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      1 /*
      2  * Copyright (C) 2010 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.hwui;
     18 
     19 import android.app.Activity;
     20 import android.content.Context;
     21 import android.graphics.Bitmap;
     22 import android.graphics.BitmapFactory;
     23 import android.graphics.Canvas;
     24 import android.graphics.Paint;
     25 import android.graphics.PorterDuff;
     26 import android.graphics.PorterDuffXfermode;
     27 import android.os.Bundle;
     28 import android.util.Log;
     29 import android.view.Gravity;
     30 import android.view.View;
     31 import android.view.animation.Animation;
     32 import android.view.animation.ScaleAnimation;
     33 import android.widget.FrameLayout;
     34 
     35 @SuppressWarnings({"UnusedDeclaration"})
     36 public class MipMapActivity extends Activity {
     37     @Override
     38     protected void onCreate(Bundle savedInstanceState) {
     39         super.onCreate(savedInstanceState);
     40         final BitmapsView view = new BitmapsView(this);
     41         setContentView(view);
     42     }
     43 
     44     static class BitmapsView extends View {
     45         private Paint mBitmapPaint;
     46         private final Bitmap mBitmap1;
     47         private final Bitmap mBitmap2;
     48 
     49         BitmapsView(Context c) {
     50             super(c);
     51 
     52             mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.very_large_photo);
     53             mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.very_large_photo);
     54 
     55             mBitmap1.setHasMipMap(true);
     56 
     57             mBitmapPaint = new Paint();
     58             mBitmapPaint.setFilterBitmap(true);
     59         }
     60 
     61         @Override
     62         protected void onDraw(Canvas canvas) {
     63             super.onDraw(canvas);
     64 
     65             canvas.save();
     66             canvas.scale(0.3f, 0.3f);
     67             canvas.drawBitmap(mBitmap1, 0, 0, mBitmapPaint);
     68             canvas.restore();
     69 
     70             canvas.save();
     71             canvas.translate(mBitmap1.getWidth() * 0.3f + 96.0f, 0.0f);
     72             canvas.scale(0.3f, 0.3f);
     73             canvas.drawBitmap(mBitmap2, 0, 0, mBitmapPaint);
     74             canvas.restore();
     75         }
     76     }
     77 }
     78