| /* |
| * Copyright (C) 2011 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.modelviewer; |
| |
| import android.renderscript.RSSurfaceView; |
| import android.renderscript.RenderScriptGL; |
| |
| import android.content.Context; |
| import android.view.MotionEvent; |
| import android.view.SurfaceHolder; |
| import android.view.ScaleGestureDetector; |
| import android.util.Log; |
| |
| public class SimpleModelView extends RSSurfaceView { |
| |
| private RenderScriptGL mRS; |
| private SimpleModelRS mRender; |
| |
| private ScaleGestureDetector mScaleDetector; |
| |
| private static final int INVALID_POINTER_ID = -1; |
| private int mActivePointerId = INVALID_POINTER_ID; |
| |
| public SimpleModelView(Context context) { |
| super(context); |
| ensureRenderScript(); |
| mScaleDetector = new ScaleGestureDetector(context, new ScaleListener()); |
| } |
| |
| private void ensureRenderScript() { |
| if (mRS == null) { |
| RenderScriptGL.SurfaceConfig sc = new RenderScriptGL.SurfaceConfig(); |
| sc.setDepth(16, 24); |
| mRS = createRenderScriptGL(sc); |
| mRender = new SimpleModelRS(); |
| mRender.init(mRS, getResources()); |
| } |
| } |
| |
| @Override |
| protected void onAttachedToWindow() { |
| super.onAttachedToWindow(); |
| ensureRenderScript(); |
| } |
| |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int w, int h) { |
| super.surfaceChanged(holder, format, w, h); |
| mRender.surfaceChanged(); |
| } |
| |
| @Override |
| protected void onDetachedFromWindow() { |
| mRender = null; |
| if (mRS != null) { |
| mRS = null; |
| destroyRenderScriptGL(); |
| } |
| } |
| |
| public void loadA3DFile(String path) { |
| mRender.loadA3DFile(path); |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent ev) { |
| mScaleDetector.onTouchEvent(ev); |
| |
| boolean ret = false; |
| float x = ev.getX(); |
| float y = ev.getY(); |
| |
| final int action = ev.getAction(); |
| |
| switch (action & MotionEvent.ACTION_MASK) { |
| case MotionEvent.ACTION_DOWN: { |
| mRender.onActionDown(x, y); |
| mActivePointerId = ev.getPointerId(0); |
| ret = true; |
| break; |
| } |
| case MotionEvent.ACTION_MOVE: { |
| if (!mScaleDetector.isInProgress()) { |
| mRender.onActionMove(x, y); |
| } |
| mRender.onActionDown(x, y); |
| ret = true; |
| break; |
| } |
| |
| case MotionEvent.ACTION_UP: { |
| mActivePointerId = INVALID_POINTER_ID; |
| break; |
| } |
| |
| case MotionEvent.ACTION_CANCEL: { |
| mActivePointerId = INVALID_POINTER_ID; |
| break; |
| } |
| |
| case MotionEvent.ACTION_POINTER_UP: { |
| final int pointerIndex = (ev.getAction() & MotionEvent.ACTION_POINTER_INDEX_MASK) |
| >> MotionEvent.ACTION_POINTER_INDEX_SHIFT; |
| final int pointerId = ev.getPointerId(pointerIndex); |
| if (pointerId == mActivePointerId) { |
| // This was our active pointer going up. Choose a new |
| // active pointer and adjust accordingly. |
| final int newPointerIndex = pointerIndex == 0 ? 1 : 0; |
| x = ev.getX(newPointerIndex); |
| y = ev.getY(newPointerIndex); |
| mRender.onActionDown(x, y); |
| mActivePointerId = ev.getPointerId(newPointerIndex); |
| } |
| break; |
| } |
| } |
| |
| return ret; |
| } |
| |
| private class ScaleListener extends ScaleGestureDetector.SimpleOnScaleGestureListener { |
| @Override |
| public boolean onScale(ScaleGestureDetector detector) { |
| mRender.onActionScale(detector.getScaleFactor()); |
| return true; |
| } |
| } |
| } |
| |
| |