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## org.apache.fop.pdf
Interface PDFImage

All Known Implementing Classes:
  AbstractImageAdapter, AlphaRasterImage, BitmapImage, ImageRawCCITTFaxAdapter, ImageRawJPEGAdapter, ImageRawPNGAdapter, ImageRenderedAdapter

    public interface PDFImage

Interface for a PDF image. This is used for inserting an image into PDF.

Method Summary
`int` | `getBitsPerComponent()` Get the bits per color component for this image.
`PDFDeviceColorSpace` | `getColorSpace()` Get the color space for this image.
`java.lang.String` | `getFilterHint()` Returns a hint in form of a String (Possible values from PDFFilterList) indicating which filter setup should be used to encode the object.
`int` | `getHeight()` Get the image height in pixels.
`PDFICCStream` | `getICCStream()` Get the ICC stream for this image.
`java.lang.String` | `getKey()` Key to look up XObject.
`java.lang.String` | `getMask()` Get the PDF reference for a bitmap mask.
`PDFFilter` | `getPDFFilter()` Get the PDF Filter to be applied to the image.
`PDFReference` | `getSoftMaskReference()` Get the PDF reference for a soft mask.
`PDFColor` | `getTransparentColor()` Get the transparent color.
`int` | `getWidth()` Get the image width in pixels.
`boolean` | `isInverted()`
`boolean` | `isPS()` Check if this image is a PostScript image.
`boolean` | `isTransparent()` Check if this image has a transparent color transparency.
`boolean` | `multipleFiltersAllowed()` Indicates whether multiple image filters are allowed; this is implemented because Adobe Reader does not like multiple FlateDecode filters applied to an image even though that allowed by the PDF spec; this is probable due to security concerns since many PDF malware exploits, like zip bombs, make use of a chain of FlateDecode filters.
`void` | `outputContents(java.io.OutputStream out)` Writes the raw, unencoded contents of the image to a given output stream.
`void` | `populateXObjectDictionary(PDFDictionary dict)` Populates the XObject's dictionary with additional values.
`void` | `setup(PDFDocument doc)` Setup the PDF image for the current document.

Method Detail

### getKey

    java.lang.String getKey()

  Key to look up XObject. This should be a unique key to refer to the image.

  Returns:
    the key for this image

### setup

    void setup(PDFDocument doc)

  Setup the PDF image for the current document. Some image formats may need to access the document (for example to add an ICC profile to the document).

  Parameters:
    `doc` - the PDF parent document (todo) Remove this and delegate to the XObject

### getWidth

    int getWidth()

  Get the image width in pixels.

  Returns:
    the image width

### getHeight

    int getHeight()

  Get the image height in pixels.

  Returns:
    the image height

### getColorSpace

    PDFDeviceColorSpace getColorSpace()

  Get the color space for this image. Possible results are: DeviceGray, DeviceRGB, or DeviceCMYK

  Returns:
    the color space

### getBitsPerComponent

    int getBitsPerComponent()

  Get the bits per color component for this image.

  Returns:
    the bits per component

### isPS

    boolean isPS()

  Check if this image is a PostScript image.

  Returns:
    true if this is a PostScript image

### isTransparent

    boolean isTransparent()

  Check if this image has a transparent color transparency.

  Returns:
    true if it has transparency

### getTransparentColor

    PDFColor getTransparentColor()

  Get the transparent color.

  Returns:
    the transparent color for this image

### getMask

    java.lang.String getMask()

  Get the PDF reference for a bitmap mask.

  Returns:
    the PDF reference for the mask image

### getSoftMaskReference

    PDFReference getSoftMaskReference()

  Get the PDF reference for a soft mask.

  Returns:
    the PDF reference for a soft mask image (or null if there's no soft mask)

### isInverted

    boolean isInverted()

  Returns:
    true for CMYK images generated by Adobe Photoshop

### getPDFFilter

    PDFFilter getPDFFilter()

  Get the PDF Filter to be applied to the image.

  Returns:
    the PDF Filter or null

### outputContents

    void outputContents(java.io.OutputStream out)
                        throws java.io.IOException

  Writes the raw, unencoded contents of the image to a given output stream.

  Parameters:
    `out` - OutputStream to write to
  Throws:
    `java.io.IOException` - if there creating stream

### populateXObjectDictionary

    void populateXObjectDictionary(PDFDictionary dict)

  Populates the XObject's dictionary with additional values. The values are added to the dictionary after all the values obtained from other methods from this interface have been put into the dictionary. That allows to override certain values.

  Parameters:
    `dict` - the dictionary to fill

### getICCStream

    PDFICCStream getICCStream()

  Get the ICC stream for this image.

  Returns:
    the ICC stream for this image if any

### getFilterHint

    java.lang.String getFilterHint()

  Returns a hint in form of a String (Possible values from PDFFilterList) indicating which filter setup should be used to encode the object.

  Returns:
    the filter setup hint

### multipleFiltersAllowed

    boolean multipleFiltersAllowed()

  Indicates whether multiple image filters are allowed; this is implemented because Adobe Reader does not like multiple FlateDecode filters applied to an image even though that allowed by the PDF spec; this is probable due to security concerns since many PDF malware exploits, like zip bombs, make use of a chain of FlateDecode filters.

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