JpegReader.cxx File Reference

#include <sal/config.h>
#include "jpeg.h"
#include <jpeglib.h>
#include <jerror.h>
#include "JpegReader.hxx"
#include <vcl/graphicfilter.hxx>
#include <vcl/outdev.hxx>
#include <tools/fract.hxx>
#include <tools/stream.hxx>
#include <memory>

Include dependency graph for JpegReader.cxx:

Go to the source code of this file.

Macros
#define	BUFFER_SIZE   4096

Functions
static void	init_source (j_decompress_ptr cinfo)
static tools::Long	StreamRead (SvStream *pStream, void *pBuffer, tools::Long nBufferSize)
static boolean	fill_input_buffer (j_decompress_ptr cinfo)
static void	skip_input_data (j_decompress_ptr cinfo, long numberOfBytes)
static void	term_source (j_decompress_ptr)
void	jpeg_svstream_src (j_decompress_ptr cinfo, void *input)

Macro Definition Documentation

BUFFER_SIZE

#define BUFFER_SIZE   4096

Definition at line 33 of file JpegReader.cxx.

Function Documentation

fill_input_buffer()

static boolean fill_input_buffer ( j_decompress_ptr  cinfo )

static

Definition at line 80 of file JpegReader.cxx.

References SourceManagerStruct::buffer, BUFFER_SIZE, FALSE, SourceManagerStruct::no_data_available_failures, SourceManagerStruct::pub, SourceManagerStruct::start_of_file, SourceManagerStruct::stream, StreamRead(), and TRUE.

Referenced by jpeg_svstream_src(), and skip_input_data().

init_source()

static void init_source ( j_decompress_ptr  cinfo )

static

Definition at line 41 of file JpegReader.cxx.

References SourceManagerStruct::no_data_available_failures, SourceManagerStruct::start_of_file, and TRUE.

Referenced by jpeg_svstream_src().

jpeg_svstream_src()

void jpeg_svstream_src	(	j_decompress_ptr	cinfo,
		void *	input
	)

Definition at line 139 of file JpegReader.cxx.

References SourceManagerStruct::buffer, BUFFER_SIZE, fill_input_buffer(), init_source(), SourceManagerStruct::pub, skip_input_data(), stream, SourceManagerStruct::stream, and term_source().

Referenced by ReadJPEG(), and Transform().

skip_input_data()

static void skip_input_data ( j_decompress_ptr  cinfo, long  numberOfBytes  )

static

Definition at line 108 of file JpegReader.cxx.

References fill_input_buffer(), and SourceManagerStruct::pub.

Referenced by jpeg_svstream_src().

StreamRead()

static tools::Long StreamRead ( SvStream *  pStream, void *  pBuffer, tools::Long  nBufferSize  )

static

Definition at line 55 of file JpegReader.cxx.

References ERRCODE_IO_PENDING, SvStream::GetError(), SvStream::ReadBytes(), SvStream::ResetError(), SvStream::Seek(), SvStream::SetError(), and SvStream::Tell().

Referenced by fill_input_buffer().

term_source()

static void term_source ( j_decompress_ptr  )

static

Definition at line 132 of file JpegReader.cxx.

Referenced by jpeg_svstream_src().