All Manuals > LispWorks Release Notes and Installation Guide > 13 Release Notes > 13.5 New graphics ports features > 13.5.1 Quality drawing

NextPrevUpTopContentsIndex Querying the drawing mode

The new function gp:port-drawing-mode-quality-p tests whether a port does :quality drawing.

A graphics port does quality drawing if it was not made with drawing-mode :compatible , and the underlying library supports this. Microsoft Windows and Cocoa always support it, GTK+ supports it from version 2.8 onwards, and Motif never supports it.

gp:port-drawing-mode-quality-p is used in this example:


LispWorks Release Notes and Installation Guide - 23 Dec 2011