~~Title: Efl.Gfx.Buffer.buffer_update_add~~
====== Efl.Gfx.Buffer.buffer_update_add ======


===== Description =====

%%Mark a sub-region of the given image object to be redrawn.%%

%%This function schedules a particular rectangular region of an image object to be updated (redrawn) at the next rendering cycle.%%
{{page>:develop:api-include:efl:gfx:buffer:method:buffer_update_add:description&nouser&nolink&nodate}}

===== Signature =====

<code>
buffer_update_add @pure_virtual {
    params {
        @in region: ptr(const(Eina.Rect)) @optional;
    }
}
</code>

===== C signature =====

<code c>
void efl_gfx_buffer_update_add(Eo *obj, const Eina_Rect *region);
</code>

===== Parameters =====

  * **region** //(in)// - %%The updated region.%%

===== Implemented by =====

  * [[:develop:api:efl:gfx:buffer:method:buffer_update_add|Efl.Gfx.Buffer.buffer_update_add]]
  * [[:develop:api:efl:canvas:image_internal:method:buffer_update_add|Efl.Canvas.Image_Internal.buffer_update_add]]