2 Copyright (C) 2009-2010 Samsung Electronics
3 Copyright (C) 2009-2010 ProFUSION embedded systems
5 This library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Library General Public
7 License as published by the Free Software Foundation; either
8 version 2 of the License, or (at your option) any later version.
10 This library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Library General Public License for more details.
15 You should have received a copy of the GNU Library General Public License
16 along with this library; see the file COPYING.LIB. If not, write to
17 the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
21 #ifndef ewk_tiled_backing_store_h
22 #define ewk_tiled_backing_store_h
26 /* Enable accounting of render time in tile statistics */
27 // #define TILE_STATS_ACCOUNT_RENDER_TIME
30 /* If define ewk will do more accounting to check for memory leaks
31 * try "kill -USR1 $PID" to get instantaneous debug
32 * try "kill -USR2 $PID" to get instantaneous debug and force flush of cache
34 #undef DEBUG_MEM_LEAKS
36 #if ENABLE(TIZEN_DEFAULT_TILE_SIZE)
37 #define DEFAULT_TILE_W (320)
38 #define DEFAULT_TILE_H (320)
40 #define DEFAULT_TILE_W (256)
41 #define DEFAULT_TILE_H (256)
44 #define ZOOM_STEP_MIN (0.01)
46 #define TILE_SIZE_AT_ZOOM(SIZE, ZOOM) ((int)roundf((SIZE) * (ZOOM)))
47 #define TILE_ZOOM_AT_SIZE(SIZE, ORIG_TILE) ((float)(SIZE) / (float)(ORIG_TILE))
48 #define ROUNDED_ZOOM(SIZE, ZOOM) ((float)(SIZE) / (float)(((int)roundf((SIZE) / (ZOOM)))))
53 typedef struct _Ewk_Tile Ewk_Tile;
54 typedef struct _Ewk_Tile_Stats Ewk_Tile_Stats;
55 typedef struct _Ewk_Tile_Matrix Ewk_Tile_Matrix;
57 struct _Ewk_Tile_Stats {
58 double last_used; /**< time of last use */
59 #ifdef TILE_STATS_ACCOUNT_RENDER_TIME
60 double render_time; /**< amount of time this tile took to render */
62 unsigned int area; /**< cache for (w * h) */
63 unsigned int misses; /**< number of times it became dirty but not
64 * repainted at all since it was not visible.
66 Eina_Bool full_update : 1; /**< tile requires full size update */
70 #if ENABLE(TIZEN_TILE_REUSE_ALREADY_CREATED)
71 Eina_Inlist cache; /**< cache of unused tiles entries */
73 Eina_Tiler* updates; /**< updated/dirty areas */
74 Ewk_Tile_Stats stats; /**< tile usage statistics */
75 unsigned long col, row; /**< tile tile position */
76 Evas_Coord x, y; /**< tile coordinate position */
77 #if ENABLE(TIZEN_TILE_REUSE_ALREADY_CREATED)
78 Ewk_Tile_Matrix* matrix; /**< the matrix that contains this tile */
81 void (*cb)(void* data, Ewk_Tile* t);
85 #if !ENABLE(TIZEN_CAIRO_USAGE_ON_DEMAND)
86 /* TODO: does it worth to keep those or create on demand? */
87 cairo_surface_t* surface;
91 /** Never ever change those after tile is created (respect const!) */
92 const Evas_Coord width, height; /**< tile size (see TILE_SIZE_AT_ZOOM()) */
93 const Evas_Colorspace cspace; /**< colorspace */
94 const float zoom; /**< zoom level contents were rendered at */
95 const size_t bytes; /**< bytes used in pixels. keep
96 * before pixels to guarantee
99 #if ENABLE(TIZEN_CAIRO_SCALE_PATCH)
100 const Eina_Bool scaled; /**< contents is being scaled or not when
104 int visible; /**< visibility counter of this tile */
105 Evas_Object* image; /**< Evas Image, the tile to be rendered */
107 #if ENABLE(TIZEN_TILE_REUSE_ALREADY_CREATED)
108 Eina_Bool empty; /**< is there something on the image? */
110 #if ENABLE(TIZEN_TILE_ADD_PAINTED_STATE)
111 Eina_Bool painted:1; /**< painted */
115 #include "ewk_tiled_matrix.h"
116 #include "ewk_tiled_model.h"
119 Evas_Object* ewk_tiled_backing_store_add(Evas* e);
121 void ewk_tiled_backing_store_render_cb_set(Evas_Object *o, Eina_Bool (*cb)(void* data, Ewk_Tile* t, const Eina_Rectangle* area), const void* data);
123 Eina_Bool ewk_tiled_backing_store_scroll_full_offset_set(Evas_Object* o, Evas_Coord x, Evas_Coord y);
124 Eina_Bool ewk_tiled_backing_store_scroll_full_offset_add(Evas_Object* o, Evas_Coord dx, Evas_Coord dy);
125 Eina_Bool ewk_tiled_backing_store_scroll_inner_offset_add(Evas_Object* o, Evas_Coord dx, Evas_Coord dy, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h);
127 Eina_Bool ewk_tiled_backing_store_zoom_set(Evas_Object* o, float* zoom, Evas_Coord cx, Evas_Coord cy, Evas_Coord* offx, Evas_Coord* offy);
128 void ewk_tiled_backing_store_fix_offsets(Evas_Object* o, Evas_Coord w, Evas_Coord h);
129 void ewk_tiled_backing_store_bg_color_set(Evas_Object* o, Eina_Bool has_alpha);
130 Eina_Bool ewk_tiled_backing_store_update(Evas_Object* o, const Eina_Rectangle* update);
131 void ewk_tiled_backing_store_updates_process_pre_set(Evas_Object* o, void*(*cb)(void* data, Evas_Object *o), const void* data);
132 void ewk_tiled_backing_store_updates_process_post_set(Evas_Object* o, void*(*cb)(void* data, void* pre_data, Evas_Object *o), const void* data);
133 void ewk_tiled_backing_store_updates_process(Evas_Object* o);
134 void ewk_tiled_backing_store_updates_clear(Evas_Object* o);
135 void ewk_tiled_backing_store_contents_resize(Evas_Object* o, Evas_Coord width, Evas_Coord height);
136 void ewk_tiled_backing_store_disabled_update_set(Evas_Object* o, Eina_Bool value);
137 #if ENABLE(TIZEN_FIX_RSS_IMAGE_DISPLAY)
138 Eina_Bool ewk_tiled_backing_store_disabled_update_get(Evas_Object* o);
140 void ewk_tiled_backing_store_flush(Evas_Object* o);
141 void ewk_tiled_backing_store_enable_scale_set(Evas_Object* o, Eina_Bool value);
143 Ewk_Tile_Unused_Cache* ewk_tiled_backing_store_tile_unused_cache_get(const Evas_Object* o);
144 void ewk_tiled_backing_store_tile_unused_cache_set(Evas_Object* o, Ewk_Tile_Unused_Cache* tuc);
146 Eina_Bool ewk_tiled_backing_store_pre_render_region(Evas_Object* o, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h, float zoom);
147 Eina_Bool ewk_tiled_backing_store_pre_render_relative_radius(Evas_Object* o, unsigned int n, float zoom);
148 Eina_Bool ewk_tiled_backing_store_pre_render_spiral_queue(Evas_Object* o, Eina_Rectangle* view_rect, Eina_Rectangle* render_rect, int max_memory, float zoom);
149 void ewk_tiled_backing_store_pre_render_cancel(Evas_Object* o);
151 Eina_Bool ewk_tiled_backing_store_disable_render(Evas_Object *o);
152 Eina_Bool ewk_tiled_backing_store_enable_render(Evas_Object *o);
153 Eina_Bool ewk_tiled_backing_store_active_set(Evas_Object *o, Eina_Bool value);
154 #if ENABLE(TIZEN_FIX_RSS_IMAGE_DISPLAY)
155 void ewk_tiled_backing_store_zoom_changed_set(Evas_Object* o, Eina_Bool value);
156 Eina_Bool ewk_tiled_backing_store_zoom_changed_get(Evas_Object* o);
159 #if ENABLE(TIZEN_SELECTIVE_RENDERING)
160 Eina_Bool ewk_tiled_backing_store_selective_rendering_set(Evas_Object* o, Eina_Bool value);
161 Eina_Bool ewk_tiled_backing_store_selective_rendering_is_enabled(Evas_Object* o);
164 #if ENABLE(TIZEN_TILE_SIZE_SET)
165 void ewk_tiled_backing_store_tile_size_get(const Evas_Object *o, Evas_Coord *tw, Evas_Coord *th);
166 Eina_Bool ewk_tiled_backing_store_tile_size_set(Evas_Object *o, Evas_Coord tw, Evas_Coord th);
169 #endif // ewk_tiled_backing_store_h