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/*
* Copyright 2018 Google LLC All Rights Reserved.
*
* 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.google.skar.examples.helloskar.app;
import android.content.Context;
import android.graphics.Color;
import android.graphics.PixelFormat;
import android.util.AttributeSet;
import android.view.SurfaceHolder;
import android.view.SurfaceView;
/**
* SurfaceView that is overlayed on top of a GLSurfaceView. All Canvas 2D drawings can be done on
* this surface.
*/
public class CanvasARSurfaceView extends SurfaceView implements SurfaceHolder.Callback {
boolean running;
public CanvasARSurfaceView(Context context, AttributeSet attrs) {
super(context, attrs);
SurfaceHolder holder = getHolder();
this.setBackgroundColor(Color.TRANSPARENT);
this.setZOrderOnTop(true);
holder.setFormat(PixelFormat.TRANSPARENT);
holder.addCallback(this);
}
public boolean isRunning() {
return running;
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
running = true;
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
running = false;
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {}
}
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