org.apache.fop.render.intermediate

## Interface IFDocumentHandler

- All Known Implementing Classes:
    AbstractBinaryWritingIFDocumentHandler, AbstractBitmapDocumentHandler, AbstractIFDocumentHandler, AbstractSVGDocumentHandler, AbstractXMLWritingIFDocumentHandler, AFPDocumentHandler, EventProducingFilter, IFDocumentHandlerProxy, IFSerializer, Java2DDocumentHandler, PCLDocumentHandler, PDFDocumentHandler, PNGDocumentHandler, PSDocumentHandler, SVGDocumentHandler, SVGPrintDocumentHandler, TIFFDocumentHandler

      public interface IFDocumentHandler

  Interface used to paint whole documents layouted by Apache FOP.

  Call sequence:

       startDocument()
         [setDocumentLocale()]
         startDocumentHeader()
         [handleExtension()]*
         endDocumentHeader()
         [
         startPageSequence()
           [
           startPage()
             startPageHeader()
               [handleExtension()]*
             endPageHeader()
             startPageContent()
               (#box)+
             endPageContent()
             startPageTrailer()
               (addTarget())*
             endPageTrailer()
           endPage()
           ]*
         endPageSequence()
         ]*
         startDocumentTrailer()
         [handleExtension()]*
         endDocumentTrailer()
       endDocument()

       #box:
       startBox() (#pageContent)+ endBox() |
       startViewport() (#pageContext)+ endViewport()

       #pageContent:
       (
         setFont() |
         drawText() |
         drawRect() |
         drawImage() |
         TODO etc. etc. |
         handleExtensionObject()
       )

- - ### Method Summary

    All Methods Instance Methods Abstract Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `endDocument()` Indicates the end of a document.
    `void` | `endDocumentHeader()` Indicates the end of the document header.
    `void` | `endDocumentTrailer()` Indicates the end of the document trailer.
    `void` | `endPage()` Indicates the end of a page
    `void` | `endPageContent()` Indicates the end of the page content.
    `void` | `endPageHeader()` Indicates the end of the page header.
    `void` | `endPageSequence()` Indicates the end of a page sequence.
    `void` | `endPageTrailer()` Indicates the end of the page trailer.
    `IFDocumentHandlerConfigurator` | `getConfigurator()` Returns the configurator for this document handler, if any.
    `IFContext` | `getContext()` Returns the associated intermediate format context object.
    `IFDocumentNavigationHandler` | `getDocumentNavigationHandler()` Returns a document navigation handler if this feature is supported.
    `FontInfo` | `getFontInfo()` Returns the font set to work with.
    `java.lang.String` | `getMimeType()` Returns the MIME type of the output format that is generated by this implementation.
    `StructureTreeEventHandler` | `getStructureTreeEventHandler()`
    `void` | `handleExtensionObject(java.lang.Object extension)` Handles an extension object.
    `void` | `setDefaultFontInfo(FontInfo fontInfo)` Sets the default font set (with no custom configuration).
    `void` | `setDocumentLocale(java.util.Locale locale)`
    `void` | `setFontInfo(FontInfo fontInfo)` Sets the font set to work with.
    `void` | `setResult(javax.xml.transform.Result result)` Sets the JAXP Result object to receive the generated content.
    `void` | `startDocument()` Indicates the start of a document.
    `void` | `startDocumentHeader()` Indicates the start of the document header.
    `void` | `startDocumentTrailer()` Indicates the start of the document trailer.
    `void` | `startPage(int index, java.lang.String name, java.lang.String pageMasterName, java.awt.Dimension size)` Indicates the start of a new page.
    `IFPainter` | `startPageContent()` Indicates the start of the page content.
    `void` | `startPageHeader()` Indicates the start of the page header.
    `void` | `startPageSequence(java.lang.String id)` Indicates the start of a new page sequence.
    `void` | `startPageTrailer()` Indicates the start of the page trailer.
    `boolean` | `supportsPagesOutOfOrder()` Indicates whether the painter supports to handle the pages in mixed order rather than ascending order.

- - ### Method Detail

    - #### getContext

          IFContext getContext()

      Returns the associated intermediate format context object.
      Returns:
        the context object

    - #### setResult

          void setResult(javax.xml.transform.Result result)
                  throws IFException

      Sets the JAXP Result object to receive the generated content.
      Parameters:
        `result` - the JAXP Result object to receive the generated content
      Throws:
        `IFException` - if an error occurs setting up the output

    - #### setFontInfo

          void setFontInfo(FontInfo fontInfo)

      Sets the font set to work with.
      Parameters:
        `fontInfo` - the font info object

    - #### getFontInfo

          FontInfo getFontInfo()

      Returns the font set to work with.
      Returns:
        the font info object

    - #### setDefaultFontInfo

          void setDefaultFontInfo(FontInfo fontInfo)

      Sets the default font set (with no custom configuration).
      Parameters:
        `fontInfo` - the font info object to populate

    - #### getConfigurator

          IFDocumentHandlerConfigurator getConfigurator()

      Returns the configurator for this document handler, if any.
      Returns:
        the configurator or null if there's no configurator

    - #### getStructureTreeEventHandler

          StructureTreeEventHandler getStructureTreeEventHandler()

      Returns:
        the structure tree builder

    - #### getDocumentNavigationHandler

          IFDocumentNavigationHandler getDocumentNavigationHandler()

      Returns a document navigation handler if this feature is supported.
      Returns:
        the document navigation handler or null if not supported

    - #### supportsPagesOutOfOrder

          boolean supportsPagesOutOfOrder()

      Indicates whether the painter supports to handle the pages in mixed order rather than ascending order.
      Returns:
        true if out-of-order handling is supported

    - #### getMimeType

          java.lang.String getMimeType()

      Returns the MIME type of the output format that is generated by this implementation.
      Returns:
        the MIME type

    - #### startDocument

          void startDocument()
                      throws IFException

      Indicates the start of a document. This method may only be called once before any other event method.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endDocument

          void endDocument()
                    throws IFException

      Indicates the end of a document. This method may only be called once after the whole document has been handled. Implementations can release resources (close streams). It is an error to call any event method after this method.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### setDocumentLocale

          void setDocumentLocale(java.util.Locale locale)

      Parameters:
        `locale` - Locale of the document.

    - #### startDocumentHeader

          void startDocumentHeader()
                            throws IFException

      Indicates the start of the document header. This method is called right after the `startDocument()` method. Extensions sent to this painter between `startDocumentHeader()` and `endDocumentHeader()` apply to the document as a whole (like document metadata).
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endDocumentHeader

          void endDocumentHeader()
                          throws IFException

      Indicates the end of the document header. This method is called before the first page sequence.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startDocumentTrailer

          void startDocumentTrailer()
                             throws IFException

      Indicates the start of the document trailer. This method is called after the last page sequence. Extensions sent to the painter between `startDocumentTrailer()` and `endDocumentTrailer()` apply to the document as a whole and is used for document-level content that is only known after all pages have been rendered (like named destinations or the bookmark tree).
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endDocumentTrailer

          void endDocumentTrailer()
                           throws IFException

      Indicates the end of the document trailer. This method is called right before the `endDocument()` method.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startPageSequence

          void startPageSequence(java.lang.String id)
                          throws IFException

      Indicates the start of a new page sequence.
      Parameters:
        `id` - the page sequence's identifier (or null if none is available)
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endPageSequence

          void endPageSequence()
                        throws IFException

      Indicates the end of a page sequence.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startPage

          void startPage(int index,
                         java.lang.String name,
                         java.lang.String pageMasterName,
                         java.awt.Dimension size)
                  throws IFException

      Indicates the start of a new page.
      Parameters:
        `index` - the index of the page (0-based)
        `name` - the page name (usually the formatted page number)
        `pageMasterName` - the name of the simple-page-master that generated this page
        `size` - the size of the page (equivalent to the MediaBox in PDF)
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endPage

          void endPage()
                throws IFException

      Indicates the end of a page
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startPageHeader

          void startPageHeader()
                        throws IFException

      Indicates the start of the page header.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endPageHeader

          void endPageHeader()
                      throws IFException

      Indicates the end of the page header.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startPageContent

          IFPainter startPageContent()
                              throws IFException

      Indicates the start of the page content. The method returns an `IFPainter` interface which is used to paint the page contents.
      Returns:
        the IFPainter for the page content
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endPageContent

          void endPageContent()
                       throws IFException

      Indicates the end of the page content. Calls to the `IFPainter` returned by the respective `startPageContent()` method are illegal.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### startPageTrailer

          void startPageTrailer()
                         throws IFException

      Indicates the start of the page trailer. The page trailer is used for writing down page elements which are only know after handling the page itself (like PDF targets).
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### endPageTrailer

          void endPageTrailer()
                       throws IFException

      Indicates the end of the page trailer.
      Throws:
        `IFException` - if an error occurs while handling this event

    - #### handleExtensionObject

          void handleExtensionObject(java.lang.Object extension)
                              throws IFException

      Handles an extension object. This can be a DOM document or any arbitrary object. If an implementation doesn't know how to handle a particular extension it is simply ignored.
      Parameters:
        `extension` - the extension object
      Throws:
        `IFException` - if an error occurs while handling this event

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