transforms(3U)						    InterViews Reference Manual 					    transforms(3U)

NAME

       MoveCmd, RotateCmd, ScaleCmd - coordinate transformation commands

SYNOPSIS

       #include <Unidraw/Commands/transforms.h>

DESCRIPTION

       The Unidraw library predefines three purely interpretive commands for performing coordinate transformations: MoveCmd defines a translation,
       RotateCmd defines a rotation, and ScaleCmd defines a two-dimensional scaling.

MOVECMD PUBLIC OPERATIONS

       MoveCmd(ControlInfo*, float dx = 0, float dy = 0)
       MoveCmd(Editor* = nil, float = 0, float = 0)
	      Construct a new MoveCmd, specifying the translation distances in the horizontal (dx) and vertical (dy) dimensions.

       void GetMovement(float&, float&)
	      Return the translation distances specified in the constructor.

ROTATECMD PUBLIC OPERATIONS

       RotateCmd(ControlInfo*, float = 0)
       RotateCmd(Editor* = nil, float = 0)
	      Construct a new RotateCmd, specifying the rotation angle in degrees.

       float GetRotation()
	      Return the rotation angle specified in the constructor.

SCALECMD PUBLIC OPERATIONS

       ScaleCmd(
	   ControlInfo*, float sx = 1, float sy = 1, Alignment = Center
       )

       ScaleCmd(Editor* = nil, float = 1, float = 1, Alignment = Center)
	      Construct a new ScaleCmd, specifying the scaling factors in the horizontal (sx) and vertical (sy) dimensions and an  alignment  sug-
	      gesting the point about which the component should be scaled.

       void GetScaleing(float&, float&)
       Alignment GetAlignment()
	      Return the scaling factors and alignment specified in the constructor.

SEE ALSO

       Command(3U)

Unidraw 							  24 January 1991						    transforms(3U)