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/*
* Copyright (c) 2017 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Giacomo Travaglini
*/
#ifndef __BASE_IMGWRITER_HH__
#define __BASE_IMGWRITER_HH__
#include <ostream>
#include "base/compiler.hh"
#include "base/framebuffer.hh"
#include "enums/ImageFormat.hh"
// write frame buffer to an image
class ImgWriter
{
public:
ImgWriter(const FrameBuffer *_fb)
: fb(*_fb)
{}
virtual ~ImgWriter() {};
/**
* Write the frame buffer data into the provided ostream
*
* @param out output stream to write to
*/
virtual void write(std::ostream &out) const = 0;
/*
* Return Image format as a string
*
* @return img extension (e.g. bmp for Bitmap)
*/
virtual const char* getImgExtension() const = 0;
protected:
const FrameBuffer &fb;
};
/**
* Factory Function which allocates a ImgWriter object and returns
* a smart pointer to it. The dynamic type of the object being pointed
* depends upon the enum type passed as a first parameter.
* If the enum contains an invalid value, the function will produce a warning
* and will default to Bitamp.
*
* @param type Image writer type (e.g. Bitamp, Png)
* @param fb Pointer to a FrameBuffer object
* This contains the raw data which will be stored as an image
* when calling the appropriate object method
* @return smart pointer to the allocated Image Writer
*/
std::unique_ptr<ImgWriter>
createImgWriter(Enums::ImageFormat type, const FrameBuffer *fb);
#endif //__BASE_IMGWRITER_HH__
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