Java(TM) 2 Platform, Standard Edition, v1.2.2 API Specification: Class PrintJob - JDK 5 Documentation v1.2.2, Java 2 SDK 英文文档

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Java^TM 2 Platform
Standard Edition

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java.awt
Class PrintJob

java.lang.Object
  |
  +--java.awt.PrintJob

public abstract class PrintJob
extends Object

An abstract class which initiates and executes a print job. It provides access to a print graphics object which renders to an appropriate print device.

See Also:: Toolkit.getPrintJob(java.awt.Frame, java.lang.String, java.util.Properties)

Constructor Summary

PrintJob()


Method Summary

abstract void end()
          Ends the print job and does any necessary cleanup.

void finalize()
          Ends this print job once it is no longer referenced.

abstract Graphics getGraphics()
          Gets a Graphics object that will draw to the next page.

abstract Dimension getPageDimension()
          Returns the dimensions of the page in pixels.

abstract int getPageResolution()
          Returns the resolution of the page in pixels per inch.

abstract boolean lastPageFirst()
          Returns true if the last page will be printed first.

Methods inherited from class java.lang.Object

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

Constructor Detail

PrintJob

public PrintJob()

Method Detail

getGraphics

public abstract Graphics getGraphics()

Gets a Graphics object that will draw to the next page. The page is sent to the printer when the graphics object is disposed. This graphics object will also implement the PrintGraphics interface.

See Also:: PrintGraphics

getPageDimension

public abstract Dimension getPageDimension()

Returns the dimensions of the page in pixels. The resolution of the page is chosen so that it is similar to the screen resolution.

getPageResolution

public abstract int getPageResolution()

Returns the resolution of the page in pixels per inch. Note that this doesn't have to correspond to the physical resolution of the printer.

lastPageFirst

public abstract boolean lastPageFirst()

Returns true if the last page will be printed first.

end

public abstract void end()

Ends the print job and does any necessary cleanup.

finalize

public void finalize()

Ends this print job once it is no longer referenced.

Overrides:: finalize in class Object

See Also:: end()