asciibufferssim.h

/* This file is part of ASCIIVN.
 *
 * Copyright (C) 2017  Adrian Parvin D. Ouano
 *
 * 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, version 3 of the License.
 *
 * 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 ASCII_BUFFER_SSIM_H
#define ASCII_BUFFER_SSIM_H

#include "asciibuffer.h"
#include "imagebuffer.h"
#include "charset.h"

int render_ssim(struct asciibuffer *dest,
								const struct imagebuffer *source,
                char fontname[]);

int render_ssim_charset_unsafe(struct asciibuffer *dest,
															 const struct imagebuffer *source,
															 const struct charset *font_charset);

float ssim_imagebuffer(size_t column_offset,
											 size_t row_offset,
											 const struct imagebuffer *x,
                       const struct imagebuffer *y);

#endif