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/*
* stylesheet.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 STYLESHEET_H
#define STYLESHEET_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
typedef struct _stylesheet Stylesheet;
enum alignment
{
ALIGN_INHERIT, /* use whatever the stylesheet says */
ALIGN_LEFT,
ALIGN_RIGHT,
ALIGN_CENTER
};
enum length_unit
{
LENGTH_FRAC,
LENGTH_UNIT
};
struct colour
{
double rgba[4];
int hexcode; /* If true, colour came from a hexcode
* (and should be written back as one) */
};
struct length
{
double len;
enum length_unit unit;
};
struct frame_geom
{
struct length x;
struct length y;
struct length w;
struct length h;
};
enum gradient
{
GRAD_NONE,
GRAD_HORIZ,
GRAD_VERT
};
extern Stylesheet *stylesheet_new(void);
extern void stylesheet_free(Stylesheet *s);
extern int stylesheet_set_from_storycode(Stylesheet *ss, const char *sc);
extern int stylesheet_get_slide_default_size(Stylesheet *s, double *w, double *h);
extern int stylesheet_set_geometry(Stylesheet *s, const char *stn, struct frame_geom geom);
extern int stylesheet_set_font(Stylesheet *s, const char *stn, char *font);
extern int stylesheet_set_alignment(Stylesheet *s, const char *stn, enum alignment align);
extern int stylesheet_set_padding(Stylesheet *s, const char *stn, struct length padding[4]);
extern int stylesheet_set_paraspace(Stylesheet *s, const char *stn, struct length paraspace[4]);
extern int stylesheet_set_fgcol(Stylesheet *s, const char *stn, struct colour fgcol);
extern int stylesheet_set_background(Stylesheet *s, const char *stn, enum gradient grad,
struct colour bgcol, struct colour bgcol2);
extern int stylesheet_get_geometry(Stylesheet *s, const char *stn,
struct frame_geom *geom);
extern const char *stylesheet_get_font(Stylesheet *s, const char *stn,
struct colour *fgcol, enum alignment *alignment);
extern int stylesheet_get_background(Stylesheet *s, const char *stn,
enum gradient *grad, struct colour *bgcol,
struct colour *bgcol2);
extern int stylesheet_get_padding(Stylesheet *s, const char *stn,
struct length padding[4]);
extern int stylesheet_get_paraspace(Stylesheet *s, const char *stn,
struct length paraspace[4]);
extern int stylesheet_get_num_substyles(Stylesheet *s, const char *stn);
extern const char *stylesheet_get_substyle_name(Stylesheet *s, const char *stn, int i);
extern char *stylesheet_serialise(Stylesheet *s);
extern const char *stylesheet_get_friendly_name(const char *in);
extern void copy_col(struct colour *to, struct colour from);
extern double lcalc(struct length l, double pd);
#endif /* STYLESHEET_H */
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