Looking at some examples it looks like one can use special values for x and y such as "center".
Is there other such special values? Is that documented somewhere?
I recall trying things like "top" and that failed.
<label x="(dc.getWidth() / 2) + 60" y="(dc.getHeight() / 2) + 15" font="@Fonts.MyFont" text="Some text" color="Gfx.COLOR_WHITE" justification="Gfx.TEXT_JUSTIFY_CENTER|Gfx.TEXT_JUSTIFY_VCENTER"/>