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## com.java4less.rchart.awt
Class ChartCanvas

    java.lang.Object
      |
      +--java.awt.Component
            |
            +--java.awt.Canvas
                  |
                  +--com.java4less.rchart.awt.ChartCanvas

All Implemented Interfaces:
  javax.accessibility.Accessible, ChartListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable

public class ChartCanvas
extends java.awt.Canvas
implements ChartListener

AWT Canvas that renders a chart. It also captures the mouse events and sends them to the Chart object. You will normally use the ChartViewer class instead of this canvas.

See Also:
  Serialized Form

Field Summary

Fields inherited from class java.awt.Component
`BOTTOM_ALIGNMENT, CENTER_ALIGNMENT, LEFT_ALIGNMENT, RIGHT_ALIGNMENT, TOP_ALIGNMENT`

Fields inherited from interface com.java4less.rchart.ChartListener
`EVENT_AFTER_UPDATE, EVENT_BEFORE_UPDATE, EVENT_ENTER_POINT, EVENT_LEAVE_POINT, EVENT_POINT_CLICKED, EVENT_TIP_UPDATE`

Fields inherited from interface java.awt.image.ImageObserver
`ABORT, ALLBITS, ERROR, FRAMEBITS, HEIGHT, PROPERTIES, SOMEBITS, WIDTH`

Constructor Summary
`ChartCanvas()` create canvas

Method Summary
`void` | `chartEvent(Chart c, int type)` chart listener
`Chart` | `getChart()` get chart to display
`void` | `paint(java.awt.Graphics g)`
`void` | `paintUserExit(Chart c, ChartGraphics g)` chart listener
`void` | `setChart(Chart c)` set chart to display

Methods inherited from class java.awt.Canvas
`addNotify, createBufferStrategy, createBufferStrategy, getAccessibleContext, getBufferStrategy, update`

Methods inherited from class java.awt.Component
`action, add, addComponentListener, addFocusListener, addHierarchyBoundsListener, addHierarchyListener, addInputMethodListener, addKeyListener, addMouseListener, addMouseMotionListener, addMouseWheelListener, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, bounds, checkImage, checkImage, contains, contains, createImage, createImage, createVolatileImage, createVolatileImage, deliverEvent, disable, dispatchEvent, doLayout, enable, enable, enableInputMethods, getAlignmentX, getAlignmentY, getBackground, getBounds, getBounds, getColorModel, getComponentAt, getComponentAt, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeys, getFocusTraversalKeysEnabled, getFont, getFontMetrics, getForeground, getGraphics, getGraphicsConfiguration, getHeight, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getListeners, getLocale, getLocation, getLocation, getLocationOnScreen, getMaximumSize, getMinimumSize, getMouseListeners, getMouseMotionListeners, getMouseWheelListeners, getName, getParent, getPeer, getPreferredSize, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getSize, getToolkit, getTreeLock, getWidth, getX, getY, gotFocus, handleEvent, hasFocus, hide, imageUpdate, inside, invalidate, isBackgroundSet, isCursorSet, isDisplayable, isDoubleBuffered, isEnabled, isFocusable, isFocusCycleRoot, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isOpaque, isShowing, isValid, isVisible, keyDown, keyUp, layout, list, list, list, list, list, locate, location, lostFocus, minimumSize, mouseDown, mouseDrag, mouseEnter, mouseExit, mouseMove, mouseUp, move, nextFocus, paintAll, postEvent, preferredSize, prepareImage, prepareImage, print, printAll, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removeNotify, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, repaint, requestFocus, requestFocusInWindow, reshape, resize, resize, setBackground, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setEnabled, setFocusable, setFocusTraversalKeys, setFocusTraversalKeysEnabled, setFont, setForeground, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, setVisible, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle, validate`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### ChartCanvas

    public ChartCanvas()

  create canvas

Method Detail

### getChart

    public Chart getChart()

  get chart to display

  Returns:

### setChart

    public void setChart(Chart c)

  set chart to display

  Parameters:
    `c` -

### paint

    public void paint(java.awt.Graphics g)

  Overrides:
    `paint` in class `java.awt.Canvas`

### paintUserExit

    public void paintUserExit(Chart c,
                              ChartGraphics g)

  chart listener

  Specified by:
    `paintUserExit` in interface `ChartListener`
  Parameters:
    `c` -
    `g` -

### chartEvent

    public void chartEvent(Chart c,
                           int type)

  chart listener

  Specified by:
    `chartEvent` in interface `ChartListener`
  Parameters:
    `c` -
    `type` -

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