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Tidied up Steganography operations. FileType and toBase64 functions now accept ArrayBuffers.

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This commit is contained in:
n1474335 2019-09-04 13:54:59 +01:00
parent 5bc5c0df90
commit eb769c7fb4
28 changed files with 81 additions and 75 deletions
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10
src/core/operations/ExtractRGBA.mjs
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@ -6,7 +6,7 @@
import Operation from "../Operation.mjs";
import OperationError from "../errors/OperationError.mjs";
import { isImage } from "../lib/FileType";
import { isImage } from "../lib/FileType.mjs";
import jimp from "jimp";
import {RGBA_DELIM_OPTIONS} from "../lib/Delim.mjs";
@ -25,8 +25,8 @@ class ExtractRGBA extends Operation {
this.name = "Extract RGBA";
this.module = "Image";
this.description = "Extracts each pixel's RGBA value in an image. These are sometimes used in Steganography to hide text or data.";
this.infoURL = "https://en.wikipedia.org/wiki/RGBA_color_space";
this.inputType = "byteArray";
this.infoURL = "https://wikipedia.org/wiki/RGBA_color_space";
this.inputType = "ArrayBuffer";
this.outputType = "string";
this.args = [
{
@ -43,7 +43,7 @@ class ExtractRGBA extends Operation {
}
/**
* @param {byteArray} input
* @param {ArrayBuffer} input
* @param {Object[]} args
* @returns {string}
*/
@ -52,7 +52,7 @@ class ExtractRGBA extends Operation {
const delimiter = args[0],
includeAlpha = args[1],
parsedImage = await jimp.read(Buffer.from(input));
parsedImage = await jimp.read(input);
let bitmap = parsedImage.bitmap.data;
bitmap = includeAlpha ? bitmap : bitmap.filter((val, idx) => idx % 4 !== 3);