Package org.openpdf.text

Class Jpeg

java.lang.Object

org.openpdf.text.Rectangle

org.openpdf.text.Image

org.openpdf.text.Jpeg

All Implemented Interfaces:

Element

public class Jpeg
extends Image

An Jpeg is the representation of a graphic element (JPEG) that has to be inserted into the document

See Also:

• Element
• Image

Field Summary

Fields

Modifier and Type	Field	Description
private byte[][]	icc
static final byte[]	JFIF_ID	sequence that is used in all Jpeg files
static final int	M_APP0	Marker value
static final int	M_APP2	Marker value
static final int	M_APPE	Marker value
static final int	NOPARAM_MARKER	This is a type of marker.
static final int[]	NOPARAM_MARKERS	Jpeg markers without additional parameters.
static final int	NOT_A_MARKER	This is a type of marker.
static final int	UNSUPPORTED_MARKER	This is a type of marker.
static final int[]	UNSUPPORTED_MARKERS	Unsupported Jpeg markers.
static final int	VALID_MARKER	This is a type of marker.
static final int[]	VALID_MARKERS	Acceptable Jpeg markers.

Fields inherited from class org.openpdf.text.Image

absoluteX, absoluteY, alignment, alt, annotation, AX, AY, bpc, BX, BY, colorspace, compressionLevel, CX, CY, DEFAULT, deflated, dpiX, dpiY, DX, DY, imageMask, indentationLeft, indentationRight, interpolation, invert, layer, LEFT, mask, MIDDLE, mySerialId, ORIGINAL_BMP, ORIGINAL_GIF, ORIGINAL_JBIG2, ORIGINAL_JPEG, ORIGINAL_JPEG2000, ORIGINAL_NONE, ORIGINAL_PNG, ORIGINAL_PS, ORIGINAL_TIFF, ORIGINAL_WMF, originalData, originalType, plainHeight, plainWidth, PNGID, profile, rawData, RIGHT, rotationRadians, scaledHeight, scaledWidth, serialId, spacingAfter, spacingBefore, template, TEXTWRAP, transparency, type, UNDERLYING, url

Fields inherited from class org.openpdf.text.Rectangle

backgroundColor, border, borderColor, borderColorBottom, borderColorLeft, borderColorRight, borderColorTop, borderWidth, borderWidthBottom, borderWidthLeft, borderWidthRight, borderWidthTop, BOTTOM, BOX, llx, lly, NO_BORDER, offsetToTop, rotation, TOP, UNDEFINED, urx, ury, useVariableBorders

Fields inherited from interface org.openpdf.text.Element

ALIGN_BASELINE, ALIGN_BOTTOM, ALIGN_CENTER, ALIGN_JUSTIFIED, ALIGN_JUSTIFIED_ALL, ALIGN_LEFT, ALIGN_MIDDLE, ALIGN_RIGHT, ALIGN_TOP, ALIGN_UNDEFINED, ANCHOR, ANNOTATION, AUTHOR, CCITT_BLACKIS1, CCITT_ENCODEDBYTEALIGN, CCITT_ENDOFBLOCK, CCITT_ENDOFLINE, CCITTG3_1D, CCITTG3_2D, CCITTG4, CELL, CHAPTER, CHUNK, CREATIONDATE, CREATOR, FOOTNOTE, HEADER, IMGRAW, IMGTEMPLATE, JBIG2, JPEG, JPEG2000, KEYWORDS, LIST, LISTITEM, MARKED, MODIFICATIONDATE, MULTI_COLUMN_TEXT, PARAGRAPH, PHRASE, PRODUCER, PTABLE, RECTANGLE, ROW, SECTION, SUBJECT, TABLE, TITLE, YMARK

Constructor Summary

Constructors

Constructor	Description
Jpeg(byte[] img)	Constructs a Jpeg-object from memory.
Jpeg(byte[] img, float width, float height)	Constructs a Jpeg-object from memory.
Jpeg(URL url)	Constructs a Jpeg-object, using an url.
Jpeg(Image image)

Method Summary

Modifier and Type	Method	Description
private static int	getShort(InputStream is)	Reads a short from the InputStream.
private static int	marker(int marker)	Returns a type of marker.
private void	processParameters()	This method checks if the image is a valid JPEG and processes some parameters.

Methods inherited from class org.openpdf.text.Image

getAbsoluteX, getAbsoluteY, getAdditional, getAlignment, getAlt, getAnnotation, getBpc, getColorspace, getCompressionLevel, getDirectReference, getDpiX, getDpiY, getICCProfile, getImageMask, getImageRotation, getIndentationLeft, getIndentationRight, getInitialRotation, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstance, getInstanceFromClasspath, getLayer, getMySerialId, getOriginalData, getOriginalType, getPlainHeight, getPlainWidth, getRawData, getScaledHeight, getScaledWidth, getSerialId, getSpacingAfter, getSpacingBefore, getTemplateData, getTransparency, getUrl, getWidthPercentage, getXYRatio, hasAbsoluteX, hasAbsoluteY, hasICCProfile, isDeflated, isImgRaw, isImgTemplate, isInterpolation, isInverted, isJpeg, isMask, isMaskCandidate, isNestable, isSmask, makeMask, matrix, scaleAbsolute, scaleAbsoluteHeight, scaleAbsoluteWidth, scalePercent, scalePercent, scaleToFit, setAbsolutePosition, setAdditional, setAlignment, setAlt, setAnnotation, setCompressionLevel, setDeflated, setDirectReference, setDpi, setImageMask, setIndentationLeft, setIndentationRight, setInitialRotation, setInterpolation, setInverted, setLayer, setOriginalData, setOriginalType, setRotation, setRotationDegrees, setSmask, setSpacingAfter, setSpacingBefore, setTemplateData, setTransparency, setUrl, setWidthPercentage, setXYRatio, simplifyColorspace, tagICC, type

Methods inherited from class org.openpdf.text.Rectangle

cloneNonPositionParameters, disableBorderSide, enableBorderSide, getBackgroundColor, getBorder, getBorderColor, getBorderColorBottom, getBorderColorLeft, getBorderColorRight, getBorderColorTop, getBorderWidth, getBorderWidthBottom, getBorderWidthLeft, getBorderWidthRight, getBorderWidthTop, getBottom, getBottom, getChunks, getGrayFill, getHeight, getLeft, getLeft, getRelativeTop, getRight, getRight, getRotation, getTop, getTop, getWidth, hasBorder, hasBorders, isContent, isUseVariableBorders, normalize, process, rectangle, rotate, setBackgroundColor, setBorder, setBorderColor, setBorderColorBottom, setBorderColorLeft, setBorderColorRight, setBorderColorTop, setBorderWidth, setBorderWidthBottom, setBorderWidthLeft, setBorderWidthRight, setBorderWidthTop, setBottom, setGrayFill, setLeft, setRelativeTop, setRight, setRotation, setTop, setUseVariableBorders, softCloneNonPositionParameters, toString

Methods inherited from class java.lang.Object

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

Field Details

NOT_A_MARKER

public static final int NOT_A_MARKER

This is a type of marker.

See Also:

• Constant Field Values

VALID_MARKER

public static final int VALID_MARKER

This is a type of marker.

See Also:

• Constant Field Values

VALID_MARKERS

public static final int[] VALID_MARKERS

Acceptable Jpeg markers.

UNSUPPORTED_MARKER

public static final int UNSUPPORTED_MARKER

This is a type of marker.

See Also:

• Constant Field Values

UNSUPPORTED_MARKERS

public static final int[] UNSUPPORTED_MARKERS

Unsupported Jpeg markers.

NOPARAM_MARKER

public static final int NOPARAM_MARKER

This is a type of marker.

See Also:

• Constant Field Values

NOPARAM_MARKERS

public static final int[] NOPARAM_MARKERS

Jpeg markers without additional parameters.

M_APP0

public static final int M_APP0

Marker value

See Also:

• Constant Field Values

M_APP2

public static final int M_APP2

Marker value

See Also:

• Constant Field Values

M_APPE

public static final int M_APPE

Marker value

See Also:

• Constant Field Values

JFIF_ID

public static final byte[] JFIF_ID

sequence that is used in all Jpeg files

icc

private byte[][] icc

Constructor Details

Jpeg

Jpeg(Image image)

Jpeg

public Jpeg(URL url)
     throws BadElementException,
IOException

Constructs a Jpeg-object, using an url.

Parameters:

url - the URL where the image can be found

Throws:

BadElementException - on error

IOException - on error

Jpeg

public Jpeg(byte[] img)
     throws BadElementException,
IOException

Constructs a Jpeg-object from memory.

Parameters:

img - the memory image

Throws:

BadElementException - on error

IOException - on error

Jpeg

public Jpeg(byte[] img,
 float width,
 float height)
     throws BadElementException,
IOException

Constructs a Jpeg-object from memory.

Parameters:

img - the memory image.

width - the width you want the image to have

height - the height you want the image to have

Throws:

BadElementException - on error

IOException - on error

Method Details

getShort

private static int getShort(InputStream is)
                     throws IOException

Reads a short from the InputStream.

Parameters:

is - the InputStream

Returns:

an int

Throws:

IOException - on error

marker

private static int marker(int marker)

Returns a type of marker.

Parameters:

marker - an int

Returns:

a type: VALID_MARKER, UNSUPPORTED_MARKER or NOPARAM_MARKER

processParameters

private void processParameters()
                        throws BadElementException,
IOException

This method checks if the image is a valid JPEG and processes some parameters.

TODO: Use Apache Commons Imaging to parse these parameters instead.

Throws:

BadElementException

IOException