Class AbstractPDFImageHandler

java.lang.Object

org.apache.fop.render.pdf.AbstractPDFImageHandler

All Implemented Interfaces:

ImageHandler, ImageHandlerBase

Direct Known Subclasses:

PDFImageHandlerRawCCITTFax, PDFImageHandlerRawJPEG, PDFImageHandlerRawPNG, PDFImageHandlerRenderedImage

abstract class AbstractPDFImageHandler
extends Object
implements ImageHandler

A partial implementation of a PDF-specific image handler, containing the code that is common between image flavors.

Constructor Summary

Constructors

Constructor	Description
AbstractPDFImageHandler()

Method Summary

Modifier and Type	Method	Description
(package private) abstract PDFImage	createPDFImage(org.apache.xmlgraphics.image.loader.Image image, String xobjectKey)	Creates a PDF image object out of the given image.
void	handleImage(RenderingContext context, org.apache.xmlgraphics.image.loader.Image image, Rectangle pos)	Handles the given Image instance painting it at the indicated position in the output format being generated.

Methods inherited from class Object

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

Methods inherited from interface ImageHandler

isCompatible

Methods inherited from interface ImageHandlerBase

getPriority, getSupportedImageClass, getSupportedImageFlavors

Constructor Details

AbstractPDFImageHandler

AbstractPDFImageHandler()

Method Details

handleImage

public void handleImage(RenderingContext context,
 org.apache.xmlgraphics.image.loader.Image image,
 Rectangle pos)
                 throws IOException

Handles the given Image instance painting it at the indicated position in the output format being generated.

Specified by:

handleImage in interface ImageHandler

Parameters:

context - the rendering context

image - the image to be handled

pos - the position and scaling of the image relative to the origin point of the current viewport (in millipoints)

Throws:

IOException - if an I/O error occurs

createPDFImage

abstract PDFImage createPDFImage(org.apache.xmlgraphics.image.loader.Image image,
 String xobjectKey)

Creates a PDF image object out of the given image.

Parameters:

image - an image

xobjectKey - a key for retrieval of the image from the document's XObject collection

Returns:

a suitable PDFImage implementation that can handle the flavour of the given image