Package de.erichseifert.vectorgraphics2d.pdf

Class PDFDocument

java.lang.Object

de.erichseifert.vectorgraphics2d.SizedDocument

de.erichseifert.vectorgraphics2d.pdf.PDFDocument

All Implemented Interfaces:

Document

class PDFDocument
extends SizedDocument

Represents a Document in the Portable Document Format (PDF).

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	CHARSET
private final Stream	contents
private final Map<PDFObject,Long>	crossReferences	Cross-reference table ("xref").
private static final String	EOL
private static final String	FOOTER
private static final String	HEADER
private final Map<Integer,PDFObject>	images
private static final double	MM_IN_UNITS	Constant to convert values from millimeters to PostScript®/PDF units (1/72th inch).
private final List<PDFObject>	objects
private Resources	resources
private final Stack<GraphicsState>	states
private static final Map<Integer,Integer>	STROKE_ENDCAPS	Mapping of stroke endcap values from Java to PDF.
private static final Map<Integer,Integer>	STROKE_LINEJOIN	Mapping of line join values for path drawing from Java to PDF.
private boolean	transformed

Constructor Summary

Constructors

Constructor	Description
PDFDocument(CommandSequence commands, PageSize pageSize, boolean compressed)

Method Summary

Modifier and Type	Method	Description
private DefaultPDFObject	addCatalog()
private DefaultPDFObject	addDictionary(Map<String,Object> dict)
private DefaultPDFObject	addObject(Image image)
private DefaultPDFObject	addObject(Map<String,Object> dict, Payload payload)
private DefaultPDFObject	addPage(PDFObject pageTree)
private PDFObject	addPageTree(DefaultPDFObject catalog, List<PDFObject> pages)
private void	applyStateCommands(List<Command<?>> commands)
void	close()
private GraphicsState	getCurrentState()
private int	getId(PDFObject object)
private byte[]	getOutput(GraphicsState state, Resources resources, boolean first)
private static byte[]	getOutput(PDFObject image, double x, double y, double width, double height, Resources resources)
private byte[]	getOutput(Color color)
private static byte[]	getOutput(AffineTransform transform)
private byte[]	getOutput(Shape s)
private byte[]	getOutput(Stroke s)
private static byte[]	getOutput(String str)
private static byte[]	getOutput(String str, double x, double y)
private int	getVersion(PDFObject object)	Returns the version of the specified object.
private Stream	initPage()	Initializes the document and returns a Stream representing the contents.
protected static byte[]	serialize(Stream stream)
protected static byte[]	serialize(TrueTypeFont font)
private byte[]	serialize(Object obj)
private void	setFont(String fontId, float fontSize, Stream contents)
private byte[]	toBytes(Command<?> command)
byte[]	toBytes(PDFObject object)
private byte[]	toBytes(Resources resources)
private byte[]	toBytes(Stream stream)
void	writeTo(OutputStream out)

Methods inherited from class de.erichseifert.vectorgraphics2d.SizedDocument

getPageSize, isCompressed

Methods inherited from class java.lang.Object

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

Field Details

CHARSET

private static final String CHARSET

See Also:

• Constant Field Values

HEADER

private static final String HEADER

See Also:

• Constant Field Values

FOOTER

private static final String FOOTER

See Also:

• Constant Field Values

EOL

private static final String EOL

See Also:

• Constant Field Values

MM_IN_UNITS

private static final double MM_IN_UNITS

Constant to convert values from millimeters to PostScript®/PDF units (1/72th inch).

See Also:

• Constant Field Values

STROKE_ENDCAPS

private static final Map<Integer,Integer> STROKE_ENDCAPS

Mapping of stroke endcap values from Java to PDF.

STROKE_LINEJOIN

private static final Map<Integer,Integer> STROKE_LINEJOIN

Mapping of line join values for path drawing from Java to PDF.

objects

private final List<PDFObject> objects

crossReferences

private final Map<PDFObject,Long> crossReferences

Cross-reference table ("xref").

contents

private final Stream contents

resources

private Resources resources

images

private final Map<Integer,PDFObject> images

states

private final Stack<GraphicsState> states

transformed

private boolean transformed

Constructor Details

PDFDocument

public PDFDocument(CommandSequence commands,
 PageSize pageSize,
 boolean compressed)

Method Details

getCurrentState

private GraphicsState getCurrentState()

initPage

private Stream initPage()

Initializes the document and returns a Stream representing the contents.

Returns:

Stream to which the contents are written.

setFont

private void setFont(String fontId,
 float fontSize,
 Stream contents)

addObject

private DefaultPDFObject addObject(Map<String,Object> dict,
 Payload payload)

addCatalog

private DefaultPDFObject addCatalog()

addPageTree

private PDFObject addPageTree(DefaultPDFObject catalog,
 List<PDFObject> pages)

addPage

private DefaultPDFObject addPage(PDFObject pageTree)

addDictionary

private DefaultPDFObject addDictionary(Map<String,Object> dict)

addObject

private DefaultPDFObject addObject(Image image)

writeTo

public void writeTo(OutputStream out)
             throws IOException

Throws:

IOException

getId

private int getId(PDFObject object)

getVersion

private int getVersion(PDFObject object)

Returns the version of the specified object.

Parameters:

object - PDFObject whose version should be determined.

Returns:

Version number.

toBytes

private byte[] toBytes(Resources resources)

toBytes

private byte[] toBytes(Stream stream)

serialize

protected static byte[] serialize(Stream stream)

serialize

protected static byte[] serialize(TrueTypeFont font)

toBytes

public byte[] toBytes(PDFObject object)

serialize

private byte[] serialize(Object obj)

toBytes

private byte[] toBytes(Command<?> command)

applyStateCommands

private void applyStateCommands(List<Command<?>> commands)

getOutput

private byte[] getOutput(Color color)

getOutput

private byte[] getOutput(Shape s)

getOutput

private byte[] getOutput(GraphicsState state,
 Resources resources,
 boolean first)

getOutput

private byte[] getOutput(Stroke s)

getOutput

private static byte[] getOutput(AffineTransform transform)

getOutput

private static byte[] getOutput(String str,
 double x,
 double y)

getOutput

private static byte[] getOutput(String str)

getOutput

private static byte[] getOutput(PDFObject image,
 double x,
 double y,
 double width,
 double height,
 Resources resources)

close

public void close()