com.lowagie.rups.view.renderer

Class PagePanel

public class PagePanel extends JPanel implements ImageObserver, MouseListener, MouseMotionListener

The panel that will show a rendered PDF page.

Field Summary
Rectangle2D	clip the current clip, in device space
protected Image	currentImage The image of the rendered PDF page being displayed
protected PDFPage	currentPage The current PDFPage that was rendered into currentImage
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
Rectangle2D	prevClip the clipping region used for the image
Dimension	prevSize the size of the image
static long	serialVersionUID A Serial Version UID.
protected Rectangle	zoomRect the zooming marquee

Constructor Summary
	PagePanel() Creates a new PagePanel

Method Summary
int	getCurrentPageNumber() Gets the current page number.
boolean	imageUpdate(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(MouseEvent arg0)
void	mouseDragged(MouseEvent arg0)
void	mouseEntered(MouseEvent arg0)
void	mouseExited(MouseEvent arg0)
void	mouseMoved(MouseEvent arg0)
void	mousePressed(MouseEvent arg0)
void	mouseReleased(MouseEvent arg0)
void	paint(Graphics g) Draw the image.
void	showPage(PDFPage page) Stop the generation of any previous page, and draw the new one.

Field Detail

clip

Rectangle2D clip

the current clip, in device space

currentImage

protected Image currentImage

The image of the rendered PDF page being displayed

currentPage

protected PDFPage currentPage

The current PDFPage that was rendered into currentImage

deviceToPageSpaceTransformation

AffineTransform deviceToPageSpaceTransformation

the current transform from device space to page space

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

prevClip

Rectangle2D prevClip

the clipping region used for the image

prevSize

Dimension prevSize

the size of the image

serialVersionUID

private static final long serialVersionUID

A Serial Version UID.

zoomRect

protected Rectangle zoomRect

the zooming marquee

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.

imageUpdate

public boolean imageUpdate(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.

Returns: true if more updates are desired.

mouseClicked

public void mouseClicked(MouseEvent arg0)

mouseDragged

public void mouseDragged(MouseEvent arg0)

mouseEntered

public void mouseEntered(MouseEvent arg0)

mouseExited

public void mouseExited(MouseEvent arg0)

mouseMoved

public void mouseMoved(MouseEvent arg0)

mousePressed

public void mousePressed(MouseEvent arg0)

mouseReleased

public void mouseReleased(MouseEvent arg0)

paint

public void paint(Graphics g)

Draw the image.

showPage

public void showPage(PDFPage page)

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

Parameters: page the PDFPage to draw.