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
17package android.widget;
18
19import android.content.Context;
20import android.graphics.Bitmap;
21import android.graphics.Canvas;
22import android.graphics.Paint;
23import android.test.AndroidTestCase;
24import android.test.suitebuilder.annotation.MediumTest;
25import android.test.suitebuilder.annotation.SmallTest;
26import android.text.SpannedString;
27import android.view.View;
28import android.view.ViewGroup;
29import android.widget.TextView;
30
31public 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