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270 lines
6.3 KiB
270 lines
6.3 KiB
/* vim: set sw=8: -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
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/*
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* god-shape.c: MS Office Graphic Object support
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*
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* Copyright (C) 2000-2002
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* Jody Goldberg (jody@gnome.org)
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* Michael Meeks (mmeeks@gnu.org)
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* Christopher James Lahey <clahey@ximian.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU 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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* This program 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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* USA
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*/
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#include <goffice/goffice-config.h>
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#include "drawing/god-shape.h"
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#include <gsf/gsf-impl-utils.h>
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#include <string.h>
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static GObjectClass *parent_class;
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struct GodShapePrivate_ {
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GodShape *parent;
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GPtrArray *children; /* Of type GodShape. */
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GodPropertyTable *prop_table;
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GodAnchor *anchor;
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GodTextModel *text_model;
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};
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static GPtrArray*
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g_ptr_array_insert_val (GPtrArray *array,
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guint index,
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gpointer data)
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{
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g_ptr_array_add (array, data);
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memmove (array->pdata + index + 1,
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array->pdata + index,
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array->len - index - 1);
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g_ptr_array_index (array, index) = data;
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return array;
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}
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static void
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ensure_prop_table (GodShape *shape)
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{
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if (shape->priv->prop_table == NULL)
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shape->priv->prop_table =
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god_property_table_new();
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}
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static void
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ensure_text_model (GodShape *shape)
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{
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if (shape->priv->text_model == NULL)
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shape->priv->text_model =
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god_text_model_new();
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}
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GodShape *
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god_shape_new (void)
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{
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GodShape *shape;
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shape = g_object_new (GOD_SHAPE_TYPE, NULL);
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return shape;
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}
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void
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god_shape_append_child (GodShape *parent,
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GodShape *child)
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{
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god_shape_insert_child (parent, child, -1);
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}
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/* pos can be -1 to represent the end. */
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void
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god_shape_insert_child (GodShape *parent,
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GodShape *child,
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int pos)
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{
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g_return_if_fail (parent != NULL);
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g_return_if_fail (child != NULL);
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g_return_if_fail (child->priv->parent == NULL);
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if (pos == -1)
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pos = parent->priv->children->len;
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g_ptr_array_insert_val (parent->priv->children, pos, child);
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g_object_ref (child);
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child->priv->parent = parent;
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}
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/* pos must be an actual position */
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void
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god_shape_delete_child (GodShape *parent,
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int pos)
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{
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GodShape *child = g_ptr_array_remove_index (parent->priv->children, pos);
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g_object_unref (child);
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}
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/* old_pos must be an actual position. new_pos can be -1 to represent the end. */
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void
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god_shape_reorder_child (GodShape *parent,
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int old_pos,
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int new_pos)
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{
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GodShape *child = g_ptr_array_remove_index (parent->priv->children, old_pos);
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child->priv->parent = NULL;
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god_shape_insert_child (parent, child, new_pos);
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g_object_unref (child);
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}
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int
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god_shape_get_child_count (GodShape *parent)
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{
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return parent->priv->children->len;
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}
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GodShape *
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god_shape_get_child (GodShape *parent,
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int pos)
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{
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GodShape *child;
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g_return_val_if_fail (pos < god_shape_get_child_count (parent), NULL);
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child = g_ptr_array_index (parent->priv->children, pos);
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g_return_val_if_fail (child, NULL);
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g_object_ref (child);
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return child;
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}
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GodPropertyTable *
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god_shape_get_prop_table (GodShape *shape)
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{
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ensure_prop_table (shape);
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g_object_ref (shape->priv->prop_table);
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return shape->priv->prop_table;
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}
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void
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god_shape_set_prop_table (GodShape *shape,
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GodPropertyTable *prop_table)
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{
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if (shape->priv->prop_table)
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g_object_unref (shape->priv->prop_table);
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shape->priv->prop_table = prop_table;
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if (shape->priv->prop_table)
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g_object_ref (shape->priv->prop_table);
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}
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GodAnchor *
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god_shape_get_anchor (GodShape *shape)
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{
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if (shape->priv->anchor)
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g_object_ref (shape->priv->anchor);
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return shape->priv->anchor;
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}
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void
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god_shape_set_anchor (GodShape *shape,
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GodAnchor *anchor)
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{
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if (shape->priv->anchor)
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g_object_unref (shape->priv->anchor);
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shape->priv->anchor = anchor;
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if (shape->priv->anchor)
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g_object_ref (shape->priv->anchor);
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}
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GodTextModel *
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god_shape_get_text_model (GodShape *shape)
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{
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ensure_text_model (shape);
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g_object_ref (shape->priv->text_model);
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return shape->priv->text_model;
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}
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void
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god_shape_set_text_model (GodShape *shape,
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GodTextModel *text_model)
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{
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if (shape->priv->text_model)
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g_object_unref (shape->priv->text_model);
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shape->priv->text_model = text_model;
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if (shape->priv->text_model)
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g_object_ref (shape->priv->text_model);
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}
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const char *
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god_shape_get_text (GodShape *shape)
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{
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if (shape->priv->text_model)
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return god_text_model_get_text (shape->priv->text_model);
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else
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return NULL;
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}
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void
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god_shape_set_text (GodShape *shape,
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const char *text)
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{
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ensure_text_model (shape);
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god_text_model_set_text (shape->priv->text_model, text);
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}
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static void
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god_shape_init (GObject *object)
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{
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GodShape *shape = GOD_SHAPE (object);
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shape->priv = g_new0 (GodShapePrivate, 1);
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shape->priv->children = g_ptr_array_new ();
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shape->priv->parent = NULL;
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}
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static void
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god_shape_dispose (GObject *object)
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{
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GodShape *shape = GOD_SHAPE (object);
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guint i;
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if (shape->priv == NULL)
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return;
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for (i = 0; i < shape->priv->children->len; i++)
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g_object_unref (g_ptr_array_index (shape->priv->children, i));
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g_ptr_array_free (shape->priv->children, TRUE);
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if (shape->priv->prop_table)
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g_object_unref (shape->priv->prop_table);
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if (shape->priv->anchor)
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g_object_unref (shape->priv->anchor);
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if (shape->priv->text_model)
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g_object_unref (shape->priv->text_model);
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g_free (shape->priv);
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shape->priv = NULL;
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G_OBJECT_CLASS (parent_class)->dispose (object);
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}
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static void
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god_shape_class_init (GodShapeClass *class)
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{
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GObjectClass *object_class;
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object_class = (GObjectClass *) class;
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parent_class = g_type_class_peek_parent (class);
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object_class->dispose = god_shape_dispose;
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}
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GSF_CLASS (GodShape, god_shape,
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god_shape_class_init, god_shape_init,
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G_TYPE_OBJECT)
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