|
|
On 16 Mar 2008, at 22:31, Zoltan Phelps wrote:
> I searched the forum but didn't find any suitable thread.
> In my application i would like to show two images, one "original"
> version and one "altered" version (e.g. after LUT conversion).
> My question is - how can i access the pixel data of an Fl_RGB_Image
> directly? The source code reveals only the "const char * const *data
> ();" member function but as it is constant i'm not able to change
> anything. Is there another suitable way? Or is it better to just
> keep an unsigned char array with the pixel data, change it as
> desired and redraw it with the fl_draw_image function without
> creating any Fl_()_Image object? I'm a bit confused because with
> different libraries i used to create an image object and to alter
> its pixel data there had always been an access member function.
> Thanks in advance!
http://www.fltk.org/articles.php?L466
http://www.fltk.org/articles.php?L468
[ Direct Link to Message ] | |
|
| |