1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (C) 2014 Endless Mobile
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* Written by:
* Jasper St. Pierre <jstpierre@mecheye.net>
*/
#include "config.h"
#include "meta-wayland-region.h"
struct _MetaWaylandRegion
{
struct wl_resource *resource;
cairo_region_t *region;
};
static void
wl_region_destroy (struct wl_client *client,
struct wl_resource *resource)
{
wl_resource_destroy (resource);
}
static void
wl_region_add (struct wl_client *client,
struct wl_resource *resource,
gint32 x,
gint32 y,
gint32 width,
gint32 height)
{
MetaWaylandRegion *region = wl_resource_get_user_data (resource);
cairo_rectangle_int_t rectangle = { x, y, width, height };
cairo_region_union_rectangle (region->region, &rectangle);
}
static void
wl_region_subtract (struct wl_client *client,
struct wl_resource *resource,
gint32 x,
gint32 y,
gint32 width,
gint32 height)
{
MetaWaylandRegion *region = wl_resource_get_user_data (resource);
cairo_rectangle_int_t rectangle = { x, y, width, height };
cairo_region_subtract_rectangle (region->region, &rectangle);
}
static const struct wl_region_interface meta_wayland_wl_region_interface = {
wl_region_destroy,
wl_region_add,
wl_region_subtract
};
static void
wl_region_destructor (struct wl_resource *resource)
{
MetaWaylandRegion *region = wl_resource_get_user_data (resource);
cairo_region_destroy (region->region);
g_slice_free (MetaWaylandRegion, region);
}
MetaWaylandRegion *
meta_wayland_region_create (MetaWaylandCompositor *compositor,
struct wl_client *client,
struct wl_resource *compositor_resource,
guint32 id)
{
MetaWaylandRegion *region = g_slice_new0 (MetaWaylandRegion);
region->resource = wl_resource_create (client, &wl_region_interface, wl_resource_get_version (compositor_resource), id);
wl_resource_set_implementation (region->resource, &meta_wayland_wl_region_interface, region, wl_region_destructor);
region->region = cairo_region_create ();
return region;
}
cairo_region_t *
meta_wayland_region_peek_cairo_region (MetaWaylandRegion *region)
{
return region->region;
}
|
