By creating deleted methods for the wrong calls. Avoids the compiler needing to construct a temporary Change-Id: I3b8c648d6bb22d22827bf74f21ea5a2a17fc0f6a Reviewed-on: https://gerrit.libreoffice.org/72103 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
The Impress slideshow engine == 3D transitions == The 3D transitions are slideshow transition engine using OpenGL and are located in slideshow/source/engine/OGLTrans/. They were initially written by GSOC student Shane.M.Mathews. Radek has later polished the code a bit, added few new 3D transitions, added infrastructure for vertex and fragment shaders. Wrote few transitions with fragment shader too.