---------- Initial Header -----------
>From : [EMAIL PROTECTED]
To : "users" [email protected]
Cc :
Date : Mon, 13 Feb 2006 08:38:31 -0600
Subject : Re: [Opensg-users] SimpleStatisticsForeground:how to move text?
Hi Dirk,
>
> Hi Antonio,
>
> On Mon, 2006-02-13 at 00:12 +0100, antonio_lioy wrote:
> >
> > Hi Dirk, thanks for your help :-)
> > I need to write some information (like the name of the program, the
> > name of the loaded model ecc...) in one of the walls of my cave. This
> > text must be indipendent of camera and world translations. That's why
> > I would like to use SSF, but if I can't move text, I have to find
> > another way to solve the problem.
>
> You can write the text into an Image (see testTextPixmap.cpp for an
> example) and use that texture with a PolygonForeground to display it.
> That allows you to put it anywhere.
>
This is a good idea, but there is a problem. Using testTextPixmap I obtained an
ImagePtr of the text I wanna draw:
ImagePtr imagePtr = face->makeImage(layoutResult, offset);
then I set the foreground:
ImageForegroundPtr imp = ImageForeground::create( );
beginEditCP(imp);
//NOTE: the position values are between 0 and 1
//and are relative to the viewport!
ImagePtr imagePtr = oText->getImage();
imp->addImage( imagePtr, Pnt2f(0.1,0) );
endEditCP(imp);
viewport->getMFForegrounds()->push_back(imp);
But, when I start my program no text is drawn and this error occurs:
WARNING: Window:frameExit: Caught stry OpenGL error not valid enumerator
(0x500).
Someone can help me? Loading a png as ImagePtr the program works fine, but not
with the ImagePtr obtained by TextPixmapFace.
Thanks :-)
>
> P.S.: Patrick, the testTextPixmap.cpp gives me some weird results on my
> box, the text seems to be much bigger than the displayed texture. Cna
> you check that and verify it for you? Thanks!
>
>
>
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