Change the way to get pixels and finish the implementation of the APIs 🎉

Assets/uDesktopDuplication/Examples/Scripts/GetPixels.cs

@@ -1,15 +0,0 @@
-using UnityEngine;
-using System.Collections;
-
-public class GetPixels : MonoBehaviour {
-
-	// Use this for initialization
-	void Start () {
-	
-	}
-	
-	// Update is called once per frame
-	void Update () {
-	
-	}
-}

Assets/uDesktopDuplication/Examples/Scripts/GetPixelsExample.cs

@@ -0,0 +1,36 @@
+using UnityEngine;
+
+public class GetPixelsExample : MonoBehaviour
+{
+    [SerializeField] uDesktopDuplication.Texture uddTexture;
+
+    [SerializeField] int x = 100;
+    [SerializeField] int y = 100;
+    const int width = 64;
+    const int height = 32;
+    
+    public Texture2D texture;
+    Color32[] colors = new Color32[width * height];
+
+    void Start()
+    {
+        texture = new Texture2D(width, height, TextureFormat.ARGB32, false);
+        GetComponent<Renderer>().material.mainTexture = texture;
+    }
+
+    void Update()
+    {
+        // must be called (performance will be slightly down).
+        uDesktopDuplication.Manager.primary.useGetPixels = true;
+
+        var monitor = uddTexture.monitor;
+        if (!monitor.hasBeenUpdated) return;
+
+        if (monitor.GetPixels(colors, x, y, width, height)) {
+            texture.SetPixels32(colors);
+            texture.Apply();
+        }
+
+        Debug.Log(monitor.GetPixel(monitor.cursorX, monitor.cursorY));
+    }
+}

Assets/uDesktopDuplication/Examples/Scripts/GetPixelsExample.cs.meta

@@ -1,6 +1,6 @@
 fileFormatVersion: 2
-guid: bc0250b1a79f38b48bfddf1e05bda638
-timeCreated: 1480420057
+guid: fd3f838ff57152e44a1810274a9df49b
+timeCreated: 1480420430
 licenseType: Pro
 MonoImporter:
   serializedVersion: 2

Assets/uDesktopDuplication/Scripts/Lib.cs

@@ -172,7 +172,7 @@ public static class Lib
     [DllImport("uDesktopDuplication")]
     public static extern bool HasBeenUpdated(int id);
     [DllImport("uDesktopDuplication")]
-    public static extern bool UseGetPixels(bool use);
+    public static extern bool UseGetPixels(int id, bool use);
 
     public static string GetName(int id)
     {
@@ -216,10 +216,6 @@ public static class Lib
 
     public static bool GetPixels(int id, Color32[] colors, int x, int y, int width, int height)
     {
-        if (!Mathf.IsPowerOfTwo(width) || !Mathf.IsPowerOfTwo(height)) {
-            Debug.LogErrorFormat("width and height must be power of two.");
-            return false;
-        }
         if (colors.Length < width * height) {
             Debug.LogErrorFormat("colors is small.", id, x, y, width, height);
             return false;

Assets/uDesktopDuplication/Scripts/Manager.cs

@@ -52,14 +52,6 @@ public class Manager : MonoBehaviour
         }
     }
 
-    static public bool useGetPixels
-    {
-        set
-        {
-            Lib.UseGetPixels(value);
-        }
-    }
-
     [Tooltip("Debug mode is not applied while running.")]
     [SerializeField] DebugMode debugMode = DebugMode.File;
 
@@ -169,7 +161,8 @@ public class Manager : MonoBehaviour
                 state == MonitorState.NotSet ||
                 state == MonitorState.AccessLost || 
                 state == MonitorState.AccessDenied ||
-                state == MonitorState.SessionDisconnected
+                state == MonitorState.SessionDisconnected ||
+                state == MonitorState.Unknown
             ) {
                 reinitializeNeeded = true;
                 break;

Assets/uDesktopDuplication/Scripts/Monitor.cs

@@ -237,6 +237,20 @@ public class Monitor
         get { return Lib.HasBeenUpdated(id); }
     }
 
+    bool useGetPixels_ = false;
+    public bool useGetPixels
+    {
+        get
+        {
+            return useGetPixels_;
+        }
+        set
+        {
+            useGetPixels_ = value;
+            Lib.UseGetPixels(id, value);
+        }
+    }
+
     public bool shouldBeUpdated
     {
         get; 
@@ -325,16 +339,28 @@ public class Monitor
 
     public Color32[] GetPixels(int x, int y, int width, int height)
     {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return null;
+        }
         return Lib.GetPixels(id, x, y, width, height);
     }
 
     public bool GetPixels(Color32[] colors, int x, int y, int width, int height)
     {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return false;
+        }
         return Lib.GetPixels(id, colors, x, y, width, height);
     }
 
     public Color32 GetPixel(int x, int y)
     {
+        if (!useGetPixels_) {
+            Debug.LogErrorFormat("Please set Monitor[{0}].useGetPixels as true.", id);
+            return Color.black;
+        }
         return Lib.GetPixel(id, x, y);
     }
 }