Embed libart_lgpl and libgnomecanvas.

Both of these modules are deprecated and going away in GNOME 3 but we
still rely heavily on them for GnomeCalendar and ETable.  So, welcome
to the island of unwanted libraries...

1 files changed, 246 insertions, 0 deletions

diff --git a/libgnomecanvas/gnome-canvas-polygon.c b/libgnomecanvas/gnome-canvas-polygon.c
new file mode 100644
index 0000000000..53c7965a88
--- /dev/null
+++ b/libgnomecanvas/gnome-canvas-polygon.c
@@ -0,0 +1,246 @@
+/*
+ * 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    (GtkObject               *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, double *affine, ArtSVP *clip_path, int 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 *gobject_class;
+	GtkObjectClass *object_class;
+	GnomeCanvasItemClass *item_class;
+
+	gobject_class = (GObjectClass *) class;
+	object_class = (GtkObjectClass *) class;
+	item_class = (GnomeCanvasItemClass *) class;
+
+	parent_class = g_type_class_peek_parent (class);
+
+	gobject_class->set_property = gnome_canvas_polygon_set_property;
+	gobject_class->get_property = gnome_canvas_polygon_get_property;
+
+        g_object_class_install_property
+                (gobject_class,
+                 PROP_POINTS,
+                 g_param_spec_boxed ("points", NULL, NULL,
+				     GNOME_TYPE_CANVAS_POINTS,
+				     (G_PARAM_READABLE | G_PARAM_WRITABLE)));
+
+	object_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 (GtkObject *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 (GTK_OBJECT_CLASS (parent_class)->destroy)
+		(* GTK_OBJECT_CLASS (parent_class)->destroy) (object);
+}
+
+static void
+set_points (GnomeCanvasPolygon *poly, GnomeCanvasPoints *points)
+{
+	int 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, double *affine, ArtSVP *clip_path, int 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);
+}