From 3dceadba02fc109a822550c21276301f11124597 Mon Sep 17 00:00:00 2001
From: mster <michaelsterpka@gmail.com>
Date: Sat, 4 Jul 2020 18:48:39 -0700
Subject: [PATCH] v1.2.0

---
 lib/modes/vana.js     | 36 +++++++++++++++++++++++++++++++++
 lib/modes/veneneux.js | 47 +++++++++++++++++++++++++++++++++++++++++++
 lib/mosh.js           | 20 +++++++++---------
 package-lock.json     |  2 +-
 package.json          | 10 +++++++--
 5 files changed, 103 insertions(+), 12 deletions(-)
 create mode 100644 lib/modes/vana.js
 create mode 100644 lib/modes/veneneux.js

diff --git a/lib/modes/vana.js b/lib/modes/vana.js
new file mode 100644
index 0000000..6181526
--- /dev/null
+++ b/lib/modes/vana.js
@@ -0,0 +1,36 @@
+'use strict'
+
+module.exports = function (original) {
+  const rand = Math.random
+  const max = Math.max
+  const min = Math.min
+
+  const bitmapData = original.bitmap.data
+  const data = Buffer.from(bitmapData)
+
+  function giveSeed () {
+    const seed = [0, 0, 0]
+
+    const ind1 = Math.floor(rand() * 3)
+    const ind2 = Math.floor(rand() * 3)
+
+    seed[ind1] = max(rand(), 0.3)
+    if (rand() > 0.5) seed[ind2] = max(rand(), 0.3)
+
+    return seed
+  }
+
+  const seed = giveSeed()
+
+  for (let i = 0; i < data.length; i += 4) {
+    /* RED = */
+    data[i + 0] = min(data[i] * seed[0] + 100 * seed[2], 255)
+    /* GREEN = */
+    data[i + 1] = min(data[i + 1] * seed[1] + 100 * seed[0], 255)
+    /* BLUE = */
+    data[i + 2] = min(data[i + 2] * seed[2] + 100 * seed[1], 255)
+  }
+
+  original.bitmap.data = data
+  return original
+}
diff --git a/lib/modes/veneneux.js b/lib/modes/veneneux.js
new file mode 100644
index 0000000..533262c
--- /dev/null
+++ b/lib/modes/veneneux.js
@@ -0,0 +1,47 @@
+'use strict'
+
+module.exports = function (original) {
+  const rand = Math.random
+  const max = Math.max
+
+  const bitmapData = original.bitmap.data
+  const data = Buffer.from(bitmapData)
+
+  const { width, height } = original.bitmap
+
+  function giveSeed () {
+    const seed = [0, 0, 0]
+
+    const ind1 = Math.floor(rand() * 3)
+    const ind2 = Math.floor(rand() * 3)
+
+    seed[ind1] = max(rand(), 0.1)
+    if (rand() > 0.5) seed[ind2] = max(rand(), 0.1)
+
+    return seed
+  }
+
+  let pixel = 0
+  let seed = giveSeed()
+  let seedChange = 2
+
+  for (let i = 0; i < data.length; i += 4) {
+    if (pixel % (width * 4) === 0) {
+      seedChange--
+      if (seedChange === 0) {
+        seed = giveSeed()
+        seedChange = Math.floor((rand() * height) / 4)
+      }
+    }
+
+    data[i + 0] = data[i + 0] * seed[0] + 1000 * seed[2]
+    data[i + 1] = data[i + 1] * seed[1] + 1000 * seed[1]
+    data[i + 2] = data[i + 2] * seed[2] + 1000 * seed[0]
+    data[i + 3] = 1
+
+    pixel++
+  }
+
+  original.bitmap.data = data
+  return original
+}
diff --git a/lib/mosh.js b/lib/mosh.js
index ee3beba..72faa53 100644
--- a/lib/mosh.js
+++ b/lib/mosh.js
@@ -24,12 +24,12 @@ function mosh (options, cb) {
   if (
     !(
       filename.length < 256 &&
-      (/^[a-zA-Z0-9]*.jpg$/.test(filename) ||
-        /^[a-zA-Z0-9]*.jpeg$/.test(filename) ||
-        /^[a-zA-Z0-9]*.png$/.test(filename) ||
-        /^[a-zA-Z0-9]*.bmp$/.test(filename) ||
-        /^[a-zA-Z0-9]*.tiff$/.test(filename) ||
-        /^[a-zA-Z0-9]*.gif$/.test(filename))
+      (/^[\w\-. ]+.jpg$/.test(filename) ||
+        /^[\w\-. ]+.jpeg$/.test(filename) ||
+        /^[\w\-. ]+.png$/.test(filename) ||
+        /^[\w\-. ]+.bmp$/.test(filename) ||
+        /^[\w\-. ]+*.tiff$/.test(filename) ||
+        /^[\w\-. ]+.gif$/.test(filename))
     )
   ) {
     cb(new MoshError('Only *.jpg OR *.jpeg file formats are supported.'))
@@ -40,8 +40,8 @@ function mosh (options, cb) {
   const _mode =
     mode == null
       ? Object.keys(mosh.MODES)[
-        Math.floor(Math.random() * Object.keys(mosh.MODES).length)
-      ]
+          Math.floor(Math.random() * Object.keys(mosh.MODES).length)
+        ]
       : mode
   debug(`Mode selected: ${_mode}`)
 
@@ -73,5 +73,7 @@ function mosh (options, cb) {
 
 mosh.MODES = {
   blurbobb: require('./modes/blurbobb'),
-  schifty: require('./modes/schifty')
+  schifty: require('./modes/schifty'),
+  veneneux: require('./modes/veneneux'),
+  vana: require('./modes/vana')
 }
diff --git a/package-lock.json b/package-lock.json
index 6757a39..8a25cb3 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,6 +1,6 @@
 {
   "name": "datamosh",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
diff --git a/package.json b/package.json
index 7b99ac2..7ed13d9 100644
--- a/package.json
+++ b/package.json
@@ -1,8 +1,14 @@
 {
   "name": "datamosh",
-  "version": "1.1.0",
+  "version": "1.2.0",
   "description": "Datamosh images",
-  "keywords": ["datamost", "mosh", "jpg", "png", "glitch"],
+  "keywords": [
+    "datamost",
+    "mosh",
+    "jpg",
+    "png",
+    "glitch"
+  ],
   "author": "Michael Sterpka <michaelsterpka@gmail.com>",
   "license": "MIT",
   "repository": {