misc/quazip/quaadler32.h
author nemo
Tue, 27 Dec 2011 14:14:26 -0500
changeset 6534 e6cb8a41b5f4
parent 5752 ea95ee97c805
permissions -rw-r--r--
Experiment in eliminating transparent white from LandPixels - I think it messes up on some graphics cards. Noticed a curious white border on a girder in a theme Randy is working on. At the very least it is slightly more efficient in the blit.

#ifndef QUAADLER32_H
#define QUAADLER32_H

#include <QByteArray>

#include "quachecksum32.h"

/// Adler32 checksum
/** \class QuaAdler32 quaadler32.h <quazip/quaadler32.h>
 * This class wrappers the adler32 function with the QuaChecksum32 interface.
 * See QuaChecksum32 for more info.
 */
class QuaAdler32 : public QuaChecksum32
{

public:
	QuaAdler32();

	quint32 calculate(const QByteArray &data);

	void reset();
	void update(const QByteArray &buf);
	quint32 value();

private:
	quint32 checksum;
};

#endif //QUAADLER32_H