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

#include "pandabase.h"
#include "pnotify.h"

Classes
struct	pixel

Macros
#define	PGM_BIGGRAYS

#define	PGM_MAXMAXVAL 65535

#define	PNM_ASSIGN1(x, v) PPM_ASSIGN(x,0,0,v)

#define	PNM_MAXMAXVAL PGM_MAXMAXVAL

#define	PPM_ASSIGN(p, red, grn, blu) { (p).r = (red); (p).g = (grn); (p).b = (blu); }

#define	PPM_DEPTH(newp, p, oldmaxval, newmaxval)

#define	PPM_EQUAL(p, q) ( (p).r == (q).r && (p).g == (q).g && (p).b == (q).b )

#define	PPM_GETB(p) ((p).b)

#define	PPM_GETG(p) ((p).g)

#define	PPM_GETR(p) ((p).r)

#define	PPM_PUTB(p, blu) ((p).b = (blu))

#define	PPM_PUTG(p, grn) ((p).g = (grn))

#define	PPM_PUTR(p, red) ((p).r = (red))

Typedefs
typedef unsigned short	gray

typedef gray	pixval

typedef pixel	xel

typedef gray	xelval

Functions
EXPCL_PANDA_PNMIMAGE char *	pm_allocrow (int cols, int size)
	Allocates a row of cols * size bytes. More...

EXPCL_PANDA_PNMIMAGE int	pm_bitstomaxval (int bits)
	Returns the highest maxval that can be represented in the indicated number of bits. More...

EXPCL_PANDA_PNMIMAGE void	pm_error (const char *format,...)
	Outputs the given printf-style message to the user and terminates messily. More...

EXPCL_PANDA_PNMIMAGE void	pm_freerow (char *itrow)
	Frees the row previously allocated withm pm_allocrow(). More...

EXPCL_PANDA_PNMIMAGE int	pm_maxvaltobits (int maxval)
	Returns the number of bits sufficient to hold the indicated maxval value. More...

EXPCL_PANDA_PNMIMAGE void	pm_message (const char *format,...)
	Outputs the given printf-style message to the user and returns. More...

EXPCL_PANDA_PNMIMAGE int	pm_readbiglong (std::istream in, long lP)

EXPCL_PANDA_PNMIMAGE int	pm_readbigshort (std::istream in, short sP)

EXPCL_PANDA_PNMIMAGE int	pm_readlittlelong (std::istream in, long lP)

EXPCL_PANDA_PNMIMAGE int	pm_readlittleshort (std::istream in, short sP)

EXPCL_PANDA_PNMIMAGE int	pm_writebiglong (std::ostream *out, long l)

EXPCL_PANDA_PNMIMAGE int	pm_writebigshort (std::ostream *out, short s)

EXPCL_PANDA_PNMIMAGE int	pm_writelittlelong (std::ostream *out, long l)

EXPCL_PANDA_PNMIMAGE int	pm_writelittleshort (std::ostream *out, short s)

Detailed Description

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

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: 2000-06-14

Definition in file pnmimage_base.h.

Macro Definition Documentation

◆ PPM_DEPTH

#define PPM_DEPTH	(	newp,
		p,
		oldmaxval,
		newmaxval
	)

Value:

PPM_ASSIGN( (newp), \
        ( (int) PPM_GETR(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval), \
        ( (int) PPM_GETG(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval), \
        ( (int) PPM_GETB(p) * (newmaxval) + (oldmaxval) / 2 ) / (oldmaxval) )

Definition at line 90 of file pnmimage_base.h.

Function Documentation

◆ pm_allocrow()

EXPCL_PANDA_PNMIMAGE 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()

EXPCL_PANDA_PNMIMAGE 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()

EXPCL_PANDA_PNMIMAGE 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()

EXPCL_PANDA_PNMIMAGE void pm_freerow ( char * itrow )

Frees the row previously allocated withm pm_allocrow().

Definition at line 111 of file pnmimage_base.cxx.

◆ pm_maxvaltobits()

EXPCL_PANDA_PNMIMAGE 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()

EXPCL_PANDA_PNMIMAGE 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.

Classes

Macros

Typedefs

Functions