56ce25360c
Some cullable implementation may have extra information about their expected size. The main example here are surface actors which can be scaled by geometry scale. Add an API to overwrite the default size / untransformed check for such cases. https://gitlab.gnome.org/GNOME/mutter/merge_requests/1036
61 lines
2.1 KiB
C
61 lines
2.1 KiB
C
/* -*- 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, see <http://www.gnu.org/licenses/>.
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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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G_DECLARE_INTERFACE (MetaCullable, meta_cullable, META, CULLABLE, ClutterActor)
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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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gboolean (* is_untransformed) (MetaCullable *cullable);
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void (* reset_culling) (MetaCullable *cullable);
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};
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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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gboolean meta_cullable_is_untransformed (MetaCullable *cullable);
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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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