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 onCreate(Bundle savedInstanceState)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 BitmapsView(Context c)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 onDraw(Canvas canvas)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