clutter/clutter-paint-node-private.h

   1 /*
   2  * Clutter.
   3  *
   4  * An OpenGL based 'interactive canvas' library.
   5  *
   6  * Copyright (C) 2011  Intel Corporation.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library. If not, see <http://www.gnu.org/licenses/>.
  20  *
  21  * Author:
  22  *   Emmanuele Bassi <ebassi@linux.intel.com>
  23  */
  24
  25 #ifndef __CLUTTER_PAINT_NODE_PRIVATE_H__
  26 #define __CLUTTER_PAINT_NODE_PRIVATE_H__
  27
  28 #include <glib-object.h>
  29 #include <json-glib/json-glib.h>
  30 #include <clutter/clutter-paint-node.h>
  31
  32 G_BEGIN_DECLS
  33
  34 #define CLUTTER_PAINT_NODE_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), CLUTTER_TYPE_PAINT_NODE, ClutterPaintNodeClass))
  35 #define CLUTTER_IS_PAINT_NODE_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), CLUTTER_TYPE_PAINT_NODE))
  36 #define CLUTTER_PAINT_NODE_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), CLUTTER_TYPE_PAINT_NODE, ClutterPaintNodeClass))
  37
  38 typedef struct _ClutterPaintOperation   ClutterPaintOperation;
  39
  40 struct _ClutterPaintNode
  41 {
  42   GTypeInstance parent_instance;
  43
  44   ClutterPaintNode *parent;
  45
  46   ClutterPaintNode *first_child;
  47   ClutterPaintNode *prev_sibling;
  48   ClutterPaintNode *next_sibling;
  49   ClutterPaintNode *last_child;
  50
  51   guint n_children;
  52
  53   GArray *operations;
  54
  55   gchar *name;
  56
  57   volatile int ref_count;
  58 };
  59
  60 struct _ClutterPaintNodeClass
  61 {
  62   GTypeClass base_class;
  63
  64   void     (* finalize)  (ClutterPaintNode *node);
  65
  66   gboolean (* pre_draw)  (ClutterPaintNode *node);
  67   void     (* draw)      (ClutterPaintNode *node);
  68   void     (* post_draw) (ClutterPaintNode *node);
  69
  70   JsonNode*(* serialize) (ClutterPaintNode *node);
  71 };
  72
  73 #define PAINT_OP_INIT   { PAINT_OP_INVALID }
  74
  75 typedef enum {
  76   PAINT_OP_INVALID = 0,
  77   PAINT_OP_TEX_RECT,
  78   PAINT_OP_PATH,
  79   PAINT_OP_PRIMITIVE
  80 } PaintOpCode;
  81
  82 struct _ClutterPaintOperation
  83 {
  84   PaintOpCode opcode;
  85
  86   union {
  87     float texrect[8];
  88
  89     CoglPath *path;
  90
  91     CoglPrimitive *primitive;
  92   } op;
  93 };
  94
  95 GType _clutter_root_node_get_type (void) G_GNUC_CONST;
  96 GType _clutter_transform_node_get_type (void) G_GNUC_CONST;
  97 GType _clutter_dummy_node_get_type (void) G_GNUC_CONST;
  98
  99 void                    _clutter_paint_operation_paint_rectangle        (const ClutterPaintOperation *op);
 100 void                    _clutter_paint_operation_clip_rectangle         (const ClutterPaintOperation *op);
 101 void                    _clutter_paint_operation_paint_path             (const ClutterPaintOperation *op);
 102 void                    _clutter_paint_operation_clip_path              (const ClutterPaintOperation *op);
 103 void                    _clutter_paint_operation_paint_primitive        (const ClutterPaintOperation *op);
 104
 105 void                    _clutter_paint_node_init_types                  (void);
 106 gpointer                _clutter_paint_node_create                      (GType gtype);
 107
 108 ClutterPaintNode *      _clutter_root_node_new                          (CoglFramebuffer             *framebuffer,
 109                                                                          const ClutterColor          *clear_color,
 110                                                                          CoglBufferBit                clear_flags,
 111                                                                          const CoglMatrix            *matrix);
 112 ClutterPaintNode *      _clutter_transform_node_new                     (const CoglMatrix            *matrix);
 113 ClutterPaintNode *      _clutter_dummy_node_new                         (ClutterActor                *actor);
 114
 115 void                    _clutter_paint_node_paint                       (ClutterPaintNode            *root);
 116 void                    _clutter_paint_node_dump_tree                   (ClutterPaintNode            *root);
 117
 118 G_GNUC_INTERNAL
 119 void                    clutter_paint_node_remove_child                 (ClutterPaintNode      *node,
 120                                                                          ClutterPaintNode      *child);
 121 G_GNUC_INTERNAL
 122 void                    clutter_paint_node_replace_child                (ClutterPaintNode      *node,
 123                                                                          ClutterPaintNode      *old_child,
 124                                                                          ClutterPaintNode      *new_child);
 125 G_GNUC_INTERNAL
 126 void                    clutter_paint_node_remove_all                   (ClutterPaintNode      *node);
 127
 128 G_GNUC_INTERNAL
 129 guint                   clutter_paint_node_get_n_children               (ClutterPaintNode      *node);
 130
 131 G_GNUC_INTERNAL
 132 ClutterPaintNode *      clutter_paint_node_get_first_child              (ClutterPaintNode      *node);
 133 G_GNUC_INTERNAL
 134 ClutterPaintNode *      clutter_paint_node_get_previous_sibling         (ClutterPaintNode      *node);
 135 G_GNUC_INTERNAL
 136 ClutterPaintNode *      clutter_paint_node_get_next_sibling             (ClutterPaintNode      *node);
 137 G_GNUC_INTERNAL
 138 ClutterPaintNode *      clutter_paint_node_get_last_child               (ClutterPaintNode      *node);
 139 G_GNUC_INTERNAL
 140 ClutterPaintNode *      clutter_paint_node_get_parent                   (ClutterPaintNode      *node);
 141
 142 #define CLUTTER_TYPE_LAYER_NODE                 (_clutter_layer_node_get_type ())
 143 #define CLUTTER_LAYER_NODE(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), CLUTTER_TYPE_LAYER_NODE, ClutterLayerNode))
 144 #define CLUTTER_IS_LAYER_NODE(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), CLUTTER_TYPE_LAYER_NODE))
 145
 146 /*
 147  * ClutterLayerNode:
 148  *
 149  * The <structname>ClutterLayerNode</structname> structure is an opaque
 150  * type whose members cannot be directly accessed.
 151  *
 152  * Since: 1.10
 153  */
 154 typedef struct _ClutterLayerNode                ClutterLayerNode;
 155 typedef struct _ClutterLayerNodeClass           ClutterLayerNodeClass;
 156
 157 GType _clutter_layer_node_get_type (void) G_GNUC_CONST;
 158
 159 ClutterPaintNode *      _clutter_layer_node_new         (const CoglMatrix        *projection,
 160                                                          const cairo_rectangle_t *viewport,
 161                                                          float                    width,
 162                                                          float                    height,
 163                                                          guint8                   opacity);
 164
 165
 166 G_END_DECLS
 167
 168 #endif /* __CLUTTER_PAINT_NODE_PRIVATE_H__ */