105 lines
3.1 KiB
C
105 lines
3.1 KiB
C
/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
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/*
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* Copyright (C) 2014 Endless Mobile
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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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* Jasper St. Pierre <jstpierre@mecheye.net>
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*/
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#include "config.h"
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#include "meta-wayland-region.h"
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struct _MetaWaylandRegion
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{
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struct wl_resource *resource;
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cairo_region_t *region;
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};
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static void
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wl_region_destroy (struct wl_client *client,
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struct wl_resource *resource)
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{
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wl_resource_destroy (resource);
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}
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static void
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wl_region_add (struct wl_client *client,
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struct wl_resource *resource,
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gint32 x,
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gint32 y,
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gint32 width,
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gint32 height)
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{
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MetaWaylandRegion *region = wl_resource_get_user_data (resource);
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cairo_rectangle_int_t rectangle = { x, y, width, height };
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cairo_region_union_rectangle (region->region, &rectangle);
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}
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static void
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wl_region_subtract (struct wl_client *client,
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struct wl_resource *resource,
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gint32 x,
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gint32 y,
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gint32 width,
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gint32 height)
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{
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MetaWaylandRegion *region = wl_resource_get_user_data (resource);
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cairo_rectangle_int_t rectangle = { x, y, width, height };
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cairo_region_subtract_rectangle (region->region, &rectangle);
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}
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static const struct wl_region_interface meta_wayland_wl_region_interface = {
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wl_region_destroy,
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wl_region_add,
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wl_region_subtract
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};
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static void
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wl_region_destructor (struct wl_resource *resource)
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{
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MetaWaylandRegion *region = wl_resource_get_user_data (resource);
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cairo_region_destroy (region->region);
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g_slice_free (MetaWaylandRegion, region);
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}
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MetaWaylandRegion *
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meta_wayland_region_create (MetaWaylandCompositor *compositor,
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struct wl_client *client,
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struct wl_resource *compositor_resource,
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guint32 id)
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{
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MetaWaylandRegion *region = g_slice_new0 (MetaWaylandRegion);
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region->resource = wl_resource_create (client, &wl_region_interface, wl_resource_get_version (compositor_resource), id);
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wl_resource_set_implementation (region->resource, &meta_wayland_wl_region_interface, region, wl_region_destructor);
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region->region = cairo_region_create ();
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return region;
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}
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cairo_region_t *
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meta_wayland_region_peek_cairo_region (MetaWaylandRegion *region)
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{
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return region->region;
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}
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