57 lines
2.0 KiB
C
57 lines
2.0 KiB
C
/*
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* Copyright (C) 1997, 1998, 1999, 2000 Free Software Foundation
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* All rights reserved.
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*
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* This file is part of the Gnome Library.
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*
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* The Gnome Library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Gnome Library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with the Gnome Library; see the file COPYING.LIB. If not,
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* write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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@NOTATION@
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*/
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/* Miscellaneous utility functions for the GnomeCanvas widget
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*
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* GnomeCanvas is basically a port of the Tk toolkit's most excellent canvas widget. Tk is
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* copyrighted by the Regents of the University of California, Sun Microsystems, and other parties.
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*
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* Author: Federico Mena <federico@nuclecu.unam.mx>
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*/
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#ifndef GNOME_CANVAS_UTIL_H
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#define GNOME_CANVAS_UTIL_H
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#include <libgnomecanvas/gnome-canvas.h>
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G_BEGIN_DECLS
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/* Sets the svp to the new value, requesting repaint on what's changed. This
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* function takes responsibility for freeing new_svp. This routine also adds the
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* svp's bbox to the item's.
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*/
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void gnome_canvas_item_reset_bounds (GnomeCanvasItem *item);
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/* Sets the bbox to the new value, requesting full repaint. */
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void gnome_canvas_update_bbox (GnomeCanvasItem *item, gint x1, gint y1, gint x2, gint y2);
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/* Create a scratch cairo_t for measuring purposes */
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cairo_t *gnome_canvas_cairo_create_scratch (void);
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void gnome_canvas_matrix_transform_rect (const cairo_matrix_t *matrix, double *x1, double *y1, double *x2, double *y2);
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G_END_DECLS
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#endif
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