = "Applies a blur effect to the image.<br><br>Gaussian blur is much slower than fast blur, but produces better results.";
-        this.infoURL = "https://wikipedia.org/wiki/Gaussian_blur";
-        this.inputType = "ArrayBuffer";
-        this.outputType = "ArrayBuffer";
-        this.presentType = "html";
-        this.args = [
-            {
-                name: "Amount",
-                type: "number",
-                value: 5,
-                min: 1
-            },
-            {
-                name: "Type",
-                type: "option",
-                value: ["Fast", "Gaussian"]
-            }
-        ];
-    }
-
-    /**
-     * @param {ArrayBuffer} input
-     * @param {Object[]} args
-     * @returns {byteArray}
-     */
-    async run(input, args) {
-        const [blurAmount, blurType] = args;
-
-        if (!isImage(input)) {
-            throw new OperationError("Invalid file type.");
-        }
-
-        let image;
-        try {
-            image = await jimp.read(input);
-        } catch (err) {
-            throw new OperationError(`Error loading image. (${err})`);
-        }
-        try {
-            switch (blurType) {
-                case "Fast":
-                    if (isWorkerEnvironment())
-                        self.sendStatusMessage("Fast blurring image...");
-                    image.blur(blurAmount);
-                    break;
-                case "Gaussian":
-                    if (isWorkerEnvironment())
-                        self.sendStatusMessage("Gaussian blurring image...");
-                    image = gaussianBlur(image, blurAmount);
-                    break;
-            }
-
-            let imageBuffer;
-            if (image.getMIME() === "image/gif") {
-                imageBuffer = await image.getBufferAsync(jimp.MIME_PNG);
-            } else {
-                imageBuffer = await image.getBufferAsync(jimp.AUTO);
-            }
-            return imageBuffer.buffer;
-        } catch (err) {
-            throw new OperationError(`Error blurring image. (${err})`);
-        }
-    }
-
-    /**
-     * Displays the blurred image using HTML for web apps
-     *
-     * @param {ArrayBuffer} data
-     * @returns {html}
-     */
-    present(data) {
-        if (!data.byteLength) return "";
-        const dataArray = new Uint8Array(data);
-
-        const type = isImage(dataArray);
-        if (!type) {
-            throw new OperationError("Invalid file type.");
-        }
-
-        return `<img src="data:${type};base64,${toBase64(dataArray)}">`;
-    }
-
-}
-
-export default BlurImage;