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/*
* presentation.h
*
* Colloquium - A tiny presentation program
*
* Copyright (c) 2011 Thomas White <taw@bitwiz.org.uk>
*
* 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/>.
*
*/
#ifndef OBJECTS_H
#define OBJECTS_H
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "loadsave.h"
enum objtype
{
OBJ_UNKNOWN,
OBJ_TEXT,
OBJ_IMAGE,
};
struct object
{
enum objtype type;
struct slide *parent;
struct style *style;
/* Position of corner of object */
double x;
double y;
/* Side of rectangular bounding box of object */
double bb_width;
double bb_height;
int empty;
void (*render_object)(cairo_t *cr, struct object *o);
void (*update_object)(struct object *o);
void (*delete_object)(struct object *o);
void (*serialize)(struct object *o, struct serializer *ser);
};
struct image_store;
struct image
{
char *filename;
GdkPixbuf *pb;
int width;
int height;
int refcount;
struct image_store *parent;
};
enum corner
{
CORNER_NONE,
CORNER_TL,
CORNER_TR,
CORNER_BL,
CORNER_BR
};
extern struct image *get_image(struct image_store *is, char *filename);
extern struct image_store *image_store_new(void);
extern void unref_image(struct image *i);
extern void notify_style_update(struct presentation *p,
struct style *sty);
extern void delete_object(struct object *o);
extern void realise_everything(struct presentation *p);
extern enum corner which_corner(double xp, double yp, struct object *o);
#endif /* OBJECTS_H */
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