Re: [AD] Another custom cursor question

[Peter Wang <novalazy@xxxxxxxxxx>]

On 2008-09-14, Evert Glebbeek <eglebbk@xxxxxxxxxx> wrote:
> While going through the code used by the other ports to set up the  
> custom cursor, I came across this in the X11 port:
> 
>     for (iy = 0; iy < bmp_h; iy++) {
>        for (ix = 0; ix < bmp_w; ix++) {
>           ALLEGRO_COLOR col;
>           unsigned char r, g, b, a;
> 
>           col = al_get_pixel(bmp, ix, iy);
>           al_unmap_rgb(col, &r, &g, &b);
>           a = 255;
>           image->pixels[c++] = (a<<24) | (r<<16) | (g<<8) | (b);
>        }
>     }
> 
> The alpha cahnnel from the source bitmap is completely unused, which  
> doesn't look right to me.

Probably an oversight.  It would be good to make ex_mouse_cursor use a
sprite with an alpha channel.

Peter