| /* |
| * Copyright (C) 2019 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.hwui; |
| |
| import android.animation.ObjectAnimator; |
| import android.app.Activity; |
| import android.graphics.Color; |
| import android.graphics.HardwareRenderer; |
| import android.graphics.Paint; |
| import android.graphics.RecordingCanvas; |
| import android.graphics.RenderNode; |
| import android.os.Bundle; |
| import android.os.Handler; |
| import android.view.SurfaceHolder; |
| |
| public class CustomRenderer extends Activity { |
| private RenderNode mRootNode = new RenderNode("CustomRenderer"); |
| private RenderNode mChildNode = new RenderNode("RedBox"); |
| private HardwareRenderer mRenderer = new HardwareRenderer(); |
| private ObjectAnimator mAnimator; |
| private Handler mRedrawHandler = new Handler(true); |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| getWindow().takeSurface(mSurfaceCallbacks); |
| } |
| |
| @Override |
| protected void onStart() { |
| super.onStart(); |
| mAnimator = ObjectAnimator.ofFloat(mChildNode, "translationY", 0, 300); |
| mAnimator.setRepeatMode(ObjectAnimator.REVERSE); |
| mAnimator.setRepeatCount(ObjectAnimator.INFINITE); |
| final Runnable redraw = this::draw; |
| mAnimator.addUpdateListener(animation -> { |
| mRedrawHandler.post(redraw); |
| }); |
| } |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| mAnimator.end(); |
| mAnimator = null; |
| } |
| |
| private void setupRoot(int width, int height) { |
| mRootNode.setPosition(0, 0, width, height); |
| |
| RecordingCanvas canvas = mRootNode.beginRecording(); |
| canvas.drawColor(Color.WHITE); |
| Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); |
| paint.setColor(Color.BLACK); |
| paint.setTextAlign(Paint.Align.CENTER); |
| float textSize = Math.min(width, height) * .05f; |
| paint.setTextSize(textSize); |
| canvas.drawText("Hello custom renderer!", width / 2, textSize * 2, paint); |
| |
| canvas.translate(0, height / 4); |
| canvas.drawRenderNode(mChildNode); |
| canvas.translate(width / 2, 0); |
| canvas.drawRenderNode(mChildNode); |
| mRootNode.endRecording(); |
| |
| setupChild(width / 2, height / 2); |
| } |
| |
| private void setupChild(int width, int height) { |
| mChildNode.setPosition(0, 0, width, height); |
| mChildNode.setScaleX(.5f); |
| mChildNode.setScaleY(.5f); |
| |
| RecordingCanvas canvas = mChildNode.beginRecording(); |
| canvas.drawColor(Color.RED); |
| mChildNode.endRecording(); |
| } |
| |
| private void draw() { |
| // Since we are constantly pumping frames between onStart & onStop we don't really |
| // care about any errors that may happen. They will self-correct. |
| mRenderer.createRenderRequest() |
| .setVsyncTime(System.nanoTime()) |
| .syncAndDraw(); |
| } |
| |
| private SurfaceHolder.Callback2 mSurfaceCallbacks = new SurfaceHolder.Callback2() { |
| |
| @Override |
| public void surfaceRedrawNeeded(SurfaceHolder holder) { |
| } |
| |
| @Override |
| public void surfaceCreated(SurfaceHolder holder) { |
| } |
| |
| @Override |
| public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { |
| setupRoot(width, height); |
| |
| mRenderer.setContentRoot(mRootNode); |
| mRenderer.setSurface(holder.getSurface()); |
| draw(); |
| if (!mAnimator.isStarted()) { |
| mAnimator.start(); |
| } |
| } |
| |
| @Override |
| public void surfaceDestroyed(SurfaceHolder holder) { |
| mRenderer.destroy(); |
| } |
| }; |
| } |