org.jpedal.examples.handlers
Class ExampleImageHandler

java.lang.Object
  org.jpedal.examples.handlers.ExampleImageHandler

All Implemented Interfaces:

ImageHandler

public class ExampleImageHandler
extends java.lang.Object
implements ImageHandler

example of adding in custom image code , replacing code with a blank image of correct size

Constructor Summary

ExampleImageHandler()

Method Summary

boolean	alwaysIgnoreGenericHandler()
boolean	drawImageOnscreen(java.awt.image.BufferedImage image, int optionsApplied, java.awt.geom.AffineTransform upside_down, java.lang.String currentImageFile, java.awt.Graphics2D g2, boolean renderDirect, ObjectStore objectStore, boolean isPrinting) Allow user to paint directly onto g2 for screen display
boolean	imageHasBeenScaled() tells JPedal not to scale image
java.awt.image.BufferedImage	processImageData(org.jpedal.objects.GraphicsState gs, org.jpedal.objects.raw.PdfObject XObject, org.jpedal.objects.raw.PdfObject ColorSpace)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ExampleImageHandler

public ExampleImageHandler()

Method Detail

alwaysIgnoreGenericHandler

public boolean alwaysIgnoreGenericHandler()

Specified by:

alwaysIgnoreGenericHandler in interface ImageHandler

imageHasBeenScaled

public boolean imageHasBeenScaled()

tells JPedal not to scale image

Specified by:

imageHasBeenScaled in interface ImageHandler

drawImageOnscreen

public boolean drawImageOnscreen(java.awt.image.BufferedImage image,
                                 int optionsApplied,
                                 java.awt.geom.AffineTransform upside_down,
                                 java.lang.String currentImageFile,
                                 java.awt.Graphics2D g2,
                                 boolean renderDirect,
                                 ObjectStore objectStore,
                                 boolean isPrinting)

Description copied from interface: ImageHandler

Allow user to paint directly onto g2 for screen display

Specified by:

drawImageOnscreen in interface ImageHandler

Parameters:

image - - actual BufferedImage

optionsApplied - - any options already done (ie 90 rotate) - values from org.jpedal.constants.PDFImageProcessing

upside_down - - AffineTransform applied to page

currentImageFile - - name of file stored on disk

g2 - - Graphics2D render object

renderDirect - -if being rendered straight to g2 (ie bufferedImage)

objectStore - - JPedals class to access cached images

Returns:

true to ignore standard JPedal routines and false to use.

processImageData

public java.awt.image.BufferedImage processImageData(org.jpedal.objects.GraphicsState gs,
                                                     org.jpedal.objects.raw.PdfObject XObject,
                                                     org.jpedal.objects.raw.PdfObject ColorSpace)

Specified by:

processImageData in interface ImageHandler