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## com.sun.pdfview
Class PagePanel

    java.lang.Object
      java.awt.Component
          java.awt.Container
              javax.swing.JComponent
                  javax.swing.JPanel
                      com.sun.pdfview.PagePanel

All Implemented Interfaces:
  java.awt.event.MouseListener, java.awt.event.MouseMotionListener, java.awt.image.ImageObserver, java.awt.MenuContainer, java.io.Serializable, java.util.EventListener, javax.accessibility.Accessible

    public class PagePanel

extends javax.swing.JPanel
implements java.awt.image.ImageObserver, java.awt.event.MouseListener, java.awt.event.MouseMotionListener

A Swing-based panel that displays a PDF page image. If the zoom tool is in use, allows the user to select a particular region of the image to be zoomed.

See Also:
  Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class javax.swing.JPanel
`javax.swing.JPanel.AccessibleJPanel`

Nested classes/interfaces inherited from class javax.swing.JComponent
`javax.swing.JComponent.AccessibleJComponent`

Nested classes/interfaces inherited from class java.awt.Container
`java.awt.Container.AccessibleAWTContainer`

Nested classes/interfaces inherited from class java.awt.Component
`java.awt.Component.AccessibleAWTComponent, java.awt.Component.BaselineResizeBehavior, java.awt.Component.BltBufferStrategy, java.awt.Component.FlipBufferStrategy`

Field Summary

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
`PagePanel()` Create a new PagePanel, with a default size of 800 by 600 pixels.

Method Summary
`void` | `flush()` Deprecated.
`java.awt.geom.Rectangle2D` | `getCurClip()` Gets the clipping rectangle in page space currently being displayed
`java.awt.Dimension` | `getCurSize()` Gets the size of the image currently being displayed
`PDFPage` | `getPage()` Gets the page currently being displayed
`boolean` | `imageUpdate(java.awt.Image img, int infoflags, int x, int y, int width, int height)` Handles notification of the fact that some part of the image changed.
`void` | `mouseClicked(java.awt.event.MouseEvent evt)`
`void` | `mouseDragged(java.awt.event.MouseEvent evt)` Handles a mouseDragged event.
`void` | `mouseEntered(java.awt.event.MouseEvent evt)`
`void` | `mouseExited(java.awt.event.MouseEvent evt)`
`void` | `mouseMoved(java.awt.event.MouseEvent evt)`
`void` | `mousePressed(java.awt.event.MouseEvent evt)` Handles a mousePressed event
`void` | `mouseReleased(java.awt.event.MouseEvent evt)` Handles a mouseReleased event.
`void` | `paint(java.awt.Graphics g)` Draw the image.
`void` | `setClip(java.awt.geom.Rectangle2D clip)` Set the desired clipping region (in screen coordinates), and redraw the image.
`void` | `showPage(PDFPage page)` Stop the generation of any previous page, and draw the new one.
`void` | `useZoomTool(boolean use)` Turns the zoom tool on or off.
`void` | `waitForCurrentPage()` Waits until the page is either complete or had an error.

Methods inherited from class javax.swing.JPanel
`getAccessibleContext, getUI, getUIClassID, paramString, setUI, updateUI`

Methods inherited from class javax.swing.JComponent
`addAncestorListener, addNotify, addVetoableChangeListener, computeVisibleRect, contains, createToolTip, disable, enable, firePropertyChange, firePropertyChange, firePropertyChange, fireVetoableChange, getActionForKeyStroke, getActionMap, getAlignmentX, getAlignmentY, getAncestorListeners, getAutoscrolls, getBaseline, getBaselineResizeBehavior, getBorder, getBounds, getClientProperty, getComponentGraphics, getComponentPopupMenu, getConditionForKeyStroke, getDebugGraphicsOptions, getDefaultLocale, getFontMetrics, getGraphics, getHeight, getInheritsPopupMenu, getInputMap, getInputMap, getInputVerifier, getInsets, getInsets, getListeners, getLocation, getMaximumSize, getMinimumSize, getNextFocusableComponent, getPopupLocation, getPreferredSize, getRegisteredKeyStrokes, getRootPane, getSize, getToolTipLocation, getToolTipText, getToolTipText, getTopLevelAncestor, getTransferHandler, getVerifyInputWhenFocusTarget, getVetoableChangeListeners, getVisibleRect, getWidth, getX, getY, grabFocus, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingTile, isRequestFocusEnabled, isValidateRoot, paintBorder, paintChildren, paintComponent, paintImmediately, paintImmediately, print, printAll, printBorder, printChildren, printComponent, processComponentKeyEvent, processKeyBinding, processKeyEvent, processMouseEvent, processMouseMotionEvent, putClientProperty, registerKeyboardAction, registerKeyboardAction, removeAncestorListener, removeNotify, removeVetoableChangeListener, repaint, repaint, requestDefaultFocus, requestFocus, requestFocus, requestFocusInWindow, requestFocusInWindow, resetKeyboardActions, reshape, revalidate, scrollRectToVisible, setActionMap, setAlignmentX, setAlignmentY, setAutoscrolls, setBackground, setBorder, setComponentPopupMenu, setDebugGraphicsOptions, setDefaultLocale, setDoubleBuffered, setEnabled, setFocusTraversalKeys, setFont, setForeground, setInheritsPopupMenu, setInputMap, setInputVerifier, setMaximumSize, setMinimumSize, setNextFocusableComponent, setOpaque, setPreferredSize, setRequestFocusEnabled, setToolTipText, setTransferHandler, setUI, setVerifyInputWhenFocusTarget, setVisible, unregisterKeyboardAction, update`

Methods inherited from class java.awt.Container
`add, add, add, add, add, addContainerListener, addImpl, addPropertyChangeListener, addPropertyChangeListener, applyComponentOrientation, areFocusTraversalKeysSet, countComponents, deliverEvent, doLayout, findComponentAt, findComponentAt, getComponent, getComponentAt, getComponentAt, getComponentCount, getComponents, getComponentZOrder, getContainerListeners, getFocusTraversalKeys, getFocusTraversalPolicy, getLayout, getMousePosition, insets, invalidate, isAncestorOf, isFocusCycleRoot, isFocusCycleRoot, isFocusTraversalPolicyProvider, isFocusTraversalPolicySet, layout, list, list, locate, minimumSize, paintComponents, preferredSize, printComponents, processContainerEvent, processEvent, remove, remove, removeAll, removeContainerListener, setComponentZOrder, setFocusCycleRoot, setFocusTraversalPolicy, setFocusTraversalPolicyProvider, setLayout, 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, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, firePropertyChange, getBackground, getBounds, getColorModel, getComponentListeners, getComponentOrientation, getCursor, getDropTarget, getFocusCycleRootAncestor, getFocusListeners, getFocusTraversalKeysEnabled, getFont, getForeground, getGraphicsConfiguration, getHierarchyBoundsListeners, getHierarchyListeners, getIgnoreRepaint, getInputContext, getInputMethodListeners, getInputMethodRequests, getKeyListeners, getLocale, getLocation, getLocationOnScreen, getMouseListeners, getMouseMotionListeners, getMousePosition, getMouseWheelListeners, getName, getParent, getPeer, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, hide, inside, isBackgroundSet, isCursorSet, isDisplayable, isEnabled, isFocusable, isFocusOwner, isFocusTraversable, isFontSet, isForegroundSet, isLightweight, isMaximumSizeSet, isMinimumSizeSet, isPreferredSizeSet, 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, processMouseWheelEvent, remove, removeComponentListener, removeFocusListener, removeHierarchyBoundsListener, removeHierarchyListener, removeInputMethodListener, removeKeyListener, removeMouseListener, removeMouseMotionListener, removeMouseWheelListener, removePropertyChangeListener, removePropertyChangeListener, repaint, repaint, repaint, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setName, setSize, setSize, show, show, size, toString, transferFocus, transferFocusBackward, transferFocusUpCycle`

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

Constructor Detail

### PagePanel

    public PagePanel()

  Create a new PagePanel, with a default size of 800 by 600 pixels.

Method Detail

### showPage

    public void showPage(PDFPage page)

  Stop the generation of any previous page, and draw the new one.

  Parameters:
    `page` - the PDFPage to draw.

### flush

    public void flush()

  Deprecated.

### paint

    public void paint(java.awt.Graphics g)

  Draw the image.

  Overrides:
    `paint` in class `javax.swing.JComponent`

### getPage

    public PDFPage getPage()

  Gets the page currently being displayed

### getCurSize

    public java.awt.Dimension getCurSize()

  Gets the size of the image currently being displayed

### getCurClip

    public java.awt.geom.Rectangle2D getCurClip()

  Gets the clipping rectangle in page space currently being displayed

### waitForCurrentPage

    public void waitForCurrentPage()

  Waits until the page is either complete or had an error.

### imageUpdate

    public boolean imageUpdate(java.awt.Image img,
                               int infoflags,
                               int x,
                               int y,
                               int width,
                               int height)

  Handles notification of the fact that some part of the image changed. Repaints that portion.

  Specified by:
    `imageUpdate` in interface `java.awt.image.ImageObserver`
  Overrides:
    `imageUpdate` in class `java.awt.Component`
  Returns:
    true if more updates are desired.

### useZoomTool

    public void useZoomTool(boolean use)

  Turns the zoom tool on or off. If on, mouse drags will draw the zooming marquee. If off, mouse drags are ignored.

### setClip

    public void setClip(java.awt.geom.Rectangle2D clip)

  Set the desired clipping region (in screen coordinates), and redraw the image.

### mousePressed

    public void mousePressed(java.awt.event.MouseEvent evt)

  Handles a mousePressed event

  Specified by:
    `mousePressed` in interface `java.awt.event.MouseListener`

### mouseReleased

    public void mouseReleased(java.awt.event.MouseEvent evt)

  Handles a mouseReleased event. If zooming is turned on and there's a valid zoom rectangle, set the image clip to the zoom rect.

  Specified by:
    `mouseReleased` in interface `java.awt.event.MouseListener`

### mouseClicked

    public void mouseClicked(java.awt.event.MouseEvent evt)

  Specified by:
    `mouseClicked` in interface `java.awt.event.MouseListener`

### mouseEntered

    public void mouseEntered(java.awt.event.MouseEvent evt)

  Specified by:
    `mouseEntered` in interface `java.awt.event.MouseListener`

### mouseExited

    public void mouseExited(java.awt.event.MouseEvent evt)

  Specified by:
    `mouseExited` in interface `java.awt.event.MouseListener`

### mouseMoved

    public void mouseMoved(java.awt.event.MouseEvent evt)

  Specified by:
    `mouseMoved` in interface `java.awt.event.MouseMotionListener`

### mouseDragged

    public void mouseDragged(java.awt.event.MouseEvent evt)

  Handles a mouseDragged event. Constrains the zoom rect to the aspect ratio of the panel unless the shift key is down.

  Specified by:
    `mouseDragged` in interface `java.awt.event.MouseMotionListener`

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