#ifndef STFREADER_H
#define STFREADER_H

#include <QtCore/QPoint>
#include "bitreader.h"

class StfReader
{
public:
	class StrokeHandler
	{
	public:
		virtual ~StrokeHandler();
		virtual bool startStroke(const QPoint& p, int force, qint64 time) = 0;
		virtual bool strokePoint(const QPoint& p, int force, qint64 time) = 0;
		virtual bool endStroke() = 0;
	};

protected:
	struct CodeTable {
		int bits;
		int size;
		qint8 * data;
	};

	StrokeHandler *handler;
	int speed;

	bool parseV1(BitReader& br);
	void syncV1(BitReader& br);
	qint8 decodeV1(BitReader& br, CodeTable* tab, int tab_size);

	qint8 readForce(BitReader& br);
	qint8 readHeader(BitReader& br);
	qint8 readHeader2(BitReader& br);
	qint8 readHeader3(BitReader& br);
	qint8 readTime(BitReader& br);
	qint8 readDeltaX(BitReader& br);
	qint8 readDeltaY(BitReader& br);
	qint8 readDeltaF(BitReader& br);

public:
    StfReader();
	~StfReader();

	bool parse(QIODevice *device);
	bool parse(const QString &filename);
	void setStrokeHandler(StrokeHandler *newHandler);
};

#endif // STFREADER_H