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
17package com.example.android.rs.fountainfbo;
18
19
20import android.renderscript.RSTextureView;
21import android.renderscript.RenderScriptGL;
22import android.content.Context;
23import android.view.MotionEvent;
24
25public class FountainFboView extends RSTextureView {
26
27    public FountainFboView(Context context) {
28        super(context);
29    }
30
31    private RenderScriptGL mRS;
32    private FountainFboRS mRender;
33
34    @Override
35    protected void onAttachedToWindow() {
36        super.onAttachedToWindow();
37        android.util.Log.e("rs", "onAttachedToWindow");
38        if (mRS == null) {
39            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
40            mRS = createRenderScriptGL(sc);
41            mRender = new FountainFboRS();
42            mRender.init(mRS, getResources());
43        }
44    }
45
46    @Override
47    protected void onDetachedFromWindow() {
48        super.onDetachedFromWindow();
49        android.util.Log.e("rs", "onDetachedFromWindow");
50        if (mRS != null) {
51            mRS = null;
52            destroyRenderScriptGL();
53        }
54    }
55
56
57    @Override
58    public boolean onTouchEvent(MotionEvent ev)
59    {
60        int act = ev.getActionMasked();
61        if (act == ev.ACTION_UP) {
62            mRender.newTouchPosition(0, 0, 0, ev.getPointerId(0));
63            return false;
64        } else if (act == MotionEvent.ACTION_POINTER_UP) {
65            // only one pointer going up, we can get the index like this
66            int pointerIndex = ev.getActionIndex();
67            int pointerId = ev.getPointerId(pointerIndex);
68            mRender.newTouchPosition(0, 0, 0, pointerId);
69        }
70        int count = ev.getHistorySize();
71        int pcount = ev.getPointerCount();
72
73        for (int p=0; p < pcount; p++) {
74            int id = ev.getPointerId(p);
75            mRender.newTouchPosition(ev.getX(p),
76                                     ev.getY(p),
77                                     ev.getPressure(p),
78                                     id);
79
80            for (int i=0; i < count; i++) {
81                mRender.newTouchPosition(ev.getHistoricalX(p, i),
82                                         ev.getHistoricalY(p, i),
83                                         ev.getHistoricalPressure(p, i),
84                                         id);
85            }
86        }
87        return true;
88    }
89}
90
91
92