Go Graphics
Go Graphics - 2D rendering in Go with a simple API
...Use 1 to right or bottom align. DrawStringAnchored does the same for text, so you don't need to call MeasureString yourself. gg supports linear, radial and conic gradients and surface patterns. You can also implement your own patterns. It is often desired to rotate or scale about a point that is not the origin. The functions RotateAbout, ScaleAbout, ShearAbout are provided as a convenience.