Stream Class Reference

#include </home/clem/local/src/opie/noncore/unsupported/qpdf/xpdf/Stream.h>

Inheritance diagram for Stream:

[legend]List of all members.

Public Member Functions
	Stream ()
virtual	~Stream ()
int	incRef ()
int	decRef ()
virtual StreamKind	getKind ()=0
virtual void	reset ()=0
virtual void	close ()
virtual int	getChar ()=0
virtual int	lookChar ()=0
virtual int	getRawChar ()
virtual char *	getLine (char *buf, int size)
virtual int	getPos ()=0
virtual void	setPos (Guint pos, int dir=0)=0
virtual GString *	getPSFilter (char *indent)
virtual GBool	isBinary (GBool last=gTrue)=0
virtual BaseStream *	getBaseStream ()=0
virtual Dict *	getDict ()=0
virtual GBool	isEncoder ()
Stream *	addFilters (Object *dict)
Private Member Functions
Stream *	makeFilter (char *name, Stream *str, Object *params)
Private Attributes
int	ref

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Constructor & Destructor Documentation

Stream::Stream (   )

Definition at line 56 of file Stream.cc. References ref.

Stream::~Stream (   )  [virtual]

Definition at line 60 of file Stream.cc.

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Member Function Documentation

Stream * Stream::addFilters (  Object *  dict  )

Definition at line 96 of file Stream.cc. References Object::arrayGet(), Object::arrayGetLength(), Object::dictLookup(), error(), Object::free(), Object::getName(), getPos(), i, Object::initNull(), Object::isArray(), Object::isName(), Object::isNull(), makeFilter(), and str. Referenced by Gfx::buildImageStream(), and Parser::makeStream().

void Stream::close (   )  [virtual]

Reimplemented in FilterStream, FileStream, MemStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Definition at line 63 of file Stream.cc. Referenced by FilterStream::close(), OutputDev::drawImage(), QOutputDev::drawImage(), OutputDev::drawImageMask(), QOutputDev::drawImageMask(), PostScriptFunction::PostScriptFunction(), GfxFont::readEmbFontFile(), SampledFunction::SampledFunction(), and PDFDoc::saveAs().

int Stream::decRef (   )  [inline]

Definition at line 54 of file Stream.h. References ref.

virtual BaseStream* Stream::getBaseStream (   )  [pure virtual]

Implemented in BaseStream, and FilterStream. Referenced by FilterStream::getBaseStream(), and Gfx::opBeginImage().

virtual int Stream::getChar (   )  [pure virtual]

Implemented in FileStream, MemStream, EmbedStream, ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Referenced by PDFDoc::checkHeader(), OutputDev::drawImage(), QOutputDev::drawImage(), OutputDev::drawImageMask(), QOutputDev::drawImageMask(), RunLengthEncoder::fillBuf(), ASCII85Encoder::fillBuf(), ASCIIHexEncoder::fillBuf(), RunLengthStream::fillBuf(), EmbedStream::getChar(), FixedLengthEncoder::getChar(), LZWStream::getCode(), FlateStream::getCodeWord(), FlateStream::getHuffmanCodeWord(), getLine(), ImageStream::getPixel(), PostScriptFunction::getToken(), CCITTFaxStream::lookBits(), FixedLengthEncoder::lookChar(), ASCII85Stream::lookChar(), ASCIIHexStream::lookChar(), DCTStream::read16(), DCTStream::readAdobeMarker(), DCTStream::readBit(), GfxFont::readEmbFontFile(), DCTStream::readFrameInfo(), DCTStream::readHeader(), DCTStream::readHuffmanTables(), DCTStream::readMarker(), DCTStream::readQuantTables(), DCTStream::readScanInfo(), FlateStream::readSome(), XRef::readTrailer(), XRef::readXRef(), FlateStream::reset(), SampledFunction::SampledFunction(), PDFDoc::saveAs(), ImageStream::skipLine(), and FlateStream::startBlock().

virtual Dict* Stream::getDict (   )  [pure virtual]

Implemented in BaseStream, and FilterStream. Referenced by Gfx::doImage(), and FilterStream::getDict().

virtual StreamKind Stream::getKind (   )  [pure virtual]

Implemented in FileStream, MemStream, EmbedStream, ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Referenced by EmbedStream::getKind().

char * Stream::getLine (  char *  buf, int  size )  [virtual]

Definition at line 71 of file Stream.cc. References getChar(), i, lookChar(), and NULL. Referenced by XRef::constructXRef().

virtual int Stream::getPos (   )  [pure virtual]

Implemented in FilterStream, FileStream, MemStream, and EmbedStream. Referenced by addFilters(), XRef::constructXRef(), EmbedStream::getPos(), FilterStream::getPos(), makeFilter(), and XRef::readXRef().

GString * Stream::getPSFilter (  char *  indent  )  [virtual]

Reimplemented in ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Definition at line 92 of file Stream.cc. Referenced by DCTStream::getPSFilter(), CCITTFaxStream::getPSFilter(), RunLengthStream::getPSFilter(), LZWStream::getPSFilter(), ASCII85Stream::getPSFilter(), and ASCIIHexStream::getPSFilter().

int Stream::getRawChar (   )  [virtual]

Reimplemented in LZWStream, and FlateStream. Definition at line 66 of file Stream.cc. References error(). Referenced by StreamPredictor::getNextLine().

int Stream::incRef (   )  [inline]

Definition at line 53 of file Stream.h. References ref.

virtual GBool Stream::isBinary (  GBool  last = gTrue  )  [pure virtual]

Implemented in FileStream, MemStream, EmbedStream, ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Referenced by FlateStream::isBinary(), DCTStream::isBinary(), CCITTFaxStream::isBinary(), RunLengthStream::isBinary(), LZWStream::isBinary(), ASCII85Stream::isBinary(), and ASCIIHexStream::isBinary().

virtual GBool Stream::isEncoder (   )  [inline, virtual]

Reimplemented in FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Definition at line 99 of file Stream.h. References gFalse. Referenced by ASCII85Encoder::~ASCII85Encoder(), ASCIIHexEncoder::~ASCIIHexEncoder(), FixedLengthEncoder::~FixedLengthEncoder(), and RunLengthEncoder::~RunLengthEncoder().

virtual int Stream::lookChar (   )  [pure virtual]

Implemented in FileStream, MemStream, EmbedStream, ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Referenced by getLine(), PostScriptFunction::getToken(), EmbedStream::lookChar(), and XRef::readXRef().

Stream * Stream::makeFilter (  char *  name, Stream *  str, Object *  params )  [private]

Definition at line 140 of file Stream.cc. References bits, colors, Object::dictLookup(), encoding, error(), Object::free(), Object::getBool(), Object::getInt(), getPos(), gFalse, gTrue, Object::isBool(), Object::isDict(), and Object::isInt(). Referenced by addFilters().

virtual void Stream::reset (   )  [pure virtual]

Implemented in FileStream, MemStream, EmbedStream, ASCIIHexStream, ASCII85Stream, LZWStream, RunLengthStream, CCITTFaxStream, DCTStream, FlateStream, EOFStream, FixedLengthEncoder, ASCIIHexEncoder, ASCII85Encoder, and RunLengthEncoder. Referenced by XRef::constructXRef(), OutputDev::drawImage(), OutputDev::drawImageMask(), LZWStream::dumpFile(), PostScriptFunction::PostScriptFunction(), GfxFont::readEmbFontFile(), RunLengthEncoder::reset(), ASCII85Encoder::reset(), ASCIIHexEncoder::reset(), FixedLengthEncoder::reset(), FlateStream::reset(), DCTStream::reset(), CCITTFaxStream::reset(), RunLengthStream::reset(), ASCII85Stream::reset(), ASCIIHexStream::reset(), ImageStream::reset(), SampledFunction::SampledFunction(), and PDFDoc::saveAs().

virtual void Stream::setPos (  Guint  pos, int  dir = 0 )  [pure virtual]

Implemented in BaseStream, FilterStream, FileStream, MemStream, and EmbedStream.

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Member Data Documentation

int Stream::ref [private]

Definition at line 109 of file Stream.h. Referenced by decRef(), incRef(), and Stream().

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The documentation for this class was generated from the following files:

• noncore/unsupported/qpdf/xpdf/Stream.h
• noncore/unsupported/qpdf/xpdf/Stream.cc

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