1 files changed, 671 insertions, 0 deletions

diff --git a/libraries/evas/src/lib/canvas/evas_main.c b/libraries/evas/src/lib/canvas/evas_main.c
new file mode 100644
index 0000000..0a37b2c
--- /dev/null
+++ b/libraries/evas/src/lib/canvas/evas_main.c
@@ -0,0 +1,671 @@
+#include "evas_common.h"
+#include "evas_private.h"
+#include "evas_cs.h"
+
+#ifdef LKDEBUG
+EAPI Eina_Bool lockdebug = EINA_FALSE;
+EAPI int lockmax = 0;
+#endif
+
+static int _evas_init_count = 0;
+int _evas_log_dom_global = -1;
+EAPI int
+evas_init(void)
+{
+   if (++_evas_init_count != 1)
+     return _evas_init_count;
+
+#ifdef LKDEBUG
+   if (getenv("EVAS_LOCK_DEBUG"))
+      {
+         lockdebug = EINA_TRUE;
+         lockmax = atoi(getenv("EVAS_LOCK_DEBUG"));
+      }
+#endif
+   
+#ifdef HAVE_EVIL
+   if (!evil_init())
+     return --_evas_init_count;
+#endif
+
+   if (!eina_init())
+     goto shutdown_evil;
+
+   _evas_log_dom_global = eina_log_domain_register
+     ("evas_main", EVAS_DEFAULT_LOG_COLOR);
+   if (_evas_log_dom_global < 0)
+     {
+        EINA_LOG_ERR("Can not create a module log domain.");
+        goto shutdown_eina;
+     }
+
+   evas_module_init();
+#ifdef BUILD_ASYNC_EVENTS
+   if (!evas_async_events_init())
+     goto shutdown_module;
+#endif
+#ifdef EVAS_CSERVE
+   if (getenv("EVAS_CSERVE")) evas_cserve_init();
+#endif
+#ifdef BUILD_ASYNC_PRELOAD
+   _evas_preload_thread_init();
+#endif
+#ifdef EVAS_FRAME_QUEUING
+   evas_common_frameq_init();
+#endif
+
+   return _evas_init_count;
+
+#ifdef BUILD_ASYNC_EVENTS
+ shutdown_module:
+   evas_module_shutdown();
+   eina_log_domain_unregister(_evas_log_dom_global);
+#endif
+ shutdown_eina:
+   eina_shutdown();
+ shutdown_evil:
+#ifdef HAVE_EVIL
+   evil_shutdown();
+#endif
+
+   return --_evas_init_count;
+}
+
+EAPI int
+evas_shutdown(void)
+{
+   if (--_evas_init_count != 0)
+     return _evas_init_count;
+
+#ifdef EVAS_FRAME_QUEUING
+   if (evas_common_frameq_enabled())
+     {
+        evas_common_frameq_finish();
+        evas_common_frameq_destroy();
+     }
+#endif
+#ifdef BUILD_ASYNC_EVENTS
+   _evas_preload_thread_shutdown();
+#endif
+#ifdef EVAS_CSERVE
+   if (getenv("EVAS_CSERVE")) evas_cserve_shutdown();
+#endif
+#ifdef BUILD_ASYNC_EVENTS
+   evas_async_events_shutdown();
+#endif
+   evas_font_dir_cache_free();
+   evas_common_shutdown();
+   evas_module_shutdown();
+   eina_log_domain_unregister(_evas_log_dom_global);
+   eina_shutdown();
+#ifdef HAVE_EVIL
+   evil_shutdown();
+#endif
+
+   return _evas_init_count;
+}
+
+
+EAPI Evas *
+evas_new(void)
+{
+   Evas *e;
+
+   e = calloc(1, sizeof(Evas));
+   if (!e) return NULL;
+
+   e->magic = MAGIC_EVAS;
+   e->output.render_method = RENDER_METHOD_INVALID;
+   e->viewport.w = 1;
+   e->viewport.h = 1;
+   e->hinting = EVAS_FONT_HINTING_BYTECODE;
+   e->name_hash = eina_hash_string_superfast_new(NULL);
+   eina_clist_init(&e->calc_list);
+   eina_clist_init(&e->calc_done);
+
+#define EVAS_ARRAY_SET(E, Array)                \
+   eina_array_step_set(&E->Array, sizeof (E->Array), 4096);
+
+   EVAS_ARRAY_SET(e, delete_objects);
+   EVAS_ARRAY_SET(e, active_objects);
+   EVAS_ARRAY_SET(e, restack_objects);
+   EVAS_ARRAY_SET(e, render_objects);
+   EVAS_ARRAY_SET(e, pending_objects);
+   EVAS_ARRAY_SET(e, obscuring_objects);
+   EVAS_ARRAY_SET(e, temporary_objects);
+   EVAS_ARRAY_SET(e, calculate_objects);
+   EVAS_ARRAY_SET(e, clip_changes);
+
+#undef EVAS_ARRAY_SET
+
+   return e;
+}
+
+EAPI void
+evas_free(Evas *e)
+{
+   Eina_Rectangle *r;
+   Evas_Coord_Touch_Point *touch_point;
+   Evas_Layer *lay;
+   int i;
+   int del;
+
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+
+#ifdef EVAS_FRAME_QUEUING
+   evas_common_frameq_flush();
+#endif
+
+   if (e->walking_list == 0) evas_render_idle_flush(e);
+   
+   if (e->walking_list > 0) return;
+
+   if (e->callbacks)
+     {
+        if (e->callbacks->deletions_waiting) return;
+
+        e->callbacks->deletions_waiting = 0;
+        evas_event_callback_list_post_free(&e->callbacks->callbacks);
+        if (!e->callbacks->callbacks)
+          {
+             free(e->callbacks);
+             e->callbacks = NULL;
+          }
+
+        _evas_post_event_callback_free(e);
+     }
+   
+   del = 1;
+   e->walking_list++;
+   e->cleanup = 1;
+   while (del)
+     {
+        del = 0;
+        EINA_INLIST_FOREACH(e->layers, lay)
+          {
+             Evas_Object *o;
+
+             evas_layer_pre_free(lay);
+
+             EINA_INLIST_FOREACH(lay->objects, o)
+               {
+                  if ((o->callbacks) && (o->callbacks->walking_list))
+                    {
+                       /* Defer free */
+                       e->delete_me = 1;
+                       e->walking_list--;
+                       return;
+                    }
+                  if (!o->delete_me)
+                    del = 1;
+               }
+          }
+     }
+   EINA_INLIST_FOREACH(e->layers, lay)
+     evas_layer_free_objects(lay);
+   evas_layer_clean(e);
+
+   e->walking_list--;
+
+   evas_font_path_clear(e);
+   e->pointer.object.in = eina_list_free(e->pointer.object.in);
+
+   if (e->name_hash) eina_hash_free(e->name_hash);
+   e->name_hash = NULL;
+
+   EINA_LIST_FREE(e->damages, r)
+     eina_rectangle_free(r);
+   EINA_LIST_FREE(e->obscures, r)
+     eina_rectangle_free(r);
+
+   evas_fonts_zero_free(e);
+   
+   evas_event_callback_all_del(e);
+   evas_event_callback_cleanup(e);
+
+   if (e->engine.func)
+     {
+        e->engine.func->context_free(e->engine.data.output, e->engine.data.context);
+        e->engine.func->output_free(e->engine.data.output);
+        e->engine.func->info_free(e, e->engine.info);
+     }
+
+   for (i = 0; i < e->modifiers.mod.count; i++)
+     free(e->modifiers.mod.list[i]);
+   if (e->modifiers.mod.list) free(e->modifiers.mod.list);
+
+   for (i = 0; i < e->locks.lock.count; i++)
+     free(e->locks.lock.list[i]);
+   if (e->locks.lock.list) free(e->locks.lock.list);
+
+   if (e->engine.module) evas_module_unref(e->engine.module);
+
+   eina_array_flush(&e->delete_objects);
+   eina_array_flush(&e->active_objects);
+   eina_array_flush(&e->restack_objects);
+   eina_array_flush(&e->render_objects);
+   eina_array_flush(&e->pending_objects);
+   eina_array_flush(&e->obscuring_objects);
+   eina_array_flush(&e->temporary_objects);
+   eina_array_flush(&e->calculate_objects);
+   eina_array_flush(&e->clip_changes);
+
+   EINA_LIST_FREE(e->touch_points, touch_point)
+     free(touch_point);
+
+   e->magic = 0;
+   free(e);
+}
+
+EAPI void
+evas_output_method_set(Evas *e, int render_method)
+{
+   Evas_Module *em;
+
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+
+   /* if our engine to set it to is invalid - abort */
+   if (render_method == RENDER_METHOD_INVALID) return;
+   /* if the engine is already set up - abort */
+   if (e->output.render_method != RENDER_METHOD_INVALID) return;
+   /* Request the right engine. */
+   em = evas_module_engine_get(render_method);
+   if (!em) return ;
+   if (em->id_engine != render_method) return;
+   if (!evas_module_load(em)) return;
+
+   /* set the correct render */
+   e->output.render_method = render_method;
+   e->engine.func = (em->functions);
+   evas_module_use(em);
+   if (e->engine.module) evas_module_unref(e->engine.module);
+   e->engine.module = em;
+   evas_module_ref(em);
+   /* get the engine info struct */
+   if (e->engine.func->info) e->engine.info = e->engine.func->info(e);
+   return;
+}
+
+EAPI int
+evas_output_method_get(const Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return RENDER_METHOD_INVALID;
+   MAGIC_CHECK_END();
+
+   return e->output.render_method;
+}
+
+EAPI Evas_Engine_Info *
+evas_engine_info_get(const Evas *e)
+{
+   Evas_Engine_Info *info;
+
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return NULL;
+   MAGIC_CHECK_END();
+
+   if (!e->engine.info) return NULL;
+
+   info = e->engine.info;
+   ((Evas *)e)->engine.info_magic = info->magic;
+
+   return info;
+}
+
+EAPI Eina_Bool
+evas_engine_info_set(Evas *e, Evas_Engine_Info *info)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return EINA_FALSE;
+   MAGIC_CHECK_END();
+   if (!info) return EINA_FALSE;
+   if (info != e->engine.info) return EINA_FALSE;
+   if (info->magic != e->engine.info_magic) return EINA_FALSE;
+   return (Eina_Bool)e->engine.func->setup(e, info);
+}
+
+EAPI void
+evas_output_size_set(Evas *e, int w, int h)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+
+   if ((w == e->output.w) && (h == e->output.h)) return;
+   if (w < 1) w = 1;
+   if (h < 1) h = 1;
+
+#ifdef EVAS_FRAME_QUEUING
+   evas_common_frameq_flush();
+#endif
+
+   e->output.w = w;
+   e->output.h = h;
+   e->output.changed = 1;
+   e->output_validity++;
+   e->changed = 1;
+   evas_render_invalidate(e);
+}
+
+EAPI void
+evas_output_size_get(const Evas *e, int *w, int *h)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   if (w) *w = 0;
+   if (h) *h = 0;
+   return;
+   MAGIC_CHECK_END();
+
+   if (w) *w = e->output.w;
+   if (h) *h = e->output.h;
+}
+
+EAPI void
+evas_output_viewport_set(Evas *e, Evas_Coord x, Evas_Coord y, Evas_Coord w, Evas_Coord h)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+
+   if ((x == e->viewport.x) && (y == e->viewport.y) &&
+       (w == e->viewport.w) && (h == e->viewport.h)) return;
+   if (w <= 0) return;
+   if (h <= 0) return;
+   if ((x != 0) || (y != 0))
+     {
+        ERR("Compat error. viewport x,y != 0,0 not supported");
+        x = 0;
+        y = 0;
+     }
+   e->viewport.x = x;
+   e->viewport.y = y;
+   e->viewport.w = w;
+   e->viewport.h = h;
+   e->viewport.changed = 1;
+   e->output_validity++;
+   e->changed = 1;
+}
+
+EAPI void
+evas_output_viewport_get(const Evas *e, Evas_Coord *x, Evas_Coord *y, Evas_Coord *w, Evas_Coord *h)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   if (x) *x = 0;
+   if (y) *y = 0;
+   if (w) *w = 0;
+   if (h) *h = 0;
+   return;
+   MAGIC_CHECK_END();
+
+   if (x) *x = e->viewport.x;
+   if (y) *y = e->viewport.y;
+   if (w) *w = e->viewport.w;
+   if (h) *h = e->viewport.h;
+}
+
+EAPI Evas_Coord
+evas_coord_screen_x_to_world(const Evas *e, int x)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   if (e->output.w == e->viewport.w) return e->viewport.x + x;
+   return (long long)e->viewport.x + (((long long)x * (long long)e->viewport.w) / (long long)e->output.w);
+}
+
+EAPI Evas_Coord
+evas_coord_screen_y_to_world(const Evas *e, int y)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   if (e->output.h == e->viewport.h) return e->viewport.y + y;
+   return (long long)e->viewport.y + (((long long)y * (long long)e->viewport.h) / (long long)e->output.h);
+}
+
+EAPI int
+evas_coord_world_x_to_screen(const Evas *e, Evas_Coord x)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   if (e->output.w == e->viewport.w) return x - e->viewport.x;
+   return (int)((((long long)x - (long long)e->viewport.x) * (long long)e->output.w) /  (long long)e->viewport.w);
+}
+
+EAPI int
+evas_coord_world_y_to_screen(const Evas *e, Evas_Coord y)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   if (e->output.h == e->viewport.h) return y - e->viewport.y;
+   return (int)((((long long)y - (long long)e->viewport.y) * (long long)e->output.h) /  (long long)e->viewport.h);
+}
+
+EAPI int
+evas_render_method_lookup(const char *name)
+{
+   Evas_Module *em;
+
+   if (!name) return RENDER_METHOD_INVALID;
+   /* search on the engines list for the name */
+   em = evas_module_find_type(EVAS_MODULE_TYPE_ENGINE, name);
+   if (!em) return RENDER_METHOD_INVALID;
+
+   return em->id_engine;
+}
+
+EAPI Eina_List *
+evas_render_method_list(void)
+{
+   return evas_module_engine_list();
+}
+
+EAPI void
+evas_render_method_list_free(Eina_List *list)
+{
+   eina_list_free(list);
+}
+
+EAPI Eina_Bool
+evas_object_image_extension_can_load_get(const char *file)
+{
+   const char *tmp;
+   Eina_Bool result;
+
+   tmp = eina_stringshare_add(file);
+   result = evas_common_extension_can_load_get(tmp);
+   eina_stringshare_del(tmp);
+
+   return result;
+}
+
+EAPI Eina_Bool
+evas_object_image_extension_can_load_fast_get(const char *file)
+{
+   return evas_common_extension_can_load_get(file);
+}
+
+EAPI void
+evas_pointer_output_xy_get(const Evas *e, int *x, int *y)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   if (x) *x = 0;
+   if (y) *y = 0;
+   return;
+   MAGIC_CHECK_END();
+   if (x) *x = e->pointer.x;
+   if (y) *y = e->pointer.y;
+}
+
+EAPI void
+evas_pointer_canvas_xy_get(const Evas *e, Evas_Coord *x, Evas_Coord *y)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   if (x) *x = 0;
+   if (y) *y = 0;
+   return;
+   MAGIC_CHECK_END();
+   if (x) *x = e->pointer.x;
+   if (y) *y = e->pointer.y;
+}
+
+EAPI int
+evas_pointer_button_down_mask_get(const Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   return (int)e->pointer.button;
+}
+
+EAPI Eina_Bool
+evas_pointer_inside_get(const Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   return (int)e->pointer.inside;
+}
+
+EAPI void
+evas_data_attach_set(Evas *e, void *data)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+   e->attach_data = data;
+}
+
+EAPI void *
+evas_data_attach_get(const Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return NULL;
+   MAGIC_CHECK_END();
+   return e->attach_data;
+}
+
+EAPI void
+evas_focus_in(Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+   if (e->focus) return;
+   e->focus = 1;
+   evas_event_callback_call(e, EVAS_CALLBACK_CANVAS_FOCUS_IN, NULL);
+}
+
+EAPI void
+evas_focus_out(Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return;
+   MAGIC_CHECK_END();
+   if (!e->focus) return;
+   e->focus = 0;
+   evas_event_callback_call(e, EVAS_CALLBACK_CANVAS_FOCUS_OUT, NULL);
+}
+
+EAPI Eina_Bool
+evas_focus_state_get(const Evas *e)
+{
+   MAGIC_CHECK(e, Evas, MAGIC_EVAS);
+   return 0;
+   MAGIC_CHECK_END();
+   return e->focus;
+}
+
+EAPI void
+evas_nochange_push(Evas *e)
+{
+   e->nochange++;
+}
+
+EAPI void
+evas_nochange_pop(Evas *e)
+{
+   e->nochange--;
+}
+
+void
+_evas_walk(Evas *e)
+{
+   e->walking_list++;
+}
+
+void
+_evas_unwalk(Evas *e)
+{
+   e->walking_list--;
+   if ((e->walking_list == 0) && (e->delete_me)) evas_free(e);
+}
+
+EAPI const char *
+evas_load_error_str(Evas_Load_Error error)
+{
+   switch (error)
+     {
+      case EVAS_LOAD_ERROR_NONE:
+         return "No error on load";
+      case EVAS_LOAD_ERROR_GENERIC:
+         return "A non-specific error occurred";
+      case EVAS_LOAD_ERROR_DOES_NOT_EXIST:
+         return "File (or file path) does not exist";
+      case EVAS_LOAD_ERROR_PERMISSION_DENIED:
+         return "Permission deinied to an existing file (or path)";
+      case EVAS_LOAD_ERROR_RESOURCE_ALLOCATION_FAILED:
+         return "Allocation of resources failure prevented load";
+      case EVAS_LOAD_ERROR_CORRUPT_FILE:
+         return "File corrupt (but was detected as a known format)";
+      case EVAS_LOAD_ERROR_UNKNOWN_FORMAT:
+         return "File is not a known format";
+      default:
+         return "Unknown error";
+     }
+}
+
+EAPI void
+evas_color_hsv_to_rgb(float h, float s, float v, int *r, int *g, int *b)
+{
+   evas_common_convert_color_hsv_to_rgb(h, s, v, r, g, b);
+}
+
+EAPI void
+evas_color_rgb_to_hsv(int r, int g, int b, float *h, float *s, float *v)
+{
+   evas_common_convert_color_rgb_to_hsv(r, g, b, h, s, v);
+}
+
+EAPI void
+evas_color_argb_premul(int a, int *r, int *g, int *b)
+{
+   evas_common_convert_color_argb_premul(a, r, g, b);
+}
+
+EAPI void
+evas_color_argb_unpremul(int a, int *r, int *g, int *b)
+{
+   evas_common_convert_color_argb_unpremul(a, r, g, b);
+}
+
+EAPI void
+evas_data_argb_premul(unsigned int *data, unsigned int len)
+{
+   if (!data || (len < 1)) return;
+   evas_common_convert_argb_premul(data, len);
+}
+
+EAPI void
+evas_data_argb_unpremul(unsigned int *data, unsigned int len)
+{
+   if (!data || (len < 1)) return;
+   evas_common_convert_argb_unpremul(data, len);
+}