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.android.fountain_v11;
18
19import java.io.Writer;
20import java.util.ArrayList;
21import java.util.concurrent.Semaphore;
22
23import android.renderscript.RSSurfaceView;
24import android.renderscript.RenderScript;
25import android.renderscript.RenderScriptGL;
26
27import android.content.Context;
28import android.content.res.Resources;
29import android.graphics.Bitmap;
30import android.graphics.drawable.BitmapDrawable;
31import android.graphics.drawable.Drawable;
32import android.os.Handler;
33import android.os.Message;
34import android.util.AttributeSet;
35import android.util.Log;
36import android.view.Surface;
37import android.view.SurfaceHolder;
38import android.view.SurfaceView;
39import android.view.KeyEvent;
40import android.view.MotionEvent;
41
42public class FountainView extends RSSurfaceView {
43
44    public FountainView(Context context) {
45        super(context);
46        //setFocusable(true);
47    }
48
49    private RenderScriptGL mRS;
50    private FountainRS mRender;
51
52    public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) {
53        super.surfaceChanged(holder, format, w, h);
54        if (mRS == null) {
55            RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig();
56            mRS = createRenderScriptGL(sc);
57            mRS.setSurface(holder, w, h);
58            mRender = new FountainRS();
59            mRender.init(mRS, getResources(), w, h);
60        }
61    }
62
63    @Override
64    protected void onDetachedFromWindow() {
65        if (mRS != null) {
66            mRS = null;
67            destroyRenderScriptGL();
68        }
69    }
70
71
72    @Override
73    public boolean onTouchEvent(MotionEvent ev)
74    {
75        int act = ev.getActionMasked();
76        if (act == ev.ACTION_UP) {
77            mRender.newTouchPosition(0, 0, 0, ev.getPointerId(0));
78            return false;
79        } else if (act == MotionEvent.ACTION_POINTER_UP) {
80            // only one pointer going up, we can get the index like this
81            int pointerIndex = ev.getActionIndex();
82            int pointerId = ev.getPointerId(pointerIndex);
83            mRender.newTouchPosition(0, 0, 0, pointerId);
84        }
85        int count = ev.getHistorySize();
86        int pcount = ev.getPointerCount();
87
88        for (int p=0; p < pcount; p++) {
89            int id = ev.getPointerId(p);
90            mRender.newTouchPosition(ev.getX(p),
91                                     ev.getY(p),
92                                     ev.getPressure(p),
93                                     id);
94
95            for (int i=0; i < count; i++) {
96                mRender.newTouchPosition(ev.getHistoricalX(p, i),
97                                         ev.getHistoricalY(p, i),
98                                         ev.getHistoricalPressure(p, i),
99                                         id);
100            }
101        }
102        return true;
103    }
104}
105
106
107