Exception in thread "AWT-EventQueue-0" org.valid4j.errors.RequireViolation: Rendered rectangle height must be positive
at org.valid4j.impl.RequireViolationPolicy.handleViolation(RequireViolationPolicy.java:19)
at org.valid4j.impl.CheckingPolicy.check(CheckingPolicy.java:25)
at org.valid4j.Assertive.require(Assertive.java:150)
at com.io7m.jsycamore.core.renderer.SyEmbossed.rectangle(SyEmbossed.java:83)
It triggers an assertion failure: