org.apache.fop.render.bitmap

## Class PNGDocumentHandler

- java.lang.Object
- - org.apache.fop.render.intermediate.AbstractIFDocumentHandler
  - - org.apache.fop.render.intermediate.AbstractBinaryWritingIFDocumentHandler
    - - org.apache.fop.render.bitmap.AbstractBitmapDocumentHandler
      - - org.apache.fop.render.bitmap.PNGDocumentHandler

- All Implemented Interfaces:
    IFDocumentHandler

      public class PNGDocumentHandler
      extends AbstractBitmapDocumentHandler

  `IFDocumentHandler` implementation that produces PNG files.

- - ### Field Summary

    - ### Fields inherited from class org.apache.fop.render.bitmap.AbstractBitmapDocumentHandler

      `TARGET_BITMAP_SIZE`

    - ### Fields inherited from class org.apache.fop.render.intermediate.AbstractBinaryWritingIFDocumentHandler

      `fontInfo, outputStream`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `IFDocumentHandlerConfigurator` | `getConfigurator()` Returns the configurator for this document handler, if any.
    `String` | `getDefaultExtension()` Returns the default file extension for the supported image type.
    `String` | `getMimeType()` Returns the MIME type of the output format that is generated by this implementation.

    - ### Methods inherited from class org.apache.fop.render.bitmap.AbstractBitmapDocumentHandler

      `createBufferedImage, endDocument, endDocumentHeader, endPage, endPageContent, endPageSequence, getSettings, handleExtensionObject, setDefaultFontInfo, setTargetBitmapSize, startDocument, startPage, startPageContent, startPageSequence, supportsPagesOutOfOrder`

    - ### Methods inherited from class org.apache.fop.render.intermediate.AbstractBinaryWritingIFDocumentHandler

      `getFontInfo, setFontInfo, setResult`

    - ### Methods inherited from class org.apache.fop.render.intermediate.AbstractIFDocumentHandler

      `endDocumentTrailer, endPageHeader, endPageTrailer, getContext, getDocumentNavigationHandler, getStructureTreeEventHandler, getUserAgent, setDocumentLocale, startDocumentHeader, startDocumentTrailer, startPageHeader, startPageTrailer`

    - ### Methods inherited from class java.lang.Object

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

- - ### Method Detail

    - #### getMimeType

          public String getMimeType()

      Returns the MIME type of the output format that is generated by this implementation.
      Specified by:
        `getMimeType` in interface `IFDocumentHandler`
      Specified by:
        `getMimeType` in class `AbstractBitmapDocumentHandler`
      Returns:
        the MIME type

    - #### getDefaultExtension

          public String getDefaultExtension()

      Returns the default file extension for the supported image type.
      Specified by:
        `getDefaultExtension` in class `AbstractBitmapDocumentHandler`
      Returns:
        the default file extension (ex. "png")

    - #### getConfigurator

          public IFDocumentHandlerConfigurator getConfigurator()

      Returns the configurator for this document handler, if any.
      Specified by:
        `getConfigurator` in interface `IFDocumentHandler`
      Specified by:
        `getConfigurator` in class `AbstractBitmapDocumentHandler`
      Returns:
        the configurator or null if there's no configurator

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