SIL.CoreImpl.PalasoWritingSystemManager.get_RendererFromChrp C# (CSharp) Method

		public IRenderEngine get_RendererFromChrp(IVwGraphics vg, ref LgCharRenderProps chrp)
		{
			vg.SetupGraphics(ref chrp);
			return get_Renderer(chrp.ws, vg);
		}

        public void get_RendererFromChrp_Graphite()
        {
            using (GraphicsManager gm = new GraphicsManager(new Form()))
            {
                gm.Init(1.0f);
                try
                {
                    var wsManager = new PalasoWritingSystemManager();
                    // by default Graphite is disabled
                    IWritingSystem ws   = wsManager.Set("en-US");
                    var            chrp = new LgCharRenderProps {
                        ws = ws.Handle, szFaceName = new ushort[32]
                    };
                    MarshalEx.StringToUShort("Charis SIL", chrp.szFaceName);
                    IRenderEngine engine = wsManager.get_RendererFromChrp(gm.VwGraphics, ref chrp);
                    Assert.IsNotNull(engine);
                    Assert.AreSame(wsManager, engine.WritingSystemFactory);
                    Assert.IsInstanceOf(typeof(UniscribeEngine), engine);

                    ws.IsGraphiteEnabled = true;
                    engine = wsManager.get_RendererFromChrp(gm.VwGraphics, ref chrp);
                    Assert.IsNotNull(engine);
                    Assert.AreSame(wsManager, engine.WritingSystemFactory);
                    Assert.IsInstanceOf(typeof(FwGrEngine), engine);
                    wsManager.Save();
                }
                finally
                {
                    gm.Uninit();
                }
            }
        }