Alex Sakhartchouk | 8e90f2b | 2011-04-01 14:19:01 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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.fbotest; |
| 18 | |
| 19 | import android.renderscript.RSSurfaceView; |
| 20 | import android.renderscript.RenderScriptGL; |
| 21 | |
| 22 | import android.content.Context; |
| 23 | import android.view.MotionEvent; |
| 24 | import android.view.SurfaceHolder; |
| 25 | import android.view.ScaleGestureDetector; |
| 26 | import android.util.Log; |
| 27 | |
| 28 | public class FBOTestView extends RSSurfaceView { |
| 29 | |
| 30 | private RenderScriptGL mRS; |
| 31 | private FBOTestRS mRender; |
| 32 | |
| 33 | private ScaleGestureDetector mScaleDetector; |
| 34 | |
| 35 | private static final int INVALID_POINTER_ID = -1; |
| 36 | private int mActivePointerId = INVALID_POINTER_ID; |
| 37 | |
| 38 | public FBOTestView(Context context) { |
| 39 | super(context); |
| 40 | ensureRenderScript(); |
| 41 | mScaleDetector = new ScaleGestureDetector(context, new ScaleListener()); |
| 42 | } |
| 43 | |
| 44 | private void ensureRenderScript() { |
| 45 | if (mRS == null) { |
| 46 | RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig(); |
| 47 | sc.setDepth(16, 24); |
| 48 | mRS = createRenderScriptGL(sc); |
| 49 | mRender = new FBOTestRS(); |
| 50 | mRender.init(mRS, getResources()); |
| 51 | } |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | protected void onAttachedToWindow() { |
| 56 | super.onAttachedToWindow(); |
| 57 | ensureRenderScript(); |
| 58 | } |
| 59 | |
| 60 | @Override |
| 61 | public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { |
| 62 | super.surfaceChanged(holder, format, w, h); |
| 63 | mRender.surfaceChanged(); |
| 64 | } |
| 65 | |
| 66 | @Override |
| 67 | protected void onDetachedFromWindow() { |
| 68 | mRender = null; |
| 69 | if (mRS != null) { |
| 70 | mRS = null; |
| 71 | destroyRenderScriptGL(); |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | public void loadA3DFile(String path) { |
| 76 | mRender.loadA3DFile(path); |
| 77 | } |
| 78 | |
| 79 | @Override |
| 80 | public boolean onTouchEvent(MotionEvent ev) { |
| 81 | mScaleDetector.onTouchEvent(ev); |
| 82 | |
| 83 | boolean ret = false; |
| 84 | float x = ev.getX(); |
| 85 | float y = ev.getY(); |
| 86 | |
| 87 | final int action = ev.getAction(); |
| 88 | |
| 89 | switch (action & MotionEvent.ACTION_MASK) { |
| 90 | case MotionEvent.ACTION_DOWN: { |
| 91 | mRender.onActionDown(x, y); |
| 92 | mActivePointerId = ev.getPointerId(0); |
| 93 | ret = true; |
| 94 | break; |
| 95 | } |
| 96 | case MotionEvent.ACTION_MOVE: { |
| 97 | if (!mScaleDetector.isInProgress()) { |
| 98 | mRender.onActionMove(x, y); |
| 99 | } |
| 100 | mRender.onActionDown(x, y); |
| 101 | ret = true; |
| 102 | break; |
| 103 | } |
| 104 | |
| 105 | case MotionEvent.ACTION_UP: { |
| 106 | mActivePointerId = INVALID_POINTER_ID; |
| 107 | break; |
| 108 | } |
| 109 | |
| 110 | case MotionEvent.ACTION_CANCEL: { |
| 111 | mActivePointerId = INVALID_POINTER_ID; |
| 112 | break; |
| 113 | } |
| 114 | |
| 115 | case MotionEvent.ACTION_POINTER_UP: { |
| 116 | final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) |
| 117 | >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; |
| 118 | final int pointerId = ev.getPointerId(pointerIndex); |
| 119 | if (pointerId == mActivePointerId) { |
| 120 | // This was our active pointer going up. Choose a new |
| 121 | // active pointer and adjust accordingly. |
| 122 | final int newPointerIndex = pointerIndex == 0 ? 1 : 0; |
| 123 | x = ev.getX(newPointerIndex); |
| 124 | y = ev.getY(newPointerIndex); |
| 125 | mRender.onActionDown(x, y); |
| 126 | mActivePointerId = ev.getPointerId(newPointerIndex); |
| 127 | } |
| 128 | break; |
| 129 | } |
| 130 | } |
| 131 | |
| 132 | return ret; |
| 133 | } |
| 134 | |
| 135 | private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener { |
| 136 | @Override |
| 137 | public boolean onScale(ScaleGestureDetector detector) { |
| 138 | mRender.onActionScale(detector.getScaleFactor()); |
| 139 | return true; |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | |
| 144 | |