X11PCDLDisplayList.h

Classes

X11PCDLDisplayList -- Class to store heirarchies of X11PixelCanvas display list objects. (full description)

class X11PCDLDisplayList : public X11PCDisplayListObject

Interface

Public Members

X11PCDLDisplayList()

X11PCDLDisplayList(PixelCanvas * pc, uInt listId)

virtual void translate(Int xt, Int yt)

virtual void draw(::XDisplay * display, Drawable d, GC gc, Int xt, Int yt)

virtual Char optType() const

virtual ~X11PCDLDisplayList()

Description

Prerequisite

Understanding of X11PixelCanvas caching mechanism

Etymology

X11PCDLDisplayList : X11PixelCanvas Display List - Execute Display List object.

Synopsis

This class is designed for use with the X11PixelCanvas' caching mechanism.

It stores a reference to a display list. Execution of the object causes the display list to be drawn. In this way hierarchical scenes may be constructed.

Motivation

Needed to be able to put all output graphics commands in a display list for fast and convenient handling.

Member Description