/*

 * This file is part of libbluray

 * Copyright (C) 2013  Petri Hintukainen <phintuka@users.sourceforge.net>

 *

 * This library is free software; you can redistribute it and/or

 * modify it under the terms of the GNU Lesser General Public

 * License as published by the Free Software Foundation; either

 * version 2.1 of the License, or (at your option) any later version.

 *

 * This library 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

 * Lesser General Public License for more details.

 *

 * You should have received a copy of the GNU Lesser General Public

 * License along with this library. If not, see

 * <http://www.gnu.org/licenses/>.

 */

#if !defined(_BD_TEXTST_H_)

#define _BD_TEXTST_H_

#include "pg.h"

#include <stdint.h>

#define BD_TEXTST_FLOW_LEFT_RIGHT  1  /* Left-to-Right character progression, Top-to-Bottom line progression */

#define BD_TEXTST_FLOW_RIGHT_LEFT  2  /* Right-to-Left character progression, Top-to-Bottom line progression */

#define BD_TEXTST_FLOW_TOP_BOTTOM  3  /* Top-to-Bottom character progression, Right-to-Left line progression */

#define BD_TEXTST_HALIGN_LEFT   1

#define BD_TEXTST_HALIGN_CENTER 2

#define BD_TEXTST_HALIGN_RIGHT  3

#define BD_TEXTST_VALIGN_TOP    1

#define BD_TEXTST_VALIGN_MIDDLE 2

#define BD_TEXTST_VALIGN_BOTTOM 3

#define BD_TEXTST_FONT_OUTLINE_THIN   1

#define BD_TEXTST_FONT_OUTLINE_MEDIUM 2

#define BD_TEXTST_FONT_OUTLINE_THICK  3

#define BD_TEXTST_DATA_STRING      1

#define BD_TEXTST_DATA_FONT_ID     2

#define BD_TEXTST_DATA_FONT_STYLE  3

#define BD_TEXTST_DATA_FONT_SIZE   4

#define BD_TEXTST_DATA_FONT_COLOR  5

#define BD_TEXTST_DATA_NEWLINE     0x0a

#define BD_TEXTST_DATA_RESET_STYLE 0x0b

typedef struct {

    uint16_t xpos;

    uint16_t ypos;

    uint16_t width;

    uint16_t height;

} BD_TEXTST_RECT;

typedef struct {

    BD_TEXTST_RECT region;

    uint8_t        background_color; /* palette entry id ref */

} BD_TEXTST_REGION_INFO;

typedef struct {

    uint8_t bold : 1;

    uint8_t italic : 1;

    uint8_t outline_border : 1;

} BD_TEXTST_FONT_STYLE;

typedef struct {

    uint8_t               region_style_id;

    BD_TEXTST_REGION_INFO region_info;

    BD_TEXTST_RECT        text_box;          /* relative to region */

    uint8_t               text_flow;         /* BD_TEXTST_FLOW_* */

    uint8_t               text_halign;       /* BD_TEXTST_HALIGN_* */

    uint8_t               text_valign;       /* BD_TEXTST_VALIGN_* */

    uint8_t               line_space;

    uint8_t               font_id_ref;

    BD_TEXTST_FONT_STYLE  font_style;

    uint8_t               font_size;

    uint8_t               font_color;        /* palette entry id ref */

    uint8_t               outline_color;     /* palette entry id ref */

    uint8_t               outline_thickness; /* BD_TEXTST_FONT_OUTLINE_* */

} BD_TEXTST_REGION_STYLE;

typedef struct {

    uint8_t user_style_id;

    int16_t region_hpos_delta;

    int16_t region_vpos_delta;

    int16_t text_box_hpos_delta;

    int16_t text_box_vpos_delta;

    int16_t text_box_width_delta;

    int16_t text_box_height_delta;

    int8_t  font_size_delta;

    int8_t  line_space_delta;

} BD_TEXTST_USER_STYLE;

typedef struct {

    uint8_t type;  /* BD_TEXTST_DATA_* */

    union {

        uint8_t font_id_ref;

        uint8_t font_size;

        uint8_t font_color;

        struct {

            BD_TEXTST_FONT_STYLE style;

            uint8_t              outline_color;

            uint8_t              outline_thickness;

        } style;

        struct {

            uint8_t length;

            uint8_t string[1];

        } text;

    } data;

} BD_TEXTST_DATA;

typedef struct {

    uint8_t         continous_present_flag;

    uint8_t         forced_on_flag;

    uint8_t         region_style_id_ref;

    unsigned        elem_count;

    BD_TEXTST_DATA *elem; /* note: variable-sized elements */

    unsigned        line_count;

} BD_TEXTST_DIALOG_REGION;

/*

 * segments

 */

typedef struct {

    uint8_t                 player_style_flag;

    uint8_t                 region_style_count;

    uint8_t                 user_style_count;

    BD_TEXTST_REGION_STYLE *region_style;

    BD_TEXTST_USER_STYLE   *user_style;

    BD_PG_PALETTE_ENTRY     palette[256];

} BD_TEXTST_DIALOG_STYLE;

typedef struct {

    int64_t                  start_pts;

    int64_t                  end_pts;

    BD_PG_PALETTE_ENTRY     *palette_update;

    uint8_t                  region_count;

    BD_TEXTST_DIALOG_REGION  region[2];

} BD_TEXTST_DIALOG_PRESENTATION;

#endif // _BD_TEXTST_H_