Home | History | Annotate | Download | only in hwuicompare 
      1 /*
      2  * Copyright (C) 2012 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.test.hwuicompare;
     18 
     19 import java.lang.reflect.InvocationTargetException;
     20 import java.lang.reflect.Method;
     21 
     22 import com.android.test.hwuicompare.R;
     23 
     24 import android.app.Activity;
     25 import android.graphics.Bitmap;
     26 import android.graphics.Canvas;
     27 import android.graphics.Color;
     28 import android.graphics.drawable.ColorDrawable;
     29 import android.os.Handler;
     30 import android.os.Trace;
     31 import android.util.Log;
     32 import android.view.View;
     33 
     34 abstract public class CompareActivity extends Activity {
     35     private static final String LOG_TAG = "CompareActivity";
     36 
     37     protected MainView mHardwareView = null;
     38 
     39     protected Bitmap mSoftwareBitmap;
     40     protected Bitmap mHardwareBitmap;
     41 
     42     protected ErrorCalculator mErrorCalculator;
     43 
     44     protected Handler mHandler;
     45 
     46     Runnable mDrawCallback = null;
     47     protected boolean mRedrewFlag = true;
     48 
     49     protected void onCreateCommon(final Runnable postDrawCallback) {
     50         mDrawCallback = new Runnable() {
     51             @Override
     52             public void run() {
     53                 mRedrewFlag = true;
     54                 mHandler.post(postDrawCallback);
     55             };
     56         };
     57         getWindow().setBackgroundDrawable(new ColorDrawable(0xffefefef));
     58         ResourceModifiers.init(getResources());
     59 
     60         mHardwareView = (MainView) findViewById(R.id.hardware_view);
     61         mHardwareView.setLayerType(View.LAYER_TYPE_HARDWARE, null);
     62         mHardwareView.setBackgroundColor(Color.WHITE);
     63         mHardwareView.addDrawCallback(mDrawCallback);
     64 
     65         int width = getResources().getDimensionPixelSize(R.dimen.layer_width);
     66         int height = getResources().getDimensionPixelSize(R.dimen.layer_height);
     67         mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     68         mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     69 
     70         mErrorCalculator = new ErrorCalculator(getApplicationContext(), getResources());
     71 
     72         mHandler = new Handler();
     73     }
     74 
     75     protected abstract boolean forceRecreateBitmaps();
     76 
     77     protected void loadBitmaps() {
     78         Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "loadBitmaps");
     79         if (forceRecreateBitmaps()) {
     80             int width = mSoftwareBitmap.getWidth();
     81             int height = mSoftwareBitmap.getHeight();
     82 
     83             mSoftwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     84             mHardwareBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
     85         }
     86 
     87         Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "softwareDraw");
     88         mHardwareView.draw(new Canvas(mSoftwareBitmap));
     89         Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
     90 
     91         try {
     92             Method getHardwareLayer = View.class.getDeclaredMethod("getHardwareLayer");
     93             if (!getHardwareLayer.isAccessible())
     94                 getHardwareLayer.setAccessible(true);
     95             Object hardwareLayer = getHardwareLayer.invoke(mHardwareView);
     96             if (hardwareLayer == null) {
     97                 Log.d(LOG_TAG, "failure to access hardware layer");
     98                 return;
     99             }
    100             Method copyInto = hardwareLayer.getClass()
    101                     .getDeclaredMethod("copyInto", Bitmap.class);
    102             if (!copyInto.isAccessible())
    103                 copyInto.setAccessible(true);
    104 
    105             Trace.traceBegin(Trace.TRACE_TAG_ALWAYS, "copyInto");
    106             boolean success = (Boolean) copyInto.invoke(hardwareLayer, mHardwareBitmap);
    107             Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
    108             if (!success) {
    109                 Log.d(LOG_TAG, "failure to copy hardware layer into bitmap");
    110             }
    111         } catch (NoSuchMethodException e) {
    112             e.printStackTrace();
    113         } catch (IllegalArgumentException e) {
    114             e.printStackTrace();
    115         } catch (IllegalAccessException e) {
    116             e.printStackTrace();
    117         } catch (InvocationTargetException e) {
    118             e.printStackTrace();
    119         }
    120         Trace.traceEnd(Trace.TRACE_TAG_ALWAYS);
    121     }
    122 }
    123