/*

 * Clutter.

 *

 * An OpenGL based 'interactive canvas' library.

 *

 * Copyright (C) 2011  Intel Corporation.

 *

 * 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 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/>.

 *

 * Author:

 *   Emmanuele Bassi <ebassi@linux.intel.com>

 */

#ifndef __CLUTTER_PAINT_NODE_PRIVATE_H__

#define __CLUTTER_PAINT_NODE_PRIVATE_H__

#include <glib-object.h>

#include <json-glib/json-glib.h>

#include <clutter/clutter-paint-node.h>

G_BEGIN_DECLS

#define CLUTTER_PAINT_NODE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_PAINT_NODE, ClutterPaintNodeClass))

#define CLUTTER_IS_PAINT_NODE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_PAINT_NODE))

#define CLUTTER_PAINT_NODE_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_PAINT_NODE, ClutterPaintNodeClass))

typedef struct _ClutterPaintOperation   ClutterPaintOperation;

struct _ClutterPaintNode

{

  GTypeInstance parent_instance;

  ClutterPaintNode *parent;

  ClutterPaintNode *first_child;

  ClutterPaintNode *prev_sibling;

  ClutterPaintNode *next_sibling;

  ClutterPaintNode *last_child;

  guint n_children;

  GArray *operations;

  gchar *name;

  volatile int ref_count;

};

struct _ClutterPaintNodeClass

{

  GTypeClass base_class;

  void     (* finalize)  (ClutterPaintNode *node);

  gboolean (* pre_draw)  (ClutterPaintNode *node);

  void     (* draw)      (ClutterPaintNode *node);

  void     (* post_draw) (ClutterPaintNode *node);

  JsonNode*(* serialize) (ClutterPaintNode *node);

  CoglFramebuffer *(* get_framebuffer) (ClutterPaintNode *node);

};

#define PAINT_OP_INIT   { PAINT_OP_INVALID }

typedef enum {

  PAINT_OP_INVALID = 0,

  PAINT_OP_TEX_RECT,

  PAINT_OP_PATH,

  PAINT_OP_PRIMITIVE

} PaintOpCode;

struct _ClutterPaintOperation

{

  PaintOpCode opcode;

  union {

    float texrect[8];

    CoglPath *path;

    CoglPrimitive *primitive;

  } op;

};

GType _clutter_root_node_get_type (void) G_GNUC_CONST;

GType _clutter_transform_node_get_type (void) G_GNUC_CONST;

GType _clutter_dummy_node_get_type (void) G_GNUC_CONST;

void                    _clutter_paint_operation_paint_rectangle        (const ClutterPaintOperation *op);

void                    _clutter_paint_operation_clip_rectangle         (const ClutterPaintOperation *op);

void                    _clutter_paint_operation_paint_path             (const ClutterPaintOperation *op);

void                    _clutter_paint_operation_clip_path              (const ClutterPaintOperation *op);

void                    _clutter_paint_operation_paint_primitive        (const ClutterPaintOperation *op);

void                    _clutter_paint_node_init_types                  (void);

gpointer                _clutter_paint_node_create                      (GType gtype);

ClutterPaintNode *      _clutter_root_node_new                          (CoglFramebuffer             *framebuffer,

                                                                         const ClutterColor          *clear_color,

                                                                         CoglBufferBit                clear_flags);

ClutterPaintNode *      _clutter_transform_node_new                     (const CoglMatrix            *matrix);

ClutterPaintNode *      _clutter_dummy_node_new                         (ClutterActor                *actor);

void                    _clutter_paint_node_paint                       (ClutterPaintNode            *root);

void                    _clutter_paint_node_dump_tree                   (ClutterPaintNode            *root);

G_GNUC_INTERNAL

void                    clutter_paint_node_remove_child                 (ClutterPaintNode      *node,

                                                                         ClutterPaintNode      *child);

G_GNUC_INTERNAL

void                    clutter_paint_node_replace_child                (ClutterPaintNode      *node,

                                                                         ClutterPaintNode      *old_child,

                                                                         ClutterPaintNode      *new_child);

G_GNUC_INTERNAL

void                    clutter_paint_node_remove_all                   (ClutterPaintNode      *node);

G_GNUC_INTERNAL

guint                   clutter_paint_node_get_n_children               (ClutterPaintNode      *node);

G_GNUC_INTERNAL

ClutterPaintNode *      clutter_paint_node_get_first_child              (ClutterPaintNode      *node);

G_GNUC_INTERNAL

ClutterPaintNode *      clutter_paint_node_get_previous_sibling         (ClutterPaintNode      *node);

G_GNUC_INTERNAL

ClutterPaintNode *      clutter_paint_node_get_next_sibling             (ClutterPaintNode      *node);

G_GNUC_INTERNAL

ClutterPaintNode *      clutter_paint_node_get_last_child               (ClutterPaintNode      *node);

G_GNUC_INTERNAL

ClutterPaintNode *      clutter_paint_node_get_parent                   (ClutterPaintNode      *node);

G_GNUC_INTERNAL

CoglFramebuffer *       clutter_paint_node_get_framebuffer              (ClutterPaintNode      *node);

#define CLUTTER_TYPE_LAYER_NODE                 (_clutter_layer_node_get_type ())

#define CLUTTER_LAYER_NODE(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_LAYER_NODE, ClutterLayerNode))

#define CLUTTER_IS_LAYER_NODE(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_LAYER_NODE))

/*

 * ClutterLayerNode:

 *

 * The #ClutterLayerNode structure is an opaque

 * type whose members cannot be directly accessed.

 *

 * Since: 1.10

 */

typedef struct _ClutterLayerNode                ClutterLayerNode;

typedef struct _ClutterLayerNodeClass           ClutterLayerNodeClass;

GType _clutter_layer_node_get_type (void) G_GNUC_CONST;

ClutterPaintNode *      _clutter_layer_node_new         (const CoglMatrix        *projection,

                                                         const cairo_rectangle_t *viewport,

                                                         float                    width,

                                                         float                    height,

                                                         guint8                   opacity);

G_END_DECLS

#endif /* __CLUTTER_PAINT_NODE_PRIVATE_H__ */