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/*
* Copyright (C) 2010 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.example.plasma;
import android.app.Activity;
import android.os.Bundle;
import android.content.Context;
import android.view.View;
import android.graphics.Bitmap;
import android.graphics.Canvas;
public class Plasma extends Activity
{
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(new PlasmaView(this));
}
/* load our native library */
static {
System.loadLibrary("plasma");
}
}
class PlasmaView extends View {
private Bitmap mBitmap;
private long mStartTime;
/* implementend by libplasma.so */
private static native void renderPlasma(Bitmap bitmap, long time_ms);
public PlasmaView(Context context) {
super(context);
final int W = 200;
final int H = 200;
mBitmap = Bitmap.createBitmap(W, H, Bitmap.Config.RGB_565);
mStartTime = System.currentTimeMillis();
}
@Override protected void onDraw(Canvas canvas) {
//canvas.drawColor(0xFFCCCCCC);
renderPlasma(mBitmap, System.currentTimeMillis() - mStartTime);
canvas.drawBitmap(mBitmap, 0, 0, null);
// force a redraw, with a different time-based pattern.
invalidate();
}
}
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