1 /* 2 * Copyright (C) 2013 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.Canvas; 23 import android.graphics.Matrix; 24 import android.graphics.Rect; 25 import android.graphics.drawable.BitmapDrawable; 26 import android.graphics.drawable.Drawable; 27 import android.os.Bundle; 28 import android.view.View; 29 import com.android.internal.R; 30 31 @SuppressWarnings({"UnusedDeclaration"}) 32 public class AssetsAtlasActivity extends Activity { 33 @Override onCreate(Bundle savedInstanceState)34 protected void onCreate(Bundle savedInstanceState) { 35 super.onCreate(savedInstanceState); 36 setContentView(new BitmapsView(this)); 37 } 38 39 static class BitmapsView extends View { 40 private final Bitmap mBitmap; 41 BitmapsView(Context c)42 BitmapsView(Context c) { 43 super(c); 44 45 Drawable d = c.getResources().getDrawable(R.drawable.star_big_on); 46 mBitmap = ((BitmapDrawable) d).getBitmap(); 47 } 48 49 @Override onDraw(Canvas canvas)50 protected void onDraw(Canvas canvas) { 51 super.onDraw(canvas); 52 53 final Matrix matrix = new Matrix(); 54 matrix.setScale(0.5f, 0.5f); 55 56 final Rect src = new Rect(0, 0, mBitmap.getWidth() / 2, mBitmap.getHeight() / 2); 57 final Rect dst = new Rect(0, 0, mBitmap.getWidth(), mBitmap.getHeight()); 58 59 canvas.drawBitmap(mBitmap, 0.0f, 0.0f, null); 60 canvas.translate(0.0f, mBitmap.getHeight()); 61 canvas.drawBitmap(mBitmap, matrix, null); 62 canvas.translate(0.0f, mBitmap.getHeight()); 63 canvas.drawBitmap(mBitmap, src, dst, null); 64 } 65 } 66 } 67