Scaffolding

index.js

@@ -0,0 +1,7 @@
+'use strict';
+
+const fs = require('fs');
+
+var read = require(`${__dirname}/lib/read-file.js`);
+var write = require(`${__dirname}/lib/write-file.js`);
+var transform = require(`${__dirname}/lib/transform.js`);

lib/read-file.js

@@ -0,0 +1,12 @@
+'use strict';
+
+const fs = require('fs');
+const Bitmap = require('../model/bitmap-constructor.js');
+
+module.exports = function(inputFile, cb) {
+  fs.readFile(inputFile, function(err, data) {
+    if(err) console.error(err);
+    var result = new Bitmap(data);
+    cb(null, result);
+  };
+};

lib/write-file.js

@@ -0,0 +1,11 @@
+'use strict';
+
+const fs = require('fs');
+
+module.exports = function(path, bitmap, callback) {
+  fs.writeFile(path, bitmap.buff, function(err) {
+    if(err) return callback(err);
+    callback(null, bitmap.buff);
+  });
+};
+

model/bitmap-constructor.js

@@ -0,0 +1,28 @@
+'use strict';
+
+const fs = require('fs');
+
+//Gets bitmap data and put into construtor
+const Bitmap = module.exports = function(data) {
+  this.data = data;
+  this.id = data.toString('utf-8', 0, 2);
+  this.size = data.readUInt32LE(2);
+  this.height = data.readUInt32LE(18);
+  this.width = data.readUInt32LE(22);
+  this.pixelOffSet = data.readUInt32LE(10);
+  this.colorArray = data.readUInt32LE(54, this.pixelOffSet);
+};
+
+//blackout
+Bitmap.prototype.blackOut = function() {
+  this.colorArray.fill(0);
+};
+
+//reverse
+Bitmap.prototype.reversed = function() {
+  this.pixelOffSet.reverse();
+};
+
+
+
+