Axiom.Fonts.Font.load C# (CSharp) Method

		protected override void load()
		{
			// clarabie - nov 18, 2008
			// modified this to check for an existing material instead of always
			// creating a new one. Allows more flexibility, but also specifically allows us to
			// solve the problem of XNA not having fixed function support

			_material = (Material)MaterialManager.Instance.GetByName( "Fonts/" + _name );

			if ( _material == null )
			{

				// create a material for this font
				_material = (Material)MaterialManager.Instance.Create( "Fonts/" + _name, Group );

				TextureUnitState unitState = null;
				bool blendByAlpha = false;

				if ( _fontType == FontType.TrueType )
				{
#if !( XBOX || XBOX360 )
					// create the font bitmap on the fly
					createTexture();

					// a texture layer was added in CreateTexture
					unitState = _material.GetTechnique( 0 ).GetPass( 0 ).GetTextureUnitState( 0 );

					blendByAlpha = true;
#endif
				}
				else
				{
					// load this texture
					// TODO In general, modify any methods like this that throw their own exception rather than returning null, so the caller can decide how to handle a missing resource.
					_texture = TextureManager.Instance.Load( Source, Group, TextureType.TwoD, 0 );

					blendByAlpha = texture.HasAlpha;
					// pre-created font images
					unitState = Material.GetTechnique( 0 ).GetPass( 0 ).CreateTextureUnitState( Source );
				}

				// set texture addressing mode to Clamp to eliminate fuzzy edges
                if ( unitState != null )
                    unitState.SetTextureAddressingMode( TextureAddressing.Clamp );

				// set up blending mode
				if ( blendByAlpha )
				{
					_material.SetSceneBlending( SceneBlendType.TransparentAlpha );
				}
				else
				{
					// assume black background here
					_material.SetSceneBlending( SceneBlendType.Add );
				}
			}
		}