//-
// ==========================================================================
// Copyright (C) 1995 - 2005 Alias Systems Corp. and/or its licensors.  All 
// rights reserved. 
// 
// The coded instructions, statements, computer programs, and/or related 
// material (collectively the "Data") in these files are provided by Alias 
// Systems Corp. ("Alias") and/or its licensors for the exclusive use of the 
// Customer (as defined in the Alias Software License Agreement that 
// accompanies this Alias software). Such Customer has the right to use, 
// modify, and incorporate the Data into other products and to distribute such 
// products for use by end-users.
//  
// THE DATA IS PROVIDED "AS IS".  ALIAS HEREBY DISCLAIMS ALL WARRANTIES 
// RELATING TO THE DATA, INCLUDING, WITHOUT LIMITATION, ANY AND ALL EXPRESS OR 
// IMPLIED WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY AND/OR FITNESS FOR A 
// PARTICULAR PURPOSE. IN NO EVENT SHALL ALIAS BE LIABLE FOR ANY DAMAGES 
// WHATSOEVER, WHETHER DIRECT, INDIRECT, SPECIAL, OR PUNITIVE, WHETHER IN AN 
// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, OR IN EQUITY, 
// ARISING OUT OF ACCESS TO, USE OF, OR RELIANCE UPON THE DATA.
// ==========================================================================
//+

#ifdef __cplusplus
extern "C" {
#endif

#include <stdio.h>

/*******************************************************************\
 								 
    Name:	Pic.h						 
 								 
    Purpose:							 
 	Type declarations and associated macros for use		 
 	with picture files (raw PPM files).				 
 								 
\*******************************************************************/


/*
 *  Data structures
 */

typedef unsigned char   boolean;

#ifndef FALSE
#define   FALSE   ((boolean) 0)
#endif
#ifndef TRUE
#define   TRUE    ((boolean) 1)
#endif

typedef unsigned char  Pic_byte;

typedef struct Pic_Pixel
{
    Pic_byte   r, g, b;
}
Pic_Pixel;

typedef struct
{
    FILE     *fptr;
    char     *filename;

    short     width;
    short     height;
    short     scanline;
}
Pic;


/*
 *  Memory allocation and other macros :
 */

#define StrAlloc(n)    ((char *) malloc((unsigned)(n)))
#define PixelAlloc(n)  ((Pic_Pixel *) malloc((unsigned)((n)*sizeof(Pic_Pixel))))
#define PixelFree(p)   ((void) free((char *)(p)))


/*
 *  General routines
 */

extern	Pic       *PicOpen(const char* filename, short width, short height );
extern	boolean    PicWriteLine(Pic* ppmFile, Pic_Pixel* pixels);
extern  void       PicClose(Pic* ppmFile);

#ifdef __cplusplus
}
#endif

/*** THE END ***/