hello hao,
following code frame mybe will help you:
osg::Image* p_image ;
p_image= your image adress;
int width = p_image->s();
int height = p_image->t();
int totalbytes = width * height * 4;
// Directly copy osg image buffer to your memptr;
memptr= your allocated memory
memcpy( memptr, p_image->data(), totalbytes );
do some image data related deal with
then
memcpy( p_image->data(), memptr, totalbytes );
p_image->dirty();
cheers
Learned osg six months
2014-06-27 20:09 GMT+08:00 Hao Wang <[email protected]>:
> Hi,
>
> I use the Render to texture method to get a float image, then I need to
> process the image to make the data is in the range of 0-255, after that I
> want to display the image. But I don't know how to handle it,is there
> anyone know how do it? Thank you.
> Thank you!
>
> Cheers,
> Hao
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=59983#59983
>
>
>
>
>
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