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2025-08-12 15:04:01 +08:00
parent df3f5f5269
commit 6708fb8eeb
544 changed files with 75169 additions and 17 deletions
@@ -0,0 +1,48 @@
+// Encoding documentation
+// https://en.wikipedia.org/wiki/MSI_Barcode#Character_set_and_binary_lookup
+
+import Barcode from "../Barcode.js";
+
+class MSI extends Barcode{
+	constructor(data, options){
+		super(data, options);
+	}
+
+	encode(){
+		// Start bits
+		var ret = "110";
+
+		for(var i = 0; i < this.data.length; i++){
+			// Convert the character to binary (always 4 binary digits)
+			var digit = parseInt(this.data[i]);
+			var bin = digit.toString(2);
+			bin = addZeroes(bin, 4 - bin.length);
+
+			// Add 100 for every zero and 110 for every 1
+			for(var b = 0; b < bin.length; b++){
+				ret += bin[b] == "0" ? "100" : "110";
+			}
+		}
+
+		// End bits
+		ret += "1001";
+
+		return {
+			data: ret,
+			text: this.text
+		};
+	}
+
+	valid(){
+		return this.data.search(/^[0-9]+$/) !== -1;
+	}
+}
+
+function addZeroes(number, n){
+	for(var i = 0; i < n; i++){
+		number = "0" + number;
+	}
+	return number;
+}
+
+export default MSI;
@@ -0,0 +1,10 @@
+import MSI from './MSI.js';
+import {mod10} from './checksums.js';
+
+class MSI10 extends MSI{
+	constructor(data, options){
+		super(data + mod10(data), options);
+	}
+}
+
+export default MSI10;
@@ -0,0 +1,12 @@
+import MSI from './MSI.js';
+import {mod10} from './checksums.js';
+
+class MSI1010 extends MSI{
+	constructor(data, options){
+		data += mod10(data);
+		data += mod10(data);
+		super(data, options);
+	}
+}
+
+export default MSI1010;
@@ -0,0 +1,10 @@
+import MSI from './MSI.js';
+import {mod11} from './checksums.js';
+
+class MSI11 extends MSI{
+	constructor(data, options){
+		super(data + mod11(data), options);
+	}
+}
+
+export default MSI11;
@@ -0,0 +1,12 @@
+import MSI from './MSI.js';
+import {mod10, mod11} from './checksums.js';
+
+class MSI1110 extends MSI{
+	constructor(data, options){
+		data += mod11(data);
+		data += mod10(data);
+		super(data, options);
+	}
+}
+
+export default MSI1110;
@@ -0,0 +1,23 @@
+export function mod10(number){
+	var sum = 0;
+	for(var i = 0; i < number.length; i++){
+		var n = parseInt(number[i]);
+		if((i + number.length) % 2 === 0){
+			sum += n;
+		}
+		else{
+			sum += (n * 2) % 10 + Math.floor((n * 2) / 10);
+		}
+	}
+	return (10 - (sum % 10)) % 10;
+}
+
+export function mod11(number){
+	var sum = 0;
+	var weights = [2, 3, 4, 5, 6, 7];
+	for(var i = 0; i < number.length; i++){
+		var n = parseInt(number[number.length - 1 - i]);
+		sum += weights[i % weights.length] * n;
+	}
+	return (11 - (sum % 11)) % 11;
+}
@@ -0,0 +1,7 @@
+import MSI from './MSI.js';
+import MSI10 from './MSI10.js';
+import MSI11 from './MSI11.js';
+import MSI1010 from './MSI1010.js';
+import MSI1110 from './MSI1110.js';
+
+export {MSI, MSI10, MSI11, MSI1010, MSI1110};