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/*
* Copyright (C) 2015 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.test.uibench;
import android.animation.ObjectAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Rect;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.View;
public class BitmapUploadActivity extends AppCompatActivity {
public static class UploadView extends View {
private int mColorValue;
private Bitmap mBitmap;
private final DisplayMetrics mMetrics = new DisplayMetrics();
private final Rect mRect = new Rect();
public UploadView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@SuppressWarnings("unused")
public void setColorValue(int colorValue) {
if (colorValue == mColorValue) return;
mColorValue = colorValue;
// modify the bitmap's color to ensure it's uploaded to the GPU
mBitmap.eraseColor(Color.rgb(mColorValue, 255 - mColorValue, 255));
invalidate();
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
getDisplay().getMetrics(mMetrics);
int minDisplayDimen = Math.min(mMetrics.widthPixels, mMetrics.heightPixels);
int bitmapSize = Math.min((int) (minDisplayDimen * 0.75), 720);
if (mBitmap == null
|| mBitmap.getWidth() != bitmapSize
|| mBitmap.getHeight() != bitmapSize) {
mBitmap = Bitmap.createBitmap(bitmapSize, bitmapSize, Bitmap.Config.ARGB_8888);
}
}
@Override
protected void onDraw(Canvas canvas) {
if (mBitmap != null) {
mRect.set(0, 0, getWidth(), getHeight());
canvas.drawBitmap(mBitmap, null, mRect, null);
}
}
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_bitmap_upload);
// animate color to force bitmap uploads
UploadView uploadView = (UploadView) findViewById(R.id.upload_view);
ObjectAnimator colorValueAnimator = ObjectAnimator.ofInt(uploadView, "colorValue", 0, 255);
colorValueAnimator.setRepeatMode(ValueAnimator.REVERSE);
colorValueAnimator.setRepeatCount(ValueAnimator.INFINITE);
colorValueAnimator.start();
// animate scene root to guarantee there's a minimum amount of GPU rendering work
View uploadRoot = findViewById(R.id.upload_root);
ObjectAnimator yAnimator = ObjectAnimator.ofFloat(uploadRoot, "translationY", 0, 100);
yAnimator.setRepeatMode(ValueAnimator.REVERSE);
yAnimator.setRepeatCount(ValueAnimator.INFINITE);
yAnimator.start();
}
}
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