Painting Classes

See also this introduction to the Qt coordinate system.

QGenericMatrix

Template class that represents a NxM transformation matrix with N columns and M rows

QMargins

Defines the four margins of a rectangle

QMarginsF

Defines the four margins of a rectangle

QRgba64

Struct contains a 64-bit RGB color

QStylePainter

Convenience class for drawing QStyle elements inside a widget