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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.Rect;
     26 import android.graphics.RectF;
     27 import android.os.Bundle;
     28 import android.view.View;
     29 
     30 @SuppressWarnings({"UnusedDeclaration"})
     31 public class BitmapsRectActivity extends Activity {
     32     @Override
     33     protected void onCreate(Bundle savedInstanceState) {
     34         super.onCreate(savedInstanceState);
     35         final BitmapsView view = new BitmapsView(this);
     36         setContentView(view);
     37     }
     38 
     39     static class BitmapsView extends View {
     40         private Paint mBitmapPaint;
     41         private final Bitmap mBitmap1;
     42         private final Bitmap mBitmap2;
     43         private final Rect mSrcRect;
     44         private final RectF mDstRect;
     45         private final RectF mDstRect2;
     46 
     47         BitmapsView(Context c) {
     48             super(c);
     49 
     50             mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
     51             mBitmap2 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset2);
     52 
     53             mBitmapPaint = new Paint();
     54             mBitmapPaint.setFilterBitmap(true);
     55 
     56             final float fourth = mBitmap1.getWidth() / 4.0f;
     57             final float half = mBitmap1.getHeight() / 2.0f;
     58             mSrcRect = new Rect((int) fourth, (int) (half - half / 2.0f),
     59                     (int) (fourth + fourth), (int) (half + half / 2.0f));
     60             mDstRect = new RectF(fourth, half - half / 2.0f, fourth + fourth, half + half / 2.0f);
     61             mDstRect2 = new RectF(fourth, half - half / 2.0f,
     62                     (fourth + fourth) * 3.0f, (half + half / 2.0f) * 3.0f);
     63         }
     64 
     65         @Override
     66         protected void onDraw(Canvas canvas) {
     67             super.onDraw(canvas);
     68 
     69             canvas.translate(120.0f, 50.0f);
     70             canvas.drawBitmap(mBitmap1, mSrcRect, mDstRect, mBitmapPaint);
     71 
     72             canvas.translate(0.0f, mBitmap1.getHeight());
     73             canvas.translate(-100.0f, 25.0f);
     74             canvas.drawBitmap(mBitmap1, mSrcRect, mDstRect2, mBitmapPaint);
     75         }
     76     }
     77 }