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.example.android.rs.balls; 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 BallsView extends RSSurfaceView { 43 BallsView(Context context)44 public BallsView(Context context) { 45 super(context); 46 //setFocusable(true); 47 } 48 49 private RenderScriptGL mRS; 50 private BallsRS mRender; 51 surfaceChanged(SurfaceHolder holder, int format, int w, int h)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 BallsRS(); 59 mRender.init(mRS, getResources(), w, h); 60 } 61 mRender.updateProjectionMatrices(); 62 } 63 64 @Override onDetachedFromWindow()65 protected void onDetachedFromWindow() { 66 if(mRS != null) { 67 mRS = null; 68 destroyRenderScriptGL(); 69 } 70 } 71 72 73 @Override onTouchEvent(MotionEvent ev)74 public boolean onTouchEvent(MotionEvent ev) 75 { 76 int act = ev.getActionMasked(); 77 if (act == ev.ACTION_UP) { 78 mRender.newTouchPosition(0, 0, 0, ev.getPointerId(0)); 79 return false; 80 } else if (act == MotionEvent.ACTION_POINTER_UP) { 81 // only one pointer going up, we can get the index like this 82 int pointerIndex = ev.getActionIndex(); 83 int pointerId = ev.getPointerId(pointerIndex); 84 mRender.newTouchPosition(0, 0, 0, pointerId); 85 return false; 86 } 87 int count = ev.getHistorySize(); 88 int pcount = ev.getPointerCount(); 89 90 for (int p=0; p < pcount; p++) { 91 int id = ev.getPointerId(p); 92 mRender.newTouchPosition(ev.getX(p), 93 ev.getY(p), 94 ev.getPressure(p), 95 id); 96 97 for (int i=0; i < count; i++) { 98 mRender.newTouchPosition(ev.getHistoricalX(p, i), 99 ev.getHistoricalY(p, i), 100 ev.getHistoricalPressure(p, i), 101 id); 102 } 103 } 104 return true; 105 } 106 setAccel(float x, float y, float z)107 void setAccel(float x, float y, float z) { 108 if (mRender == null) { 109 return; 110 } 111 mRender.setAccel(x, -y); 112 } 113 114 } 115 116 117