OrientationRequested (Java 2 Platform SE v1.4.1) - JDK 5 Documentation v1.4.1, Java 2 SDK 英文文档

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Java^TM 2 Platform
Std. Ed. v1.4.1

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javax.print.attribute.standard
Class OrientationRequested

java.lang.Object
  |
  +--javax.print.attribute.EnumSyntax
        |
        +--javax.print.attribute.standard.OrientationRequested

All Implemented Interfaces:: Attribute, Cloneable, DocAttribute, PrintJobAttribute, PrintRequestAttribute, Serializable

public final class OrientationRequested
extends EnumSyntax
implements DocAttribute, PrintRequestAttribute, PrintJobAttribute

Class OrientationRequested is a printing attribute class, an enumeration, that indicates the desired orientation for printed print-stream pages; it does not describe the orientation of the client-supplied print-stream pages.

For some document formats (such as "application/postscript"), the desired orientation of the print-stream pages is specified within the document data. This information is generated by a device driver prior to the submission of the print job. Other document formats (such as "text/plain") do not include the notion of desired orientation within the document data. In the latter case it is possible for the printer to bind the desired orientation to the document data after it has been submitted. It is expected that a printer would only support the OrientationRequested attribute for some document formats (e.g., "text/plain" or "text/html") but not others (e.g. "application/postscript"). This is no different from any other job template attribute, since a print job can always impose constraints among the values of different job template attributes. However, a special mention is made here since it is very likely that a printer will support the OrientationRequested attribute for only a subset of the supported document formats.

IPP Compatibility: The category name returned by getName() is the IPP attribute name. The enumeration's integer value is the IPP enum value. The toString() method returns the IPP string representation of the attribute value.

See Also:: Serialized Form

Field Summary

static OrientationRequested LANDSCAPE
          The content will be imaged across the long edge of the medium.

static OrientationRequested PORTRAIT
          The content will be imaged across the short edge of the medium.

static OrientationRequested REVERSE_LANDSCAPE
          The content will be imaged across the long edge of the medium, but in the opposite manner from landscape.

static OrientationRequested REVERSE_PORTRAIT
          The content will be imaged across the short edge of the medium, but in the opposite manner from portrait.

Constructor Summary

protected OrientationRequested(int value)
          Construct a new orientation requested enumeration value with the given integer value.

Method Summary

Class getCategory()
          Get the printing attribute class which is to be used as the "category" for this printing attribute value.

protected EnumSyntax[] getEnumValueTable()
          Returns the enumeration value table for class OrientationRequested.

String getName()
          Get the name of the category of which this attribute value is an instance.

protected int getOffset()
          Returns the lowest integer value used by class OrientationRequested.

protected String[] getStringTable()
          Returns the string table for class OrientationRequested.

Methods inherited from class javax.print.attribute.EnumSyntax

clone, getValue, hashCode, readResolve, toString

Methods inherited from class java.lang.Object

equals, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

PORTRAIT

public static final OrientationRequested PORTRAIT

The content will be imaged across the short edge of the medium.

LANDSCAPE

public static final OrientationRequested LANDSCAPE

The content will be imaged across the long edge of the medium. Landscape is defined to be a rotation of the print-stream page to be imaged by +90 degrees with respect to the medium (i.e. anti-clockwise) from the portrait orientation. Note: The +90 direction was chosen because simple finishing on the long edge is the same edge whether portrait or landscape.

REVERSE_LANDSCAPE

public static final OrientationRequested REVERSE_LANDSCAPE

The content will be imaged across the long edge of the medium, but in the opposite manner from landscape. Reverse-landscape is defined to be a rotation of the print-stream page to be imaged by -90 degrees with respect to the medium (i.e. clockwise) from the portrait orientation. Note: The REVERSE_LANDSCAPE value was added because some applications rotate landscape -90 degrees from portrait, rather than +90 degrees.

REVERSE_PORTRAIT

public static final OrientationRequested REVERSE_PORTRAIT

The content will be imaged across the short edge of the medium, but in the opposite manner from portrait. Reverse-portrait is defined to be a rotation of the print-stream page to be imaged by 180 degrees with respect to the medium from the portrait orientation. Note: The REVERSE_PORTRAIT value was added for use with the Finishings attribute in cases where the opposite edge is desired for finishing a portrait document on simple finishing devices that have only one finishing position. Thus a "text/plain" portrait document can be stapled "on the right" by a simple finishing device as is common use with some Middle Eastern languages such as Hebrew.

Constructor Detail

OrientationRequested

protected OrientationRequested(int value)

Construct a new orientation requested enumeration value with the given integer value.
Parameters:: value - Integer value.

Method Detail

getStringTable

protected String[] getStringTable()

Returns the string table for class OrientationRequested.

Overrides:: getStringTable in class EnumSyntax

Returns:: the string table

getEnumValueTable

protected EnumSyntax[] getEnumValueTable()

Returns the enumeration value table for class OrientationRequested.

Overrides:: getEnumValueTable in class EnumSyntax

Returns:: the value table

getOffset

protected int getOffset()

Returns the lowest integer value used by class OrientationRequested.

Overrides:: getOffset in class EnumSyntax

Returns:: the offset of the lowest enumeration value.

getCategory

public final Class getCategory()

Get the printing attribute class which is to be used as the "category" for this printing attribute value.

For class OrientationRequested, the category is class OrientationRequested itself.

Specified by:: getCategory in interface Attribute

Returns:: Printing attribute class (category), an instance of class java.lang.Class.

getName

public final String getName()

Get the name of the category of which this attribute value is an instance.

For class OrientationRequested, the category name is "orientation-requested".

Specified by:: getName in interface Attribute

Returns:: Attribute category name.