Chris Craik | baf4129 | 2015-08-31 14:51:03 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2015 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 | package com.android.test.uibench; |
| 17 | |
| 18 | import android.animation.ObjectAnimator; |
| 19 | import android.animation.ValueAnimator; |
| 20 | import android.content.Context; |
| 21 | import android.graphics.Bitmap; |
| 22 | import android.graphics.Canvas; |
| 23 | import android.graphics.Color; |
| 24 | import android.graphics.Rect; |
| 25 | import android.os.Bundle; |
| 26 | import android.support.v7.app.AppCompatActivity; |
| 27 | import android.util.AttributeSet; |
| 28 | import android.util.DisplayMetrics; |
| 29 | import android.view.View; |
| 30 | |
| 31 | public class BitmapUploadActivity extends AppCompatActivity { |
| 32 | public static class UploadView extends View { |
| 33 | private int mColorValue; |
| 34 | private Bitmap mBitmap; |
| 35 | private final DisplayMetrics mMetrics = new DisplayMetrics(); |
| 36 | private final Rect mRect = new Rect(); |
| 37 | |
| 38 | public UploadView(Context context, AttributeSet attrs) { |
| 39 | super(context, attrs); |
| 40 | } |
| 41 | |
| 42 | @SuppressWarnings("unused") |
| 43 | public void setColorValue(int colorValue) { |
| 44 | if (colorValue == mColorValue) return; |
| 45 | |
| 46 | mColorValue = colorValue; |
| 47 | |
| 48 | // modify the bitmap's color to ensure it's uploaded to the GPU |
| 49 | mBitmap.eraseColor(Color.rgb(mColorValue, 255 - mColorValue, 255)); |
| 50 | |
| 51 | invalidate(); |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | protected void onAttachedToWindow() { |
| 56 | super.onAttachedToWindow(); |
| 57 | |
| 58 | getDisplay().getMetrics(mMetrics); |
| 59 | int minDisplayDimen = Math.min(mMetrics.widthPixels, mMetrics.heightPixels); |
| 60 | int bitmapSize = Math.min((int) (minDisplayDimen * 0.75), 720); |
| 61 | if (mBitmap == null |
| 62 | || mBitmap.getWidth() != bitmapSize |
| 63 | || mBitmap.getHeight() != bitmapSize) { |
| 64 | mBitmap = Bitmap.createBitmap(bitmapSize, bitmapSize, Bitmap.Config.ARGB_8888); |
| 65 | } |
| 66 | } |
| 67 | |
| 68 | @Override |
| 69 | protected void onDraw(Canvas canvas) { |
| 70 | if (mBitmap != null) { |
| 71 | mRect.set(0, 0, getWidth(), getHeight()); |
| 72 | canvas.drawBitmap(mBitmap, null, mRect, null); |
| 73 | } |
| 74 | } |
| 75 | } |
| 76 | |
| 77 | @Override |
| 78 | protected void onCreate(Bundle savedInstanceState) { |
| 79 | super.onCreate(savedInstanceState); |
| 80 | setContentView(R.layout.activity_bitmap_upload); |
| 81 | |
| 82 | // animate color to force bitmap uploads |
| 83 | UploadView uploadView = (UploadView) findViewById(R.id.upload_view); |
| 84 | ObjectAnimator colorValueAnimator = ObjectAnimator.ofInt(uploadView, "colorValue", 0, 255); |
| 85 | colorValueAnimator.setRepeatMode(ValueAnimator.REVERSE); |
| 86 | colorValueAnimator.setRepeatCount(ValueAnimator.INFINITE); |
| 87 | colorValueAnimator.start(); |
| 88 | |
| 89 | // animate scene root to guarantee there's a minimum amount of GPU rendering work |
| 90 | View uploadRoot = findViewById(R.id.upload_root); |
| 91 | ObjectAnimator yAnimator = ObjectAnimator.ofFloat(uploadRoot, "translationY", 0, 100); |
| 92 | yAnimator.setRepeatMode(ValueAnimator.REVERSE); |
| 93 | yAnimator.setRepeatCount(ValueAnimator.INFINITE); |
| 94 | yAnimator.start(); |
| 95 | } |
| 96 | } |