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using UnityEngine;
using System.Collections;
using System.Runtime.InteropServices;
using System;
public class EasyCodeScannerExample : MonoBehaviour {
	static string dataStr;
	public Renderer PlaneRender;
	void Start () {
		dataStr = "";
		// Initialize EasyCodeScanner
		EasyCodeScanner.Initialize();
		//Register on Actions
		EasyCodeScanner.OnScannerMessage += onScannerMessage;
		EasyCodeScanner.OnScannerEvent += onScannerEvent;
		EasyCodeScanner.OnDecoderMessage += onDecoderMessage;
		//Screen.orientation = ScreenOrientation.LandscapeLeft;
	void OnDestroy() {
		//Unregister
		EasyCodeScanner.OnScannerMessage -= onScannerMessage;
		EasyCodeScanner.OnScannerEvent -= onScannerEvent;
		EasyCodeScanner.OnDecoderMessage -= onDecoderMessage;
	public void Update() {
		if (Input.GetKeyDown(KeyCode.Escape)) { 
			Application.Quit();
	void OnGUI ()
		//--- To be replaced by your controls, just to showcase ---
		if (GUI.Button(new Rect (10, 125, 300, 100), "Launch scanner"))
			//for code list, see : http://zbar.sourceforge.net/api/zbar_8h.html#f7818ad6458f9f40362eecda97acdcb0
			// and zbar.h 
			typedef enum zbar_symbol_type_e {
		    ZBAR_NONE        =      0,  < no symbol decoded 
		    ZBAR_PARTIAL     =      1,  < intermediate status 
		    ZBAR_EAN8        =      8,  < EAN-8 /
		    ZBAR_UPCE        =      9,  < UPC-E 
		    ZBAR_ISBN10      =     10,  < ISBN-10 (from EAN-13). @since 0.4 
		    ZBAR_UPCA        =     12,  < UPC-A 
		    ZBAR_EAN13       =     13,  < EAN-13 
		    ZBAR_ISBN13      =     14,  < ISBN-13 (from EAN-13). @since 0.4 
		    ZBAR_I25         =     25,  < Interleaved 2 of 5. @since 0.4 
		    ZBAR_CODE39      =     39,  < Code 39. @since 0.4 
		    ZBAR_PDF417      =     57,  < PDF417. @since 0.6 
		    ZBAR_QRCODE      =     64,  < QR Code. @since 0.10 
		    ZBAR_CODE128     =    128,  < Code 128 
		    ZBAR_SYMBOL      = 0x00ff,  < mask for base symbol type 
		    ZBAR_ADDON2      = 0x0200,  < 2-digit add-on flag 
		    ZBAR_ADDON5      = 0x0500,  < 5-digit add-on flag 
		    ZBAR_ADDON       = 0x0700,  < add-on flag mask 
			} zbar_symbol_type_t;
			//for instance, only QRCodes
			//launchScanner( true, "Scanning...", 64, true);
			//all codes at the same time : value = -1
			EasyCodeScanner.launchScanner( true, "Scanning...", -1, true);
		dataStr = GUI.TextArea(new Rect (10, 275, 300, 100), dataStr);
	//Callback when returns from the scanner
	void onScannerMessage(string data){
		Debug.Log("EasyCodeScannerExample - onScannerMessage data=:"+data);
		dataStr = data;
		//Just to show case : get the image and display it on a Plane
		Texture2D tex = EasyCodeScanner.getScannerImage(200, 200);
		PlaneRender.material.mainTexture = tex;
		//Just to show case : decode a texture/image - refer to code list
		EasyCodeScanner.decodeImage(-1, tex);
	//Callback which notifies an event
	//param : "EVENT_OPENED", "EVENT_CLOSED"
	void onScannerEvent(string eventStr){
		Debug.Log("EasyCodeScannerExample - onScannerEvent:"+eventStr);
	//Callback when decodeImage has decoded the image/texture 
	void onDecoderMessage(string data){
		Debug.Log("EasyCodeScannerExample - onDecoderMessage data:"+data);
		dataStr = data;

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