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 
SceneGraphView(Context context)44     public SceneGraphView(Context context) {
45         super(context);
46         //setFocusable(true);
47     }
48 
49     private RenderScriptGL mRS;
50     private SceneGraphRS mRender;
51 
52 
surfaceChanged(SurfaceHolder holder, int format, int w, int h)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
onDetachedFromWindow()66     protected void onDetachedFromWindow() {
67         if (mRS != null) {
68             mRS = null;
69             destroyRenderScriptGL();
70         }
71     }
72 
73     @Override
onKeyDown(int keyCode, KeyEvent event)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
onTouchEvent(MotionEvent ev)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