/* 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 #include 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 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