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