pnmimage_base.cxx File Reference

PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University. More...

#include "pnmimage_base.h"
#include "streamReader.h"
#include "streamWriter.h"
#include "config_pnmimage.h"
#include <stdarg.h>
#include <stdio.h>

Go to the source code of this file.

Functions
char *	pm_allocrow (int cols, int size)
	Allocates a row of cols * size bytes.
int	pm_bitstomaxval (int bits)
	Returns the highest maxval that can be represented in the indicated number of bits.
void	pm_error (const char *format,...)
	Outputs the given printf-style message to the user and terminates messily.
void	pm_freerow (char *itrow)
	Frees the row previously allocated withm pm_allocrow().
int	pm_maxvaltobits (int maxval)
	Returns the number of bits sufficient to hold the indicated maxval value.
void	pm_message (const char *format,...)
	Outputs the given printf-style message to the user and returns.
int	pm_readbiglong (istream *in, long *lP)
int	pm_readbigshort (istream *in, short *sP)
int	pm_readlittlelong (istream *in, long *lP)
int	pm_readlittleshort (istream *in, short *sP)
int	pm_writebiglong (ostream *out, long l)
int	pm_writebigshort (ostream *out, short s)
int	pm_writelittlelong (ostream *out, long l)
int	pm_writelittleshort (ostream *out, short s)

Detailed Description

PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.

All rights reserved.

All use of this software is subject to the terms of the revised BSD license. You should have received a copy of this license along with this source code in a file named "LICENSE."

Author

drose

Date

2002-08-04

Definition in file pnmimage_base.cxx.

Function Documentation

pm_allocrow()

char * pm_allocrow	(	int	cols,
		int	size )

Allocates a row of cols * size bytes.

Definition at line 103 of file pnmimage_base.cxx.

pm_bitstomaxval()

int pm_bitstomaxval

(

int

bits

)

Returns the highest maxval that can be represented in the indicated number of bits.

Definition at line 95 of file pnmimage_base.cxx.

Referenced by pm_maxvaltobits().

pm_error()

void pm_error	(	const char *	format,
			... )

Outputs the given printf-style message to the user and terminates messily.

Minimize use of this function.

Definition at line 54 of file pnmimage_base.cxx.

pm_freerow()

void pm_freerow

(

char *

itrow

)

Frees the row previously allocated withm pm_allocrow().

Definition at line 111 of file pnmimage_base.cxx.

pm_maxvaltobits()

int pm_maxvaltobits

(

int

maxval

)

Returns the number of bits sufficient to hold the indicated maxval value.

Definition at line 81 of file pnmimage_base.cxx.

References pm_bitstomaxval().

pm_message()

void pm_message	(	const char *	format,
			... )

Outputs the given printf-style message to the user and returns.

Definition at line 30 of file pnmimage_base.cxx.

pm_readbiglong()

int pm_readbiglong	(	istream *	in,
		long *	lP )

Definition at line 134 of file pnmimage_base.cxx.

pm_readbigshort()

int pm_readbigshort	(	istream *	in,
		short *	sP )

Definition at line 120 of file pnmimage_base.cxx.

pm_readlittlelong()

int pm_readlittlelong	(	istream *	in,
		long *	lP )

Definition at line 162 of file pnmimage_base.cxx.

pm_readlittleshort()

int pm_readlittleshort	(	istream *	in,
		short *	sP )

Definition at line 148 of file pnmimage_base.cxx.

pm_writebiglong()

int pm_writebiglong	(	ostream *	out,
		long	l )

Definition at line 141 of file pnmimage_base.cxx.

pm_writebigshort()

int pm_writebigshort	(	ostream *	out,
		short	s )

Definition at line 127 of file pnmimage_base.cxx.

pm_writelittlelong()

int pm_writelittlelong	(	ostream *	out,
		long	l )

Definition at line 169 of file pnmimage_base.cxx.

pm_writelittleshort()

int pm_writelittleshort	(	ostream *	out,
		short	s )

Definition at line 155 of file pnmimage_base.cxx.