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Diffstat (limited to 'libgnomecanvas/gnome-canvas-polygon.c')
-rw-r--r--libgnomecanvas/gnome-canvas-polygon.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/libgnomecanvas/gnome-canvas-polygon.c b/libgnomecanvas/gnome-canvas-polygon.c
deleted file mode 100644
index 90ae40fe5e..0000000000
--- a/libgnomecanvas/gnome-canvas-polygon.c
+++ /dev/null
@@ -1,236 +0,0 @@
-/*
- * 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@
- */
-/* Polygon item type for 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>
- * Rusty Conover <rconover@bangtail.net>
- */
-
-#include <config.h>
-#include <math.h>
-#include <string.h>
-#include <libart_lgpl/art_vpath.h>
-#include <libart_lgpl/art_svp.h>
-#include <libart_lgpl/art_svp_vpath.h>
-#include <libart_lgpl/art_svp_vpath_stroke.h>
-#include "libgnomecanvas.h"
-
-#include "gnome-canvas-shape.h"
-
-#define NUM_STATIC_POINTS 256 /* Number of static points to use to avoid allocating arrays */
-
-enum {
- PROP_0,
- PROP_POINTS
-};
-
-static void gnome_canvas_polygon_class_init (GnomeCanvasPolygonClass *class);
-static void gnome_canvas_polygon_init (GnomeCanvasPolygon *poly);
-static void gnome_canvas_polygon_destroy (GnomeCanvasItem *object);
-static void gnome_canvas_polygon_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec);
-static void gnome_canvas_polygon_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec);
-
-static void gnome_canvas_polygon_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags);
-
-static GnomeCanvasItemClass *parent_class;
-
-GType
-gnome_canvas_polygon_get_type (void)
-{
- static GType polygon_type;
-
- if (!polygon_type) {
- const GTypeInfo object_info = {
- sizeof (GnomeCanvasPolygonClass),
- (GBaseInitFunc) NULL,
- (GBaseFinalizeFunc) NULL,
- (GClassInitFunc) gnome_canvas_polygon_class_init,
- (GClassFinalizeFunc) NULL,
- NULL, /* class_data */
- sizeof (GnomeCanvasPolygon),
- 0, /* n_preallocs */
- (GInstanceInitFunc) gnome_canvas_polygon_init,
- NULL /* value_table */
- };
-
- polygon_type = g_type_register_static (GNOME_TYPE_CANVAS_SHAPE, "GnomeCanvasPolygon",
- &object_info, 0);
- }
-
- return polygon_type;
-}
-
-static void
-gnome_canvas_polygon_class_init (GnomeCanvasPolygonClass *class)
-{
- GObjectClass *object_class;
- GnomeCanvasItemClass *item_class;
-
- object_class = (GObjectClass *) class;
- item_class = (GnomeCanvasItemClass *) class;
-
- parent_class = g_type_class_peek_parent (class);
-
- object_class->set_property = gnome_canvas_polygon_set_property;
- object_class->get_property = gnome_canvas_polygon_get_property;
-
- g_object_class_install_property
- (object_class,
- PROP_POINTS,
- g_param_spec_boxed ("points", NULL, NULL,
- GNOME_TYPE_CANVAS_POINTS,
- (G_PARAM_READABLE | G_PARAM_WRITABLE)));
-
- item_class->destroy = gnome_canvas_polygon_destroy;
- item_class->update = gnome_canvas_polygon_update;
-}
-
-static void
-gnome_canvas_polygon_init (GnomeCanvasPolygon *poly)
-{
- poly->path_def = NULL;
-}
-
-static void
-gnome_canvas_polygon_destroy (GnomeCanvasItem *object)
-{
- GnomeCanvasPolygon *poly;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_POLYGON (object));
-
- poly = GNOME_CANVAS_POLYGON (object);
-
- /* remember, destroy can be run multiple times! */
-
- if (poly->path_def)
- gnome_canvas_path_def_unref (poly->path_def);
-
- poly->path_def = NULL;
-
- if (GNOME_CANVAS_ITEM_CLASS (parent_class)->destroy)
- GNOME_CANVAS_ITEM_CLASS (parent_class)->destroy (object);
-}
-
-static void
-set_points (GnomeCanvasPolygon *poly, GnomeCanvasPoints *points)
-{
- gint i;
-
- if (poly->path_def)
- gnome_canvas_path_def_unref (poly->path_def);
-
- if (!points) {
- poly->path_def = gnome_canvas_path_def_new ();
- gnome_canvas_shape_set_path_def (GNOME_CANVAS_SHAPE (poly), poly->path_def);
- return;
- }
-
- /* Optomize the path def to the number of points */
- poly->path_def = gnome_canvas_path_def_new_sized (points->num_points+1);
-
-#if 0
- /* No need for explicit duplicate, as closepaths does it for us (Lauris) */
- /* See if we need to duplicate the first point */
- duplicate = ((points->coords[0] != points->coords[2 * points->num_points - 2])
- || (points->coords[1] != points->coords[2 * points->num_points - 1]));
-#endif
-
- gnome_canvas_path_def_moveto (poly->path_def, points->coords[0], points->coords[1]);
-
- for (i = 1; i < points->num_points; i++) {
- gnome_canvas_path_def_lineto (poly->path_def, points->coords[i * 2], points->coords[(i * 2) + 1]);
- }
-
- gnome_canvas_path_def_closepath (poly->path_def);
-
- gnome_canvas_shape_set_path_def (GNOME_CANVAS_SHAPE (poly), poly->path_def);
-}
-
-static void
-gnome_canvas_polygon_set_property (GObject *object,
- guint param_id,
- const GValue *value,
- GParamSpec *pspec)
-{
- GnomeCanvasItem *item;
- GnomeCanvasPolygon *poly;
- GnomeCanvasPoints *points;
-
- g_return_if_fail (object != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_POLYGON (object));
-
- item = GNOME_CANVAS_ITEM (object);
- poly = GNOME_CANVAS_POLYGON (object);
-
- switch (param_id) {
- case PROP_POINTS:
- points = g_value_get_boxed (value);
-
- set_points (poly, points);
-
- gnome_canvas_item_request_update (item);
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
- break;
- }
-}
-
-static void
-gnome_canvas_polygon_get_property (GObject *object,
- guint param_id,
- GValue *value,
- GParamSpec *pspec)
-{
- g_return_if_fail (object != NULL);
- g_return_if_fail (GNOME_IS_CANVAS_POLYGON (object));
-
- switch (param_id) {
- case PROP_POINTS:
- break;
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, param_id, pspec);
- break;
- }
-}
-
-static void
-gnome_canvas_polygon_update (GnomeCanvasItem *item, gdouble *affine, ArtSVP *clip_path, gint flags)
-{
- /* Since the path has already been defined just pass the update up. */
-
- if (parent_class->update)
- (* parent_class->update) (item, affine, clip_path, flags);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-10-31 03:37:01 +0800