Field Detail

• document

  protected final PDDocument document

Constructor Detail

• PDFRenderer

  public PDFRenderer(PDDocument document)

  Creates a new PDFRenderer.

  Parameters:

  document - the document to render

Method Detail

• renderImage

  public BufferedImage renderImage(int pageIndex)
                            throws IOException

  Returns the given page as an RGB image at 72 DPI

  Parameters:

  pageIndex - the zero-based index of the page to be converted.

  Returns:

  the rendered page image

  Throws:

  IOException - if the PDF cannot be read

• renderImage

  public BufferedImage renderImage(int pageIndex,
                          float scale)
                            throws IOException

  Returns the given page as an RGB image at the given scale. A scale of 1 will render at 72 DPI.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  scale - the scaling factor, where 1 = 72 DPI

  Returns:

  the rendered page image

  Throws:

  IOException - if the PDF cannot be read

• renderImageWithDPI

  public BufferedImage renderImageWithDPI(int pageIndex,
                                 float dpi)
                                   throws IOException

  Returns the given page as an RGB image at the given DPI.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  dpi - the DPI (dots per inch) to render at

  Returns:

  the rendered page image

  Throws:

  IOException - if the PDF cannot be read

• renderImageWithDPI

  public BufferedImage renderImageWithDPI(int pageIndex,
                                 float dpi,
                                 ImageType imageType)
                                   throws IOException

  Returns the given page as an RGB image at the given DPI.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  dpi - the DPI (dots per inch) to render at

  imageType - the type of image to return

  Returns:

  the rendered page image

  Throws:

  IOException - if the PDF cannot be read

• renderImage

  public BufferedImage renderImage(int pageIndex,
                          float scale,
                          ImageType imageType)
                            throws IOException

  Returns the given page as an RGB or ARGB image at the given scale.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  scale - the scaling factor, where 1 = 72 DPI

  imageType - the type of image to return

  Returns:

  the rendered page image

  Throws:

  IOException - if the PDF cannot be read

• renderPageToGraphics

  public void renderPageToGraphics(int pageIndex,
                          Graphics2D graphics)
                            throws IOException

  Renders a given page to an AWT Graphics2D instance.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  graphics - the Graphics2D on which to draw the page

  Throws:

  IOException - if the PDF cannot be read

• renderPageToGraphics

  public void renderPageToGraphics(int pageIndex,
                          Graphics2D graphics,
                          float scale)
                            throws IOException

  Renders a given page to an AWT Graphics2D instance.

  Parameters:

  pageIndex - the zero-based index of the page to be converted

  graphics - the Graphics2D on which to draw the page

  scale - the scale to draw the page at

  Throws:

  IOException - if the PDF cannot be read

• createPageDrawer

  protected PageDrawer createPageDrawer(PageDrawerParameters parameters)
                                 throws IOException

  Returns a new PageDrawer instance, using the given parameters. May be overridden.

  Throws:

  IOException