Package org.apache.pdfbox.pdmodel.graphics.color

Class PDDeviceCMYK

java.lang.Object

org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace

org.apache.pdfbox.pdmodel.graphics.color.PDDeviceColorSpace

org.apache.pdfbox.pdmodel.graphics.color.PDDeviceCMYK

All Implemented Interfaces:

COSObjectable

public class PDDeviceCMYK
extends PDDeviceColorSpace

Allows colors to be specified according to the subtractive CMYK (cyan, magenta, yellow, black) model typical of printers and other paper-based output devices.

Author:

John Hewson, Ben Litchfield

Field Summary

Fields

Modifier and Type	Field	Description
static PDDeviceCMYK	INSTANCE	The single instance of this class.

Fields inherited from class org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace

array

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	PDDeviceCMYK()

Method Summary

Modifier and Type	Method	Description
float[]	getDefaultDecode(int bitsPerComponent)	Returns the default decode array for this color space.
protected java.awt.color.ICC_Profile	getICCProfile()
PDColor	getInitialColor()	Returns the initial color value for this color space.
java.lang.String	getName()	Returns the name of the color space.
int	getNumberOfComponents()	Returns the number of components in this color space
protected void	init()	Lazy load the ICC profile, because it's slow.
float[]	toRGB(float[] value)	Returns the RGB equivalent of the given color value.
java.awt.image.BufferedImage	toRGBImage(java.awt.image.WritableRaster raster)	Returns the (A)RGB equivalent of the given raster.
protected java.awt.image.BufferedImage	toRGBImageAWT(java.awt.image.WritableRaster raster, java.awt.color.ColorSpace colorSpace)	Returns the (A)RGB equivalent of the given raster, using the given AWT color space to perform the conversion.

Methods inherited from class java.lang.Object

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

Methods inherited from class org.apache.pdfbox.pdmodel.graphics.color.PDColorSpace

create, create, create

Methods inherited from class org.apache.pdfbox.pdmodel.graphics.color.PDDeviceColorSpace

getCOSObject, toString

Field Detail

INSTANCE

public static PDDeviceCMYK INSTANCE

The single instance of this class.

Constructor Detail

PDDeviceCMYK

protected PDDeviceCMYK()

Method Detail

init

protected void init()
             throws java.io.IOException

Lazy load the ICC profile, because it's slow.

Throws:

java.io.IOException

getICCProfile

protected java.awt.color.ICC_Profile getICCProfile()
                                            throws java.io.IOException

Throws:

java.io.IOException

getName

public java.lang.String getName()

Description copied from class: PDColorSpace

Returns the name of the color space.

Specified by:

getName in class PDColorSpace

Returns:

the name of the color space

getNumberOfComponents

public int getNumberOfComponents()

Description copied from class: PDColorSpace

Returns the number of components in this color space

Specified by:

getNumberOfComponents in class PDColorSpace

Returns:

the number of components in this color space

getDefaultDecode

public float[] getDefaultDecode(int bitsPerComponent)

Description copied from class: PDColorSpace

Returns the default decode array for this color space.

Specified by:

getDefaultDecode in class PDColorSpace

Parameters:

bitsPerComponent - the number of bits per component.

Returns:

the default decode array

getInitialColor

public PDColor getInitialColor()

Description copied from class: PDColorSpace

Returns the initial color value for this color space.

Specified by:

getInitialColor in class PDColorSpace

Returns:

the initial color value for this color space

toRGB

public float[] toRGB(float[] value)
              throws java.io.IOException

Description copied from class: PDColorSpace

Returns the RGB equivalent of the given color value.

Specified by:

toRGB in class PDColorSpace

Parameters:

value - a color value with component values between 0 and 1

Returns:

an array of R,G,B value between 0 and 255

Throws:

java.io.IOException - if the color conversion fails

toRGBImage

public java.awt.image.BufferedImage toRGBImage(java.awt.image.WritableRaster raster)
                                        throws java.io.IOException

Description copied from class: PDColorSpace

Returns the (A)RGB equivalent of the given raster.

Specified by:

toRGBImage in class PDColorSpace

Parameters:

raster - the source raster

Returns:

an (A)RGB buffered image

Throws:

java.io.IOException - if the color conversion fails

toRGBImageAWT

protected java.awt.image.BufferedImage toRGBImageAWT(java.awt.image.WritableRaster raster,
                                                     java.awt.color.ColorSpace colorSpace)

Description copied from class: PDColorSpace

Returns the (A)RGB equivalent of the given raster, using the given AWT color space to perform the conversion.

Overrides:

toRGBImageAWT in class PDColorSpace

Parameters:

raster - the source raster

colorSpace - the AWT

Returns:

an (A)RGB buffered image