Package jwo.utils

Utility classes for GUI building and other general tasks.

See:
Description

Interface Summary

JWDialogueListener

Interface for objects that need to be updated when a non-modal dialogue is closed.

Class Summary

JWAxisItem	Object to hold graph axis information.
JWBrowser	Displays a given URL in the system browser.
JWBrowserControl
JWButton	Button that accepts return key as a non-mouse equivalent to selection.
JWCanvas	Simple canvas component that redraws itself when it is resized.
JWColourRing	Creates a colour ring for displaying HSV colour space.
JWColourSelect	Creates a graphic colour selector.
JWComplex	Simple class to store complex numbers
JWDialogue	Abstract class to use as basis for dialogue windows.
JWDivider	Creates a simple centred '3D' dividing line.
JWExpressionParser	Allows a mathematical expression to be parsed and evaluated.
JWFastFourierTransform	Calculates the Fast Fourier or Inverse Fast Fourier transforms of an array of discrete real or complex numbers respectively.
JWFrame	Abstract class to use as basis for simple non-modal windows.
JWGraph	Simple graph object.
JWGraphItem	Skeleton for a graphical object to be added to Graph.
JWImageQuant	Class to quantize an RGB image into fewer colours.
JWInputBox	Class to create a simple input box for capturing one line keyboard input.
JWLabel	Label with user-defined borders for compact text.
JWLUDecomp	Class for finding the solution of a set of linear algrbraic equations via LU decomposition.
JWMatrix	Class containing Matrix processing operations.
JWMonologue	Abstract class to use as basis for simple monologue windows.
JWPanel	Creates panel with '3D' borders.
JWPicture	Class for displaying a graphics file on a canvas.
JWRectangle	Class for storing a rectangle with floating point coordinates.
JWRubberband	Draws a rubberband box for interactive selection of rectangular regions with the mouse.
JWSlider	Creates a slider bar whose value can be changed moving the bar.
JWYesNo	Creates a dialogue that requres a Yes or No response to quit.
KeyboardInput	Class to handle keyboard input.

Package jwo.utils Description

Utility classes for GUI building and other general tasks. Many of the LandSerf classes are inherited from these, but they may also be used with other applications.

All code copyright Jo Wood, 1996-2002. No code or documentation may be copied or distributed without the permission of the author.