Package org.xhtmlrenderer.test

Class SwingImageReplacer

java.lang.Object
org.xhtmlrenderer.test.ElementReplacer
org.xhtmlrenderer.test.SwingImageReplacer
public class SwingImageReplacer extends ElementReplacer
Author:
patrick

  • Constructor Details

    • SwingImageReplacer

      public SwingImageReplacer()

  • Method Details

    • isElementNameMatch

      public boolean isElementNameMatch()
      Specified by:
      isElementNameMatch in class ElementReplacer

    • getElementNameMatch

      public String getElementNameMatch()
      Specified by:
      getElementNameMatch in class ElementReplacer

    • accept

      public boolean accept(LayoutContext context, Element element)
      Specified by:
      accept in class ElementReplacer

    • replace

      public ReplacedElement replace(LayoutContext context, BlockBox box, UserAgentCallback uac, int cssWidth, int cssHeight)
      Specified by:
      replace in class ElementReplacer

    • clear

      public void clear(Element element)
      Specified by:
      clear in class ElementReplacer

    • reset

      public void reset()
      Specified by:
      reset in class ElementReplacer

    • replaceImage

      protected ReplacedElement replaceImage(UserAgentCallback uac, LayoutContext context, Element elem, int cssWidth, int cssHeight)
      Handles replacement of image elements in the document. May return the same ReplacedElement for a given image on multiple calls. Image will be automatically scaled to cssWidth and cssHeight assuming these are non-zero positive values. The element is assumed to have a src attribute (e.g. it's an element)
      Parameters:
      uac - Used to retrieve images on demand from some source.
      elem - The element with the image reference
      cssWidth - Target width of the image
      cssHeight - Target height of the image @return A ReplacedElement for the image; will not be null.

    • storeImageReplacedElement

      protected void storeImageReplacedElement(Element e, ReplacedElement cc)
      Adds a ReplacedElement containing an image to a cache of images for quick lookup.
      Parameters:
      e - The element under which the image is keyed.
      cc - The replaced element containing the image, or another ReplacedElement to be used in its place (like a placeholder if the image can't be loaded).

    • lookupImageReplacedElement

      protected ReplacedElement lookupImageReplacedElement(Element e)
      Retrieves a ReplacedElement for an image from cache, or null if not found.
      Parameters:
      e - The element by which the image is keyed
      Returns:
      The ReplacedElement for the image, or null if there is none.

    • newIrreplaceableImageElement

      protected ReplacedElement newIrreplaceableImageElement(int cssWidth, int cssHeight)
      Returns a ReplacedElement for some element in the stream which should be replaceable, but is not. This might be the case for an element like img, where the source isn't provided.
      Parameters:
      cssWidth - Target width for the element.
      cssHeight - Target height for the element
      Returns:
      A ReplacedElement to substitute for one that can't be generated.