Package org.apache.fop.render.afp

Class AFPImageHandlerRenderedImage.RenderedImageEncoder

java.lang.Object

org.apache.fop.render.afp.AFPImageHandlerRenderedImage.RenderedImageEncoder

Enclosing class:

AFPImageHandlerRenderedImage

private static final class AFPImageHandlerRenderedImage.RenderedImageEncoder
extends java.lang.Object

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	AFPImageHandlerRenderedImage.RenderedImageEncoder.FunctionSet

Field Summary

Fields

Modifier and Type	Field	Description
private org.apache.xmlgraphics.image.loader.ImageSize	effIntrinsicSize
private org.apache.xmlgraphics.image.loader.impl.ImageRendered	imageRendered
private org.apache.xmlgraphics.image.loader.ImageSize	intrinsicSize
private int	maxPixelSize
private boolean	resample
private java.awt.Dimension	resampledDim
private java.awt.Dimension	targetSize
private boolean	useFS10
private boolean	usePageSegments

Constructor Summary

Constructors

Modifier	Constructor	Description
private	RenderedImageEncoder(org.apache.xmlgraphics.image.loader.impl.ImageRendered imageRendered, java.awt.Dimension targetSize)

Method Summary

Modifier and Type	Method	Description
private AFPDataObjectInfo	encodeImage(AFPImageObjectInfo imageObjectInfo, AFPPaintingState paintingState)
private boolean	encodeInvertedBilevel(org.apache.xmlgraphics.ps.ImageEncodingHelper helper, AFPImageObjectInfo imageObjectInfo, java.io.OutputStream out)	Efficiently encodes a bi-level image in inverted form as a plain bit-stream.
private void	encodeToBaselineDCT(java.awt.image.RenderedImage image, float quality, int resolution, java.io.OutputStream out)
private byte[]	encodeViaRGB(java.awt.image.RenderedImage renderedImage, AFPImageObjectInfo imageObjectInfo, AFPPaintingState paintingState, java.io.ByteArrayOutputStream baos)
private void	prepareEncoding(AFPImageObjectInfo imageObjectInfo, AFPPaintingState paintingState)

Methods inherited from class java.lang.Object

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

Field Detail

imageRendered

private org.apache.xmlgraphics.image.loader.impl.ImageRendered imageRendered

targetSize

private java.awt.Dimension targetSize

useFS10

private boolean useFS10

maxPixelSize

private int maxPixelSize

usePageSegments

private boolean usePageSegments

resample

private boolean resample

resampledDim

private java.awt.Dimension resampledDim

intrinsicSize

private org.apache.xmlgraphics.image.loader.ImageSize intrinsicSize

effIntrinsicSize

private org.apache.xmlgraphics.image.loader.ImageSize effIntrinsicSize

Constructor Detail

RenderedImageEncoder

private RenderedImageEncoder(org.apache.xmlgraphics.image.loader.impl.ImageRendered imageRendered,
                             java.awt.Dimension targetSize)

Method Detail

prepareEncoding

private void prepareEncoding(AFPImageObjectInfo imageObjectInfo,
                             AFPPaintingState paintingState)

encodeImage

private AFPDataObjectInfo encodeImage(AFPImageObjectInfo imageObjectInfo,
                                      AFPPaintingState paintingState)
                               throws java.io.IOException

Throws:

java.io.IOException

encodeViaRGB

private byte[] encodeViaRGB(java.awt.image.RenderedImage renderedImage,
                            AFPImageObjectInfo imageObjectInfo,
                            AFPPaintingState paintingState,
                            java.io.ByteArrayOutputStream baos)
                     throws java.io.IOException

Throws:

java.io.IOException

encodeInvertedBilevel

private boolean encodeInvertedBilevel(org.apache.xmlgraphics.ps.ImageEncodingHelper helper,
                                      AFPImageObjectInfo imageObjectInfo,
                                      java.io.OutputStream out)
                               throws java.io.IOException

Efficiently encodes a bi-level image in inverted form as a plain bit-stream.

Parameters:

helper - the image encoding helper used to analyze the image

imageObjectInfo - the AFP image object

out - the output stream

Returns:

true if the image was encoded, false if there was something prohibiting that

Throws:

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

encodeToBaselineDCT

private void encodeToBaselineDCT(java.awt.image.RenderedImage image,
                                 float quality,
                                 int resolution,
                                 java.io.OutputStream out)
                          throws java.io.IOException

Throws:

java.io.IOException