Hi Dan, I finally had a chance to look at the your example. It works the same under 3.6 branch and 3.4 branch for me, I don't ever see any issues with the texture become skewed regardless of the size of the window.
Robert. On 7 May 2018 at 12:15, Daniel Emminizer, Code 5773 <[email protected]> wrote: > Hi Robert, > > Attached is an osgtext.cpp that demonstrates the problem I'm seeing in our > application with text in SCREEN_COORDS scaling improperly. > > In this particular app, we're using a FIXED projection matrix mapping (-1,-1) > to the lower-left corner, and (+1,+1) to the upper-right corner (ortho 2D). > We have a layout system in this application that uses matrix transforms to > position items in the layout. > > In this section, the text is nested in two matrix transforms. These > transforms update values as a result of window resizes. I omitted this code > because it did not seem particularly relevant, and it is not required to > reproduce the behavior. I got the current values for both matrices by saving > the scene to an .osg file and extracting the subgraph. > > What you're seeing in this app is 4 text labels that form the text part of a > 2D "compass", serving as a set of labels for a plot's X-axis. Obviously this > is just a subset of the whole scene. > > > When you resize the window with 3.6.1-rc2, you'll notice that the text skews > significantly. If you run the same app in OSG 3.4.1, the text looks correct > regardless of window size. > > Side discovery -- setting the backdrop had a weird impact on text placement. > Not entirely sure that I understand why. It doesn't really impact us in our > application, but I thought I'd mention it just in case it's important. > > - Dan > > > _______________________________________________ > osg-users mailing list > [email protected] > http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org > _______________________________________________ osg-users mailing list [email protected] http://lists.openscenegraph.org/listinfo.cgi/osg-users-openscenegraph.org
