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https://gitlab.uni-freiburg.de/opensourcevdi/spice-common
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71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
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/*
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Copyright (C) 2009 Red Hat, Inc.
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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 2.1 of the License, or (at your option) any later version.
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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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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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#ifndef _H_REGION
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#define _H_REGION
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#include <stdint.h>
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#include "draw.h"
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#include <pixman_utils.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef pixman_region32_t QRegion;
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#define REGION_TEST_LEFT_EXCLUSIVE (1 << 0)
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#define REGION_TEST_RIGHT_EXCLUSIVE (1 << 1)
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#define REGION_TEST_SHARED (1 << 2)
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#define REGION_TEST_ALL \
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(REGION_TEST_LEFT_EXCLUSIVE | REGION_TEST_RIGHT_EXCLUSIVE | REGION_TEST_SHARED)
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void region_init(QRegion *rgn);
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void region_clear(QRegion *rgn);
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void region_destroy(QRegion *rgn);
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void region_clone(QRegion *dest, const QRegion *src);
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SpiceRect *region_dup_rects(const QRegion *rgn, uint32_t *num_rects);
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void region_ret_rects(const QRegion *rgn, SpiceRect *rects, uint32_t num_rects);
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int region_test(const QRegion *rgn, const QRegion *other_rgn, int query);
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int region_is_valid(const QRegion *rgn);
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int region_is_empty(const QRegion *rgn);
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int region_is_equal(const QRegion *rgn1, const QRegion *rgn2);
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int region_intersects(const QRegion *rgn1, const QRegion *rgn2);
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int region_bounds_intersects(const QRegion *rgn1, const QRegion *rgn2);
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int region_contains(const QRegion *rgn, const QRegion *other);
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int region_contains_point(const QRegion *rgn, int32_t x, int32_t y);
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void region_or(QRegion *rgn, const QRegion *other_rgn);
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void region_and(QRegion *rgn, const QRegion *other_rgn);
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void region_xor(QRegion *rgn, const QRegion *other_rgn);
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void region_exclude(QRegion *rgn, const QRegion *other_rgn);
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void region_add(QRegion *rgn, const SpiceRect *r);
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void region_remove(QRegion *rgn, const SpiceRect *r);
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void region_offset(QRegion *rgn, int32_t dx, int32_t dy);
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void region_dump(const QRegion *rgn, const char *prefix);
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#ifdef __cplusplus
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}
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#endif
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#endif
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