1 /* 2 * Copyright (C) 2011 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.animation.ObjectAnimator; 20 import android.app.Activity; 21 import android.content.Context; 22 import android.graphics.Canvas; 23 import android.graphics.Color; 24 import android.graphics.Paint; 25 import android.graphics.drawable.ColorDrawable; 26 import android.os.Bundle; 27 import android.view.View; 28 import android.widget.FrameLayout; 29 import android.widget.LinearLayout; 30 import android.widget.ProgressBar; 31 import android.widget.SeekBar; 32 33 @SuppressWarnings({"UnusedDeclaration"}) 34 public class PointsActivity extends Activity { 35 36 float mSeekValue = .5f; 37 38 @Override onCreate(Bundle savedInstanceState)39 protected void onCreate(Bundle savedInstanceState) { 40 super.onCreate(savedInstanceState); 41 getWindow().setBackgroundDrawable(new ColorDrawable(0xff000000)); 42 SeekBar slider = new SeekBar(this); 43 LinearLayout container = new LinearLayout(this); 44 container.setOrientation(LinearLayout.VERTICAL); 45 setContentView(container); 46 47 container.addView(slider); 48 slider.setMax(100); 49 slider.setProgress(50); 50 FrameLayout frame = new FrameLayout(this); 51 final RenderingView gpuView = new RenderingView(this, Color.GREEN); 52 frame.addView(gpuView); 53 final RenderingView swView = new RenderingView(this, Color.RED); 54 swView.setLayerType(View.LAYER_TYPE_SOFTWARE, null); 55 frame.addView(swView); 56 container.addView(frame); 57 58 slider.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() { 59 @Override 60 public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { 61 mSeekValue = (float)progress / 100.0f; 62 float gpuAlpha = Math.min(2.0f * mSeekValue, 1f); 63 gpuView.setAlpha(gpuAlpha); 64 float swAlpha = Math.min((1 - mSeekValue) * 2.0f, 1f); 65 System.out.println("(gpuAlpha, swAlpha = " + gpuAlpha + ", " + swAlpha); 66 swView.setAlpha(swAlpha); 67 } 68 69 @Override 70 public void onStartTrackingTouch(SeekBar seekBar) { 71 } 72 73 @Override 74 public void onStopTrackingTouch(SeekBar seekBar) { 75 } 76 }); 77 } 78 79 @Override onDestroy()80 protected void onDestroy() { 81 super.onDestroy(); 82 } 83 84 public static class RenderingView extends View { 85 86 private int mColor; 87 RenderingView(Context c, int color)88 public RenderingView(Context c, int color) { 89 super(c); 90 mColor = color; 91 } 92 drawPoints(Canvas canvas, Paint p, float xOffset, float yOffset)93 private void drawPoints(Canvas canvas, Paint p, float xOffset, float yOffset) { 94 } 95 96 @Override onDraw(Canvas canvas)97 protected void onDraw(Canvas canvas) { 98 super.onDraw(canvas); 99 Paint p = new Paint(); 100 p.setColor(mColor); 101 102 float yOffset = 0; 103 for (int i = 0; i < 2; ++i) { 104 float xOffset = 0; 105 106 p.setStrokeWidth(0f); 107 p.setStrokeCap(Paint.Cap.SQUARE); 108 canvas.drawPoint(100 + xOffset, 100 + yOffset, p); 109 xOffset += 5; 110 111 p.setStrokeWidth(1f); 112 canvas.drawPoint(100 + xOffset, 100 + yOffset, p); 113 xOffset += 15; 114 115 p.setStrokeWidth(20); 116 canvas.drawPoint(100 + xOffset, 100 + yOffset, p); 117 xOffset += 30; 118 119 p.setStrokeCap(Paint.Cap.ROUND); 120 canvas.drawPoint(100 + xOffset, 100 + yOffset, p); 121 122 p.setAntiAlias(true); 123 yOffset += 30; 124 } 125 126 } 127 } 128 } 129