69 lines
2.4 KiB
C
69 lines
2.4 KiB
C
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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2013 Red Hat
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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, but
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* 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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* 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
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* 02111-1307, USA.
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*
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* Written by:
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* Owen Taylor <otaylor@redhat.com>
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* Ray Strode <rstrode@redhat.com>
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* Jasper St. Pierre <jstpierre@mecheye.net>
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*/
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#ifndef __META_CULLABLE_H__
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#define __META_CULLABLE_H__
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#include <clutter/clutter.h>
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G_BEGIN_DECLS
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#define META_TYPE_CULLABLE (meta_cullable_get_type ())
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#define META_CULLABLE(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), META_TYPE_CULLABLE, MetaCullable))
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#define META_IS_CULLABLE(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), META_TYPE_CULLABLE))
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#define META_CULLABLE_GET_IFACE(obj) (G_TYPE_INSTANCE_GET_INTERFACE ((obj), META_TYPE_CULLABLE, MetaCullableInterface))
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typedef struct _MetaCullable MetaCullable;
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typedef struct _MetaCullableInterface MetaCullableInterface;
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struct _MetaCullableInterface
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{
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GTypeInterface g_iface;
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void (* cull_out) (MetaCullable *cullable,
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cairo_region_t *unobscured_region,
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cairo_region_t *clip_region);
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void (* reset_culling) (MetaCullable *cullable);
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};
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GType meta_cullable_get_type (void);
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void meta_cullable_cull_out (MetaCullable *cullable,
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cairo_region_t *unobscured_region,
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cairo_region_t *clip_region);
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void meta_cullable_reset_culling (MetaCullable *cullable);
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/* Utility methods for implementations */
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void meta_cullable_cull_out_children (MetaCullable *cullable,
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cairo_region_t *unobscured_region,
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cairo_region_t *clip_region);
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void meta_cullable_reset_culling_children (MetaCullable *cullable);
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G_END_DECLS
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#endif /* __META_CULLABLE_H__ */
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