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      1 /*
      2  * Copyright (C) 2006 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 android.widget;
     18 
     19 import android.content.Context;
     20 import android.graphics.Bitmap;
     21 import android.graphics.Canvas;
     22 import android.graphics.Paint;
     23 import android.test.AndroidTestCase;
     24 import android.test.suitebuilder.annotation.MediumTest;
     25 import android.test.suitebuilder.annotation.SmallTest;
     26 import android.text.SpannedString;
     27 import android.view.View;
     28 import android.view.ViewGroup;
     29 import android.widget.TextView;
     30 
     31 public class TextViewPerformanceTest extends AndroidTestCase {
     32 
     33     private String mString = "The quick brown fox";
     34     private Canvas mCanvas;
     35     private PerformanceTextView mTextView;
     36     private Paint mPaint;
     37     private PerformanceLabelView mLabelView;
     38 
     39     @Override
     40     protected void setUp() throws Exception {
     41         super.setUp();
     42 
     43         Bitmap mBitmap = Bitmap.createBitmap(320, 240, Bitmap.Config.RGB_565);
     44         mCanvas = new Canvas(mBitmap);
     45 
     46         ViewGroup.LayoutParams p = new ViewGroup.LayoutParams(320, 240);
     47 
     48         mLabelView = new PerformanceLabelView(mContext);
     49         mLabelView.setText(mString);
     50         mLabelView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240);
     51         mLabelView.mySetFrame(320, 240);
     52         mLabelView.setLayoutParams(p);
     53         mLabelView.myDraw(mCanvas);
     54 
     55         mPaint = new Paint();
     56         mCanvas.save();
     57         mTextView = new PerformanceTextView(mContext);
     58         mTextView.setLayoutParams(p);
     59         mTextView.setText(mString);
     60         mTextView.mySetFrame(320, 240);
     61         mTextView.measure(View.MeasureSpec.AT_MOST | 320, View.MeasureSpec.AT_MOST | 240);
     62     }
     63 
     64     @MediumTest
     65     public void testDrawTextViewLine() throws Exception {
     66         mTextView.myDraw(mCanvas);
     67         mTextView.myDraw(mCanvas);
     68         mTextView.myDraw(mCanvas);
     69         mTextView.myDraw(mCanvas);
     70         mTextView.myDraw(mCanvas);
     71         mTextView.myDraw(mCanvas);
     72         mTextView.myDraw(mCanvas);
     73         mTextView.myDraw(mCanvas);
     74         mTextView.myDraw(mCanvas);
     75         mTextView.myDraw(mCanvas);
     76     }
     77 
     78     @SmallTest
     79     public void testSpan() throws Exception {
     80         CharSequence charSeq = new SpannedString(mString);
     81         mTextView.setText(charSeq);
     82 
     83         mTextView.myDraw(mCanvas);
     84         mTextView.myDraw(mCanvas);
     85         mTextView.myDraw(mCanvas);
     86         mTextView.myDraw(mCanvas);
     87         mTextView.myDraw(mCanvas);
     88         mTextView.myDraw(mCanvas);
     89         mTextView.myDraw(mCanvas);
     90         mTextView.myDraw(mCanvas);
     91         mTextView.myDraw(mCanvas);
     92         mTextView.myDraw(mCanvas);
     93     }
     94 
     95     @SmallTest
     96     public void testCanvasDrawText() throws Exception {
     97         mCanvas.drawText(mString, 30, 30, mPaint);
     98     }
     99 
    100     @SmallTest
    101     public void testLabelViewDraw() throws Exception {
    102         mLabelView.myDraw(mCanvas);
    103     }
    104 
    105     private class PerformanceTextView extends TextView {
    106         public PerformanceTextView(Context context) {
    107             super(context);
    108         }
    109 
    110         final void myDraw(Canvas c) {
    111             super.onDraw(c);
    112         }
    113 
    114         final void mySetFrame(int w, int h) {
    115             super.setFrame(0, 0, w, h);
    116         }
    117     }
    118 
    119     private class PerformanceLabelView extends LabelView {
    120         public PerformanceLabelView(Context context) {
    121             super(context);
    122         }
    123 
    124         final void myDraw(Canvas c) {
    125             super.onDraw(c);
    126         }
    127 
    128         final void mySetFrame(int w, int h) {
    129             super.setFrame(0, 0, w, h);
    130         }
    131     }
    132 }
    133