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# viewCapturePPM.h

    //-
    // ==========================================================================
    // Copyright 1995,2006,2008 Autodesk, Inc. All rights reserved.
    //
    // Use of this software is subject to the terms of the Autodesk
    // license agreement provided at the time of installation or download,
    // or which otherwise accompanies this software in either electronic
    // or hard copy form.
    // ==========================================================================
    //+

    #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 ***/