com.itextpdf.pdfoptimizer.handlers.imagequality.processors

Class BitmapIndexer

java.lang.Object

com.itextpdf.pdfoptimizer.handlers.imagequality.processors.BitmapIndexer

All Implemented Interfaces:

IImageProcessor

public class BitmapIndexer
extends Object
implements IImageProcessor

Class is used to make the color space of the image indexed if possible.

Constructor Summary

Constructors

Constructor and Description
BitmapIndexer()

Method Summary

Modifier and Type	Method and Description
com.itextpdf.kernel.pdf.xobject.PdfImageXObject	processImage(com.itextpdf.kernel.pdf.xobject.PdfImageXObject objectToProcess, OptimizationSession session) Calculates the number of colors used for the image and if it is not more than 256 builds an index for the image and change the color space to Indexed.

Methods inherited from class java.lang.Object

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

Constructor Detail

BitmapIndexer

public BitmapIndexer()

Method Detail

processImage

public com.itextpdf.kernel.pdf.xobject.PdfImageXObject processImage(com.itextpdf.kernel.pdf.xobject.PdfImageXObject objectToProcess,
                                                                    OptimizationSession session)

Calculates the number of colors used for the image and if it is not more than 256 builds an index for the image and change the color space to Indexed.

Specified by:

processImage in interface IImageProcessor

Parameters:

objectToProcess - is a PdfImageXObject representing the image

session - is an auxiliary object used to support share data between stages of optimization process

Returns:

processed image if processing can be performed and the same instance otherwise