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/*
* narrative_priv.h
*
* Copyright © 2019 Thomas White <taw@bitwiz.org.uk>
*
* This file is part of Colloquium.
*
* Colloquium 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/>.
*
*/
#ifndef NARRATIVE_PRIV_H
#define NARRATIVE_PRIV_H
#ifdef HAVE_PANGO
#include <pango/pangocairo.h>
#endif
#include "imagestore.h"
#include "storycode.h"
#include "slide.h"
enum narrative_item_type
{
NARRATIVE_ITEM_TEXT,
NARRATIVE_ITEM_PRESTITLE,
NARRATIVE_ITEM_SLIDE,
NARRATIVE_ITEM_BP,
NARRATIVE_ITEM_EOP,
};
struct narrative_item
{
enum narrative_item_type type;
/* Space around the thing (PangoLayout, slide, marker etc) */
double space_l;
double space_r;
double space_t;
double space_b;
/* Size of the thing (PangoLayout, slide, marker etc) */
double obj_w;
double obj_h;
/* Total height is obj_h + space_t + space_b.
* obj_w + space_l + space_r might be less than width of rendering surface */
/* For TEXT, BP, PRESTITLE */
int n_runs;
struct text_run *runs;
enum alignment align;
#ifdef HAVE_PANGO
PangoLayout *layout;
#else
void *layout;
#endif
/* For SLIDE */
Slide *slide;
#ifdef HAVE_CAIRO
cairo_surface_t *slide_thumbnail;
#else
void *slide_thumbnail;
#endif
int selected; /* Whether or not this item should be given a "selected" highlight */
};
struct _narrative
{
Stylesheet *stylesheet;
ImageStore *imagestore;
int saved;
const char *language;
int n_items;
struct narrative_item *items;
double w;
double space_l;
double space_r;
double space_t;
double space_b;
};
extern int which_run(struct narrative_item *item, size_t item_offs, size_t *run_offs);
#endif /* NARRATIVE_PRIV_H */
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