summaryrefslogtreecommitdiff
path: root/src/lib/evas/canvas/evas_vg_private.h
blob: b2283d3c6a04f197e8d80fa77372dddc8abad6b5 (plain) (blame)
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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
#ifndef EVAS_VG_PRIVATE_H_
# define EVAS_VG_PRIVATE_H_

#include <Ector.h>

typedef struct _Efl_Canvas_Vg_Node_Data             Efl_Canvas_Vg_Node_Data;
typedef struct _Efl_Canvas_Vg_Container_Data        Efl_Canvas_Vg_Container_Data;
typedef struct _Efl_Canvas_Vg_Gradient_Data         Efl_Canvas_Vg_Gradient_Data;
typedef struct _Efl_Canvas_Vg_Interpolation         Efl_Canvas_Vg_Interpolation;
typedef struct _Efl_Canvas_Vg_Object_Data           Efl_Canvas_Vg_Object_Data;

typedef struct _Vg_Cache
{
   Eina_Hash             *vfd_hash;
   Eina_Hash             *vg_entry_hash;
   int                    ref;
} Vg_Cache;

typedef struct _Vg_Cache_Entry
{
   char                 *hash_key;
   Eina_Stringshare     *file;
   Eina_Stringshare     *key;
   int                   w;
   int                   h;
   Efl_VG               *root;
   int                   ref;
   Vg_File_Data         *vfd;

} Vg_Cache_Entry;

// holds the vg tree info set by the user
typedef struct _Vg_User_Entry
{
   int                   w; // current surface width
   int                   h; // current surface height
   Efl_VG               *root;
} Vg_User_Entry;

struct _Efl_Canvas_Vg_Object_Data
{
   Efl_VG                    *root;
   Vg_Cache_Entry            *vg_entry;
   Vg_User_Entry             *user_entry; //holds the user set vg tree
   Eina_Rect                  fill;
   Eina_Rect                  viewbox;
   unsigned int               width, height;
   Eina_Array                 cleanup;
   double                     align_x, align_y;
   Efl_Canvas_Vg_Fill_Mode    fill_mode;

   Eina_Bool                  changed : 1;
};

struct _Efl_Canvas_Vg_Node_Data
{
   Eina_Matrix3 *m;
   Efl_Canvas_Vg_Interpolation *intp;

   Ector_Renderer *renderer;

   Efl_VG *vg_obj;    //...Not necessary!!

   void (*render_pre)(Evas_Object_Protected_Data *vg_pd, Efl_VG *node,
         Efl_Canvas_Vg_Node_Data *nd, Ector_Surface *surface,
         Eina_Matrix3 *ptransform, Ector_Buffer *mask, int mask_op, void *data);
   void *data;

   double x, y;
   int r, g, b, a;
   Efl_Gfx_Change_Flag flags;

   Eina_Bool visibility : 1;
   Eina_Bool changed : 1;
   Eina_Bool parenting : 1;
};

typedef struct _Vg_Mask
{
   Evas_Object_Protected_Data *vg_pd;  //Vector Object (for accessing backend engine)
   Ector_Buffer *buffer;               //Mask Ector Buffer
   void *pixels;                       //Mask pixel buffer (actual data)
   Eina_Rect bound;                    //Mask boundary
   Eina_List *target;                  //Mask target
   int option;                         //Mask option
   Eina_Bool dirty : 1;                //Need to update mask image.
} Vg_Mask;

struct _Efl_Canvas_Vg_Container_Data
{
   Eina_List *children;
   Eina_Hash *names;

   //Masking feature.
   Efl_Canvas_Vg_Node *mask_src;         //Mask Source
   Vg_Mask mask;                         //Mask source data
};

struct _Efl_Canvas_Vg_Gradient_Data
{
   // FIXME: Later on we should deduplicate it somehow (Using Ector ?).
   Efl_Gfx_Gradient_Stop *colors;
   unsigned int colors_count;

   Efl_Gfx_Gradient_Spread spread;
};

struct _Efl_Canvas_Vg_Interpolation
{
   Eina_Quaternion rotation;
   Eina_Quaternion perspective;
   Eina_Point_3D translation;
   Eina_Point_3D scale;
   Eina_Point_3D skew;
};


void                        evas_cache_vg_init(void);
void                        evas_cache_vg_shutdown(void);
Vg_Cache_Entry*             evas_cache_vg_entry_resize(Vg_Cache_Entry *entry, int w, int h);
Vg_Cache_Entry*             evas_cache_vg_entry_create(const char *file, const char *key, int w, int h);
Efl_VG*                     evas_cache_vg_tree_get(Vg_Cache_Entry *vg_entry);
void                        evas_cache_vg_entry_del(Vg_Cache_Entry *vg_entry);
Vg_File_Data *              evas_cache_vg_file_open(const char *file, const char *key);
Eina_Bool                   evas_cache_vg_file_save(Efl_VG *root, int w, int h, const char *file, const char *key, const char *flags);
Eina_Bool                   evas_cache_vg_entry_file_save(Vg_Cache_Entry *vg_entry, const char *file, const char *key, const char *flags);
void                        efl_canvas_vg_node_root_set(Efl_VG *node, Efl_VG *vg_obj);

static inline Efl_Canvas_Vg_Node_Data *
_evas_vg_render_pre(Evas_Object_Protected_Data *vg_pd, Efl_VG *child, Ector_Surface *surface, Eina_Matrix3 *transform, Ector_Buffer *mask, int mask_op)
{
   if (!child) return NULL;
   Efl_Canvas_Vg_Node_Data *nd = efl_data_scope_get(child, EFL_CANVAS_VG_NODE_CLASS);
   if (nd) nd->render_pre(vg_pd, child, nd, surface, transform, mask, mask_op, nd->data);
   return nd;
}

static inline void
_efl_canvas_vg_node_changed(Eo *obj)
{
   Efl_Gfx_Path_Change_Event ev = { EFL_GFX_CHANGE_FLAG_FILL };

   if (obj) efl_event_callback_call(obj, EFL_GFX_PATH_EVENT_CHANGED, &ev);
}

#define EFL_CANVAS_VG_COMPUTE_MATRIX(Current, Parent, Nd)                      \
  Eina_Matrix3 *Current = Nd->m;                                        \
  Eina_Matrix3 _matrix_tmp;                                             \
                                                                        \
  if (Parent)                                                           \
    {                                                                   \
       if (Current)                                                     \
         {                                                              \
            eina_matrix3_compose(Parent, Current, &_matrix_tmp);        \
            Current = &_matrix_tmp;                                     \
         }                                                              \
       else                                                             \
         {                                                              \
            eina_matrix3_identity(&_matrix_tmp);                        \
            eina_matrix3_translate(&_matrix_tmp, -(Nd->x), -(Nd->y));   \
            eina_matrix3_compose(Parent, &_matrix_tmp, &_matrix_tmp);   \
            eina_matrix3_translate(&_matrix_tmp, (Nd->x), (Nd->y));     \
            Current = &_matrix_tmp;                                     \
         }                                                              \
    }


#endif