Evas_Object_Image_Alpha (3) - Linux Manuals
Evas_Object_Image_Alpha: Functions that change the alpha of an image object.
NAME
Image Object Image Alpha Functions - Functions that change the alpha of an image object.
Functions
EAPI void evas_object_image_alpha_set (Evas_Object *obj, Evas_Bool has_alpha)
Enable or disable alpha channel of the given image object.
EAPI Evas_Bool evas_object_image_alpha_get (const Evas_Object *obj)
Retrieves the alpha channel setting of the given image object.
Detailed Description
Functions that change the alpha of an image object.
Function Documentation
EAPI Evas_Bool evas_object_image_alpha_get (const Evas_Object * obj)
Retrieves the alpha channel setting of the given image object.
This function returns 1 if the image object's alpha channel is being used, or 0 otherwise.
See evas_object_image_alpha_set for more details.
Parameters:
- obj The given image object.
Returns:
- Whether the alpha channel data is being used.
EAPI void evas_object_image_alpha_set (Evas_Object * obj, Evas_Bool has_alpha)
Enable or disable alpha channel of the given image object.
This function sets a flag on an image object indicating whether or not to use alpha channel data. A value of 1 indicates to use alpha channel data, and 0 indicates to ignore any alpha channel data. Note that this has nothing to do with an object's color as manipulated by evas_object_color_set().
Parameters:
-
obj The given image object.
has_alpha Whether to use alpha channel data or not.
References evas_object_image_data_update_add().
Author
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