Class Image

java.lang.Object
com.aowagie.text.Rectangle
com.aowagie.text.Image
All Implemented Interfaces:
Element
Direct Known Subclasses:
ImgCCITT, ImgJBIG2, ImgRaw, ImgTemplate, ImgWMF, Jpeg, Jpeg2000
public abstract class Image extends Rectangle
An Image is the representation of a graphic element (JPEG, PNG or GIF) that has to be inserted into the document
See Also:

  • Field Details

    • LEFT

      public static final int LEFT
      this is a kind of image alignment.
      See Also:

    • MIDDLE

      public static final int MIDDLE
      this is a kind of image alignment.
      See Also:

    • TEXTWRAP

      public static final int TEXTWRAP
      this is a kind of image alignment.
      See Also:

    • UNDERLYING

      public static final int UNDERLYING
      this is a kind of image alignment.
      See Also:

    • CX

      public static final int CX
      This represents a coordinate in the transformation matrix.
      See Also:

    • CY

      public static final int CY
      This represents a coordinate in the transformation matrix.
      See Also:

    • ORIGINAL_PNG

      public static final int ORIGINAL_PNG
      type of image
      See Also:

    • ORIGINAL_GIF

      public static final int ORIGINAL_GIF
      type of image
      See Also:

    • ORIGINAL_BMP

      public static final int ORIGINAL_BMP
      type of image
      See Also:

    • ORIGINAL_TIFF

      public static final int ORIGINAL_TIFF
      type of image
      See Also:

    • type

      protected int type
      The image type.

    • url

      protected URL url
      The URL of the image.

    • rawData

      protected byte[] rawData
      The raw data of the image.

    • bpc

      protected int bpc
      The bits per component of the raw image. It also flags a CCITT image.

    • plainWidth

      protected float plainWidth
      This is the width of the image without rotation.

    • plainHeight

      protected float plainHeight
      This is the width of the image without rotation.

    • scaledWidth

      protected float scaledWidth
      This is the scaled width of the image taking rotation into account.

    • scaledHeight

      protected float scaledHeight
      This is the original height of the image taking rotation into account.

    • originalType

      protected int originalType
      Holds value of property originalType.

    • originalData

      protected byte[] originalData
      Holds value of property originalData.

    • dpiX

      protected int dpiX
      Holds value of property dpiX.

    • dpiY

      protected int dpiY
      Holds value of property dpiY.

    • colorspace

      protected int colorspace
      this is the colorspace of a jpeg-image.

    • invert

      protected boolean invert
      Image color inversion

  • Constructor Details

    • Image

      protected Image(Image image)
      Constructs an Image -object, using an url .
      Parameters:
      image - another Image object.

  • Method Details

    • getInstance

      public static Image getInstance(String filename) throws BadElementException, MalformedURLException, IOException
      Gets an instance of an Image.
      Parameters:
      filename - a filename
      Returns:
      an object of type Gif,Jpeg or Png
      Throws:
      BadElementException - on error
      MalformedURLException - on error
      IOException - on error

    • getInstance

      public static Image getInstance(byte[] imgb) throws BadElementException, MalformedURLException, IOException
      gets an instance of an Image
      Parameters:
      imgb - raw image date
      Returns:
      an Image object
      Throws:
      BadElementException - on error
      MalformedURLException - on error
      IOException - on error

    • getInstance

      public static Image getInstance(int width, int height, int components, int bpc, byte[] data) throws BadElementException
      Gets an instance of an Image in raw mode.
      Parameters:
      width - the width of the image in pixels
      height - the height of the image in pixels
      components - 1,3 or 4 for GrayScale, RGB and CMYK
      bpc - bits per component
      data - the image data
      Returns:
      an object of type ImgRaw
      Throws:
      BadElementException - on error

    • getInstance

      public static Image getInstance(int width, int height, boolean reverseBits, int typeCCITT, int parameters, byte[] data) throws BadElementException
      Creates an Image with CCITT G3 or G4 compression. It assumes that the data bytes are already compressed.
      Parameters:
      width - the exact width of the image
      height - the exact height of the image
      reverseBits - reverses the bits in data. Bit 0 is swapped with bit 7 and so on
      typeCCITT - the type of compression in data. It can be CCITTG4, CCITTG31D, CCITTG32D
      parameters - parameters associated with this stream. Possible values are CCITT_BLACKIS1, CCITT_ENCODEDBYTEALIGN, CCITT_ENDOFLINE and CCITT_ENDOFBLOCK or a combination of them
      data - the image data
      Returns:
      an Image object
      Throws:
      BadElementException - on error

    • getInstance

      public static Image getInstance(PdfTemplate template) throws BadElementException
      gets an instance of an Image
      Parameters:
      template - a PdfTemplate that has to be wrapped in an Image object
      Returns:
      an Image object
      Throws:
      BadElementException - on error

    • getInstance

      public static Image getInstance(Image image, Color color, boolean forceBW) throws BadElementException, IOException
      Gets an instance of an Image from a java.awt.Image.
      Parameters:
      image - the java.awt.Image to convert
      color - if different from null the transparency pixels are replaced by this color
      forceBW - if true the image is treated as black and white
      Returns:
      an object of type ImgRaw
      Throws:
      BadElementException - on error
      IOException - on error

    • getInstance

      public static Image getInstance(Image image, Color color) throws BadElementException, IOException
      Gets an instance of an Image from a java.awt.Image.
      Parameters:
      image - the java.awt.Image to convert
      color - if different from null the transparency pixels are replaced by this color
      Returns:
      an object of type ImgRaw
      Throws:
      BadElementException - on error
      IOException - on error

    • getDirectReference

      public PdfIndirectReference getDirectReference()
      Getter for property directReference.
      Returns:
      Value of property directReference.

    • setDirectReference

      public void setDirectReference(PdfIndirectReference directReference)
      Setter for property directReference.
      Parameters:
      directReference - New value of property directReference.

    • getInstance

      public static Image getInstance(Image image)
      gets an instance of an Image
      Parameters:
      image - an Image object
      Returns:
      a new Image object

    • type

      public int type()
      Returns the type.
      Specified by:
      type in interface Element
      Overrides:
      type in class Rectangle
      Returns:
      a type

    • isNestable

      public boolean isNestable()
      Description copied from interface: Element
      Checks if this element is nestable.
      Specified by:
      isNestable in interface Element
      Overrides:
      isNestable in class Rectangle
      Returns:
      true if this element can be nested inside other elements.
      Since:
      iText 2.0.8
      See Also:

    • isJpeg

      public boolean isJpeg()
      Returns true if the image is a Jpeg -object.
      Returns:
      a boolean

    • isImgRaw

      public boolean isImgRaw()
      Returns true if the image is a ImgRaw -object.
      Returns:
      a boolean

    • isImgTemplate

      public boolean isImgTemplate()
      Returns true if the image is an ImgTemplate -object.
      Returns:
      a boolean

    • getUrl

      public URL getUrl()
      Gets the String -representation of the reference to the image.
      Returns:
      a String

    • setUrl

      public void setUrl(URL url)
      Sets the url of the image
      Parameters:
      url - the url of the image

    • getRawData

      public byte[] getRawData()
      Gets the raw data for the image.

      Remark: this only makes sense for Images of the type RawImage .

      Returns:
      the raw data

    • getBpc

      public int getBpc()
      Gets the bpc for the image.

      Remark: this only makes sense for Images of the type RawImage .

      Returns:
      a bpc value

    • getTemplateData

      public PdfTemplate getTemplateData()
      Gets the template to be used as an image.

      Remark: this only makes sense for Images of the type ImgTemplate .

      Returns:
      the template

    • setTemplateData

      public void setTemplateData(PdfTemplate template)
      Sets data from a PdfTemplate
      Parameters:
      template - the template with the content

    • getAlignment

      public int getAlignment()
      Gets the alignment for the image.
      Returns:
      a value

    • setAlignment

      public void setAlignment(int alignment)
      Sets the alignment for the image.
      Parameters:
      alignment - the alignment

    • getAlt

      public String getAlt()
      Gets the alternative text for the image.
      Returns:
      a String

    • setAlt

      public void setAlt(String alt)
      Sets the alternative information for the image.
      Parameters:
      alt - the alternative information

    • setAbsolutePosition

      public void setAbsolutePosition(float absoluteX, float absoluteY)
      Sets the absolute position of the Image.
      Parameters:
      absoluteX - X
      absoluteY - Y

    • hasAbsoluteX

      public boolean hasAbsoluteX()
      Checks if the Images has to be added at an absolute X position.
      Returns:
      a boolean

    • getAbsoluteX

      public float getAbsoluteX()
      Returns the absolute X position.
      Returns:
      a position

    • hasAbsoluteY

      public boolean hasAbsoluteY()
      Checks if the Images has to be added at an absolute position.
      Returns:
      a boolean

    • getAbsoluteY

      public float getAbsoluteY()
      Returns the absolute Y position.
      Returns:
      a position

    • getScaledWidth

      public float getScaledWidth()
      Gets the scaled width of the image.
      Returns:
      a value

    • getScaledHeight

      public float getScaledHeight()
      Gets the scaled height of the image.
      Returns:
      a value

    • getPlainWidth

      public float getPlainWidth()
      Gets the plain width of the image.
      Returns:
      a value

    • getPlainHeight

      public float getPlainHeight()
      Gets the plain height of the image.
      Returns:
      a value

    • scaleAbsolute

      public void scaleAbsolute(float newWidth, float newHeight)
      Scale the image to an absolute width and an absolute height.
      Parameters:
      newWidth - the new width
      newHeight - the new height

    • scaleAbsoluteWidth

      public void scaleAbsoluteWidth(float newWidth)
      Scale the image to an absolute width.
      Parameters:
      newWidth - the new width

    • scaleAbsoluteHeight

      public void scaleAbsoluteHeight(float newHeight)
      Scale the image to an absolute height.
      Parameters:
      newHeight - the new height

    • scalePercent

      public void scalePercent(float percent)
      Scale the image to a certain percentage.
      Parameters:
      percent - the scaling percentage

    • scaleToFit

      public void scaleToFit(float fitWidth, float fitHeight)
      Scales the image so that it fits a certain width and height.
      Parameters:
      fitWidth - the width to fit
      fitHeight - the height to fit

    • matrix

      public float[] matrix()
      Returns the transformation matrix of the image.
      Returns:
      an array [AX, AY, BX, BY, CX, CY, DX, DY]

    • getMySerialId

      public Long getMySerialId()
      Returns a serial id for the Image (reuse the same image more than once)
      Returns:
      a serialId

    • getImageRotation

      public float getImageRotation()
      Gets the current image rotation in radians.
      Returns:
      the current image rotation in radians

    • setRotation

      public void setRotation(float r)
      Sets the rotation of the image in radians.
      Parameters:
      r - rotation in radians

    • setRotationDegrees

      public void setRotationDegrees(float deg)
      Sets the rotation of the image in degrees.
      Parameters:
      deg - rotation in degrees

    • getInitialRotation

      public float getInitialRotation()
      Getter for property initialRotation.
      Returns:
      Value of property initialRotation.

    • setInitialRotation

      public void setInitialRotation(float initialRotation)
      Some image formats, like TIFF may present the images rotated that have to be compensated.
      Parameters:
      initialRotation - New value of property initialRotation.

    • getIndentationLeft

      public float getIndentationLeft()
      Gets the left indentation.
      Returns:
      the left indentation

    • setIndentationLeft

      public void setIndentationLeft(float f)
      Sets the left indentation.
      Parameters:
      f - Identation

    • getIndentationRight

      public float getIndentationRight()
      Gets the right indentation.
      Returns:
      the right indentation

    • setIndentationRight

      public void setIndentationRight(float f)
      Sets the right indentation.
      Parameters:
      f - Identation

    • getSpacingBefore

      public float getSpacingBefore()
      Gets the spacing before this image.
      Returns:
      the spacing

    • setSpacingBefore

      public void setSpacingBefore(float spacing)
      Sets the spacing before this image.
      Parameters:
      spacing - the new spacing

    • getSpacingAfter

      public float getSpacingAfter()
      Gets the spacing before this image.
      Returns:
      the spacing

    • setSpacingAfter

      public void setSpacingAfter(float spacing)
      Sets the spacing after this image.
      Parameters:
      spacing - the new spacing

    • getWidthPercentage

      public float getWidthPercentage()
      Getter for property widthPercentage.
      Returns:
      Value of property widthPercentage.

    • setWidthPercentage

      public void setWidthPercentage(float widthPercentage)
      Setter for property widthPercentage.
      Parameters:
      widthPercentage - New value of property widthPercentage.

    • setAnnotation

      public void setAnnotation(Annotation annotation)
      Sets the annotation of this Image.
      Parameters:
      annotation - the annotation

    • getAnnotation

      public Annotation getAnnotation()
      Gets the annotation.
      Returns:
      the annotation that is linked to this image

    • getLayer

      public PdfOCG getLayer()
      Gets the layer this image belongs to.
      Returns:
      the layer this image belongs to or null for no layer defined

    • setLayer

      public void setLayer(PdfOCG layer)
      Sets the layer this image belongs to.
      Parameters:
      layer - the layer this image belongs to

    • isInterpolation

      public boolean isInterpolation()
      Getter for property interpolation.
      Returns:
      Value of property interpolation.

    • setInterpolation

      public void setInterpolation(boolean interpolation)
      Sets the image interpolation. Image interpolation attempts to produce a smooth transition between adjacent sample values.
      Parameters:
      interpolation - New value of property interpolation.

    • getOriginalType

      public int getOriginalType()
      Getter for property originalType.
      Returns:
      Value of property originalType.

    • setOriginalType

      public void setOriginalType(int originalType)
      Setter for property originalType.
      Parameters:
      originalType - New value of property originalType.

    • getOriginalData

      public byte[] getOriginalData()
      Getter for property originalData.
      Returns:
      Value of property originalData.

    • setOriginalData

      public void setOriginalData(byte[] originalData)
      Setter for property originalData.
      Parameters:
      originalData - New value of property originalData.

    • isDeflated

      public boolean isDeflated()
      Getter for property deflated.
      Returns:
      Value of property deflated.

    • setDeflated

      public void setDeflated(boolean deflated)
      Setter for property deflated.
      Parameters:
      deflated - New value of property deflated.

    • getDpiX

      public int getDpiX()
      Gets the dots-per-inch in the X direction. Returns 0 if not available.
      Returns:
      the dots-per-inch in the X direction

    • getDpiY

      public int getDpiY()
      Gets the dots-per-inch in the Y direction. Returns 0 if not available.
      Returns:
      the dots-per-inch in the Y direction

    • setDpi

      public void setDpi(int dpiX, int dpiY)
      Sets the dots per inch value
      Parameters:
      dpiX - dpi for x coordinates
      dpiY - dpi for y coordinates

    • getXYRatio

      public float getXYRatio()
      Gets the X/Y pixel dimensionless aspect ratio.
      Returns:
      the X/Y pixel dimensionless aspect ratio

    • setXYRatio

      public void setXYRatio(float XYRatio)
      Sets the X/Y pixel dimensionless aspect ratio.
      Parameters:
      XYRatio - the X/Y pixel dimensionless aspect ratio

    • getColorspace

      public int getColorspace()
      Gets the colorspace for the image.

      Remark: this only makes sense for Images of the type Jpeg.

      Returns:
      a colorspace value

    • isInverted

      public boolean isInverted()
      Getter for the inverted value
      Returns:
      true if the image is inverted

    • setInverted

      public void setInverted(boolean invert)
      Sets inverted true or false
      Parameters:
      invert - true or false

    • tagICC

      public void tagICC(ICC_Profile profile)
      Tags this image with an ICC profile.
      Parameters:
      profile - the profile

    • hasICCProfile

      public boolean hasICCProfile()
      Checks is the image has an ICC profile.
      Returns:
      the ICC profile or null

    • getICCProfile

      public ICC_Profile getICCProfile()
      Gets the images ICC profile.
      Returns:
      the ICC profile

    • getAdditional

      public PdfDictionary getAdditional()
      Getter for the dictionary with additional information.
      Returns:
      a PdfDictionary with additional information.

    • setAdditional

      public void setAdditional(PdfDictionary additional)
      Sets the /Colorspace key.
      Parameters:
      additional - a PdfDictionary with additional information.

    • isMask

      public boolean isMask()
      Returns true if this Image is a mask.
      Returns:
      true if this Image is a mask

    • makeMask

      public void makeMask() throws DocumentException
      Make this Image a mask.
      Throws:
      DocumentException - if this Image can not be a mask

    • isMaskCandidate

      public boolean isMaskCandidate()
      Returns true if this Image has the requisites to be a mask.
      Returns:
      true if this Image can be a mask

    • getImageMask

      public Image getImageMask()
      Gets the explicit masking.
      Returns:
      the explicit masking

    • setImageMask

      public void setImageMask(Image mask) throws DocumentException
      Sets the explicit masking.
      Parameters:
      mask - the mask to be applied
      Throws:
      DocumentException - on error

    • isSmask

      public boolean isSmask()
      Getter for property smask.
      Returns:
      Value of property smask.

    • setSmask

      public void setSmask(boolean smask)
      Setter for property smask.
      Parameters:
      smask - New value of property smask.

    • getTransparency

      public int[] getTransparency()
      Returns the transparency.
      Returns:
      the transparency values

    • setTransparency

      public void setTransparency(int[] transparency)
      Sets the transparency values
      Parameters:
      transparency - the transparency values

    • getCompressionLevel

      public int getCompressionLevel()
      Returns the compression level used for images written as a compressed stream.
      Returns:
      the compression level (0 = best speed, 9 = best compression, -1 is default)
      Since:
      2.1.3

    • setCompressionLevel

      public void setCompressionLevel(int compressionLevel)
      Sets the compression level to be used if the image is written as a compressed stream.
      Parameters:
      compressionLevel - a value between 0 (best speed) and 9 (best compression)
      Since:
      2.1.3