Class 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
    The panel that will show a rendered PDF page.
    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 
      Modifier and Type Field Description
      (package private) java.awt.geom.Rectangle2D clip
      the current clip, in device space
      protected java.awt.Image currentImage
      The image of the rendered PDF page being displayed
      protected com.sun.pdfview.PDFPage currentPage
      The current PDFPage that was rendered into currentImage
      (package private) java.awt.geom.AffineTransform deviceToPageSpaceTransformation
      the current transform from device space to page space
      protected int offx
      The horizontal offset of the image from the left edge of the panel
      protected int offy
      The vertical offset of the image from the top of the panel
      (package private) java.awt.geom.Rectangle2D prevClip
      the clipping region used for the image
      (package private) java.awt.Dimension prevSize
      the size of the image
      private static long serialVersionUID
      A Serial Version UID.
      protected java.awt.Rectangle zoomRect
      the zooming marquee
      • Fields inherited from class javax.swing.JComponent

        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

        accessibleContext, 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

      Constructors 
      Constructor Description
      PagePanel()
      Creates a new PagePanel
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      int getCurrentPageNumber()
      Gets the current page number.
      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 arg0)  
      void mouseDragged​(java.awt.event.MouseEvent arg0)  
      void mouseEntered​(java.awt.event.MouseEvent arg0)  
      void mouseExited​(java.awt.event.MouseEvent arg0)  
      void mouseMoved​(java.awt.event.MouseEvent arg0)  
      void mousePressed​(java.awt.event.MouseEvent arg0)  
      void mouseReleased​(java.awt.event.MouseEvent arg0)  
      void paint​(java.awt.Graphics g)
      Draw the image.
      void showPage​(com.sun.pdfview.PDFPage page)
      Stop the generation of any previous page, and draw the new one.
      • 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, hide, isDoubleBuffered, isLightweightComponent, isManagingFocus, isOpaque, isOptimizedDrawingEnabled, isPaintingForPrint, isPaintingOrigin, 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, getPropertyChangeListeners, getPropertyChangeListeners, getSize, getToolkit, getTreeLock, gotFocus, handleEvent, hasFocus, 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, requestFocus, requestFocus, requestFocusInWindow, resize, resize, setBounds, setBounds, setComponentOrientation, setCursor, setDropTarget, setFocusable, setFocusTraversalKeysEnabled, setIgnoreRepaint, setLocale, setLocation, setLocation, setMixingCutoutShape, 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
    • Field Detail

      • serialVersionUID

        private static final long serialVersionUID
        A Serial Version UID.
        See Also:
        Constant Field Values
      • currentPage

        protected com.sun.pdfview.PDFPage currentPage
        The current PDFPage that was rendered into currentImage
      • currentImage

        protected java.awt.Image currentImage
        The image of the rendered PDF page being displayed
      • offx

        protected int offx
        The horizontal offset of the image from the left edge of the panel
      • offy

        protected int offy
        The vertical offset of the image from the top of the panel
      • prevSize

        java.awt.Dimension prevSize
        the size of the image
      • clip

        java.awt.geom.Rectangle2D clip
        the current clip, in device space
      • prevClip

        java.awt.geom.Rectangle2D prevClip
        the clipping region used for the image
      • zoomRect

        protected java.awt.Rectangle zoomRect
        the zooming marquee
      • deviceToPageSpaceTransformation

        java.awt.geom.AffineTransform deviceToPageSpaceTransformation
        the current transform from device space to page space
    • Constructor Detail

      • PagePanel

        public PagePanel()
        Creates a new PagePanel
    • Method Detail

      • getCurrentPageNumber

        public int getCurrentPageNumber()
        Gets the current page number.
        Returns:
        the number of the currently shown page.
      • paint

        public void paint​(java.awt.Graphics g)
        Draw the image.
        Overrides:
        paint in class javax.swing.JComponent
      • showPage

        public void showPage​(com.sun.pdfview.PDFPage page)
        Stop the generation of any previous page, and draw the new one.
        Parameters:
        page - the PDFPage to draw.
      • 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.
      • mouseClicked

        public void mouseClicked​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseClicked in interface java.awt.event.MouseListener
      • mouseEntered

        public void mouseEntered​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseEntered in interface java.awt.event.MouseListener
      • mouseExited

        public void mouseExited​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseExited in interface java.awt.event.MouseListener
      • mousePressed

        public void mousePressed​(java.awt.event.MouseEvent arg0)
        Specified by:
        mousePressed in interface java.awt.event.MouseListener
      • mouseReleased

        public void mouseReleased​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseReleased in interface java.awt.event.MouseListener
      • mouseDragged

        public void mouseDragged​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseDragged in interface java.awt.event.MouseMotionListener
      • mouseMoved

        public void mouseMoved​(java.awt.event.MouseEvent arg0)
        Specified by:
        mouseMoved in interface java.awt.event.MouseMotionListener