diff --git a/companion-app/capacitor.config.ts b/companion-app/capacitor.config.ts new file mode 100644 index 0000000..8f906c1 --- /dev/null +++ b/companion-app/capacitor.config.ts @@ -0,0 +1,51 @@ +/** + * Capacitor-Konfiguration für die native Hülle. + * + * **Noch nicht in Betrieb.** Die Pakete sind bewusst nicht installiert; diese + * Datei liegt fertig da, damit die Inbetriebnahme nur noch aus den Befehlen in + * `../UMSETZUNGSPLAN.md` Phase 10 Stufe 2 besteht: + * + * npm i -D @capacitor/cli + * npm i @capacitor/core @capacitor/ios @capacitor/android + * npx cap add ios && npx cap add android + * npm run build && npx cap sync + * npx cap open ios # in Xcode signieren und aufs Gerät bauen + * + * Nur Sideload, nie App Store: die Audi-Schrift und die Typenschilder sind + * ausschließlich für diese private Installation freigegeben. + * + * Der Typ ist absichtlich nicht aus @capacitor/cli importiert — das Paket + * fehlt ja noch, und ein toter Import würde die Typprüfung brechen. + */ + +interface CapacitorKonfiguration { + appId: string + appName: string + webDir: string + server?: { androidScheme?: string; iosScheme?: string; cleartext?: boolean } + ios?: { contentInset?: string; backgroundColor?: string } + android?: { backgroundColor?: string } +} + +const konfiguration: CapacitorKonfiguration = { + appId: "app.datametric360", + appName: "DataMetric360", + webDir: "dist", + server: { + // https, damit die App als sicherer Ursprung gilt — sonst verweigern + // Browser-Bausteine wie die Zwischenablage ihren Dienst. + androidScheme: "https", + iosScheme: "https", + }, + ios: { + // Die App zeichnet bis unter die Statusleiste und hält den sicheren + // Bereich selbst über env(safe-area-inset-*) frei. + contentInset: "never", + backgroundColor: "#161b23", + }, + android: { + backgroundColor: "#161b23", + }, +} + +export default konfiguration diff --git a/companion-app/index.html b/companion-app/index.html index 1599a53..8862b87 100644 --- a/companion-app/index.html +++ b/companion-app/index.html @@ -8,6 +8,15 @@ /> + + + + + + + DataMetric360 diff --git a/companion-app/public/apple-touch-icon.png b/companion-app/public/apple-touch-icon.png new file mode 100644 index 0000000..29cdfe1 Binary files /dev/null and b/companion-app/public/apple-touch-icon.png differ diff --git a/companion-app/public/manifest.webmanifest b/companion-app/public/manifest.webmanifest new file mode 100644 index 0000000..aae28cb --- /dev/null +++ b/companion-app/public/manifest.webmanifest @@ -0,0 +1,33 @@ +{ + "name": "DataMetric360", + "short_name": "DM360", + "description": "Fahrzeugdaten, Fahrtenbuch und Tankvorgänge vom eigenen Server.", + "lang": "de", + "dir": "ltr", + "start_url": "./", + "scope": "./", + "display": "standalone", + "orientation": "portrait-primary", + "background_color": "#161b23", + "theme_color": "#161b23", + "icons": [ + { + "src": "./symbol.svg", + "sizes": "any", + "type": "image/svg+xml", + "purpose": "any" + }, + { + "src": "./symbol-192.png", + "sizes": "192x192", + "type": "image/png", + "purpose": "any maskable" + }, + { + "src": "./symbol-512.png", + "sizes": "512x512", + "type": "image/png", + "purpose": "any maskable" + } + ] +} diff --git a/companion-app/public/symbol-192.png b/companion-app/public/symbol-192.png new file mode 100644 index 0000000..108e79b Binary files /dev/null and b/companion-app/public/symbol-192.png differ diff --git a/companion-app/public/symbol-512.png b/companion-app/public/symbol-512.png new file mode 100644 index 0000000..8e4b1c2 Binary files /dev/null and b/companion-app/public/symbol-512.png differ diff --git a/companion-app/public/symbol.svg b/companion-app/public/symbol.svg new file mode 100644 index 0000000..764a621 --- /dev/null +++ b/companion-app/public/symbol.svg @@ -0,0 +1,5 @@ + + + + + \ No newline at end of file diff --git a/companion-app/src/api/ablageNativ.ts b/companion-app/src/api/ablageNativ.ts new file mode 100644 index 0000000..6de861e --- /dev/null +++ b/companion-app/src/api/ablageNativ.ts @@ -0,0 +1,88 @@ +/* ================================================================ + Sichere Ablage auf dem Gerät (iOS Keychain / Android Keystore) + ================================================================ + Der Zugangstoken hat vollen Zugriff auf die Home-Assistant-Schnittstelle. + Im Browser bleibt nur localStorage; in der nativen Hülle gehört er in den + Schlüsselbund des Betriebssystems. + + **Noch nicht in Betrieb**: das Plugin ist bewusst keine Abhängigkeit, + solange die Capacitor-Hülle nicht gebaut ist. Der Adapter greift deshalb + defensiv auf die Laufzeit zu, statt zu importieren — fehlt das Plugin, + bleibt es bei der Browser-Variante, und die App läuft trotzdem. + + In Betrieb nehmen (UMSETZUNGSPLAN.md Phase 10 Stufe 2): + npm i @aparajita/capacitor-secure-storage + Danach ruft main.tsx `nativeAblageEinrichten()` auf. */ + +import { BrowserAblage, ablageSetzen, umgebungErkennen, type Ablage } from "./umgebung.ts"; + +/** Form des Plugins, so weit die App sie braucht. */ +interface SicherheitsPlugin { + get(optionen: { key: string }): Promise<{ value: string | null }>; + set(optionen: { key: string; value: string }): Promise; + remove(optionen: { key: string }): Promise; +} + +function pluginHolen(): SicherheitsPlugin | null { + if (typeof window === "undefined") return null; + const global = window as unknown as { + Capacitor?: { Plugins?: Record }; + }; + const plugin = global.Capacitor?.Plugins?.["SecureStorage"]; + if (!plugin) return null; + const kandidat = plugin as Partial; + return typeof kandidat.get === "function" && + typeof kandidat.set === "function" && + typeof kandidat.remove === "function" + ? (plugin as SicherheitsPlugin) + : null; +} + +export class NativeAblage implements Ablage { + readonly #plugin: SicherheitsPlugin; + /* Fällt einzeln auf den Browser zurück, wenn ein Aufruf scheitert - besser + eine Sitzung ohne Schlüsselbund als eine App, die nicht startet. */ + readonly #ersatz = new BrowserAblage(); + + constructor(plugin: SicherheitsPlugin) { + this.#plugin = plugin; + } + + async lesen(schluessel: string): Promise { + try { + const { value } = await this.#plugin.get({ key: schluessel }); + return value ?? null; + } catch { + return this.#ersatz.lesen(schluessel); + } + } + + async schreiben(schluessel: string, wert: string): Promise { + try { + await this.#plugin.set({ key: schluessel, value: wert }); + } catch { + await this.#ersatz.schreiben(schluessel, wert); + } + } + + async loeschen(schluessel: string): Promise { + try { + await this.#plugin.remove({ key: schluessel }); + } catch { + await this.#ersatz.loeschen(schluessel); + } + } +} + +/** + * Schaltet auf die sichere Ablage um, sofern die App nativ läuft und das + * Plugin vorhanden ist. Gibt zurück, ob umgeschaltet wurde — praktisch für + * eine Anzeige in den Einstellungen. + */ +export function nativeAblageEinrichten(): boolean { + if (umgebungErkennen() !== "capacitor") return false; + const plugin = pluginHolen(); + if (!plugin) return false; + ablageSetzen(new NativeAblage(plugin)); + return true; +} diff --git a/companion-app/src/api/index.ts b/companion-app/src/api/index.ts index 42ee522..0ef1451 100644 --- a/companion-app/src/api/index.ts +++ b/companion-app/src/api/index.ts @@ -11,6 +11,7 @@ export * from "./umgebung.ts"; export * from "./rest.ts"; export * from "./live.ts"; export * from "./warteschlange.ts"; +export * from "./ablageNativ.ts"; import { ENTITAETEN } from "./types.ts"; import type { Fahrt, Fahrzeugstatus, Profil, Tankvorgang } from "./types.ts"; diff --git a/companion-app/src/main.tsx b/companion-app/src/main.tsx index 749d4e9..bcbd8dc 100644 --- a/companion-app/src/main.tsx +++ b/companion-app/src/main.tsx @@ -4,8 +4,13 @@ import { createRoot } from "react-dom/client" import "@audi-dash/ui/styles.css" import "./stile/grundlage.css" import "./stile/audi-schrift.css" +import { nativeAblageEinrichten } from "./api" import { App } from "./App" +// In der nativen Hülle den Token in den Schlüsselbund legen statt in +// localStorage. Ohne Hülle passiert hier nichts. +nativeAblageEinrichten() + const wurzel = document.getElementById("wurzel") if (!wurzel) throw new Error("Wurzelelement #wurzel fehlt in index.html") diff --git a/homeassistant/FMM003_MAPPING.md b/homeassistant/FMM003_MAPPING.md new file mode 100644 index 0000000..5a70b6b --- /dev/null +++ b/homeassistant/FMM003_MAPPING.md @@ -0,0 +1,136 @@ +# FMM003 → Home Assistant: Zuordnungstabelle + +**Gerüst, noch nicht ausgefüllt.** Gehört zu Phase 13 des +`../UMSETZUNGSPLAN.md`; die Architektur dahinter steht in +`../COMPANION_APP_ARCHITECTURE.md` §2b. + +> **Grundregel: nicht raten.** Wie die CAN/FMS-Werte im Codec JSON heißen, ist +> unbekannt und je nach Firmware verschieden. Die Tabelle unten wird aus einer +> **echten mitgeschnittenen Nachricht** gefüllt, nicht aus der Dokumentation +> abgeleitet. Bis dahin bleiben die Felder leer. + +## Datenweg + +``` +FMM003 (CAN/FMS) ──MQTT über TLS──▶ Mosquitto-Add-on ──▶ MQTT-Integration ──▶ Entitäten +``` + +Traccar entfällt: Das Gerät liefert bereits JSON, es gibt nichts zu dekodieren. + +## Schritt 1 — Gerät einstellen + +Im Teltonika Configurator: + +| Ort | Einstellung | +|---|---| +| System → System Settings → Data Protocol | **Codec JSON** | +| GPRS → Server Settings | Broker-IP und Port **8883** | +| GPRS → Server Settings | Benutzername und Passwort des Brokers | +| Security | Wurzelzertifikat, Gerätezertifikat, privater Schlüssel | + +**Firmware-Version hier eintragen:** `________________` + +Codec JSON ist nicht in jeder Firmware enthalten (bei mehreren Modellen erst ab +03.28.00). Ohne hochgeladene Zertifikate verweigert das Gerät die +MQTT-Verbindung — das ist kein Fehler, sondern Absicht. + +## Schritt 2 — Nachricht mitschneiden + +```bash +mosquitto_sub -h -p 8883 --cafile ca.crt \ + -u -P -t '#' -v | tee mitschnitt.txt +``` + +Dabei nacheinander: Zündung an, kurz fahren, anhalten, Zündung aus. Danach den +Mitschnitt sichten und die Tabelle unten füllen. + +**Nicht ins Repository legen** — der Mitschnitt enthält echte Positionsdaten. + +## Schritt 3 — Zuordnungstabelle + +Aus dem Mitschnitt zu füllen. Die Spalte „Entität" nennt den Namen, unter dem +das Backend den Wert erwartet. + +| JSON-Feld | Bedeutung | Einheit | Entität in HA | Gefunden am | +|---|---|---|---|---| +| | Zündung an/aus | 0/1 | `binary_sensor.audi_zuendung` | | +| | Geschwindigkeit | km/h | `sensor.audi_geschwindigkeit` | | +| | Position Breite | Grad | `device_tracker.audi_position` | | +| | Position Länge | Grad | `device_tracker.audi_position` | | +| | Kilometerstand | km | `sensor.audi_kilometerstand` | | +| | Tankfüllstand | % | `sensor.audi_tankfuellstand` | | +| | Drehzahl | min⁻¹ | `sensor.audi_drehzahl` | | +| | Kühlmitteltemperatur | °C | `sensor.audi_kuehlmittel` | | +| | Bordspannung | V | `sensor.audi_bordspannung` | | +| | Zeitstempel | ISO/Epoch | — (Attribut) | | + +Teltonika nennt CAN-Werte oft nur über eine AVL-Kennung (etwa `"12"` für +Kraftstoffstand). Deshalb hier immer **beides** notieren: die Kennung aus der +Nachricht und ihre Bedeutung aus der AVL-Liste des Geräts. + +## Schritt 4 — MQTT-Integration + +Aus der ausgefüllten Tabelle entstehen die Entitäten. Gerüst für +`configuration.yaml`, die Feldnamen in den Vorlagen sind erst danach einsetzbar: + +```yaml +mqtt: + binary_sensor: + - name: "Audi Zündung" + state_topic: "teltonika//data" + value_template: "{{ 'ON' if value_json. | int == 1 else 'OFF' }}" + device_class: power + + sensor: + - name: "Audi Geschwindigkeit" + state_topic: "teltonika//data" + value_template: "{{ value_json. }}" + unit_of_measurement: "km/h" + state_class: measurement + + device_tracker: + - name: "Audi Position" + state_topic: "teltonika//data" + json_attributes_topic: "teltonika//data" + # latitude/longitude erwartet HA als Attribute +``` + +## Schritt 5 — Fahrterkennung umstellen + +Neues `pyscript/fahrterkennung_fmm003.py` nach dem Muster von +`pyscript/fahrterkennung.py`, mit zwei Unterschieden: + +1. Der Auslöser ist die **Zündungs-Entität**, nicht der WLAN-Sensor. +2. Der Startzeitpunkt darf nicht mehr nur im Arbeitsspeicher liegen — beim + FMM003 gibt es keinen Grund mehr für diese Einschränkung, weil der Zustand + jederzeit vom Gerät neu gelesen werden kann. + +**Unverändert übernehmen:** die Pausentoleranz (`fahrten_pausenzeit_min` aus dem +Profil, Standard 15 Minuten) über `task.unique()` und `task.sleep()`. Das ist +eine bewusste Produktentscheidung, dreimal durchdacht: Springt der Motor +innerhalb der Toleranz wieder an, ist es **eine** Fahrt, nicht zwei. Die Zündung +fällt bei Start-Stopp nicht ab, ein zusätzlicher Filter dafür ist also +unnötig. + +Vorgehen: erst parallel laufen lassen und in eine Testdatei schreiben, mit der +bisherigen Erkennung vergleichen, dann scharf schalten. Danach +`WLAN_SENSOR` aus `pyscript/modules/einstellungen.py` entfernen. + +## Schritt 6 — Live-Ansicht einschalten + +In `companion-app/src/funktionen.ts` den Schalter `LIVE_VERFUEGBAR` auf `true` +setzen und in `companion-app/src/screens/LiveFahrt.tsx` die Feldnamen in +`liveZustandLesen()` an die tatsächlichen Entitäten anpassen. + +Damit werden auch die Fahrtdetails erstmals echte Routen zeigen, statt nur +Start- und Zielpunkt. + +## Noch zu entscheiden + +- **Erreichbarkeit des Brokers für das Fahrzeug:** Portfreigabe 8883 direkt auf + Mosquitto gegen VPS-Broker mit Mosquitto-Bridge über Tailscale. Ersteres ist + einfacher, aber eine echte Freigabe; letzteres öffnet zuhause nichts, kostet + aber einen zusätzlichen Server. +- **Datenvolumen:** Codec JSON braucht deutlich mehr Bytes als das binäre + Codec8E. Bei einem privat genutzten Fahrzeug vernachlässigbar, bei knappem + Mobilfunktarif im Blick behalten. diff --git a/homeassistant/REVERSE_PROXY.md b/homeassistant/REVERSE_PROXY.md new file mode 100644 index 0000000..3a32b94 --- /dev/null +++ b/homeassistant/REVERSE_PROXY.md @@ -0,0 +1,126 @@ +# Reverse-Proxy: Pfad-Freigabeliste für DataMetric360 + +**Vorbereitung, noch nicht in Betrieb.** Gehört zu Phase 12 des +`../UMSETZUNGSPLAN.md`; die Entscheidung dahinter steht in +`../COMPANION_APP_ARCHITECTURE.md` §4. + +Ziel: Die App erreicht Home Assistant von unterwegs, **ohne dass Home Assistant +selbst im Internet steht**. Dazu ein Cloudflare-Tunnel (baut nur nach außen auf, +kein Port am Router) auf einen Reverse Proxy, der ausschließlich die unten +aufgeführten Pfade durchlässt. + +## Was die App wirklich braucht + +Aus dem tatsächlichen Code der Datenschicht (`companion-app/src/api/`) +abgeleitet, nicht geschätzt: + +| Methode | Pfad | Wofür | +|---|---|---| +| `GET` | `/api/` | Verbindungsprüfung bei der Ersteinrichtung | +| `GET` | `/api/states/pyscript.audi_dashboard_*` | Profil, Fahrten, Tankvorgänge, Status, Batterieverlauf, Belegergebnis, Updatestatus | +| `GET` | `/api/states/pyscript.reifen_*` | Reifensatz-Kilometerstände | +| `POST` | `/api/services/pyscript/audi_dashboard_*` | alle schreibenden Vorgänge | +| `GET` (Upgrade) | `/api/websocket` | Live-Aktualisierung | + +Alles andere wird geblockt, insbesondere `/auth/*`, `/lovelace*`, `/config*`, +`/api/config`, `/api/history*`, `/developer-tools*` und die Oberfläche selbst. + +## Ehrliche Einschränkung + +**Der WebSocket lässt sich nicht pfadgenau beschneiden.** Nach `auth_ok` kann +über `/api/websocket` grundsätzlich jeder Zustand gelesen werden, nicht nur die +`pyscript.*`-Entitäten. Die Freigabeliste ist an dieser Stelle also grobkörniger +als beim REST-Zugriff. + +Was bleibt: Ohne gültigen Token kommt gar keine Verbindung zustande, und ein +verlorenes Gerät wird durch Zurückziehen genau seines Tokens ausgesperrt. Das +ist die im Architekturdokument bewusst akzeptierte Abwägung — sie sollte nur +nicht in Vergessenheit geraten. + +Wer sie nicht eingehen will, hat eine Alternative: den WebSocket weglassen und +die App auf regelmäßiges Abfragen umstellen. Kostet Akku und Datenvolumen, +verkleinert die Angriffsfläche aber auf die exakt aufgeführten REST-Pfade. + +## Nginx Proxy Manager + +Im Add-on unter *Hosts → Proxy Hosts → Edit → Advanced* eintragen. Ziel ist der +interne Name der Home-Assistant-Instanz (im Supervisor-Netz `homeassistant:8123`). + +```nginx +# Reihenfolge zählt: die erlaubenden Blöcke stehen vor dem pauschalen Verbot. + +location = /api/ { + proxy_pass http://homeassistant:8123; + include conf.d/include/proxy.conf; +} + +location ~ ^/api/states/pyscript\.(audi_dashboard_[a-z_]+|reifen_[a-z_]+)$ { + limit_except GET { deny all; } + proxy_pass http://homeassistant:8123; + include conf.d/include/proxy.conf; +} + +location ~ ^/api/services/pyscript/audi_dashboard_[a-z_]+$ { + limit_except POST { deny all; } + proxy_pass http://homeassistant:8123; + include conf.d/include/proxy.conf; +} + +location = /api/websocket { + proxy_pass http://homeassistant:8123; + proxy_http_version 1.1; + proxy_set_header Upgrade $http_upgrade; + proxy_set_header Connection "upgrade"; + proxy_read_timeout 3600s; + include conf.d/include/proxy.conf; +} + +# Die Fotos der Fahrzeuge, die die App anzeigt. Nur Lesen, nur Bilder. +location ~ ^/local/bilder/[a-z0-9_-]+\.(webp|png|jpg|svg)$ { + limit_except GET { deny all; } + proxy_pass http://homeassistant:8123; + include conf.d/include/proxy.conf; +} + +# Alles Übrige: nicht durchlassen. +location / { + return 404; +} +``` + +Wird die App selbst unter derselben Adresse ausgeliefert, braucht sie einen +eigenen Block auf ihr Verzeichnis — sauberer ist ein getrennter Hostname +(`datametric360.app` für die App, `api.datametric360.app` für die +Schnittstelle), dann bleibt diese Liste unverändert. + +## Nach der Einrichtung prüfen + +Von einem Netz ohne VPN, etwa über Mobilfunk: + +```bash +API=https://api.datametric360.app +T= + +# muss gehen +curl -s -o /dev/null -w '%{http_code}\n' -H "Authorization: Bearer $T" "$API/api/" +curl -s -o /dev/null -w '%{http_code}\n' -H "Authorization: Bearer $T" \ + "$API/api/states/pyscript.audi_dashboard_profil" + +# muss 404 oder 403 liefern +curl -s -o /dev/null -w '%{http_code}\n' "$API/auth/authorize" +curl -s -o /dev/null -w '%{http_code}\n' -H "Authorization: Bearer $T" "$API/api/config" +curl -s -o /dev/null -w '%{http_code}\n' -H "Authorization: Bearer $T" \ + "$API/api/states/sensor.audi_rs_4_avant_mileage" + +# ohne Token: 401, nicht 200 +curl -s -o /dev/null -w '%{http_code}\n' "$API/api/states/pyscript.audi_dashboard_profil" +``` + +Zusätzlich: Port 8123 darf von außen **gar nicht** antworten. + +## Offen bis zur Einrichtung + +- Nameserver von `datametric360.app` auf Cloudflare umstellen („Full setup") +- Entscheidung Nginx Proxy Manager gegen Traefik (die Liste oben ist für NPM + geschrieben und für Traefik sinngemäß zu übertragen) +- Endgültige Hostnamen festlegen und hier eintragen diff --git a/homeassistant/www/dm360-qr.html b/homeassistant/www/dm360-qr.html new file mode 100644 index 0000000..d1189b6 --- /dev/null +++ b/homeassistant/www/dm360-qr.html @@ -0,0 +1,115 @@ + + + + + + DataMetric360 — Gerät verbinden + + + + + +
+

Gerät verbinden

+

+ Trag die von außen erreichbare Adresse und einen langlebigen Zugriffstoken ein. + Der Code entsteht hier auf dem Gerät; nichts davon wird irgendwohin gesendet. +

+ + + + + + + + + +
+ +
+ + + + diff --git a/homeassistant/www/dm360-qrcode-lib.js b/homeassistant/www/dm360-qrcode-lib.js new file mode 100644 index 0000000..df13f82 --- /dev/null +++ b/homeassistant/www/dm360-qrcode-lib.js @@ -0,0 +1,2297 @@ +//--------------------------------------------------------------------- +// +// QR Code Generator for JavaScript +// +// Copyright (c) 2009 Kazuhiko Arase +// +// URL: http://www.d-project.com/ +// +// Licensed under the MIT license: +// http://www.opensource.org/licenses/mit-license.php +// +// The word 'QR Code' is registered trademark of +// DENSO WAVE INCORPORATED +// http://www.denso-wave.com/qrcode/faqpatent-e.html +// +//--------------------------------------------------------------------- + +var qrcode = function() { + + //--------------------------------------------------------------------- + // qrcode + //--------------------------------------------------------------------- + + /** + * qrcode + * @param typeNumber 1 to 40 + * @param errorCorrectionLevel 'L','M','Q','H' + */ + var qrcode = function(typeNumber, errorCorrectionLevel) { + + var PAD0 = 0xEC; + var PAD1 = 0x11; + + var _typeNumber = typeNumber; + var _errorCorrectionLevel = QRErrorCorrectionLevel[errorCorrectionLevel]; + var _modules = null; + var _moduleCount = 0; + var _dataCache = null; + var _dataList = []; + + var _this = {}; + + var makeImpl = function(test, maskPattern) { + + _moduleCount = _typeNumber * 4 + 17; + _modules = function(moduleCount) { + var modules = new Array(moduleCount); + for (var row = 0; row < moduleCount; row += 1) { + modules[row] = new Array(moduleCount); + for (var col = 0; col < moduleCount; col += 1) { + modules[row][col] = null; + } + } + return modules; + }(_moduleCount); + + setupPositionProbePattern(0, 0); + setupPositionProbePattern(_moduleCount - 7, 0); + setupPositionProbePattern(0, _moduleCount - 7); + setupPositionAdjustPattern(); + setupTimingPattern(); + setupTypeInfo(test, maskPattern); + + if (_typeNumber >= 7) { + setupTypeNumber(test); + } + + if (_dataCache == null) { + _dataCache = createData(_typeNumber, _errorCorrectionLevel, _dataList); + } + + mapData(_dataCache, maskPattern); + }; + + var setupPositionProbePattern = function(row, col) { + + for (var r = -1; r <= 7; r += 1) { + + if (row + r <= -1 || _moduleCount <= row + r) continue; + + for (var c = -1; c <= 7; c += 1) { + + if (col + c <= -1 || _moduleCount <= col + c) continue; + + if ( (0 <= r && r <= 6 && (c == 0 || c == 6) ) + || (0 <= c && c <= 6 && (r == 0 || r == 6) ) + || (2 <= r && r <= 4 && 2 <= c && c <= 4) ) { + _modules[row + r][col + c] = true; + } else { + _modules[row + r][col + c] = false; + } + } + } + }; + + var getBestMaskPattern = function() { + + var minLostPoint = 0; + var pattern = 0; + + for (var i = 0; i < 8; i += 1) { + + makeImpl(true, i); + + var lostPoint = QRUtil.getLostPoint(_this); + + if (i == 0 || minLostPoint > lostPoint) { + minLostPoint = lostPoint; + pattern = i; + } + } + + return pattern; + }; + + var setupTimingPattern = function() { + + for (var r = 8; r < _moduleCount - 8; r += 1) { + if (_modules[r][6] != null) { + continue; + } + _modules[r][6] = (r % 2 == 0); + } + + for (var c = 8; c < _moduleCount - 8; c += 1) { + if (_modules[6][c] != null) { + continue; + } + _modules[6][c] = (c % 2 == 0); + } + }; + + var setupPositionAdjustPattern = function() { + + var pos = QRUtil.getPatternPosition(_typeNumber); + + for (var i = 0; i < pos.length; i += 1) { + + for (var j = 0; j < pos.length; j += 1) { + + var row = pos[i]; + var col = pos[j]; + + if (_modules[row][col] != null) { + continue; + } + + for (var r = -2; r <= 2; r += 1) { + + for (var c = -2; c <= 2; c += 1) { + + if (r == -2 || r == 2 || c == -2 || c == 2 + || (r == 0 && c == 0) ) { + _modules[row + r][col + c] = true; + } else { + _modules[row + r][col + c] = false; + } + } + } + } + } + }; + + var setupTypeNumber = function(test) { + + var bits = QRUtil.getBCHTypeNumber(_typeNumber); + + for (var i = 0; i < 18; i += 1) { + var mod = (!test && ( (bits >> i) & 1) == 1); + _modules[Math.floor(i / 3)][i % 3 + _moduleCount - 8 - 3] = mod; + } + + for (var i = 0; i < 18; i += 1) { + var mod = (!test && ( (bits >> i) & 1) == 1); + _modules[i % 3 + _moduleCount - 8 - 3][Math.floor(i / 3)] = mod; + } + }; + + var setupTypeInfo = function(test, maskPattern) { + + var data = (_errorCorrectionLevel << 3) | maskPattern; + var bits = QRUtil.getBCHTypeInfo(data); + + // vertical + for (var i = 0; i < 15; i += 1) { + + var mod = (!test && ( (bits >> i) & 1) == 1); + + if (i < 6) { + _modules[i][8] = mod; + } else if (i < 8) { + _modules[i + 1][8] = mod; + } else { + _modules[_moduleCount - 15 + i][8] = mod; + } + } + + // horizontal + for (var i = 0; i < 15; i += 1) { + + var mod = (!test && ( (bits >> i) & 1) == 1); + + if (i < 8) { + _modules[8][_moduleCount - i - 1] = mod; + } else if (i < 9) { + _modules[8][15 - i - 1 + 1] = mod; + } else { + _modules[8][15 - i - 1] = mod; + } + } + + // fixed module + _modules[_moduleCount - 8][8] = (!test); + }; + + var mapData = function(data, maskPattern) { + + var inc = -1; + var row = _moduleCount - 1; + var bitIndex = 7; + var byteIndex = 0; + var maskFunc = QRUtil.getMaskFunction(maskPattern); + + for (var col = _moduleCount - 1; col > 0; col -= 2) { + + if (col == 6) col -= 1; + + while (true) { + + for (var c = 0; c < 2; c += 1) { + + if (_modules[row][col - c] == null) { + + var dark = false; + + if (byteIndex < data.length) { + dark = ( ( (data[byteIndex] >>> bitIndex) & 1) == 1); + } + + var mask = maskFunc(row, col - c); + + if (mask) { + dark = !dark; + } + + _modules[row][col - c] = dark; + bitIndex -= 1; + + if (bitIndex == -1) { + byteIndex += 1; + bitIndex = 7; + } + } + } + + row += inc; + + if (row < 0 || _moduleCount <= row) { + row -= inc; + inc = -inc; + break; + } + } + } + }; + + var createBytes = function(buffer, rsBlocks) { + + var offset = 0; + + var maxDcCount = 0; + var maxEcCount = 0; + + var dcdata = new Array(rsBlocks.length); + var ecdata = new Array(rsBlocks.length); + + for (var r = 0; r < rsBlocks.length; r += 1) { + + var dcCount = rsBlocks[r].dataCount; + var ecCount = rsBlocks[r].totalCount - dcCount; + + maxDcCount = Math.max(maxDcCount, dcCount); + maxEcCount = Math.max(maxEcCount, ecCount); + + dcdata[r] = new Array(dcCount); + + for (var i = 0; i < dcdata[r].length; i += 1) { + dcdata[r][i] = 0xff & buffer.getBuffer()[i + offset]; + } + offset += dcCount; + + var rsPoly = QRUtil.getErrorCorrectPolynomial(ecCount); + var rawPoly = qrPolynomial(dcdata[r], rsPoly.getLength() - 1); + + var modPoly = rawPoly.mod(rsPoly); + ecdata[r] = new Array(rsPoly.getLength() - 1); + for (var i = 0; i < ecdata[r].length; i += 1) { + var modIndex = i + modPoly.getLength() - ecdata[r].length; + ecdata[r][i] = (modIndex >= 0)? modPoly.getAt(modIndex) : 0; + } + } + + var totalCodeCount = 0; + for (var i = 0; i < rsBlocks.length; i += 1) { + totalCodeCount += rsBlocks[i].totalCount; + } + + var data = new Array(totalCodeCount); + var index = 0; + + for (var i = 0; i < maxDcCount; i += 1) { + for (var r = 0; r < rsBlocks.length; r += 1) { + if (i < dcdata[r].length) { + data[index] = dcdata[r][i]; + index += 1; + } + } + } + + for (var i = 0; i < maxEcCount; i += 1) { + for (var r = 0; r < rsBlocks.length; r += 1) { + if (i < ecdata[r].length) { + data[index] = ecdata[r][i]; + index += 1; + } + } + } + + return data; + }; + + var createData = function(typeNumber, errorCorrectionLevel, dataList) { + + var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, errorCorrectionLevel); + + var buffer = qrBitBuffer(); + + for (var i = 0; i < dataList.length; i += 1) { + var data = dataList[i]; + buffer.put(data.getMode(), 4); + buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); + data.write(buffer); + } + + // calc num max data. + var totalDataCount = 0; + for (var i = 0; i < rsBlocks.length; i += 1) { + totalDataCount += rsBlocks[i].dataCount; + } + + if (buffer.getLengthInBits() > totalDataCount * 8) { + throw 'code length overflow. (' + + buffer.getLengthInBits() + + '>' + + totalDataCount * 8 + + ')'; + } + + // end code + if (buffer.getLengthInBits() + 4 <= totalDataCount * 8) { + buffer.put(0, 4); + } + + // padding + while (buffer.getLengthInBits() % 8 != 0) { + buffer.putBit(false); + } + + // padding + while (true) { + + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } + buffer.put(PAD0, 8); + + if (buffer.getLengthInBits() >= totalDataCount * 8) { + break; + } + buffer.put(PAD1, 8); + } + + return createBytes(buffer, rsBlocks); + }; + + _this.addData = function(data, mode) { + + mode = mode || 'Byte'; + + var newData = null; + + switch(mode) { + case 'Numeric' : + newData = qrNumber(data); + break; + case 'Alphanumeric' : + newData = qrAlphaNum(data); + break; + case 'Byte' : + newData = qr8BitByte(data); + break; + case 'Kanji' : + newData = qrKanji(data); + break; + default : + throw 'mode:' + mode; + } + + _dataList.push(newData); + _dataCache = null; + }; + + _this.isDark = function(row, col) { + if (row < 0 || _moduleCount <= row || col < 0 || _moduleCount <= col) { + throw row + ',' + col; + } + return _modules[row][col]; + }; + + _this.getModuleCount = function() { + return _moduleCount; + }; + + _this.make = function() { + if (_typeNumber < 1) { + var typeNumber = 1; + + for (; typeNumber < 40; typeNumber++) { + var rsBlocks = QRRSBlock.getRSBlocks(typeNumber, _errorCorrectionLevel); + var buffer = qrBitBuffer(); + + for (var i = 0; i < _dataList.length; i++) { + var data = _dataList[i]; + buffer.put(data.getMode(), 4); + buffer.put(data.getLength(), QRUtil.getLengthInBits(data.getMode(), typeNumber) ); + data.write(buffer); + } + + var totalDataCount = 0; + for (var i = 0; i < rsBlocks.length; i++) { + totalDataCount += rsBlocks[i].dataCount; + } + + if (buffer.getLengthInBits() <= totalDataCount * 8) { + break; + } + } + + _typeNumber = typeNumber; + } + + makeImpl(false, getBestMaskPattern() ); + }; + + _this.createTableTag = function(cellSize, margin) { + + cellSize = cellSize || 2; + margin = (typeof margin == 'undefined')? cellSize * 4 : margin; + + var qrHtml = ''; + + qrHtml += ''; + qrHtml += ''; + + for (var r = 0; r < _this.getModuleCount(); r += 1) { + + qrHtml += ''; + + for (var c = 0; c < _this.getModuleCount(); c += 1) { + qrHtml += ''; + } + + qrHtml += ''; + qrHtml += '
'; + } + + qrHtml += '
'; + + return qrHtml; + }; + + _this.createSvgTag = function(cellSize, margin, alt, title) { + + var opts = {}; + if (typeof arguments[0] == 'object') { + // Called by options. + opts = arguments[0]; + // overwrite cellSize and margin. + cellSize = opts.cellSize; + margin = opts.margin; + alt = opts.alt; + title = opts.title; + } + + cellSize = cellSize || 2; + margin = (typeof margin == 'undefined')? cellSize * 4 : margin; + + // Compose alt property surrogate + alt = (typeof alt === 'string') ? {text: alt} : alt || {}; + alt.text = alt.text || null; + alt.id = (alt.text) ? alt.id || 'qrcode-description' : null; + + // Compose title property surrogate + title = (typeof title === 'string') ? {text: title} : title || {}; + title.text = title.text || null; + title.id = (title.text) ? title.id || 'qrcode-title' : null; + + var size = _this.getModuleCount() * cellSize + margin * 2; + var c, mc, r, mr, qrSvg='', rect; + + rect = 'l' + cellSize + ',0 0,' + cellSize + + ' -' + cellSize + ',0 0,-' + cellSize + 'z '; + + qrSvg += '' + + escapeXml(title.text) + '' : ''; + qrSvg += (alt.text) ? '' + + escapeXml(alt.text) + '' : ''; + qrSvg += ''; + qrSvg += ''; + qrSvg += ''; + + return qrSvg; + }; + + _this.createDataURL = function(cellSize, margin) { + + cellSize = cellSize || 2; + margin = (typeof margin == 'undefined')? cellSize * 4 : margin; + + var size = _this.getModuleCount() * cellSize + margin * 2; + var min = margin; + var max = size - margin; + + return createDataURL(size, size, function(x, y) { + if (min <= x && x < max && min <= y && y < max) { + var c = Math.floor( (x - min) / cellSize); + var r = Math.floor( (y - min) / cellSize); + return _this.isDark(r, c)? 0 : 1; + } else { + return 1; + } + } ); + }; + + _this.createImgTag = function(cellSize, margin, alt) { + + cellSize = cellSize || 2; + margin = (typeof margin == 'undefined')? cellSize * 4 : margin; + + var size = _this.getModuleCount() * cellSize + margin * 2; + + var img = ''; + img += '': escaped += '>'; break; + case '&': escaped += '&'; break; + case '"': escaped += '"'; break; + default : escaped += c; break; + } + } + return escaped; + }; + + var _createHalfASCII = function(margin) { + var cellSize = 1; + margin = (typeof margin == 'undefined')? cellSize * 2 : margin; + + var size = _this.getModuleCount() * cellSize + margin * 2; + var min = margin; + var max = size - margin; + + var y, x, r1, r2, p; + + var blocks = { + '██': '█', + '█ ': '▀', + ' █': '▄', + ' ': ' ' + }; + + var blocksLastLineNoMargin = { + '██': '▀', + '█ ': '▀', + ' █': ' ', + ' ': ' ' + }; + + var ascii = ''; + for (y = 0; y < size; y += 2) { + r1 = Math.floor((y - min) / cellSize); + r2 = Math.floor((y + 1 - min) / cellSize); + for (x = 0; x < size; x += 1) { + p = '█'; + + if (min <= x && x < max && min <= y && y < max && _this.isDark(r1, Math.floor((x - min) / cellSize))) { + p = ' '; + } + + if (min <= x && x < max && min <= y+1 && y+1 < max && _this.isDark(r2, Math.floor((x - min) / cellSize))) { + p += ' '; + } + else { + p += '█'; + } + + // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. + ascii += (margin < 1 && y+1 >= max) ? blocksLastLineNoMargin[p] : blocks[p]; + } + + ascii += '\n'; + } + + if (size % 2 && margin > 0) { + return ascii.substring(0, ascii.length - size - 1) + Array(size+1).join('▀'); + } + + return ascii.substring(0, ascii.length-1); + }; + + _this.createASCII = function(cellSize, margin) { + cellSize = cellSize || 1; + + if (cellSize < 2) { + return _createHalfASCII(margin); + } + + cellSize -= 1; + margin = (typeof margin == 'undefined')? cellSize * 2 : margin; + + var size = _this.getModuleCount() * cellSize + margin * 2; + var min = margin; + var max = size - margin; + + var y, x, r, p; + + var white = Array(cellSize+1).join('██'); + var black = Array(cellSize+1).join(' '); + + var ascii = ''; + var line = ''; + for (y = 0; y < size; y += 1) { + r = Math.floor( (y - min) / cellSize); + line = ''; + for (x = 0; x < size; x += 1) { + p = 1; + + if (min <= x && x < max && min <= y && y < max && _this.isDark(r, Math.floor((x - min) / cellSize))) { + p = 0; + } + + // Output 2 characters per pixel, to create full square. 1 character per pixels gives only half width of square. + line += p ? white : black; + } + + for (r = 0; r < cellSize; r += 1) { + ascii += line + '\n'; + } + } + + return ascii.substring(0, ascii.length-1); + }; + + _this.renderTo2dContext = function(context, cellSize) { + cellSize = cellSize || 2; + var length = _this.getModuleCount(); + for (var row = 0; row < length; row++) { + for (var col = 0; col < length; col++) { + context.fillStyle = _this.isDark(row, col) ? 'black' : 'white'; + context.fillRect(col * cellSize, row * cellSize, cellSize, cellSize); + } + } + } + + return _this; + }; + + //--------------------------------------------------------------------- + // qrcode.stringToBytes + //--------------------------------------------------------------------- + + qrcode.stringToBytesFuncs = { + 'default' : function(s) { + var bytes = []; + for (var i = 0; i < s.length; i += 1) { + var c = s.charCodeAt(i); + bytes.push(c & 0xff); + } + return bytes; + } + }; + + qrcode.stringToBytes = qrcode.stringToBytesFuncs['default']; + + //--------------------------------------------------------------------- + // qrcode.createStringToBytes + //--------------------------------------------------------------------- + + /** + * @param unicodeData base64 string of byte array. + * [16bit Unicode],[16bit Bytes], ... + * @param numChars + */ + qrcode.createStringToBytes = function(unicodeData, numChars) { + + // create conversion map. + + var unicodeMap = function() { + + var bin = base64DecodeInputStream(unicodeData); + var read = function() { + var b = bin.read(); + if (b == -1) throw 'eof'; + return b; + }; + + var count = 0; + var unicodeMap = {}; + while (true) { + var b0 = bin.read(); + if (b0 == -1) break; + var b1 = read(); + var b2 = read(); + var b3 = read(); + var k = String.fromCharCode( (b0 << 8) | b1); + var v = (b2 << 8) | b3; + unicodeMap[k] = v; + count += 1; + } + if (count != numChars) { + throw count + ' != ' + numChars; + } + + return unicodeMap; + }(); + + var unknownChar = '?'.charCodeAt(0); + + return function(s) { + var bytes = []; + for (var i = 0; i < s.length; i += 1) { + var c = s.charCodeAt(i); + if (c < 128) { + bytes.push(c); + } else { + var b = unicodeMap[s.charAt(i)]; + if (typeof b == 'number') { + if ( (b & 0xff) == b) { + // 1byte + bytes.push(b); + } else { + // 2bytes + bytes.push(b >>> 8); + bytes.push(b & 0xff); + } + } else { + bytes.push(unknownChar); + } + } + } + return bytes; + }; + }; + + //--------------------------------------------------------------------- + // QRMode + //--------------------------------------------------------------------- + + var QRMode = { + MODE_NUMBER : 1 << 0, + MODE_ALPHA_NUM : 1 << 1, + MODE_8BIT_BYTE : 1 << 2, + MODE_KANJI : 1 << 3 + }; + + //--------------------------------------------------------------------- + // QRErrorCorrectionLevel + //--------------------------------------------------------------------- + + var QRErrorCorrectionLevel = { + L : 1, + M : 0, + Q : 3, + H : 2 + }; + + //--------------------------------------------------------------------- + // QRMaskPattern + //--------------------------------------------------------------------- + + var QRMaskPattern = { + PATTERN000 : 0, + PATTERN001 : 1, + PATTERN010 : 2, + PATTERN011 : 3, + PATTERN100 : 4, + PATTERN101 : 5, + PATTERN110 : 6, + PATTERN111 : 7 + }; + + //--------------------------------------------------------------------- + // QRUtil + //--------------------------------------------------------------------- + + var QRUtil = function() { + + var PATTERN_POSITION_TABLE = [ + [], + [6, 18], + [6, 22], + [6, 26], + [6, 30], + [6, 34], + [6, 22, 38], + [6, 24, 42], + [6, 26, 46], + [6, 28, 50], + [6, 30, 54], + [6, 32, 58], + [6, 34, 62], + [6, 26, 46, 66], + [6, 26, 48, 70], + [6, 26, 50, 74], + [6, 30, 54, 78], + [6, 30, 56, 82], + [6, 30, 58, 86], + [6, 34, 62, 90], + [6, 28, 50, 72, 94], + [6, 26, 50, 74, 98], + [6, 30, 54, 78, 102], + [6, 28, 54, 80, 106], + [6, 32, 58, 84, 110], + [6, 30, 58, 86, 114], + [6, 34, 62, 90, 118], + [6, 26, 50, 74, 98, 122], + [6, 30, 54, 78, 102, 126], + [6, 26, 52, 78, 104, 130], + [6, 30, 56, 82, 108, 134], + [6, 34, 60, 86, 112, 138], + [6, 30, 58, 86, 114, 142], + [6, 34, 62, 90, 118, 146], + [6, 30, 54, 78, 102, 126, 150], + [6, 24, 50, 76, 102, 128, 154], + [6, 28, 54, 80, 106, 132, 158], + [6, 32, 58, 84, 110, 136, 162], + [6, 26, 54, 82, 110, 138, 166], + [6, 30, 58, 86, 114, 142, 170] + ]; + var G15 = (1 << 10) | (1 << 8) | (1 << 5) | (1 << 4) | (1 << 2) | (1 << 1) | (1 << 0); + var G18 = (1 << 12) | (1 << 11) | (1 << 10) | (1 << 9) | (1 << 8) | (1 << 5) | (1 << 2) | (1 << 0); + var G15_MASK = (1 << 14) | (1 << 12) | (1 << 10) | (1 << 4) | (1 << 1); + + var _this = {}; + + var getBCHDigit = function(data) { + var digit = 0; + while (data != 0) { + digit += 1; + data >>>= 1; + } + return digit; + }; + + _this.getBCHTypeInfo = function(data) { + var d = data << 10; + while (getBCHDigit(d) - getBCHDigit(G15) >= 0) { + d ^= (G15 << (getBCHDigit(d) - getBCHDigit(G15) ) ); + } + return ( (data << 10) | d) ^ G15_MASK; + }; + + _this.getBCHTypeNumber = function(data) { + var d = data << 12; + while (getBCHDigit(d) - getBCHDigit(G18) >= 0) { + d ^= (G18 << (getBCHDigit(d) - getBCHDigit(G18) ) ); + } + return (data << 12) | d; + }; + + _this.getPatternPosition = function(typeNumber) { + return PATTERN_POSITION_TABLE[typeNumber - 1]; + }; + + _this.getMaskFunction = function(maskPattern) { + + switch (maskPattern) { + + case QRMaskPattern.PATTERN000 : + return function(i, j) { return (i + j) % 2 == 0; }; + case QRMaskPattern.PATTERN001 : + return function(i, j) { return i % 2 == 0; }; + case QRMaskPattern.PATTERN010 : + return function(i, j) { return j % 3 == 0; }; + case QRMaskPattern.PATTERN011 : + return function(i, j) { return (i + j) % 3 == 0; }; + case QRMaskPattern.PATTERN100 : + return function(i, j) { return (Math.floor(i / 2) + Math.floor(j / 3) ) % 2 == 0; }; + case QRMaskPattern.PATTERN101 : + return function(i, j) { return (i * j) % 2 + (i * j) % 3 == 0; }; + case QRMaskPattern.PATTERN110 : + return function(i, j) { return ( (i * j) % 2 + (i * j) % 3) % 2 == 0; }; + case QRMaskPattern.PATTERN111 : + return function(i, j) { return ( (i * j) % 3 + (i + j) % 2) % 2 == 0; }; + + default : + throw 'bad maskPattern:' + maskPattern; + } + }; + + _this.getErrorCorrectPolynomial = function(errorCorrectLength) { + var a = qrPolynomial([1], 0); + for (var i = 0; i < errorCorrectLength; i += 1) { + a = a.multiply(qrPolynomial([1, QRMath.gexp(i)], 0) ); + } + return a; + }; + + _this.getLengthInBits = function(mode, type) { + + if (1 <= type && type < 10) { + + // 1 - 9 + + switch(mode) { + case QRMode.MODE_NUMBER : return 10; + case QRMode.MODE_ALPHA_NUM : return 9; + case QRMode.MODE_8BIT_BYTE : return 8; + case QRMode.MODE_KANJI : return 8; + default : + throw 'mode:' + mode; + } + + } else if (type < 27) { + + // 10 - 26 + + switch(mode) { + case QRMode.MODE_NUMBER : return 12; + case QRMode.MODE_ALPHA_NUM : return 11; + case QRMode.MODE_8BIT_BYTE : return 16; + case QRMode.MODE_KANJI : return 10; + default : + throw 'mode:' + mode; + } + + } else if (type < 41) { + + // 27 - 40 + + switch(mode) { + case QRMode.MODE_NUMBER : return 14; + case QRMode.MODE_ALPHA_NUM : return 13; + case QRMode.MODE_8BIT_BYTE : return 16; + case QRMode.MODE_KANJI : return 12; + default : + throw 'mode:' + mode; + } + + } else { + throw 'type:' + type; + } + }; + + _this.getLostPoint = function(qrcode) { + + var moduleCount = qrcode.getModuleCount(); + + var lostPoint = 0; + + // LEVEL1 + + for (var row = 0; row < moduleCount; row += 1) { + for (var col = 0; col < moduleCount; col += 1) { + + var sameCount = 0; + var dark = qrcode.isDark(row, col); + + for (var r = -1; r <= 1; r += 1) { + + if (row + r < 0 || moduleCount <= row + r) { + continue; + } + + for (var c = -1; c <= 1; c += 1) { + + if (col + c < 0 || moduleCount <= col + c) { + continue; + } + + if (r == 0 && c == 0) { + continue; + } + + if (dark == qrcode.isDark(row + r, col + c) ) { + sameCount += 1; + } + } + } + + if (sameCount > 5) { + lostPoint += (3 + sameCount - 5); + } + } + }; + + // LEVEL2 + + for (var row = 0; row < moduleCount - 1; row += 1) { + for (var col = 0; col < moduleCount - 1; col += 1) { + var count = 0; + if (qrcode.isDark(row, col) ) count += 1; + if (qrcode.isDark(row + 1, col) ) count += 1; + if (qrcode.isDark(row, col + 1) ) count += 1; + if (qrcode.isDark(row + 1, col + 1) ) count += 1; + if (count == 0 || count == 4) { + lostPoint += 3; + } + } + } + + // LEVEL3 + + for (var row = 0; row < moduleCount; row += 1) { + for (var col = 0; col < moduleCount - 6; col += 1) { + if (qrcode.isDark(row, col) + && !qrcode.isDark(row, col + 1) + && qrcode.isDark(row, col + 2) + && qrcode.isDark(row, col + 3) + && qrcode.isDark(row, col + 4) + && !qrcode.isDark(row, col + 5) + && qrcode.isDark(row, col + 6) ) { + lostPoint += 40; + } + } + } + + for (var col = 0; col < moduleCount; col += 1) { + for (var row = 0; row < moduleCount - 6; row += 1) { + if (qrcode.isDark(row, col) + && !qrcode.isDark(row + 1, col) + && qrcode.isDark(row + 2, col) + && qrcode.isDark(row + 3, col) + && qrcode.isDark(row + 4, col) + && !qrcode.isDark(row + 5, col) + && qrcode.isDark(row + 6, col) ) { + lostPoint += 40; + } + } + } + + // LEVEL4 + + var darkCount = 0; + + for (var col = 0; col < moduleCount; col += 1) { + for (var row = 0; row < moduleCount; row += 1) { + if (qrcode.isDark(row, col) ) { + darkCount += 1; + } + } + } + + var ratio = Math.abs(100 * darkCount / moduleCount / moduleCount - 50) / 5; + lostPoint += ratio * 10; + + return lostPoint; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // QRMath + //--------------------------------------------------------------------- + + var QRMath = function() { + + var EXP_TABLE = new Array(256); + var LOG_TABLE = new Array(256); + + // initialize tables + for (var i = 0; i < 8; i += 1) { + EXP_TABLE[i] = 1 << i; + } + for (var i = 8; i < 256; i += 1) { + EXP_TABLE[i] = EXP_TABLE[i - 4] + ^ EXP_TABLE[i - 5] + ^ EXP_TABLE[i - 6] + ^ EXP_TABLE[i - 8]; + } + for (var i = 0; i < 255; i += 1) { + LOG_TABLE[EXP_TABLE[i] ] = i; + } + + var _this = {}; + + _this.glog = function(n) { + + if (n < 1) { + throw 'glog(' + n + ')'; + } + + return LOG_TABLE[n]; + }; + + _this.gexp = function(n) { + + while (n < 0) { + n += 255; + } + + while (n >= 256) { + n -= 255; + } + + return EXP_TABLE[n]; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // qrPolynomial + //--------------------------------------------------------------------- + + function qrPolynomial(num, shift) { + + if (typeof num.length == 'undefined') { + throw num.length + '/' + shift; + } + + var _num = function() { + var offset = 0; + while (offset < num.length && num[offset] == 0) { + offset += 1; + } + var _num = new Array(num.length - offset + shift); + for (var i = 0; i < num.length - offset; i += 1) { + _num[i] = num[i + offset]; + } + return _num; + }(); + + var _this = {}; + + _this.getAt = function(index) { + return _num[index]; + }; + + _this.getLength = function() { + return _num.length; + }; + + _this.multiply = function(e) { + + var num = new Array(_this.getLength() + e.getLength() - 1); + + for (var i = 0; i < _this.getLength(); i += 1) { + for (var j = 0; j < e.getLength(); j += 1) { + num[i + j] ^= QRMath.gexp(QRMath.glog(_this.getAt(i) ) + QRMath.glog(e.getAt(j) ) ); + } + } + + return qrPolynomial(num, 0); + }; + + _this.mod = function(e) { + + if (_this.getLength() - e.getLength() < 0) { + return _this; + } + + var ratio = QRMath.glog(_this.getAt(0) ) - QRMath.glog(e.getAt(0) ); + + var num = new Array(_this.getLength() ); + for (var i = 0; i < _this.getLength(); i += 1) { + num[i] = _this.getAt(i); + } + + for (var i = 0; i < e.getLength(); i += 1) { + num[i] ^= QRMath.gexp(QRMath.glog(e.getAt(i) ) + ratio); + } + + // recursive call + return qrPolynomial(num, 0).mod(e); + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // QRRSBlock + //--------------------------------------------------------------------- + + var QRRSBlock = function() { + + var RS_BLOCK_TABLE = [ + + // L + // M + // Q + // H + + // 1 + [1, 26, 19], + [1, 26, 16], + [1, 26, 13], + [1, 26, 9], + + // 2 + [1, 44, 34], + [1, 44, 28], + [1, 44, 22], + [1, 44, 16], + + // 3 + [1, 70, 55], + [1, 70, 44], + [2, 35, 17], + [2, 35, 13], + + // 4 + [1, 100, 80], + [2, 50, 32], + [2, 50, 24], + [4, 25, 9], + + // 5 + [1, 134, 108], + [2, 67, 43], + [2, 33, 15, 2, 34, 16], + [2, 33, 11, 2, 34, 12], + + // 6 + [2, 86, 68], + [4, 43, 27], + [4, 43, 19], + [4, 43, 15], + + // 7 + [2, 98, 78], + [4, 49, 31], + [2, 32, 14, 4, 33, 15], + [4, 39, 13, 1, 40, 14], + + // 8 + [2, 121, 97], + [2, 60, 38, 2, 61, 39], + [4, 40, 18, 2, 41, 19], + [4, 40, 14, 2, 41, 15], + + // 9 + [2, 146, 116], + [3, 58, 36, 2, 59, 37], + [4, 36, 16, 4, 37, 17], + [4, 36, 12, 4, 37, 13], + + // 10 + [2, 86, 68, 2, 87, 69], + [4, 69, 43, 1, 70, 44], + [6, 43, 19, 2, 44, 20], + [6, 43, 15, 2, 44, 16], + + // 11 + [4, 101, 81], + [1, 80, 50, 4, 81, 51], + [4, 50, 22, 4, 51, 23], + [3, 36, 12, 8, 37, 13], + + // 12 + [2, 116, 92, 2, 117, 93], + [6, 58, 36, 2, 59, 37], + [4, 46, 20, 6, 47, 21], + [7, 42, 14, 4, 43, 15], + + // 13 + [4, 133, 107], + [8, 59, 37, 1, 60, 38], + [8, 44, 20, 4, 45, 21], + [12, 33, 11, 4, 34, 12], + + // 14 + [3, 145, 115, 1, 146, 116], + [4, 64, 40, 5, 65, 41], + [11, 36, 16, 5, 37, 17], + [11, 36, 12, 5, 37, 13], + + // 15 + [5, 109, 87, 1, 110, 88], + [5, 65, 41, 5, 66, 42], + [5, 54, 24, 7, 55, 25], + [11, 36, 12, 7, 37, 13], + + // 16 + [5, 122, 98, 1, 123, 99], + [7, 73, 45, 3, 74, 46], + [15, 43, 19, 2, 44, 20], + [3, 45, 15, 13, 46, 16], + + // 17 + [1, 135, 107, 5, 136, 108], + [10, 74, 46, 1, 75, 47], + [1, 50, 22, 15, 51, 23], + [2, 42, 14, 17, 43, 15], + + // 18 + [5, 150, 120, 1, 151, 121], + [9, 69, 43, 4, 70, 44], + [17, 50, 22, 1, 51, 23], + [2, 42, 14, 19, 43, 15], + + // 19 + [3, 141, 113, 4, 142, 114], + [3, 70, 44, 11, 71, 45], + [17, 47, 21, 4, 48, 22], + [9, 39, 13, 16, 40, 14], + + // 20 + [3, 135, 107, 5, 136, 108], + [3, 67, 41, 13, 68, 42], + [15, 54, 24, 5, 55, 25], + [15, 43, 15, 10, 44, 16], + + // 21 + [4, 144, 116, 4, 145, 117], + [17, 68, 42], + [17, 50, 22, 6, 51, 23], + [19, 46, 16, 6, 47, 17], + + // 22 + [2, 139, 111, 7, 140, 112], + [17, 74, 46], + [7, 54, 24, 16, 55, 25], + [34, 37, 13], + + // 23 + [4, 151, 121, 5, 152, 122], + [4, 75, 47, 14, 76, 48], + [11, 54, 24, 14, 55, 25], + [16, 45, 15, 14, 46, 16], + + // 24 + [6, 147, 117, 4, 148, 118], + [6, 73, 45, 14, 74, 46], + [11, 54, 24, 16, 55, 25], + [30, 46, 16, 2, 47, 17], + + // 25 + [8, 132, 106, 4, 133, 107], + [8, 75, 47, 13, 76, 48], + [7, 54, 24, 22, 55, 25], + [22, 45, 15, 13, 46, 16], + + // 26 + [10, 142, 114, 2, 143, 115], + [19, 74, 46, 4, 75, 47], + [28, 50, 22, 6, 51, 23], + [33, 46, 16, 4, 47, 17], + + // 27 + [8, 152, 122, 4, 153, 123], + [22, 73, 45, 3, 74, 46], + [8, 53, 23, 26, 54, 24], + [12, 45, 15, 28, 46, 16], + + // 28 + [3, 147, 117, 10, 148, 118], + [3, 73, 45, 23, 74, 46], + [4, 54, 24, 31, 55, 25], + [11, 45, 15, 31, 46, 16], + + // 29 + [7, 146, 116, 7, 147, 117], + [21, 73, 45, 7, 74, 46], + [1, 53, 23, 37, 54, 24], + [19, 45, 15, 26, 46, 16], + + // 30 + [5, 145, 115, 10, 146, 116], + [19, 75, 47, 10, 76, 48], + [15, 54, 24, 25, 55, 25], + [23, 45, 15, 25, 46, 16], + + // 31 + [13, 145, 115, 3, 146, 116], + [2, 74, 46, 29, 75, 47], + [42, 54, 24, 1, 55, 25], + [23, 45, 15, 28, 46, 16], + + // 32 + [17, 145, 115], + [10, 74, 46, 23, 75, 47], + [10, 54, 24, 35, 55, 25], + [19, 45, 15, 35, 46, 16], + + // 33 + [17, 145, 115, 1, 146, 116], + [14, 74, 46, 21, 75, 47], + [29, 54, 24, 19, 55, 25], + [11, 45, 15, 46, 46, 16], + + // 34 + [13, 145, 115, 6, 146, 116], + [14, 74, 46, 23, 75, 47], + [44, 54, 24, 7, 55, 25], + [59, 46, 16, 1, 47, 17], + + // 35 + [12, 151, 121, 7, 152, 122], + [12, 75, 47, 26, 76, 48], + [39, 54, 24, 14, 55, 25], + [22, 45, 15, 41, 46, 16], + + // 36 + [6, 151, 121, 14, 152, 122], + [6, 75, 47, 34, 76, 48], + [46, 54, 24, 10, 55, 25], + [2, 45, 15, 64, 46, 16], + + // 37 + [17, 152, 122, 4, 153, 123], + [29, 74, 46, 14, 75, 47], + [49, 54, 24, 10, 55, 25], + [24, 45, 15, 46, 46, 16], + + // 38 + [4, 152, 122, 18, 153, 123], + [13, 74, 46, 32, 75, 47], + [48, 54, 24, 14, 55, 25], + [42, 45, 15, 32, 46, 16], + + // 39 + [20, 147, 117, 4, 148, 118], + [40, 75, 47, 7, 76, 48], + [43, 54, 24, 22, 55, 25], + [10, 45, 15, 67, 46, 16], + + // 40 + [19, 148, 118, 6, 149, 119], + [18, 75, 47, 31, 76, 48], + [34, 54, 24, 34, 55, 25], + [20, 45, 15, 61, 46, 16] + ]; + + var qrRSBlock = function(totalCount, dataCount) { + var _this = {}; + _this.totalCount = totalCount; + _this.dataCount = dataCount; + return _this; + }; + + var _this = {}; + + var getRsBlockTable = function(typeNumber, errorCorrectionLevel) { + + switch(errorCorrectionLevel) { + case QRErrorCorrectionLevel.L : + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0]; + case QRErrorCorrectionLevel.M : + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1]; + case QRErrorCorrectionLevel.Q : + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2]; + case QRErrorCorrectionLevel.H : + return RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3]; + default : + return undefined; + } + }; + + _this.getRSBlocks = function(typeNumber, errorCorrectionLevel) { + + var rsBlock = getRsBlockTable(typeNumber, errorCorrectionLevel); + + if (typeof rsBlock == 'undefined') { + throw 'bad rs block @ typeNumber:' + typeNumber + + '/errorCorrectionLevel:' + errorCorrectionLevel; + } + + var length = rsBlock.length / 3; + + var list = []; + + for (var i = 0; i < length; i += 1) { + + var count = rsBlock[i * 3 + 0]; + var totalCount = rsBlock[i * 3 + 1]; + var dataCount = rsBlock[i * 3 + 2]; + + for (var j = 0; j < count; j += 1) { + list.push(qrRSBlock(totalCount, dataCount) ); + } + } + + return list; + }; + + return _this; + }(); + + //--------------------------------------------------------------------- + // qrBitBuffer + //--------------------------------------------------------------------- + + var qrBitBuffer = function() { + + var _buffer = []; + var _length = 0; + + var _this = {}; + + _this.getBuffer = function() { + return _buffer; + }; + + _this.getAt = function(index) { + var bufIndex = Math.floor(index / 8); + return ( (_buffer[bufIndex] >>> (7 - index % 8) ) & 1) == 1; + }; + + _this.put = function(num, length) { + for (var i = 0; i < length; i += 1) { + _this.putBit( ( (num >>> (length - i - 1) ) & 1) == 1); + } + }; + + _this.getLengthInBits = function() { + return _length; + }; + + _this.putBit = function(bit) { + + var bufIndex = Math.floor(_length / 8); + if (_buffer.length <= bufIndex) { + _buffer.push(0); + } + + if (bit) { + _buffer[bufIndex] |= (0x80 >>> (_length % 8) ); + } + + _length += 1; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrNumber + //--------------------------------------------------------------------- + + var qrNumber = function(data) { + + var _mode = QRMode.MODE_NUMBER; + var _data = data; + + var _this = {}; + + _this.getMode = function() { + return _mode; + }; + + _this.getLength = function(buffer) { + return _data.length; + }; + + _this.write = function(buffer) { + + var data = _data; + + var i = 0; + + while (i + 2 < data.length) { + buffer.put(strToNum(data.substring(i, i + 3) ), 10); + i += 3; + } + + if (i < data.length) { + if (data.length - i == 1) { + buffer.put(strToNum(data.substring(i, i + 1) ), 4); + } else if (data.length - i == 2) { + buffer.put(strToNum(data.substring(i, i + 2) ), 7); + } + } + }; + + var strToNum = function(s) { + var num = 0; + for (var i = 0; i < s.length; i += 1) { + num = num * 10 + chatToNum(s.charAt(i) ); + } + return num; + }; + + var chatToNum = function(c) { + if ('0' <= c && c <= '9') { + return c.charCodeAt(0) - '0'.charCodeAt(0); + } + throw 'illegal char :' + c; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrAlphaNum + //--------------------------------------------------------------------- + + var qrAlphaNum = function(data) { + + var _mode = QRMode.MODE_ALPHA_NUM; + var _data = data; + + var _this = {}; + + _this.getMode = function() { + return _mode; + }; + + _this.getLength = function(buffer) { + return _data.length; + }; + + _this.write = function(buffer) { + + var s = _data; + + var i = 0; + + while (i + 1 < s.length) { + buffer.put( + getCode(s.charAt(i) ) * 45 + + getCode(s.charAt(i + 1) ), 11); + i += 2; + } + + if (i < s.length) { + buffer.put(getCode(s.charAt(i) ), 6); + } + }; + + var getCode = function(c) { + + if ('0' <= c && c <= '9') { + return c.charCodeAt(0) - '0'.charCodeAt(0); + } else if ('A' <= c && c <= 'Z') { + return c.charCodeAt(0) - 'A'.charCodeAt(0) + 10; + } else { + switch (c) { + case ' ' : return 36; + case '$' : return 37; + case '%' : return 38; + case '*' : return 39; + case '+' : return 40; + case '-' : return 41; + case '.' : return 42; + case '/' : return 43; + case ':' : return 44; + default : + throw 'illegal char :' + c; + } + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qr8BitByte + //--------------------------------------------------------------------- + + var qr8BitByte = function(data) { + + var _mode = QRMode.MODE_8BIT_BYTE; + var _data = data; + var _bytes = qrcode.stringToBytes(data); + + var _this = {}; + + _this.getMode = function() { + return _mode; + }; + + _this.getLength = function(buffer) { + return _bytes.length; + }; + + _this.write = function(buffer) { + for (var i = 0; i < _bytes.length; i += 1) { + buffer.put(_bytes[i], 8); + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // qrKanji + //--------------------------------------------------------------------- + + var qrKanji = function(data) { + + var _mode = QRMode.MODE_KANJI; + var _data = data; + + var stringToBytes = qrcode.stringToBytesFuncs['SJIS']; + if (!stringToBytes) { + throw 'sjis not supported.'; + } + !function(c, code) { + // self test for sjis support. + var test = stringToBytes(c); + if (test.length != 2 || ( (test[0] << 8) | test[1]) != code) { + throw 'sjis not supported.'; + } + }('\u53cb', 0x9746); + + var _bytes = stringToBytes(data); + + var _this = {}; + + _this.getMode = function() { + return _mode; + }; + + _this.getLength = function(buffer) { + return ~~(_bytes.length / 2); + }; + + _this.write = function(buffer) { + + var data = _bytes; + + var i = 0; + + while (i + 1 < data.length) { + + var c = ( (0xff & data[i]) << 8) | (0xff & data[i + 1]); + + if (0x8140 <= c && c <= 0x9FFC) { + c -= 0x8140; + } else if (0xE040 <= c && c <= 0xEBBF) { + c -= 0xC140; + } else { + throw 'illegal char at ' + (i + 1) + '/' + c; + } + + c = ( (c >>> 8) & 0xff) * 0xC0 + (c & 0xff); + + buffer.put(c, 13); + + i += 2; + } + + if (i < data.length) { + throw 'illegal char at ' + (i + 1); + } + }; + + return _this; + }; + + //===================================================================== + // GIF Support etc. + // + + //--------------------------------------------------------------------- + // byteArrayOutputStream + //--------------------------------------------------------------------- + + var byteArrayOutputStream = function() { + + var _bytes = []; + + var _this = {}; + + _this.writeByte = function(b) { + _bytes.push(b & 0xff); + }; + + _this.writeShort = function(i) { + _this.writeByte(i); + _this.writeByte(i >>> 8); + }; + + _this.writeBytes = function(b, off, len) { + off = off || 0; + len = len || b.length; + for (var i = 0; i < len; i += 1) { + _this.writeByte(b[i + off]); + } + }; + + _this.writeString = function(s) { + for (var i = 0; i < s.length; i += 1) { + _this.writeByte(s.charCodeAt(i) ); + } + }; + + _this.toByteArray = function() { + return _bytes; + }; + + _this.toString = function() { + var s = ''; + s += '['; + for (var i = 0; i < _bytes.length; i += 1) { + if (i > 0) { + s += ','; + } + s += _bytes[i]; + } + s += ']'; + return s; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // base64EncodeOutputStream + //--------------------------------------------------------------------- + + var base64EncodeOutputStream = function() { + + var _buffer = 0; + var _buflen = 0; + var _length = 0; + var _base64 = ''; + + var _this = {}; + + var writeEncoded = function(b) { + _base64 += String.fromCharCode(encode(b & 0x3f) ); + }; + + var encode = function(n) { + if (n < 0) { + // error. + } else if (n < 26) { + return 0x41 + n; + } else if (n < 52) { + return 0x61 + (n - 26); + } else if (n < 62) { + return 0x30 + (n - 52); + } else if (n == 62) { + return 0x2b; + } else if (n == 63) { + return 0x2f; + } + throw 'n:' + n; + }; + + _this.writeByte = function(n) { + + _buffer = (_buffer << 8) | (n & 0xff); + _buflen += 8; + _length += 1; + + while (_buflen >= 6) { + writeEncoded(_buffer >>> (_buflen - 6) ); + _buflen -= 6; + } + }; + + _this.flush = function() { + + if (_buflen > 0) { + writeEncoded(_buffer << (6 - _buflen) ); + _buffer = 0; + _buflen = 0; + } + + if (_length % 3 != 0) { + // padding + var padlen = 3 - _length % 3; + for (var i = 0; i < padlen; i += 1) { + _base64 += '='; + } + } + }; + + _this.toString = function() { + return _base64; + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // base64DecodeInputStream + //--------------------------------------------------------------------- + + var base64DecodeInputStream = function(str) { + + var _str = str; + var _pos = 0; + var _buffer = 0; + var _buflen = 0; + + var _this = {}; + + _this.read = function() { + + while (_buflen < 8) { + + if (_pos >= _str.length) { + if (_buflen == 0) { + return -1; + } + throw 'unexpected end of file./' + _buflen; + } + + var c = _str.charAt(_pos); + _pos += 1; + + if (c == '=') { + _buflen = 0; + return -1; + } else if (c.match(/^\s$/) ) { + // ignore if whitespace. + continue; + } + + _buffer = (_buffer << 6) | decode(c.charCodeAt(0) ); + _buflen += 6; + } + + var n = (_buffer >>> (_buflen - 8) ) & 0xff; + _buflen -= 8; + return n; + }; + + var decode = function(c) { + if (0x41 <= c && c <= 0x5a) { + return c - 0x41; + } else if (0x61 <= c && c <= 0x7a) { + return c - 0x61 + 26; + } else if (0x30 <= c && c <= 0x39) { + return c - 0x30 + 52; + } else if (c == 0x2b) { + return 62; + } else if (c == 0x2f) { + return 63; + } else { + throw 'c:' + c; + } + }; + + return _this; + }; + + //--------------------------------------------------------------------- + // gifImage (B/W) + //--------------------------------------------------------------------- + + var gifImage = function(width, height) { + + var _width = width; + var _height = height; + var _data = new Array(width * height); + + var _this = {}; + + _this.setPixel = function(x, y, pixel) { + _data[y * _width + x] = pixel; + }; + + _this.write = function(out) { + + //--------------------------------- + // GIF Signature + + out.writeString('GIF87a'); + + //--------------------------------- + // Screen Descriptor + + out.writeShort(_width); + out.writeShort(_height); + + out.writeByte(0x80); // 2bit + out.writeByte(0); + out.writeByte(0); + + //--------------------------------- + // Global Color Map + + // black + out.writeByte(0x00); + out.writeByte(0x00); + out.writeByte(0x00); + + // white + out.writeByte(0xff); + out.writeByte(0xff); + out.writeByte(0xff); + + //--------------------------------- + // Image Descriptor + + out.writeString(','); + out.writeShort(0); + out.writeShort(0); + out.writeShort(_width); + out.writeShort(_height); + out.writeByte(0); + + //--------------------------------- + // Local Color Map + + //--------------------------------- + // Raster Data + + var lzwMinCodeSize = 2; + var raster = getLZWRaster(lzwMinCodeSize); + + out.writeByte(lzwMinCodeSize); + + var offset = 0; + + while (raster.length - offset > 255) { + out.writeByte(255); + out.writeBytes(raster, offset, 255); + offset += 255; + } + + out.writeByte(raster.length - offset); + out.writeBytes(raster, offset, raster.length - offset); + out.writeByte(0x00); + + //--------------------------------- + // GIF Terminator + out.writeString(';'); + }; + + var bitOutputStream = function(out) { + + var _out = out; + var _bitLength = 0; + var _bitBuffer = 0; + + var _this = {}; + + _this.write = function(data, length) { + + if ( (data >>> length) != 0) { + throw 'length over'; + } + + while (_bitLength + length >= 8) { + _out.writeByte(0xff & ( (data << _bitLength) | _bitBuffer) ); + length -= (8 - _bitLength); + data >>>= (8 - _bitLength); + _bitBuffer = 0; + _bitLength = 0; + } + + _bitBuffer = (data << _bitLength) | _bitBuffer; + _bitLength = _bitLength + length; + }; + + _this.flush = function() { + if (_bitLength > 0) { + _out.writeByte(_bitBuffer); + } + }; + + return _this; + }; + + var getLZWRaster = function(lzwMinCodeSize) { + + var clearCode = 1 << lzwMinCodeSize; + var endCode = (1 << lzwMinCodeSize) + 1; + var bitLength = lzwMinCodeSize + 1; + + // Setup LZWTable + var table = lzwTable(); + + for (var i = 0; i < clearCode; i += 1) { + table.add(String.fromCharCode(i) ); + } + table.add(String.fromCharCode(clearCode) ); + table.add(String.fromCharCode(endCode) ); + + var byteOut = byteArrayOutputStream(); + var bitOut = bitOutputStream(byteOut); + + // clear code + bitOut.write(clearCode, bitLength); + + var dataIndex = 0; + + var s = String.fromCharCode(_data[dataIndex]); + dataIndex += 1; + + while (dataIndex < _data.length) { + + var c = String.fromCharCode(_data[dataIndex]); + dataIndex += 1; + + if (table.contains(s + c) ) { + + s = s + c; + + } else { + + bitOut.write(table.indexOf(s), bitLength); + + if (table.size() < 0xfff) { + + if (table.size() == (1 << bitLength) ) { + bitLength += 1; + } + + table.add(s + c); + } + + s = c; + } + } + + bitOut.write(table.indexOf(s), bitLength); + + // end code + bitOut.write(endCode, bitLength); + + bitOut.flush(); + + return byteOut.toByteArray(); + }; + + var lzwTable = function() { + + var _map = {}; + var _size = 0; + + var _this = {}; + + _this.add = function(key) { + if (_this.contains(key) ) { + throw 'dup key:' + key; + } + _map[key] = _size; + _size += 1; + }; + + _this.size = function() { + return _size; + }; + + _this.indexOf = function(key) { + return _map[key]; + }; + + _this.contains = function(key) { + return typeof _map[key] != 'undefined'; + }; + + return _this; + }; + + return _this; + }; + + var createDataURL = function(width, height, getPixel) { + var gif = gifImage(width, height); + for (var y = 0; y < height; y += 1) { + for (var x = 0; x < width; x += 1) { + gif.setPixel(x, y, getPixel(x, y) ); + } + } + + var b = byteArrayOutputStream(); + gif.write(b); + + var base64 = base64EncodeOutputStream(); + var bytes = b.toByteArray(); + for (var i = 0; i < bytes.length; i += 1) { + base64.writeByte(bytes[i]); + } + base64.flush(); + + return 'data:image/gif;base64,' + base64; + }; + + //--------------------------------------------------------------------- + // returns qrcode function. + + return qrcode; +}(); + +// multibyte support +!function() { + + qrcode.stringToBytesFuncs['UTF-8'] = function(s) { + // http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array + function toUTF8Array(str) { + var utf8 = []; + for (var i=0; i < str.length; i++) { + var charcode = str.charCodeAt(i); + if (charcode < 0x80) utf8.push(charcode); + else if (charcode < 0x800) { + utf8.push(0xc0 | (charcode >> 6), + 0x80 | (charcode & 0x3f)); + } + else if (charcode < 0xd800 || charcode >= 0xe000) { + utf8.push(0xe0 | (charcode >> 12), + 0x80 | ((charcode>>6) & 0x3f), + 0x80 | (charcode & 0x3f)); + } + // surrogate pair + else { + i++; + // UTF-16 encodes 0x10000-0x10FFFF by + // subtracting 0x10000 and splitting the + // 20 bits of 0x0-0xFFFFF into two halves + charcode = 0x10000 + (((charcode & 0x3ff)<<10) + | (str.charCodeAt(i) & 0x3ff)); + utf8.push(0xf0 | (charcode >>18), + 0x80 | ((charcode>>12) & 0x3f), + 0x80 | ((charcode>>6) & 0x3f), + 0x80 | (charcode & 0x3f)); + } + } + return utf8; + } + return toUTF8Array(s); + }; + +}(); + +(function (factory) { + if (typeof define === 'function' && define.amd) { + define([], factory); + } else if (typeof exports === 'object') { + module.exports = factory(); + } +}(function () { + return qrcode; +}));