96 lines
2.3 KiB
C
96 lines
2.3 KiB
C
/*
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* Clutter.
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*
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* An OpenGL based 'interactive canvas' library.
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*
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* Authored By Matthew Allum <mallum@openedhand.com>
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*
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* Copyright (C) 2006 OpenedHand
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* SECTION:clutter-geometric-types
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* @Title: Base geometric types
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* @Short_Description: Common geometric data types used by Clutter
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*
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* Clutter defines a set of geometric data structures that are commonly used
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* across the whole API.
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*/
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#include "clutter/clutter-build-config.h"
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#include "clutter/clutter-types.h"
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#include "clutter/clutter-private.h"
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#include <math.h>
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#define FLOAT_EPSILON (1e-15)
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/*
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* ClutterMargin
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*/
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/**
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* clutter_margin_new:
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*
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* Creates a new #ClutterMargin.
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*
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* Return value: (transfer full): a newly allocated #ClutterMargin. Use
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* clutter_margin_free() to free the resources associated with it when
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* done.
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*/
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ClutterMargin *
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clutter_margin_new (void)
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{
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return g_new0 (ClutterMargin, 1);
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}
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/**
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* clutter_margin_copy:
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* @margin_: a #ClutterMargin
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*
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* Creates a new #ClutterMargin and copies the contents of @margin_ into
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* the newly created structure.
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*
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* Return value: (transfer full): a copy of the #ClutterMargin.
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*/
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ClutterMargin *
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clutter_margin_copy (const ClutterMargin *margin_)
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{
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if (G_LIKELY (margin_ != NULL))
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return g_memdup2 (margin_, sizeof (ClutterMargin));
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return NULL;
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}
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/**
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* clutter_margin_free:
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* @margin_: a #ClutterMargin
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*
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* Frees the resources allocated by clutter_margin_new() and
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* clutter_margin_copy().
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*/
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void
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clutter_margin_free (ClutterMargin *margin_)
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{
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if (G_LIKELY (margin_ != NULL))
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g_free (margin_);
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}
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G_DEFINE_BOXED_TYPE (ClutterMargin, clutter_margin,
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clutter_margin_copy,
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clutter_margin_free)
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