| /* |
| Copyright (C) 2009-2010 Samsung Electronics |
| Copyright (C) 2009-2010 ProFUSION embedded systems |
| |
| This library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Library 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 |
| Library General Public License for more details. |
| |
| You should have received a copy of the GNU Library General Public License |
| along with this library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| Boston, MA 02110-1301, USA. |
| */ |
| |
| #ifndef ewk_tiled_backing_store_h |
| #define ewk_tiled_backing_store_h |
| |
| #include "EWebKit.h" |
| |
| /* Enable accounting of render time in tile statistics */ |
| // #define TILE_STATS_ACCOUNT_RENDER_TIME |
| |
| |
| /* If define ewk will do more accounting to check for memory leaks |
| * try "kill -USR1 $PID" to get instantaneous debug |
| * try "kill -USR2 $PID" to get instantaneous debug and force flush of cache |
| */ |
| #define DEBUG_MEM_LEAKS 1 |
| |
| #define TILE_W (256) |
| #define TILE_H (256) |
| |
| #define ZOOM_STEP_MIN (0.01) |
| |
| #define TILE_SIZE_AT_ZOOM(SIZE, ZOOM) ((int)roundf((SIZE) * (ZOOM))) |
| #define TILE_W_ZOOM_AT_SIZE(SIZE) ((float)SIZE / (float)TILE_W) |
| #define TILE_H_ZOOM_AT_SIZE(SIZE) ((float)SIZE / (float)TILE_H) |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #include <Evas.h> |
| #include <cairo.h> |
| |
| typedef struct _Ewk_Tile Ewk_Tile; |
| typedef struct _Ewk_Tile_Stats Ewk_Tile_Stats; |
| typedef struct _Ewk_Tile_Matrix Ewk_Tile_Matrix; |
| |
| struct _Ewk_Tile_Stats { |
| double last_used; /**< time of last use */ |
| #ifdef TILE_STATS_ACCOUNT_RENDER_TIME |
| double render_time; /**< amount of time this tile took to render */ |
| #endif |
| unsigned int area; /**< cache for (w * h) */ |
| unsigned int misses; /**< number of times it became dirty but not |
| * repainted at all since it was not visible. |
| */ |
| Eina_Bool full_update:1; /**< tile requires full size update */ |
| }; |
| |
| struct _Ewk_Tile { |
| EINA_INLIST; /**< sibling tiles at same (i, j) but other zoom */ |
| Eina_Tiler *updates; /**< updated/dirty areas */ |
| Ewk_Tile_Stats stats; /**< tile usage statistics */ |
| unsigned long col, row; /**< tile tile position */ |
| Evas_Coord x, y; /**< tile coordinate position */ |
| |
| /* TODO: does it worth to keep those or create on demand? */ |
| cairo_surface_t *surface; |
| cairo_t *cairo; |
| |
| /** Never ever change those after tile is created (respect const!) */ |
| const Evas_Coord w, h; /**< tile size (see TILE_SIZE_AT_ZOOM()) */ |
| const Evas_Colorspace cspace; /**< colorspace */ |
| const float zoom; /**< zoom level contents were rendered at */ |
| const size_t bytes; /**< bytes used in pixels. keep |
| * before pixels to guarantee |
| * alignement! |
| */ |
| int visible; /**< visibility counter of this tile */ |
| Evas_Object *image; /**< Evas Image, the tile to be rendered */ |
| uint8_t *pixels; |
| }; |
| |
| #include "ewk_tiled_matrix.h" |
| #include "ewk_tiled_model.h" |
| |
| /* view */ |
| EAPI Evas_Object *ewk_tiled_backing_store_add(Evas *e); |
| |
| EAPI 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); |
| |
| EAPI Eina_Bool ewk_tiled_backing_store_scroll_full_offset_set(Evas_Object *o, Evas_Coord x, Evas_Coord y); |
| EAPI Eina_Bool ewk_tiled_backing_store_scroll_full_offset_add(Evas_Object *o, Evas_Coord dx, Evas_Coord dy); |
| EAPI 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); |
| |
| EAPI 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); |
| EAPI Eina_Bool ewk_tiled_backing_store_zoom_weak_set(Evas_Object *o, float zoom, Evas_Coord cx, Evas_Coord cy); |
| EAPI void ewk_tiled_backing_store_fix_offsets(Evas_Object *o, Evas_Coord w, Evas_Coord h); |
| EAPI void ewk_tiled_backing_store_zoom_weak_smooth_scale_set(Evas_Object *o, Eina_Bool smooth_scale); |
| EAPI Eina_Bool ewk_tiled_backing_store_update(Evas_Object *o, const Eina_Rectangle *update); |
| EAPI void ewk_tiled_backing_store_updates_process_pre_set(Evas_Object *o, void *(*cb)(void *data, Evas_Object *o), const void *data); |
| EAPI 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); |
| EAPI void ewk_tiled_backing_store_process_entire_queue_set(Evas_Object *o, Eina_Bool value); |
| EAPI void ewk_tiled_backing_store_updates_process(Evas_Object *o); |
| EAPI void ewk_tiled_backing_store_updates_clear(Evas_Object *o); |
| EAPI void ewk_tiled_backing_store_contents_resize(Evas_Object *o, Evas_Coord width, Evas_Coord height); |
| EAPI void ewk_tiled_backing_store_disabled_update_set(Evas_Object *o, Eina_Bool value); |
| EAPI void ewk_tiled_backing_store_flush(Evas_Object *o); |
| EAPI void ewk_tiled_backing_store_enable_scale_set(Evas_Object *o, Eina_Bool value); |
| |
| EAPI Ewk_Tile_Unused_Cache *ewk_tiled_backing_store_tile_unused_cache_get(const Evas_Object *o); |
| EAPI void ewk_tiled_backing_store_tile_unused_cache_set(Evas_Object *o, Ewk_Tile_Unused_Cache *tuc); |
| |
| EAPI 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); |
| EAPI Eina_Bool ewk_tiled_backing_store_pre_render_relative_radius(Evas_Object *o, unsigned int n, float zoom); |
| EAPI void ewk_tiled_backing_store_pre_render_cancel(Evas_Object *o); |
| |
| EAPI Eina_Bool ewk_tiled_backing_store_disable_render(Evas_Object *o); |
| EAPI Eina_Bool ewk_tiled_backing_store_enable_render(Evas_Object *o); |
| #ifdef __cplusplus |
| } |
| #endif |
| #endif // ewk_tiled_backing_store_h |