/*
* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
* All rights reserved.
*
* This file is part of the Gnome Library.
*
* The Gnome Library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* The Gnome 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with the Gnome Library; see the file COPYING.LIB. If not,
* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
/*
@NOTATION@
*/
/* Miscellaneous utility functions for the GnomeCanvas widget
*
* GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
* copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
*
* Author: Federico Mena <federico@nuclecu.unam.mx>
*/
#ifndef GNOME_CANVAS_UTIL_H
#define GNOME_CANVAS_UTIL_H
#include <libgnomecanvas/gnome-canvas.h>
G_BEGIN_DECLS
/* Sets the svp to the new value, requesting repaint on what's changed. This
* function takes responsibility for freeing new_svp. This routine also adds the
* svp's bbox to the item's.
*/
void gnome_canvas_item_reset_bounds (GnomeCanvasItem *item);
/* Sets the bbox to the new value, requesting full repaint. */
void gnome_canvas_update_bbox (GnomeCanvasItem *item, gint x1, gint y1, gint x2, gint y2);
/* Create a scratch cairo_t for measuring purposes */
cairo_t *gnome_canvas_cairo_create_scratch (void);
void gnome_canvas_matrix_transform_rect (const cairo_matrix_t *matrix, double *x1, double *y1, double *x2, double *y2);
G_END_DECLS
#endif
