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Assets/ADL-Plugins/LZ4/Scripts/LZ4testWebGLtvOS.cs

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+using UnityEngine;
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine.Networking;
+
+
+
+public class LZ4testWebGLtvOS : MonoBehaviour
+{
+#if UNITY_WEBGL || UNITY_TVOS
+
+	private string myFile = "testLZ4b.png.lz4";
+
+	//an output Buffer for the decompressed lz4 buffer
+	private byte[] outbuffer = null;
+	private Texture2D tex = null;
+
+    byte[] compressedBuffer = null;
+	byte[] wwb = null;
+
+	private bool downloadDone2;
+
+	private string log = "";
+
+    //log for output of results
+    void plog(string t) {
+        log += t + "\n"; ;
+    }
+
+	void Start(){
+
+		tex = new Texture2D(1600,1280,TextureFormat.RGBA32, false);
+		//get an lz4 file as saved buffer from StreamingAssets
+		StartCoroutine( getFromSite() );
+
+		
+    }
+
+
+	
+	void OnGUI(){
+		
+		if (downloadDone2 == true) {
+			GUI.Label(new Rect(10, 0, 250, 30), "got package, ready to extract");
+		
+		
+
+			if (GUI.Button(new Rect(10, 90, 230, 50), "start Lz4 test")) {
+
+				StartCoroutine(performOperations());
+
+			}
+		}
+
+		if(tex != null) GUI.DrawTexture(new Rect(360, 10, 375, 300), tex);
+
+		GUI.TextArea(new Rect(10, 370, Screen.width - 20, Screen.height - 400), log);
+				
+	}
+
+
+
+	// ============================================================================================================================================================= 
+
+    	IEnumerator performOperations() {
+        log ="";
+        yield return true;
+
+        if(wwb == null) yield break; else plog("Image size: " + wwb.Length.ToString());
+
+        if(compressedBuffer != null) compressedBuffer = null;
+
+        compressedBuffer = LZ4.compressBuffer(wwb, 9);
+
+        plog("LZ4 buffer compressed. Size: " + compressedBuffer.Length.ToString());
+        yield return true;
+
+		plog("LZ4 decompress: " + LZ4.decompressBuffer(compressedBuffer, ref outbuffer).ToString() );
+		if(outbuffer != null) { tex.LoadImage(outbuffer); plog("Decompressed size: " + outbuffer.Length.ToString()); }
+        yield return true;
+    }
+
+	IEnumerator getFromSite() {
+		plog("getting image from site ...");
+
+         using (UnityWebRequest www = UnityWebRequest.Get("https://dl.dropbox.com/s/sp79pnbnw6xhn43/testLZ4b.png")) {
+            #if UNITY_5 || UNITY_4
+                yield return www.Send();
+            #else
+                yield return www.SendWebRequest();
+            #endif
+
+            if (www.error != null)  {
+                Debug.Log(www.error);
+            } else {
+                wwb = new byte[www.downloadHandler.data.Length];
+                Array.Copy(www.downloadHandler.data, 0, wwb, 0, www.downloadHandler.data.Length);
+                 plog("Got image");
+            }
+        }
+		
+
+		if(wwb == null) plog("Could not find file: " + myFile + " in StreamingAssets");
+
+		outbuffer = new byte[ 0 ];
+		downloadDone2 = true;
+        #if UNITY_TVOS && !UNITY_EDITOR
+            yield return true;
+            StartCoroutine(performOperations());
+        #endif
+	}
+
+#else
+    void OnGUI(){
+        GUI.Label(new Rect(10,10,500,40),"Only for WebGL or tvOS.");
+    }
+#endif
+
+}
+