Unity UI : How to get masked image?

Question

Hello,

I have used UI:Mask component for masking, its working great. Now i want to make new image from masked image, which shows me only the masked image. So how can i get it.

Thanks

Answer 1

Answer by fafase · May 19, 2015 at 09:24 AM

if you know the position on screen you can read the screen and apply it to a texture:

         Texture2D tex = new Texture2D(128, 128);
         tex.ReadPixels(new Rect(startPos, endPos, width, height), 0, 0);
         tex.Apply();

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sarthakshah · May 19, 2015 at 09:50 AM 0

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Thanks

i have used following code

 public GameObject masked;
     public GameObject op;
 //    void Start ()
 //    {
 //        //renderer.material.mainTexture = masked.renderer.material.mainTexture;
 //        Rect rect = masked.GetComponent<RectTransform> ().rect;
 //        Texture2D tex = new Texture2D (128, 128);
 //        tex.ReadPixels (rect, 0, 0);
 //        tex.Apply ();
 //
 //        renderer.material.mainTexture = tex;
 //    }

 public bool grab;
 //public Renderer display;
 void OnPostRender ()
 {
     if (grab) {
         print ("scs");
         Rect rect = masked.GetComponent<RectTransform> ().rect;
         Texture2D tex = new Texture2D (128, 128);
         tex.ReadPixels (rect, 0, 0);
         tex.Apply ();
         op.renderer.material.mainTexture = tex;
         grab = false;
     }
 }

but its not working.

fafase sarthakshah · May 21, 2015 at 10:57 AM 0

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Not working at what level? Try to debug the value of rect.

Unity UI : How to get masked image?

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