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/* -*- Mode: C; c-basic-offset: 4; indent-tabs-mode: nil -*- */
/*
Copyright (C) 2009-2015 Red Hat, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef TREE_H_
# define TREE_H_
#include <stdint.h>
#include "common/region.h"
#include "common/ring.h"
#include "spice-bitmap-utils.h"
enum {
TREE_ITEM_TYPE_NONE,
TREE_ITEM_TYPE_DRAWABLE,
TREE_ITEM_TYPE_CONTAINER,
TREE_ITEM_TYPE_SHADOW,
TREE_ITEM_TYPE_LAST,
};
typedef struct TreeItem TreeItem;
typedef struct Shadow Shadow;
typedef struct Container Container;
typedef struct DrawItem DrawItem;
/* TODO consider GNode instead */
struct TreeItem {
RingItem siblings_link;
uint32_t type;
Container *container;
QRegion rgn;
};
/* A region "below" a copy, or the src region of the copy */
struct Shadow {
TreeItem base;
QRegion on_hold;
DrawItem* owner;
};
#define IS_SHADOW(item) ((item)->type == TREE_ITEM_TYPE_SHADOW)
#define SHADOW(item) ((Shadow*)(item))
struct Container {
TreeItem base;
Ring items;
};
#define IS_CONTAINER(item) ((item)->type == TREE_ITEM_TYPE_CONTAINER)
#define CONTAINER(item) ((Container*)(item))
struct DrawItem {
TreeItem base;
uint8_t effect;
uint8_t container_root;
Shadow *shadow;
};
#define IS_DRAW_ITEM(item) ((item)->type == TREE_ITEM_TYPE_DRAWABLE)
#define DRAW_ITEM(item) ((DrawItem*)(item))
void tree_item_dump (TreeItem *item);
Shadow* shadow_new (DrawItem *item, const SpicePoint *delta);
Container* container_new (DrawItem *item);
#endif /* TREE_H_ */
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