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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.Canvas;
     22 import android.graphics.Paint;
     23 import android.os.Bundle;
     24 import android.view.View;
     25 import android.widget.FrameLayout;
     26 import android.widget.LinearLayout;
     27 
     28 @SuppressWarnings({"UnusedDeclaration"})
     29 public class Rotate3dTextActivity extends Activity {
     30 
     31     @Override
     32     protected void onCreate(Bundle savedInstanceState) {
     33         super.onCreate(savedInstanceState);
     34 
     35         final LinearLayout layout = new LinearLayout(this);
     36         layout.setOrientation(LinearLayout.VERTICAL);
     37 
     38         Rotate3dTextView view = new Rotate3dTextView(this);
     39         layout.addView(view, makeLayoutParams());
     40 
     41         view = new Rotate3dTextView(this);
     42 
     43         FrameLayout container = new FrameLayout(this);
     44         container.setLayerType(View.LAYER_TYPE_HARDWARE, null);
     45         container.addView(view);
     46 
     47         layout.addView(container, makeLayoutParams());
     48 
     49         setContentView(layout);
     50     }
     51 
     52     private static LinearLayout.LayoutParams makeLayoutParams() {
     53         LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
     54                 LinearLayout.LayoutParams.MATCH_PARENT, 0);
     55         lp.weight = 1.0f;
     56         return lp;
     57     }
     58 
     59     public static class Rotate3dTextView extends View {
     60         private static final String TEXT = "Hello libhwui! ";
     61 
     62         private final Paint mPaint;
     63 
     64         public Rotate3dTextView(Context c) {
     65             super(c);
     66 
     67             mPaint = new Paint();
     68             mPaint.setAntiAlias(true);
     69             mPaint.setTextSize(50.0f);
     70             mPaint.setTextAlign(Paint.Align.CENTER);
     71 
     72             setRotationY(45.0f);
     73             setScaleX(2.0f);
     74             setScaleY(2.0f);
     75         }
     76 
     77         @Override
     78         protected void onDraw(Canvas canvas) {
     79             canvas.drawText(TEXT, getWidth() / 2.0f, getHeight() / 2.0f, mPaint);
     80         }
     81     }
     82 }
     83