canvas
Class Line

java.lang.Object
  |
  +--java.awt.Component
        |
        +--java.awt.Container
              |
              +--javax.swing.JComponent
                    |
                    +--canvas.ShapeComponent
                          |
                          +--canvas.DropDragShapeComponent
                                |
                                +--canvas.Line

All Implemented Interfaces:

CanvasComponent, DragComponent, DragSourceListener, EventListener, ImageObserver, MenuContainer, RotatingCanvasComponent, Serializable, Transferable

public class Line

extends DropDragShapeComponent

Represents a Line that can be added to a DrawingPane.

See Also:

Serialized Form

Nested Class Summary

Nested classes inherited from class javax.swing.JComponent

JComponent.AccessibleJComponent

Nested classes inherited from class java.awt.Container

Container.AccessibleAWTContainer

Nested classes inherited from class java.awt.Component

Component.AccessibleAWTComponent, Component.BltBufferStrategy, Component.FlipBufferStrategy

Field Summary

Fields inherited from class canvas.ShapeComponent

debug, name

Fields inherited from class javax.swing.JComponent

accessibleContext, listenerList, TOOL_TIP_TEXT_KEY, ui, UNDEFINED_CONDITION, WHEN_ANCESTOR_OF_FOCUSED_COMPONENT, WHEN_FOCUSED, WHEN_IN_FOCUSED_WINDOW

Fields inherited from class java.awt.Component

BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT

Fields inherited from interface java.awt.image.ImageObserver

ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH

Constructor Summary

Line(double x1, double y1, double x2, double y2)
Creates a Line from (x1, y1) to (x2, y2).

Line(double x1, double y1, double x2, double y2, Color c)
Creates a colored Line from (x1, y1) to (x2, y2).

Line(double x1, double y1, double x2, double y2, Color c, canvas.DrawingGrid dg)
Creates a colord Line from DrawingGrid coordinates (x1, y1) to (x2, y2).

Line(double x1, double y1, double x2, double y2, canvas.DrawingGrid dg)
Creates a Line from DrawingGrid coordinates (x1, y1) to (x2, y2).

Method Summary

double	getSlope() Returns the slope of this line.
void	moveTo(double x1, double y1, canvas.DrawingGrid dg) Moves the starting point of the line to the DrawingGrid coordinate (x1, y1).
void	setColor(Color color) Sets the color of the line
void	smoothMove(double x1, double y1, int milliseconds, canvas.DrawingGrid dg) Smooth moves the starting point of the line to the DrawingGrid coordinate (x1, y1).

Methods inherited from class canvas.DropDragShapeComponent

acceptDrop, addDragListener, addKeyboardListener, addMouseListener, dragDropEnd, dragEnter, dragExit, dragOver, dropActionChanged, getTransferData, getTransferDataFlavors, isDataFlavorSupported, manufactureDroppable, okToDrag, removeDragListener, removeKeyboardListener, removeMouseListener, resetBorder, setInvolvedInDrop, setListener

Methods inherited from class canvas.ShapeComponent

displace, displace, getDrawingPane, getFilled, getPreferredSize, getShape, getShapeHeight, getShapeWidth, getShapeX, getShapeY, moveTo, paint, redraw, resizeTo, resizeTo, rotate, rotateAbout, rotateAbout, setDebug, setFeedbackText, setFilled, smoothDisplace, smoothDisplace, smoothMove, smoothResize, smoothResize, smoothRotate, smoothRotateAbout, smoothRotateAbout, toString

Methods inherited from class javax.swing.JComponent

addAncestorListener, addNotify, addPropertyChangeListener, addPropertyChangeListener, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getAccessibleContext, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBorder, getBounds, getClientProperty, getComponentGraphics, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getGraphics, getHeight, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPropertyChangeListeners, getPropertyChangeListeners, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getUIClassID, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isMaximumSizeSet, isMinimumSizeSet, isOpaque, isOptimizedDrawingEnabled, isPaintingTile, isPreferredSizeSet, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, paramString, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFont, setForeground, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update, updateUI

Methods inherited from class java.awt.Container

add, add, add, add, add, addContainerListener, addImpl, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setFocusCycleRoot, setFocusTraversalKeys, setFocusTraversalPolicy, setLayout, transferFocusBackward, transferFocusDownCycle, validate, validateTree

Methods inherited from class java.awt.Component

action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, bounds, checkImage, checkImage, coalesceEvents, contains, createImage, createImage, createVolatileImage, createVolatileImage, disableEvents, dispatchEvent, enable, enableEvents, enableInputMethods, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isShowing, isValid, isVisible, keyDown, keyUp, list, list, list, location, lostFocus, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, prepareImage, prepareImage, processComponentEvent, processFocusEvent, processHierarchyBoundsEvent, processHierarchyEvent, processInputMethodEvent, processMouseEvent, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, transferFocus, transferFocusUpCycle

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface canvas.DragComponent

setBorder

Methods inherited from interface canvas.CanvasComponent

getHeight, getWidth

Constructor Detail

Line

public Line(double x1,
            double y1,
            double x2,
            double y2)

Creates a Line from (x1, y1) to (x2, y2).

Line

public Line(double x1,
            double y1,
            double x2,
            double y2,
            canvas.DrawingGrid dg)

Creates a Line from DrawingGrid coordinates (x1, y1) to (x2, y2).

Line

public Line(double x1,
            double y1,
            double x2,
            double y2,
            Color c)

Creates a colored Line from (x1, y1) to (x2, y2).

Line

public Line(double x1,
            double y1,
            double x2,
            double y2,
            Color c,
            canvas.DrawingGrid dg)

Creates a colord Line from DrawingGrid coordinates (x1, y1) to (x2, y2).

Method Detail

moveTo

public void moveTo(double x1,
                   double y1,
                   canvas.DrawingGrid dg)

Moves the starting point of the line to the DrawingGrid coordinate (x1, y1).

Overrides:

moveTo in class ShapeComponent

smoothMove

public void smoothMove(double x1,
                       double y1,
                       int milliseconds,
                       canvas.DrawingGrid dg)

Smooth moves the starting point of the line to the DrawingGrid coordinate (x1, y1).

Overrides:

smoothMove in class ShapeComponent

getSlope

public double getSlope()

Returns the slope of this line.

setColor

public void setColor(Color color)

Sets the color of the line