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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.text.TextPaint;
     25 import android.view.View;
     26 
     27 @SuppressWarnings({"UnusedDeclaration"})
     28 public class TextActivity extends Activity {
     29     @Override
     30     protected void onCreate(Bundle savedInstanceState) {
     31         super.onCreate(savedInstanceState);
     32 
     33         setContentView(new CustomTextView(this));
     34     }
     35 
     36     static class CustomTextView extends View {
     37         private final Paint mMediumPaint;
     38         private final Paint mLargePaint;
     39         private final Paint mStrikePaint;
     40         private final Paint mScaledPaint;
     41         private final Paint mSkewPaint;
     42         private final Paint mHugePaint;
     43         private final TextPaint mEventPaint;
     44 
     45         CustomTextView(Context c) {
     46             super(c);
     47 
     48             mMediumPaint = new Paint();
     49             mMediumPaint.setAntiAlias(true);
     50             mMediumPaint.setColor(0xffff0000);
     51 
     52             mLargePaint = new Paint();
     53             mLargePaint.setAntiAlias(true);
     54             mLargePaint.setTextSize(36.0f);
     55 
     56             mStrikePaint = new Paint();
     57             mStrikePaint.setAntiAlias(true);
     58             mStrikePaint.setTextSize(16.0f);
     59             mStrikePaint.setUnderlineText(true);
     60 
     61             mScaledPaint = new Paint();
     62             mScaledPaint.setAntiAlias(true);
     63             mScaledPaint.setTextSize(16.0f);
     64             mScaledPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
     65 
     66             mSkewPaint = new Paint();
     67             mSkewPaint.setAntiAlias(true);
     68             mSkewPaint.setTextSize(16.0f);
     69             mSkewPaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff000000);
     70 
     71             mHugePaint = new Paint();
     72             mHugePaint.setAntiAlias(true);
     73             mHugePaint.setColor(0xff000000);
     74             mHugePaint.setTextSize(300f);
     75 
     76             mEventPaint = new TextPaint();
     77             mEventPaint.setFakeBoldText(true);
     78             mEventPaint.setAntiAlias(true);
     79             mEventPaint.setTextSize(14);
     80         }
     81 
     82         @Override
     83         protected void onDraw(Canvas canvas) {
     84             super.onDraw(canvas);
     85             canvas.drawRGB(255, 255, 255);
     86 
     87             canvas.drawText("Hello OpenGL renderer!", 300, 20, mEventPaint);
     88 
     89             mMediumPaint.setStyle(Paint.Style.FILL_AND_STROKE);
     90             mMediumPaint.setStrokeWidth(2.0f);
     91             canvas.drawText("Hello OpenGL renderer!", 100, 20, mMediumPaint);
     92 
     93             mMediumPaint.setStyle(Paint.Style.FILL);
     94             mMediumPaint.setTextAlign(Paint.Align.CENTER);
     95             canvas.drawText("Hello OpenGL renderer!", 100, 40, mMediumPaint);
     96 
     97             mMediumPaint.setStyle(Paint.Style.STROKE);
     98             mMediumPaint.setStrokeWidth(2.0f);
     99             mMediumPaint.setTextAlign(Paint.Align.RIGHT);
    100             canvas.drawText("Hello OpenGL renderer!", 100, 60, mMediumPaint);
    101 
    102             mMediumPaint.setStyle(Paint.Style.FILL);
    103             mMediumPaint.setTextAlign(Paint.Align.LEFT);
    104             canvas.drawText("Hello OpenGL renderer!", 100, 100, mMediumPaint);
    105 
    106             mMediumPaint.setShadowLayer(2.5f, 0.0f, 0.0f, 0xff000000);
    107             canvas.drawText("Hello OpenGL renderer!", 100, 150, mMediumPaint);
    108             mMediumPaint.clearShadowLayer();
    109             canvas.drawText("Hello OpenGL renderer!", 100, 200, mLargePaint);
    110 
    111             mLargePaint.setShadowLayer(2.5f, 3.0f, 3.0f, 0xff000000);
    112             canvas.drawText("Hello OpenGL renderer!", 100, 400, mLargePaint);
    113             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xff00ff00);
    114             mLargePaint.setAlpha(100);
    115             canvas.drawText("Hello OpenGL renderer!", 100, 500, mLargePaint);
    116             mLargePaint.setAlpha(255);
    117             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0xd000ff00);
    118             mLargePaint.setColor(0x00ffff00);
    119             canvas.drawText("Hello OpenGL renderer!", 100, 600, mLargePaint);
    120             mLargePaint.setShadowLayer(3.0f, 3.0f, 3.0f, 0x80000000);
    121             mLargePaint.setColor(0x4dffffff);
    122             canvas.drawText("Hello OpenGL renderer!", 100, 650, mLargePaint);
    123             mLargePaint.setAlpha(255);
    124             mLargePaint.setColor(0xff000000);
    125             mLargePaint.clearShadowLayer();
    126 
    127             canvas.drawText("Hello!", 500, 600, mHugePaint);
    128 
    129             canvas.drawText("Hello OpenGL renderer!", 500, 40, mStrikePaint);
    130             mStrikePaint.setStrikeThruText(true);
    131             canvas.drawText("Hello OpenGL renderer!", 500, 70, mStrikePaint);
    132             mStrikePaint.setUnderlineText(false);
    133             canvas.drawText("Hello OpenGL renderer!", 500, 100, mStrikePaint);
    134             mStrikePaint.setStrikeThruText(false);
    135             mStrikePaint.setUnderlineText(true);
    136 
    137             mSkewPaint.setTextSkewX(-0.25f);
    138             canvas.drawText("Hello OpenGL renderer!", 980, 200, mSkewPaint);
    139             mSkewPaint.setTextSkewX(0.5f);
    140             canvas.drawText("Hello OpenGL renderer!", 980, 230, mSkewPaint);
    141             mSkewPaint.setTextSkewX(0.0f);
    142             canvas.drawText("Hello OpenGL renderer!", 980, 260, mSkewPaint);
    143 
    144             mScaledPaint.setTextScaleX(0.5f);
    145             canvas.drawText("Hello OpenGL renderer!", 500, 200, mScaledPaint);
    146             mScaledPaint.setTextScaleX(1.0f);
    147             canvas.drawText("Hello OpenGL renderer!", 500, 230, mScaledPaint);
    148             mScaledPaint.setTextScaleX(2.0f);
    149             canvas.drawText("Hello OpenGL renderer!", 500, 260, mScaledPaint);
    150 
    151             canvas.save();
    152             canvas.clipRect(150.0f, 220.0f, 450.0f, 320.0f);
    153             canvas.drawText("Hello OpenGL renderer!", 100, 300, mLargePaint);
    154             canvas.restore();
    155 
    156 //            mStrikePaint.setUnderlineText(false);
    157 //            canvas.save();
    158 //            canvas.scale(20.0f, 20.0f);
    159 //            canvas.drawText("aeiouyw", 5.0f, 750 / 20.0f, mStrikePaint);
    160 //            canvas.restore();
    161 //            mStrikePaint.setUnderlineText(true);
    162         }
    163     }
    164 }
    165