#if !defined( VIEWER_H )
#define VIEWER_H
/*
* Functions necessary to display a deck of slides in different color modes
* using ncurses. Only white, red, and blue are supported, as they can be
* faded in 256 color mode.
* Copyright (C) 2018 Michael Goehler
*
* This file is part of mdp.
*
* 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 3 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, see <http://www.gnu.org/licenses/>.
*
*
* function: ncurses_display initializes ncurses, defines colors, calculates
* window geometry and handles key strokes
* function: add_line detects inline markdown formating and prints line char
* by char
* function: fade_in, fade_out implementing color fading in 256 color mode
* function: int_length to calculate decimal length of slide count
*
*/
#define _GNU_SOURCE // enable ncurses wchar support
#define _XOPEN_SOURCE_EXTENDED 1 // enable ncurses wchar support
#if defined( WIN32 )
#include <curses.h>
#else
#include <ncurses.h>
#endif
#include "common.h"
#include "parser.h"
#include "cstack.h"
#include "url.h"
#define CP_WHITE 1 // 255
#define CP_BLUE 2 // 123
#define CP_RED 3 // 213
#define CP_YELLOW 4 // 208
#define CP_BLACK 5 // CP_WHITE with foreground and background swapped
#define FADE_DELAY 15000 // micro seconds
#define GOTO_SLIDE_DELAY 5 // tenths of seconds
int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload, int slidenum);
void add_line(WINDOW *window, int y, int x, line_t *line, int max_cols, int colors);
void inline_display(WINDOW *window, const wchar_t *c, const int colors);
void fade_out(WINDOW *window, int trans, int colors, int invert);
void fade_in(WINDOW *window, int trans, int colors, int invert);
int int_length (int val);
int get_slide_number(char init);
void setup_list_strings(void);
#endif // !defined( VIEWER_H )