* ----------------
* A UI widget that measures the amount of MIDI data generated by a
* consumer.
*
* Copyright 2013, Haiku, Inc. All rights reserved.
* Distributed under the terms of the MIT License.
*
* Revisions by Pete Goodeve
*
* Copyright 1999, Be Incorporated. All Rights Reserved.
* This file may be used under the terms of the Be Sample Code License.
*/
#ifndef MIDIEVENTMETER_H
#define MIDIEVENTMETER_H
#include <Point.h>
#include <Rect.h>
class BMidiProducer;
class CountEventConsumer;
class BView;
class MidiEventMeter
{
public:
MidiEventMeter(int32 producerID);
~MidiEventMeter();
void Pulse(BView* view);
BRect Bounds() const;
void Draw(BView* view);
private:
int32 CalcMeterLevel(int32 eventCount) const;
CountEventConsumer* fCounter;
int32 fMeterLevel;
};
#endif
