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panda/src/pnmimagetypes/pnmFileTypeSGIReader.cxx File Reference

#include "pnmFileTypeSGI.h"
#include "config_pnmimagetypes.h"
#include "sgi.h"
#include "pnmImage.h"
#include "pnmReader.h"
#include "notify.h"

Go to the source code of this file.

Defines
#define	MALLOC(n, type)   (type *)xmalloc((n) * sizeof(type))
#define	WORSTCOMPR(x)   (2*(x) + 2)
#define	MAXVAL_BYTE   255
#define	MAXVAL_WORD   65535
Typedefs
typedef PNMFileTypeSGI::Reader::TabEntry	TabEntry
typedef short	ScanElem
typedef ScanElem *	ScanLine
Functions
unsigned char	get_byte (istream *f)
long	get_big_long (istream *f)
short	get_big_short (istream *f)
short	get_byte_as_short (istream *f)
int	readerr (istream *f)
void *	xmalloc (int bytes)
char *	compression_name (char compr)
void	read_bytes (istream *ifp, int n, char *buf)
bool	read_header (istream *ifp, Header *head, const string &magic_number)
TabEntry *	read_table (istream *ifp, int tablen)
void	read_channel (istream *ifp, int xsize, int ysize, int zsize, int bpc, TabEntry *table, ScanElem *channel_data, long table_start, int channel, int row)
void	rle_decompress (ScanElem *src, long srclen, ScanElem *dest, long destlen)
Variables
bool	eof_err = false

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Detailed Description

Definition in file pnmFileTypeSGIReader.cxx.

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Define Documentation

#define MALLOC (  n, type   )     (type *)xmalloc((n) * sizeof(type))

Definition at line 64 of file pnmFileTypeSGIReader.cxx.

#define MAXVAL_BYTE   255

Definition at line 77 of file pnmFileTypeSGIReader.cxx. Referenced by PNMFileTypeSGI::Writer::supports_write_row().

#define MAXVAL_WORD   65535

Definition at line 78 of file pnmFileTypeSGIReader.cxx. Referenced by PNMFileTypeSGI::Writer::supports_write_row().

#define WORSTCOMPR (  x   )     (2*(x) + 2)

Definition at line 75 of file pnmFileTypeSGIReader.cxx. Referenced by read_table().

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Typedef Documentation

typedef short ScanElem

Definition at line 54 of file pnmFileTypeSGIReader.cxx. Referenced by read_table(), and PNMFileTypeSGI::Writer::Table().

typedef ScanElem* ScanLine

Definition at line 55 of file pnmFileTypeSGIReader.cxx.

typedef PNMFileTypeSGI::Reader::TabEntry TabEntry

Definition at line 52 of file pnmFileTypeSGIReader.cxx.

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Function Documentation

char * compression_name (  char  compr  )  [static]

Definition at line 532 of file pnmFileTypeSGIReader.cxx.

long get_big_long (  istream *  f  )  [static]

Definition at line 459 of file pnmFileTypeSGIReader.cxx. References eof_err.

short get_big_short (  istream *  f  )  [static]

Definition at line 449 of file pnmFileTypeSGIReader.cxx. Referenced by read_table().

unsigned char get_byte (  istream *  f  )  [static]

Definition at line 469 of file pnmFileTypeSGIReader.cxx.

short get_byte_as_short (  istream *  f  )  [static]

Definition at line 513 of file pnmFileTypeSGIReader.cxx. References STORAGE_RLE. Referenced by read_table().

void read_bytes (  istream *  ifp, int  n, char *  buf )  [static]

Definition at line 498 of file pnmFileTypeSGIReader.cxx. References NULL.

void read_channel (  istream *  ifp, int  xsize, int  ysize, int  zsize, int  bpc, TabEntry *  table, ScanElem *  channel_data, long  table_start, int  channel, int  row )  [static]

Definition at line 366 of file pnmFileTypeSGIReader.cxx. References length.

bool read_header (  istream *  ifp, Header *  head, const string &  magic_number )  [static]

Definition at line 255 of file pnmFileTypeSGIReader.cxx.

TabEntry * read_table (  istream *  ifp, int  tablen )  [static]

Definition at line 347 of file pnmFileTypeSGIReader.cxx. References get_big_short(), get_byte_as_short(), length, ScanElem, PNMFileTypeSGI::Reader::TabEntry::start, and WORSTCOMPR.

int readerr (  istream *  f  )  [static]

Definition at line 481 of file pnmFileTypeSGIReader.cxx.

void rle_decompress (  ScanElem *  src, long  srclen, ScanElem *  dest, long  destlen )  [static]

Definition at line 409 of file pnmFileTypeSGIReader.cxx.

void * xmalloc (  int  bytes  )  [static]

Definition at line 519 of file pnmFileTypeSGIReader.cxx.

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Variable Documentation

bool eof_err = false [static]

Definition at line 83 of file pnmFileTypeSGIReader.cxx. Referenced by get_big_long().

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