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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package android.renderscript;
     18 
     19 import android.content.Context;
     20 import android.graphics.SurfaceTexture;
     21 import android.util.AttributeSet;
     22 import android.view.TextureView;
     23 
     24 /**
     25  * @hide
     26  * @deprecated in API 16
     27  * The Texture View for a graphics renderscript (RenderScriptGL)
     28  * to draw on.
     29  *
     30  */
     31 public class RSTextureView extends TextureView implements TextureView.SurfaceTextureListener {
     32     private RenderScriptGL mRS;
     33     private SurfaceTexture mSurfaceTexture;
     34 
     35     /**
     36      * @deprecated in API 16
     37      * Standard View constructor. In order to render something, you
     38      * must call {@link android.opengl.GLSurfaceView#setRenderer} to
     39      * register a renderer.
     40      */
     41     public RSTextureView(Context context) {
     42         super(context);
     43         init();
     44         //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
     45     }
     46 
     47     /**
     48      * @deprecated in API 16
     49      * Standard View constructor. In order to render something, you
     50      * must call {@link android.opengl.GLSurfaceView#setRenderer} to
     51      * register a renderer.
     52      */
     53     public RSTextureView(Context context, AttributeSet attrs) {
     54         super(context, attrs);
     55         init();
     56         //Log.v(RenderScript.LOG_TAG, "RSSurfaceView");
     57     }
     58 
     59     private void init() {
     60         setSurfaceTextureListener(this);
     61         //android.util.Log.e("rs", "getSurfaceTextureListerner " + getSurfaceTextureListener());
     62     }
     63 
     64     /**
     65      * @deprecated in API 16
     66      */
     67     @Override
     68     public void onSurfaceTextureAvailable(SurfaceTexture surface, int width, int height) {
     69         //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureAvailable");
     70         mSurfaceTexture = surface;
     71 
     72         if (mRS != null) {
     73             mRS.setSurfaceTexture(mSurfaceTexture, width, height);
     74         }
     75     }
     76 
     77     /**
     78      * @deprecated in API 16
     79      */
     80     @Override
     81     public void onSurfaceTextureSizeChanged(SurfaceTexture surface, int width, int height) {
     82         //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureSizeChanged");
     83         mSurfaceTexture = surface;
     84 
     85         if (mRS != null) {
     86             mRS.setSurfaceTexture(mSurfaceTexture, width, height);
     87         }
     88     }
     89 
     90     /**
     91      * @deprecated in API 16
     92      */
     93     @Override
     94     public boolean onSurfaceTextureDestroyed(SurfaceTexture surface) {
     95         //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureDestroyed");
     96         mSurfaceTexture = surface;
     97 
     98         if (mRS != null) {
     99             mRS.setSurfaceTexture(null, 0, 0);
    100         }
    101 
    102         return true;
    103     }
    104 
    105     /**
    106      * @deprecated in API 16
    107      */
    108     @Override
    109     public void onSurfaceTextureUpdated(SurfaceTexture surface) {
    110         //Log.e(RenderScript.LOG_TAG, "onSurfaceTextureUpdated");
    111         mSurfaceTexture = surface;
    112     }
    113 
    114    /**
    115      * @deprecated in API 16
    116      * Inform the view that the activity is paused. The owner of this view must
    117      * call this method when the activity is paused. Calling this method will
    118      * pause the rendering thread.
    119      * Must not be called before a renderer has been set.
    120      */
    121     public void pause() {
    122         if(mRS != null) {
    123             mRS.pause();
    124         }
    125     }
    126 
    127     /**
    128      * @deprecated in API 16
    129      * Inform the view that the activity is resumed. The owner of this view must
    130      * call this method when the activity is resumed. Calling this method will
    131      * recreate the OpenGL display and resume the rendering
    132      * thread.
    133      * Must not be called before a renderer has been set.
    134      */
    135     public void resume() {
    136         if(mRS != null) {
    137             mRS.resume();
    138         }
    139     }
    140 
    141     /**
    142      * @deprecated in API 16
    143      * Create a new RenderScriptGL object and attach it to the
    144      * TextureView if present.
    145      *
    146      *
    147      * @param sc The RS surface config to create.
    148      *
    149      * @return RenderScriptGL The new object created.
    150      */
    151     public RenderScriptGL createRenderScriptGL(RenderScriptGL.SurfaceConfig sc) {
    152         RenderScriptGL rs = new RenderScriptGL(this.getContext(), sc);
    153         setRenderScriptGL(rs);
    154         if (mSurfaceTexture != null) {
    155             mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
    156         }
    157         return rs;
    158     }
    159 
    160     /**
    161      * @deprecated in API 16
    162      * Destroy the RenderScriptGL object associated with this
    163      * TextureView.
    164      */
    165     public void destroyRenderScriptGL() {
    166         mRS.destroy();
    167         mRS = null;
    168     }
    169 
    170     /**
    171      * @deprecated in API 16
    172      * Set a new RenderScriptGL object.  This also will attach the
    173      * new object to the TextureView if present.
    174      *
    175      * @param rs The new RS object.
    176      */
    177     public void setRenderScriptGL(RenderScriptGL rs) {
    178         mRS = rs;
    179         if (mSurfaceTexture != null) {
    180             mRS.setSurfaceTexture(mSurfaceTexture, getWidth(), getHeight());
    181         }
    182     }
    183 
    184     /**
    185      * @deprecated in API 16
    186      * Returns the previously set RenderScriptGL object.
    187      *
    188      * @return RenderScriptGL
    189      */
    190     public RenderScriptGL getRenderScriptGL() {
    191         return mRS;
    192     }
    193 }
    194 
    195