org.apache.xmlgraphics.ps

Class ImageFormGenerator

java.lang.Object

org.apache.xmlgraphics.ps.FormGenerator

org.apache.xmlgraphics.ps.ImageFormGenerator

public class ImageFormGenerator
extends FormGenerator

Abstract helper class for generating PostScript forms.

Field Summary

Fields

Modifier and Type	Field and Description
private int	bitsPerComponent
private java.awt.color.ColorSpace	colorSpace
private ImageEncoder	encoder
private java.awt.image.RenderedImage	image
private boolean	invertImage
private java.awt.Dimension	pixelDimensions

Constructor Summary

Constructors

Constructor and Description
ImageFormGenerator(java.lang.String formName, java.lang.String title, java.awt.geom.Dimension2D dimensions, java.awt.Dimension dimensionsPx, ImageEncoder encoder, java.awt.color.ColorSpace colorSpace, boolean invertImage) Main constructor.
ImageFormGenerator(java.lang.String formName, java.lang.String title, java.awt.geom.Dimension2D dimensions, java.awt.Dimension dimensionsPx, ImageEncoder encoder, java.awt.color.ColorSpace colorSpace, int bitsPerComponent, boolean invertImage) Main constructor.
ImageFormGenerator(java.lang.String formName, java.lang.String title, java.awt.geom.Dimension2D dimensions, java.awt.image.RenderedImage image, boolean invertImage) Main constructor.

Method Summary

Modifier and Type	Method and Description
protected void	generateAdditionalDataStream(PSGenerator gen) Generates some PostScript code right after the form definition (used primarily for bitmap data).
protected void	generatePaintProc(PSGenerator gen) Generates the PostScript code for the PaintProc of the form.
private java.lang.String	getAdditionalFilters(PSGenerator gen)
protected java.lang.String	getDataName() Returns the name of the data segment associated with this image form.

Methods inherited from class org.apache.xmlgraphics.ps.FormGenerator

generate, getBBox, getDimensions, getFormName, getMatrix, getTitle

Methods inherited from class java.lang.Object

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

Field Detail

image

private java.awt.image.RenderedImage image

encoder

private ImageEncoder encoder

colorSpace

private java.awt.color.ColorSpace colorSpace

bitsPerComponent

private int bitsPerComponent

invertImage

private boolean invertImage

pixelDimensions

private java.awt.Dimension pixelDimensions

Constructor Detail

ImageFormGenerator

public ImageFormGenerator(java.lang.String formName,
                          java.lang.String title,
                          java.awt.geom.Dimension2D dimensions,
                          java.awt.image.RenderedImage image,
                          boolean invertImage)

Main constructor.

Parameters:

formName - the form's name

title - the form's title or null

dimensions - the form's dimensions in units (usually points)

image - the image

invertImage - true if the image shall be inverted

ImageFormGenerator

public ImageFormGenerator(java.lang.String formName,
                          java.lang.String title,
                          java.awt.geom.Dimension2D dimensions,
                          java.awt.Dimension dimensionsPx,
                          ImageEncoder encoder,
                          java.awt.color.ColorSpace colorSpace,
                          int bitsPerComponent,
                          boolean invertImage)

Main constructor.

Parameters:

formName - the form's name

title - the form's title or null

dimensions - the form's dimensions in units (usually points)

dimensionsPx - the form's dimensions in pixels

encoder - the image encoder

colorSpace - the target color space

bitsPerComponent - the bits per component

invertImage - true if the image shall be inverted

ImageFormGenerator

public ImageFormGenerator(java.lang.String formName,
                          java.lang.String title,
                          java.awt.geom.Dimension2D dimensions,
                          java.awt.Dimension dimensionsPx,
                          ImageEncoder encoder,
                          java.awt.color.ColorSpace colorSpace,
                          boolean invertImage)

Main constructor.

Parameters:

formName - the form's name

title - the form's title or null

dimensions - the form's dimensions in units (usually points)

dimensionsPx - the form's dimensions in pixels

encoder - the image encoder

colorSpace - the target color space

invertImage - true if the image shall be inverted

Method Detail

getDataName

protected java.lang.String getDataName()

Returns the name of the data segment associated with this image form.

Returns:

the data segment name

getAdditionalFilters

private java.lang.String getAdditionalFilters(PSGenerator gen)

generatePaintProc

protected void generatePaintProc(PSGenerator gen)
                          throws java.io.IOException

Generates the PostScript code for the PaintProc of the form.

Specified by:

generatePaintProc in class FormGenerator

Parameters:

gen - the PostScript generator

Throws:

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

generateAdditionalDataStream

protected void generateAdditionalDataStream(PSGenerator gen)
                                     throws java.io.IOException

Generates some PostScript code right after the form definition (used primarily for bitmap data).

Overrides:

generateAdditionalDataStream in class FormGenerator

Parameters:

gen - the PostScript generator

Throws:

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