Files
lcd-image-converter/classes/compression/rlecompressor.h
2013-01-19 15:51:21 +06:00

54 lines
1.9 KiB
C++

/*
* LCD Image Converter. Converts images and fonts for embedded applications.
* Copyright (C) 2012 riuson
* mailto: riuson@gmail.com
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/
*/
#ifndef RLE_H
#define RLE_H
//-----------------------------------------------------------------------------
#include <QObject>
//-----------------------------------------------------------------------------
#include "conversion_options.h"
//-----------------------------------------------------------------------------
// Run-length encoding algorithm
// http://en.wikipedia.org/wiki/Run-length_encoding
//-----------------------------------------------------------------------------
template <class T> class QVector;
template <class T> class QQueue;
//-----------------------------------------------------------------------------
using namespace ConversionOptions;
//-----------------------------------------------------------------------------
class RleCompressor : public QObject
{
Q_OBJECT
public:
explicit RleCompressor(QObject *parent = 0);
void compress(QVector<quint32> *input, DataBlockSize dataSize, QVector<quint32> *output);
private:
void flush(QVector<quint32> *output, QQueue<quint32> *queue);
bool allEquals(QQueue<quint32> *queue);
signals:
public slots:
};
//-----------------------------------------------------------------------------
#endif // RLE_H