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      1 /*
      2  * Copyright (C) 2008 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 com.android.modelviewer;
     18 
     19 import java.io.Writer;
     20 import java.util.ArrayList;
     21 import java.util.concurrent.Semaphore;
     22 
     23 import android.renderscript.RSSurfaceView;
     24 import android.renderscript.RenderScript;
     25 import android.renderscript.RenderScriptGL;
     26 
     27 import android.content.Context;
     28 import android.content.res.Resources;
     29 import android.graphics.Bitmap;
     30 import android.graphics.drawable.BitmapDrawable;
     31 import android.graphics.drawable.Drawable;
     32 import android.os.Handler;
     33 import android.os.Message;
     34 import android.util.AttributeSet;
     35 import android.util.Log;
     36 import android.view.Surface;
     37 import android.view.SurfaceHolder;
     38 import android.view.SurfaceView;
     39 import android.view.KeyEvent;
     40 import android.view.MotionEvent;
     41 
     42 public class SceneGraphView extends RSSurfaceView {
     43 
     44     public SceneGraphView(Context context) {
     45         super(context);
     46         //setFocusable(true);
     47     }
     48 
     49     private RenderScriptGL mRS;
     50     private SceneGraphRS mRender;
     51 
     52 
     53     public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
     54         super.surfaceChanged(holder, format, w, h);
     55         if (mRS == null) {
     56             RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
     57             sc.setDepth(16, 24);
     58             mRS = createRenderScriptGL(sc);
     59             mRS.setSurface(holder, w, h);
     60             mRender = new SceneGraphRS();
     61             mRender.init(mRS, getResources(), w, h);
     62         }
     63     }
     64 
     65     @Override
     66     protected void onDetachedFromWindow() {
     67         if (mRS != null) {
     68             mRS = null;
     69             destroyRenderScriptGL();
     70         }
     71     }
     72 
     73     @Override
     74     public boolean onKeyDown(int keyCode, KeyEvent event)
     75     {
     76         // break point at here
     77         // this method doesn't work when 'extends View' include 'extends ScrollView'.
     78         return super.onKeyDown(keyCode, event);
     79     }
     80 
     81 
     82     @Override
     83     public boolean onTouchEvent(MotionEvent ev)
     84     {
     85         boolean ret = true;
     86         int act = ev.getAction();
     87         if (act == ev.ACTION_UP) {
     88             ret = false;
     89         }
     90 
     91         mRender.touchEvent((int)ev.getX(), (int)ev.getY());
     92         return ret;
     93     }
     94 }
     95 
     96 
     97