Re: [e-users] how to draw RGB565 image data ues EFL

[Carsten H. (T. R. <ra...@ra...>]

On Fri, 23 Jan 2015 20:06:07 +0800 (CST) bray <bra...@16...> said:

> Hi everyone:
> I have a picture data format as rgb565, i want to draw it by use evas.
> such as:
> evas = evas_object_image_filled_add(e);
> evas_object_image_data_update_add(evas, 0, 0, WIDTH, HEIGHT);
> evas_object_image_size_set(evas, WIDTH, HEIGHT);
>  
> evas_object_image_colorspace_set(evas,EVAS_COLORSPACE_RGB565_A5P);
> ↑ when i call this function, application exit.
> I don't know why!

it isn't actually supported as a format other than a now dead and removed 16bit
rendering engine when images were internally stored in this format.

so you can't use this format. you need to convert it to argb 32bit then set
that as the data.

> //evas_object_image_alpha_set(evas, 1);
> evas_object_image_data_set(evas, image_data_rgb565);
> evas_object_image_filled_set(evas, EINA_TRUE);
> evas_object_move(evas, 0, 0);
> evas_object_resize(evas, WIDTH, HEIGHT);
> evas_object_show(evas);
>  
> Does anyone konw how to draw a rgb565 data by using EFL or how to modify my
> source code? 
> EFL version: 1.9.0
>  
> Thanks,
> bray
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-- 
------------- Codito, ergo sum - "I code, therefore I am" --------------
The Rasterman (Carsten Haitzler)    ra...@ra...