PNGWriter.h

/*
   Copyright 2014 British Broadcasting Corporation

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*/
#ifndef PNGWRITER_H
#define PNGWRITER_H

#include <iostream>
#include <png.h>

using std::cerr;
using std::endl;

#define BYTES_PER_PIXEL 4

class PNGWriter
{
  public:
    PNGWriter(int width, int height, unsigned char *buffer);
    int write(const char *filename);
  protected:
    int width;
    int height;
    unsigned char *image;
};

#endif