// Copyright (C) 2014 Davis E. King (davis@dlib.net)
// License: Boost Software License See LICENSE.txt for the full license.
#ifndef DLIB_SAVE_JPEG_Hh_
#define DLIB_SAVE_JPEG_Hh_
#include "save_jpeg_abstract.h"
#include "../enable_if.h"
#include "../matrix.h"
#include "../array2d.h"
#include "../pixel.h"
#include "../image_processing/generic_image.h"
#include <string>
namespace dlib
{
// ----------------------------------------------------------------------------------------
void save_jpeg (
const array2d<rgb_pixel>& img,
const std::string& filename,
int quality = 75
);
// ----------------------------------------------------------------------------------------
void save_jpeg (
const array2d<unsigned char>& img,
const std::string& filename,
int quality = 75
);
// ----------------------------------------------------------------------------------------
template <
typename image_type
>
typename disable_if<is_matrix<image_type> >::type save_jpeg(
const image_type& img,
const std::string& filename,
int quality = 75
)
{
// Convert any kind of grayscale image to an unsigned char image
if (pixel_traits<typename image_traits<image_type>::pixel_type>::grayscale)
{
array2d<unsigned char> temp;
assign_image(temp, img);
save_jpeg(temp, filename, quality);
}
else
{
// This is some other kind of color image so just save it as an RGB image.
array2d<rgb_pixel> temp;
assign_image(temp, img);
save_jpeg(temp, filename, quality);
}
}
// ----------------------------------------------------------------------------------------
template <
typename EXP
>
void save_jpeg(
const matrix_exp<EXP>& img,
const std::string& file_name,
int quality = 75
)
{
array2d<typename EXP::type> temp;
assign_image(temp, img);
save_jpeg(temp, file_name, quality);
}
// ----------------------------------------------------------------------------------------
}
#endif // DLIB_SAVE_JPEG_Hh_