To answer to Benjamin: Actually, I'm using a script which opens fb0 using an executable called "stgfb_control". This executable has as mandatory parameter the global alpha...
On Fri, Oct 8, 2010 at 9:35 PM, Defnet, Benjamin R < benjamin.r.def...@intel.com> wrote: > Is there a reason you need a global alpha value? > > > > *From:* Wejdene SMIDA [mailto:smid...@gmail.com] > *Sent:* Friday, October 08, 2010 10:44 AM > *To:* Defnet, Benjamin R > *Subject:* Re: [directfb-users] changing background opacity > > > > Thank you Haithem and Benjamin for your answers. > > To Haithem: yes, i tryed bg-none but i got a black screen > (instead of a transparent one) and i think it is due to the global > alpha value which i set in the beginning (when opening fb0 using > stgfb_control alpha=128 meaning full opacity). > > To benjamin: Please correct me if i'm wrong, i tryed doing this > using fbset -rgba option, but nothing changed, I think this is what > you've suggested... > > My main issue is that global alpha value which i think dominates > the "relative ones" so that i can not change the background alpha... > > Thanks again :) > > -- > Wejden > > On Fri, Oct 8, 2010 at 5:38 PM, Defnet, Benjamin R < > benjamin.r.def...@intel.com> wrote: > > You can set the background color alpha to transparent for your display > layer using > > > > IDirectFBDisplayLayer-> > *SetBackgroundColor*<http://www.directfb.org/docs/DirectFB_Reference_1_4/IDirectFBDisplayLayer_SetBackgroundColor.html>(r, > g, b, a) > > > > > > *From:* directfb-users-boun...@directfb.org [mailto: > directfb-users-boun...@directfb.org] *On Behalf Of *Wejdene SMIDA > *Sent:* Friday, October 08, 2010 6:48 AM > *To:* directfb-users@directfb.org > *Subject:* [directfb-users] changing background opacity > > > > Hi everybody, > > I'm too new with directFB, I'm using the 1.4.3 version cross-compiled > for the STB5202 platform. > This is the scenario: > I'm displaying a video using ST application on the first layer, and my > purpose it to show a small browser window over the video so that we > can see both of the video and the browser. > The problem I'm facing is the transparency: when the global alpha > value is set to be full opaque, the video can not be displayed anymore > (it's hidden), and when I decrease the alpha value I can see both the > video and the browser but the browser window is not opaque (it takes > naturally in consideration the global alpha value) > My question: Is there any way to change the background opacity so that > it can be transparent (in order to display the video)? > > Thanks in advance, > -- > Wejden > > >
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