XnaDevice SetModelViewProjectionMatrixFor2D Method Delta Engine Documentation
The -0.5 pixel offset is needed in DirectX 9 to correctly match the texture coordinates: http://msdn.microsoft.com/en-us/library/windows/desktop/bb219690(v=vs.85).aspx

Namespace: DeltaEngine.Graphics.Xna
Assembly: DeltaEngine.Graphics.Xna (in DeltaEngine.Graphics.Xna.dll) Version: 1.1.1.0 (1.1.1)
Syntax

public override void SetModelViewProjectionMatrixFor2D()
See Also