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#define __SP_CANVAS_ACETATE_C__
/*
* Infinite invisible canvas item
*
* Author:
* Federico Mena <federico@nuclecu.unam.mx>
* Raph Levien <raph@acm.org>
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1998-1999 The Free Software Foundation
* Copyright (C) 2002 Lauris Kaplinski
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "display-forward.h"
#include "gnome-canvas-acetate.h"
static void sp_canvas_acetate_class_init (SPCanvasAcetateClass *klass);
static void sp_canvas_acetate_init (SPCanvasAcetate *acetate);
static void sp_canvas_acetate_destroy (GtkObject *object);
static void sp_canvas_acetate_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned int flags);
static double sp_canvas_acetate_point (SPCanvasItem *item, NR::Point p, SPCanvasItem **actual_item);
static SPCanvasItemClass *parent_class;
GtkType
sp_canvas_acetate_get_type (void)
{
static GtkType acetate_type = 0;
if (!acetate_type) {
GtkTypeInfo acetate_info = {
"SPCanvasAcetate",
sizeof (SPCanvasAcetate),
sizeof (SPCanvasAcetateClass),
(GtkClassInitFunc) sp_canvas_acetate_class_init,
(GtkObjectInitFunc) sp_canvas_acetate_init,
NULL, NULL, NULL
};
acetate_type = gtk_type_unique (sp_canvas_item_get_type (), &acetate_info);
}
return acetate_type;
}
static void
sp_canvas_acetate_class_init (SPCanvasAcetateClass *klass)
{
GtkObjectClass *object_class;
SPCanvasItemClass *item_class;
object_class = (GtkObjectClass *) klass;
item_class = (SPCanvasItemClass *) klass;
parent_class = (SPCanvasItemClass*)gtk_type_class (sp_canvas_item_get_type ());
object_class->destroy = sp_canvas_acetate_destroy;
item_class->update = sp_canvas_acetate_update;
item_class->point = sp_canvas_acetate_point;
}
static void
sp_canvas_acetate_init (SPCanvasAcetate *acetate)
{
/* Nothing here */
}
static void
sp_canvas_acetate_destroy (GtkObject *object)
{
SPCanvasAcetate *acetate;
g_return_if_fail (object != NULL);
g_return_if_fail (GNOME_IS_CANVAS_ACETATE (object));
acetate = SP_CANVAS_ACETATE (object);
if (GTK_OBJECT_CLASS (parent_class)->destroy)
(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
}
static void
sp_canvas_acetate_update (SPCanvasItem *item, NR::Matrix const &affine, unsigned int flags)
{
item->x1 = -G_MAXINT;
item->y1 = -G_MAXINT;
item->x2 = G_MAXINT;
item->y2 = G_MAXINT;
}
static double
sp_canvas_acetate_point (SPCanvasItem *item, NR::Point p, SPCanvasItem **actual_item)
{
*actual_item = item;
return 0.0;
}
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