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## org.apache.fop.render.ps
Class PSRenderingUtil

    java.lang.Object
      org.apache.fop.render.ps.PSRenderingUtil

All Implemented Interfaces:
  PSConfigurationConstants

public class PSRenderingUtil
extends java.lang.Object
implements PSConfigurationConstants

Utility class which enables all sorts of features that are not directly connected to the normal rendering process.

Field Summary

Fields inherited from interface org.apache.fop.render.ps.PSConfigurationConstants
`AUTO_ROTATE_LANDSCAPE, LANGUAGE_LEVEL, OPTIMIZE_RESOURCES`

Method Summary
`int` | `getLanguageLevel()` Indicates the selected PostScript language level.
`boolean` | `isAutoRotateLandscape()` Indicates whether landscape pages are rotated.
`boolean` | `isDSCComplianceEnabled()`
`boolean` | `isOptimizeResources()` Indicates whether PostScript resources are optimized in a second pass over the document.
`boolean` | `isSafeSetPageDevice()` Indicates whether the "safe setpagedevice" mode is active.
`void` | `setAutoRotateLandscape(boolean value)` Controls whether landscape pages should be rotated.
`void` | `setDSCComplianceEnabled(boolean value)` Sets whether or not the safe set page device macro should be used (as opposed to directly invoking setpagedevice) when setting the PostScript page device.
`void` | `setLanguageLevel(int level)` Sets the PostScript language level.
`void` | `setOptimizeResources(boolean value)` Controls whether PostScript resources are optimized in a second pass over the document.
`void` | `setSafeSetPageDevice(boolean value)` Sets whether or not PostScript Document Structuring Conventions (DSC) compliance are enforced.
`static void` | `writeEnclosedExtensionAttachment(org.apache.xmlgraphics.ps.PSGenerator gen, PSExtensionAttachment attachment)` Formats and writes a PSExtensionAttachment to the output stream.
`static void` | `writeEnclosedExtensionAttachments(org.apache.xmlgraphics.ps.PSGenerator gen, java.util.Collection attachmentCollection)` Formats and writes a Collection of PSExtensionAttachment instances to the output stream.
`static void` | `writeSetupCodeList(org.apache.xmlgraphics.ps.PSGenerator gen, java.util.List setupCodeList, java.lang.String type)` Formats and writes a List of PSSetupCode instances to the output stream.

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Method Detail

### writeSetupCodeList

    public static void writeSetupCodeList(org.apache.xmlgraphics.ps.PSGenerator gen,
                                          java.util.List setupCodeList,
                                          java.lang.String type)
                                   throws java.io.IOException

  Formats and writes a List of PSSetupCode instances to the output stream.

  Parameters:
    `gen` - the PS generator
    `setupCodeList` - a List of PSSetupCode instances
    `type` - the type of code section
  Throws:
    `java.io.IOException` - if an I/O error occurs.

### writeEnclosedExtensionAttachments

    public static void writeEnclosedExtensionAttachments(org.apache.xmlgraphics.ps.PSGenerator gen,
                                                         java.util.Collection attachmentCollection)
                                                  throws java.io.IOException

  Formats and writes a Collection of PSExtensionAttachment instances to the output stream. The instances are removed from the collection when they have been written.

  Parameters:
    `gen` - the PS generator
    `attachmentCollection` - a Collection of PSExtensionAttachment instances
  Throws:
    `java.io.IOException` - if an I/O error occurs.

### writeEnclosedExtensionAttachment

    public static void writeEnclosedExtensionAttachment(org.apache.xmlgraphics.ps.PSGenerator gen,
                                                        PSExtensionAttachment attachment)
                                                 throws java.io.IOException

  Formats and writes a PSExtensionAttachment to the output stream.

  Parameters:
    `gen` - the PS generator
    `attachment` - an PSExtensionAttachment instance
  Throws:
    `java.io.IOException` - if an I/O error occurs.

### setSafeSetPageDevice

    public void setSafeSetPageDevice(boolean value)

  Sets whether or not PostScript Document Structuring Conventions (DSC) compliance are enforced.

  It can cause problems (unwanted PostScript subsystem initgraphics/erasepage calls) on some printers when the pagedevice is set. If this causes problems on a particular implementation then use this setting with a 'false' value to try and minimize the number of setpagedevice calls in the PostScript document output.

  Set this value to false if you experience unwanted blank pages in your PostScript output.

  Parameters:
    `value` - boolean value (default is true)

### isSafeSetPageDevice

    public boolean isSafeSetPageDevice()

  Indicates whether the "safe setpagedevice" mode is active. See `setSafeSetPageDevice(boolean)` for more information.

  Returns:
    true if active

### setDSCComplianceEnabled

    public void setDSCComplianceEnabled(boolean value)

  Sets whether or not the safe set page device macro should be used (as opposed to directly invoking setpagedevice) when setting the PostScript page device.

  This option is a useful option when you want to guard against the possibility of invalid/unsupported PostScript key/values being placed in the page device.

  Parameters:
    `value` - setting to false and the renderer will make a standard "setpagedevice" call, setting to true will make a safe set page device macro call (default is false).

### isDSCComplianceEnabled

    public boolean isDSCComplianceEnabled()

### setAutoRotateLandscape

    public void setAutoRotateLandscape(boolean value)

  Controls whether landscape pages should be rotated.

  Parameters:
    `value` - true to enable the rotation

### isAutoRotateLandscape

    public boolean isAutoRotateLandscape()

  Indicates whether landscape pages are rotated.

  Returns:
    true if landscape pages are to be rotated

### setLanguageLevel

    public void setLanguageLevel(int level)

  Sets the PostScript language level.

  Parameters:
    `level` - the PostScript language level (Only 2 and 3 are currently supported)

### getLanguageLevel

    public int getLanguageLevel()

  Indicates the selected PostScript language level.

  Returns:
    the PostScript language level

### setOptimizeResources

    public void setOptimizeResources(boolean value)

  Controls whether PostScript resources are optimized in a second pass over the document. Enable this to obtain smaller PostScript files.

  Parameters:
    `value` - true to enable resource optimization

### isOptimizeResources

    public boolean isOptimizeResources()

  Indicates whether PostScript resources are optimized in a second pass over the document.

  Returns:
    true if resource optimization is enabled

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