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api for image content hint - nothing uses it yet, but... it will. and does 

nothing right now... but that will be able to change. it opens up better
optimisation paths in future.



SVN revision: 46922
This commit is contained in:
Carsten Haitzler 2010-03-07 04:19:17 +00:00
parent 73a9612f2c
commit 10da9b00a3
2 changed files with 58 additions and 1 deletions
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9
legacy/evas/src/lib/Evas.h
View File

@ -532,6 +532,13 @@ typedef enum _Evas_Image_Scale_Hint
EVAS_IMAGE_SCALE_HINT_STATIC = 2
} Evas_Image_Scale_Hint;
typedef enum _Evas_Image_Content_Hint
{
EVAS_IMAGE_CONTENT_HINT_NONE = 0,
EVAS_IMAGE_CONTENT_HINT_DYNAMIC = 1,
EVAS_IMAGE_CONTENT_HINT_STATIC = 2
} Evas_Image_Content_Hint;
struct _Evas_Engine_Info /** Generic engine information. Generic info is useless */
{
int magic; /**< Magic number */
@ -895,6 +902,8 @@ extern "C" {
EAPI Evas_Native_Surface *evas_object_image_native_surface_get (const Evas_Object *obj) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1) EINA_PURE;
EAPI void evas_object_image_scale_hint_set (Evas_Object *obj, Evas_Image_Scale_Hint hint) EINA_ARG_NONNULL(1);
EAPI Evas_Image_Scale_Hint evas_object_image_scale_hint_get (const Evas_Object *obj) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1) EINA_PURE;
EAPI void evas_object_image_content_hint_set (Evas_Object *obj, Evas_Image_Content_Hint hint) EINA_ARG_NONNULL(1);
EAPI Evas_Image_Content_Hint evas_object_image_content_hint_get (const Evas_Object *obj) EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1) EINA_PURE;
/* image cache */
EAPI void evas_image_cache_flush (Evas *e) EINA_ARG_NONNULL(1);

50
legacy/evas/src/lib/canvas/evas_object_image.c
View File

@ -57,7 +57,8 @@ struct _Evas_Object_Image
void *get_pixels_data;
} func;
Evas_Image_Scale_Hint scale_hint;
Evas_Image_Scale_Hint scale_hint;
Evas_Image_Content_Hint content_hint;
void *engine_data;
@ -2022,6 +2023,53 @@ evas_object_image_scale_hint_get(const Evas_Object *obj)
return o->scale_hint;
}
/**
* Set the content hint of a given image of the canvas.
*
* @param obj The given canvas pointer.
* @param hint The content hint value.
*
* This function sets the content hint value of the given image of the canvas.
*
*/
EAPI void
evas_object_image_content_hint_set(Evas_Object *obj, Evas_Image_Content_Hint hint)
{
Evas_Object_Image *o;
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return;
MAGIC_CHECK_END();
o = (Evas_Object_Image *)(obj->object_data);
MAGIC_CHECK(o, Evas_Object_Image, MAGIC_OBJ_IMAGE);
return;
MAGIC_CHECK_END();
o->content_hint = hint;
}
/**
* Get the content hint of a given image of the canvas.
*
* @param obj The given canvas pointer.
*
* This function returns the content hint value of the given image of the canvas.
*
*/
EAPI Evas_Image_Content_Hint
evas_object_image_content_hint_get(const Evas_Object *obj)
{
Evas_Object_Image *o;
MAGIC_CHECK(obj, Evas_Object, MAGIC_OBJ);
return EVAS_IMAGE_CONTENT_HINT_NONE;
MAGIC_CHECK_END();
o = (Evas_Object_Image *)(obj->object_data);
MAGIC_CHECK(o, Evas_Object_Image, MAGIC_OBJ_IMAGE);
return EVAS_IMAGE_CONTENT_HINT_NONE;
MAGIC_CHECK_END();
return o->content_hint;
}
/**
* Flush the image cache of the canvas.
*