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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.os.Bundle;
     26 import android.util.Log;
     27 import android.view.View;
     28 
     29 @SuppressWarnings({"UnusedDeclaration"})
     30 public class QuickRejectActivity extends Activity {
     31     @Override
     32     protected void onCreate(Bundle savedInstanceState) {
     33         super.onCreate(savedInstanceState);
     34         final QuickRejectView view = new QuickRejectView(this);
     35         setContentView(view);
     36     }
     37 
     38     static class QuickRejectView extends View {
     39         private Paint mBitmapPaint;
     40         private final Bitmap mBitmap1;
     41 
     42         QuickRejectView(Context c) {
     43             super(c);
     44 
     45             mBitmap1 = BitmapFactory.decodeResource(c.getResources(), R.drawable.sunset1);
     46 
     47             mBitmapPaint = new Paint();
     48             mBitmapPaint.setFilterBitmap(true);
     49         }
     50 
     51         @Override
     52         protected void onDraw(Canvas canvas) {
     53             super.onDraw(canvas);
     54 
     55             int count = canvas.getSaveCount();
     56             Log.d("OpenGLRenderer", "count=" + count);
     57             count = canvas.save();
     58             Log.d("OpenGLRenderer", "count after save=" + count);
     59             count = canvas.getSaveCount();
     60             Log.d("OpenGLRenderer", "getSaveCount after save=" + count);
     61             canvas.restore();
     62             count = canvas.getSaveCount();
     63             Log.d("OpenGLRenderer", "count after restore=" + count);
     64             canvas.save();
     65             Log.d("OpenGLRenderer", "count after save=" + canvas.getSaveCount());
     66             canvas.save();
     67             Log.d("OpenGLRenderer", "count after save=" + canvas.getSaveCount());
     68             canvas.save();
     69             Log.d("OpenGLRenderer", "count after save=" + canvas.getSaveCount());
     70             canvas.restoreToCount(count);
     71             count = canvas.getSaveCount();
     72             Log.d("OpenGLRenderer", "count after restoreToCount=" + count);
     73             count = canvas.saveLayer(0, 0, 10, 10, mBitmapPaint, Canvas.ALL_SAVE_FLAG);
     74             Log.d("OpenGLRenderer", "count after saveLayer=" + count);
     75             count = canvas.getSaveCount();
     76             Log.d("OpenGLRenderer", "getSaveCount after saveLayer=" + count);
     77             canvas.restore();
     78             count = canvas.getSaveCount();
     79             Log.d("OpenGLRenderer", "count after restore=" + count);
     80 
     81             canvas.save();
     82             canvas.clipRect(0.0f, 0.0f, 40.0f, 40.0f);
     83             canvas.drawBitmap(mBitmap1, 0.0f, 0.0f, mBitmapPaint);
     84             canvas.drawBitmap(mBitmap1, -mBitmap1.getWidth(), 0.0f, mBitmapPaint);
     85             canvas.drawBitmap(mBitmap1, 50.0f, 0.0f, mBitmapPaint);
     86             canvas.restore();
     87         }
     88     }
     89 }