com.itextpdf.pdfoptimizer.handlers.util

Class CsConverterUtil

java.lang.Object

com.itextpdf.pdfoptimizer.handlers.util.CsConverterUtil

public final class CsConverterUtil
extends Object

Helper class which encapsulates util method for color space converting.

Method Summary

Modifier and Type	Method and Description
static BitmapImagePixels	convertBitmapImage(BitmapImagePixels imagePixels, ColorConverter converter) Converts passed bitmap image bytes from one color space to another according with provided ColorConverter.
static BitmapImagePixels	extractColorTableOfIndexedImage(com.itextpdf.kernel.pdf.colorspace.PdfSpecialCs.Indexed indexedCs) Extracts color table from indexed color space instance.

Methods inherited from class java.lang.Object

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

Method Detail

convertBitmapImage

public static BitmapImagePixels convertBitmapImage(BitmapImagePixels imagePixels,
                                                   ColorConverter converter)

Converts passed bitmap image bytes from one color space to another according with provided ColorConverter. It is expected that source color space of the converter matches the color space of the image. Otherwise result of the method invocation may be unpredictable.

Parameters:

imagePixels - the bitmap image pixels to be converted

converter - is the converter for the image. It is expected that its source color space which can be identified via ColorConverter.getSourceColorspace() matches the color space of the image (at least it has the same number of components as image does according to BitmapImagePixels.getNumberOfComponents() method.

Returns:

the new image pixels in new color space

extractColorTableOfIndexedImage

public static BitmapImagePixels extractColorTableOfIndexedImage(com.itextpdf.kernel.pdf.colorspace.PdfSpecialCs.Indexed indexedCs)

Extracts color table from indexed color space instance.

Parameters:

indexedCs - is an indexed color space instance

Returns:

color table as BitmapImagePixels or null if indexedCs is not valid indexed color space instance