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Sourcecode: ffmpegthumbnailer version File versions

pngwriter.h

//    Copyright (C) 2007 Dirk Vanden Boer <dirk.vdb@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 2 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, write to the Free Software
//    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

#ifndef PNG_WRITER_H
#define PNG_WRITER_H

#include <string>
#include <vector>
#include <png.h>

#include "imagewriter.h"

class PngWriter : public ImageWriter
{
public:
      PngWriter(const std::string& outputFile);
    PngWriter(std::vector<uint8_t>& outputBuffer);
      ~PngWriter();
      
      void setText(const std::string& key, const std::string& value);
      void writeFrame(uint8_t** rgbData, int width, int height, int quality);
      
private:
    void init();
      
private:
      FILE*                         m_FilePtr;
      png_structp             m_PngPtr;
      png_infop               m_InfoPtr;
};

#endif

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