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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Thomas Martitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
package org.rockbox;
import java.nio.ByteBuffer;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.util.Log;
import android.view.MotionEvent;
import android.view.View;
public class RockboxFramebuffer extends View
{
private Bitmap btm;
private ByteBuffer native_buf;
public RockboxFramebuffer(Context c)
{
super(c);
btm = null;
}
public void onDraw(Canvas c)
{
if (btm != null)
c.drawBitmap(btm, 0.0f, 0.0f, null);
}
public void java_lcd_init(int lcd_width, int lcd_height, ByteBuffer native_fb)
{
btm = Bitmap.createBitmap(lcd_width, lcd_height, Bitmap.Config.RGB_565);
native_buf = native_fb;
}
public void java_lcd_update()
{
btm.copyPixelsFromBuffer(native_buf);
postInvalidate();
}
public void java_lcd_update_rect(int x, int y, int w, int h)
{
/* can't copy a partial buffer */
btm.copyPixelsFromBuffer(native_buf);
postInvalidate(x, y, x+w, y+h);
}
@SuppressWarnings("unused")
private void LOG(CharSequence text)
{
Log.d("Rockbox", (String) text);
}
public boolean onTouchEvent(MotionEvent me)
{
switch (me.getAction())
{
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
touchHandler(0);
break;
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_DOWN:
touchHandler(1);
break;
}
pixelHandler((int)me.getX(), (int)me.getY());
return true;
}
/* the two below should only be called from the activity thread */
public void suspend()
{ /* suspend, Rockbox will not make any lcd updates */
set_lcd_active(0);
}
public void resume()
{ /* make updates again, the underlying function will
* send an event */
set_lcd_active(1);
}
public native void set_lcd_active(int active);
public native void pixelHandler(int x, int y);
public native void touchHandler(int down);
}
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