org.apache.fop.render.pdf

Interface PDFImageHandler

All Superinterfaces:

ImageHandlerBase

All Known Implementing Classes:

PDFImageHandlerGraphics2D, PDFImageHandlerRawCCITTFax, PDFImageHandlerRawJPEG, PDFImageHandlerRenderedImage, PDFImageHandlerXML

public interface PDFImageHandler
extends ImageHandlerBase

This interface is used for handling all sorts of image type for PDF output.

Method Summary

Methods

Modifier and Type	Method and Description
PDFXObject	generateImage(RendererContext context, org.apache.xmlgraphics.image.loader.Image image, java.awt.Point origin, java.awt.Rectangle pos) Generates the PDF objects for the given Image instance.

Methods inherited from interface org.apache.fop.render.ImageHandlerBase

getPriority, getSupportedImageClass, getSupportedImageFlavors

Method Detail

generateImage

PDFXObject generateImage(RendererContext context,
                       org.apache.xmlgraphics.image.loader.Image image,
                       java.awt.Point origin,
                       java.awt.Rectangle pos)
                         throws java.io.IOException

Generates the PDF objects for the given Image instance. If the handler generates an XObject, it shall return it or otherwise return null. A generated XObject shall be placed in the current viewport according to the two parameters "origin" and "pos".

Parameters:

context - the PDF renderer context

image - the image to be handled

origin - the current position in the current viewport (in millipoints)

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

Returns:

the generated XObject or null if no XObject was generated

Throws:

java.io.IOException - if an I/O error occurs