/*
 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2007, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 * Copyright (c) 2006-2007, Parvatha Elangovan
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */
#include "opj_apps_config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>

#ifdef OPJ_HAVE_LIBTIFF
#include <tiffio.h>
#endif /* OPJ_HAVE_LIBTIFF */

#ifdef OPJ_HAVE_LIBPNG
#include <zlib.h>
#include <png.h>
#endif /* OPJ_HAVE_LIBPNG */

#include "openjpeg.h"
#include "convert.h"

/*
 * Get logarithm of an integer and round downwards.
 *
 * log2(a)
 */
static int int_floorlog2(int a) {
    int l;
    for (l = 0; a > 1; l++) {
        a >>= 1;
    }
    return l;
}

/* -->> -->> -->> -->>

  TGA IMAGE FORMAT

 <<-- <<-- <<-- <<-- */

#ifdef INFORMATION_ONLY
/* TGA header definition. */
struct tga_header
{                           
    unsigned char   id_length;              /* Image id field length    */
    unsigned char   colour_map_type;        /* Colour map type          */
    unsigned char   image_type;             /* Image type               */
    /*
    ** Colour map specification
    */
    unsigned short  colour_map_index;       /* First entry index        */
    unsigned short  colour_map_length;      /* Colour map length        */
    unsigned char   colour_map_entry_size;  /* Colour map entry size    */
    /*
    ** Image specification
    */
    unsigned short  x_origin;               /* x origin of image        */
    unsigned short  y_origin;               /* u origin of image        */
    unsigned short  image_width;            /* Image width              */
    unsigned short  image_height;           /* Image height             */
    unsigned char   pixel_depth;            /* Pixel depth              */
    unsigned char   image_desc;             /* Image descriptor         */
};
#endif /* INFORMATION_ONLY */

static unsigned short get_ushort(unsigned short val) {

#ifdef WORDS_BIGENDIAN
    return( ((val & 0xff) << 8) + (val >> 8) );
#else
    return( val );
#endif

}

#define TGA_HEADER_SIZE 18

static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, 
                          unsigned int *width, unsigned int *height, int *flip_image)
{
    int palette_size;
    unsigned char *tga ;
    unsigned char id_len, cmap_type, image_type;
    unsigned char pixel_depth, image_desc;
    unsigned short cmap_index, cmap_len, cmap_entry_size;
    unsigned short x_origin, y_origin, image_w, image_h;

    if (!bits_per_pixel || !width || !height || !flip_image)
        return 0;
    tga = (unsigned char*)malloc(18);

    if ( fread(tga, TGA_HEADER_SIZE, 1, fp) != 1 )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0 ;
    }
    id_len = (unsigned char)tga[0];
    cmap_type = (unsigned char)tga[1];
    image_type = (unsigned char)tga[2];
    cmap_index = get_ushort(*(unsigned short*)(&tga[3]));
    cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
    cmap_entry_size = (unsigned char)tga[7];


    x_origin = get_ushort(*(unsigned short*)(&tga[8]));
    y_origin = get_ushort(*(unsigned short*)(&tga[10]));
    image_w = get_ushort(*(unsigned short*)(&tga[12]));
    image_h = get_ushort(*(unsigned short*)(&tga[14]));
    pixel_depth = (unsigned char)tga[16];
    image_desc  = (unsigned char)tga[17];

    free(tga);

    *bits_per_pixel = (unsigned int)pixel_depth;
    *width  = (unsigned int)image_w;
    *height = (unsigned int)image_h;

    /* Ignore tga identifier, if present ... */
    if (id_len)
    {
        unsigned char *id = (unsigned char *) malloc(id_len);
        if ( !fread(id, id_len, 1, fp) )
        {
            fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
            free(id);
            return 0 ;
        }
        free(id);
    }

    /* Test for compressed formats ... not yet supported ...
    // Note :-  9 - RLE encoded palettized.
    //	  	   10 - RLE encoded RGB. */
    if (image_type > 8)
    {
        fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
        return 0 ;
    }

    *flip_image = !(image_desc & 32);

    /* Palettized formats are not yet supported, skip over the palette, if present ... */
    palette_size = cmap_len * (cmap_entry_size/8);

    if (palette_size>0)
    {
        fprintf(stderr, "File contains a palette - not yet supported.");
        fseek(fp, palette_size, SEEK_CUR);
    }
    return 1;
}

#if WORDS_BIGENDIAN == 1

static inline int16_t swap16(int16_t x)
{
    return((((u_int16_t)x & 0x00ffU) <<  8) |
           (((u_int16_t)x & 0xff00U) >>  8));
}

#endif

static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height, 
                           OPJ_BOOL flip_image)
{
    unsigned short image_w, image_h, us0;
    unsigned char uc0, image_type;
    unsigned char pixel_depth, image_desc;

    if (!bits_per_pixel || !width || !height)
        return 0;

    pixel_depth = 0;

    if ( bits_per_pixel < 256 )
        pixel_depth = (unsigned char)bits_per_pixel;
    else{
        fprintf(stderr,"ERROR: Wrong bits per pixel inside tga_header");
        return 0;
    }
    uc0 = 0;

    if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* id_length */
    if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_type */

    image_type = 2; /* Uncompressed. */
    if(fwrite(&image_type, 1, 1, fp) != 1) goto fails;

    us0 = 0;
    if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_index */
    if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* colour_map_length */
    if(fwrite(&uc0, 1, 1, fp) != 1) goto fails; /* colour_map_entry_size */

    if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* x_origin */
    if(fwrite(&us0, 2, 1, fp) != 1) goto fails; /* y_origin */

    image_w = (unsigned short)width;
    image_h = (unsigned short) height;

#if WORDS_BIGENDIAN == 0
    if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
    if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
#else
    image_w = swap16(image_w);
    image_h = swap16(image_h);
    if(fwrite(&image_w, 2, 1, fp) != 1) goto fails;
    if(fwrite(&image_h, 2, 1, fp) != 1) goto fails;
#endif

    if(fwrite(&pixel_depth, 1, 1, fp) != 1) goto fails;

    image_desc = 8; /* 8 bits per component. */

    if (flip_image)
        image_desc |= 32;
    if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;

    return 1;

fails:
    fputs("\nwrite_tgaheader: write ERROR\n", stderr);
    return 0;
}

opj_image_t* tgatoimage(const char *filename, opj_cparameters_t *parameters) {
    FILE *f;
    opj_image_t *image;
    unsigned int image_width, image_height, pixel_bit_depth;
    unsigned int x, y;
    int flip_image=0;
    opj_image_cmptparm_t cmptparm[4];	/* maximum 4 components */
    int numcomps;
    OPJ_COLOR_SPACE color_space;
    OPJ_BOOL mono ;
    OPJ_BOOL save_alpha;
    int subsampling_dx, subsampling_dy;
    int i;

    f = fopen(filename, "rb");
    if (!f) {
        fprintf(stderr, "Failed to open %s for reading !!\n", filename);
        return 0;
    }

    if (!tga_readheader(f, &pixel_bit_depth, &image_width, &image_height, &flip_image))
        return NULL;

    /* We currently only support 24 & 32 bit tga's ... */
    if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32)))
        return NULL;

    /* initialize image components */
    memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));

    mono = (pixel_bit_depth == 8) || (pixel_bit_depth == 16);  /* Mono with & without alpha. */
    save_alpha = (pixel_bit_depth == 16) || (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */

    if (mono) {
        color_space = OPJ_CLRSPC_GRAY;
        numcomps = save_alpha ? 2 : 1;
    }
    else {
        numcomps = save_alpha ? 4 : 3;
        color_space = OPJ_CLRSPC_SRGB;
    }

    subsampling_dx = parameters->subsampling_dx;
    subsampling_dy = parameters->subsampling_dy;

    for (i = 0; i < numcomps; i++) {
        cmptparm[i].prec = 8;
        cmptparm[i].bpp = 8;
        cmptparm[i].sgnd = 0;
        cmptparm[i].dx = subsampling_dx;
        cmptparm[i].dy = subsampling_dy;
        cmptparm[i].w = image_width;
        cmptparm[i].h = image_height;
    }

    /* create the image */
    image = opj_image_create(numcomps, &cmptparm[0], color_space);

    if (!image)
        return NULL;

    /* set image offset and reference grid */
    image->x0 = parameters->image_offset_x0;
    image->y0 = parameters->image_offset_y0;
    image->x1 =	!image->x0 ? (image_width - 1) * subsampling_dx + 1 : image->x0 + (image_width - 1) * subsampling_dx + 1;
    image->y1 =	!image->y0 ? (image_height - 1) * subsampling_dy + 1 : image->y0 + (image_height - 1) * subsampling_dy + 1;

    /* set image data */
    for (y=0; y < image_height; y++)
    {
        int index;

        if (flip_image)
            index = (image_height-y-1)*image_width;
        else
            index = y*image_width;

        if (numcomps==3)
        {
            for (x=0;x<image_width;x++)
            {
                unsigned char r,g,b;

                if( !fread(&b, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }
                if ( !fread(&g, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }
                if ( !fread(&r, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }

                image->comps[0].data[index]=r;
                image->comps[1].data[index]=g;
                image->comps[2].data[index]=b;
                index++;
            }
        }
        else if (numcomps==4)
        {
            for (x=0;x<image_width;x++)
            {
                unsigned char r,g,b,a;
                if ( !fread(&b, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }
                if ( !fread(&g, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }
                if ( !fread(&r, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }
                if ( !fread(&a, 1, 1, f) )
                {
                    fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    opj_image_destroy(image);
                    return NULL;
                }

                image->comps[0].data[index]=r;
                image->comps[1].data[index]=g;
                image->comps[2].data[index]=b;
                image->comps[3].data[index]=a;
                index++;
            }
        }
        else {
            fprintf(stderr, "Currently unsupported bit depth : %s\n", filename);
        }
    }
    return image;
}

int imagetotga(opj_image_t * image, const char *outfile) {
    int width, height, bpp, x, y;
    OPJ_BOOL write_alpha;
    int i, adjustR, adjustG, adjustB;
    unsigned int alpha_channel;
    float r,g,b,a;
    unsigned char value;
    float scale;
    FILE *fdest;
    size_t res;

    fdest = fopen(outfile, "wb");
    if (!fdest) {
        fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
        return 1;
    }

    for (i = 0; i < image->numcomps-1; i++)	{
        if ((image->comps[0].dx != image->comps[i+1].dx)
                ||(image->comps[0].dy != image->comps[i+1].dy)
                ||(image->comps[0].prec != image->comps[i+1].prec))	{
            fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
            return 1;
        }
    }

    width = image->comps[0].w;
    height = image->comps[0].h;

    /* Mono with alpha, or RGB with alpha. */
    write_alpha = (image->numcomps==2) || (image->numcomps==4);

    /* Write TGA header  */
    bpp = write_alpha ? 32 : 24;
    if (!tga_writeheader(fdest, bpp, width , height, OPJ_TRUE))
        return 1;

    alpha_channel = image->numcomps-1;

    scale = 255.0f / (float)((1<<image->comps[0].prec)-1);

    adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
    adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
    adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);

    for (y=0; y < height; y++) {
        unsigned int index=y*width;

        for (x=0; x < width; x++, index++)	{
            r = (float)(image->comps[0].data[index] + adjustR);

            if (image->numcomps>2) {
                g = (float)(image->comps[1].data[index] + adjustG);
                b = (float)(image->comps[2].data[index] + adjustB);
            }
            else  {/* Greyscale ... */
                g = r;
                b = r;
            }

            /* TGA format writes BGR ... */
            value = (unsigned char)(b*scale);
            res = fwrite(&value,1,1,fdest);
            if( res < 1 ) {
                fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                return 1;
            }

            value = (unsigned char)(g*scale);
            res = fwrite(&value,1,1,fdest);
            if( res < 1 ) {
                fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                return 1;
            }

            value = (unsigned char)(r*scale);
            res = fwrite(&value,1,1,fdest);
            if( res < 1 ) {
                fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                return 1;
            }

            if (write_alpha) {
                a = (float)(image->comps[alpha_channel].data[index]);
                value = (unsigned char)(a*scale);
                res = fwrite(&value,1,1,fdest);
                if( res < 1 ) {
                    fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                    return 1;
                }
            }
        }
    }

    return 0;
}

/* -->> -->> -->> -->>

  BMP IMAGE FORMAT

 <<-- <<-- <<-- <<-- */

/* WORD defines a two byte word */
typedef unsigned short int WORD;

/* DWORD defines a four byte word */
typedef unsigned int DWORD;

typedef struct {
    WORD bfType;			/* 'BM' for Bitmap (19776) */
    DWORD bfSize;			/* Size of the file        */
    WORD bfReserved1;		/* Reserved : 0            */
    WORD bfReserved2;		/* Reserved : 0            */
    DWORD bfOffBits;		/* Offset                  */
} BITMAPFILEHEADER_t;

typedef struct {
    DWORD biSize;			/* Size of the structure in bytes */
    DWORD biWidth;		/* Width of the image in pixels */
    DWORD biHeight;		/* Heigth of the image in pixels */
    WORD biPlanes;		/* 1 */
    WORD biBitCount;		/* Number of color bits by pixels */
    DWORD biCompression;		/* Type of encoding 0: none 1: RLE8 2: RLE4 */
    DWORD biSizeImage;		/* Size of the image in bytes */
    DWORD biXpelsPerMeter;	/* Horizontal (X) resolution in pixels/meter */
    DWORD biYpelsPerMeter;	/* Vertical (Y) resolution in pixels/meter */
    DWORD biClrUsed;		/* Number of color used in the image (0: ALL) */
    DWORD biClrImportant;		/* Number of important color (0: ALL) */
} BITMAPINFOHEADER_t;

opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) 
{
    int subsampling_dx = parameters->subsampling_dx;
    int subsampling_dy = parameters->subsampling_dy;

    int i, numcomps, w, h;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t cmptparm[3];	/* maximum of 3 components */
    opj_image_t * image = NULL;

    FILE *IN;
    BITMAPFILEHEADER_t File_h;
    BITMAPINFOHEADER_t Info_h;
    unsigned char *RGB;
    unsigned char *table_R, *table_G, *table_B;
    unsigned int j, PAD = 0;

    int x, y, index;
    int gray_scale = 1;
    int has_color;
    DWORD W, H;

    IN = fopen(filename, "rb");
    if (!IN)
    {
        fprintf(stderr, "Failed to open %s for reading !!\n", filename);
        return NULL;
    }

    File_h.bfType = getc(IN);
    File_h.bfType = (getc(IN) << 8) + File_h.bfType;

    if (File_h.bfType != 19778)
    {
        fprintf(stderr,"Error, not a BMP file!\n");
        fclose(IN);
        return NULL;
    }
    /* FILE HEADER */
    /* ------------- */
    File_h.bfSize = getc(IN);
    File_h.bfSize = (getc(IN) << 8) + File_h.bfSize;
    File_h.bfSize = (getc(IN) << 16) + File_h.bfSize;
    File_h.bfSize = (getc(IN) << 24) + File_h.bfSize;

    File_h.bfReserved1 = getc(IN);
    File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1;

    File_h.bfReserved2 = getc(IN);
    File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2;

    File_h.bfOffBits = getc(IN);
    File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits;
    File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits;
    File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits;

    /* INFO HEADER */
    /* ------------- */

    Info_h.biSize = getc(IN);
    Info_h.biSize = (getc(IN) << 8) + Info_h.biSize;
    Info_h.biSize = (getc(IN) << 16) + Info_h.biSize;
    Info_h.biSize = (getc(IN) << 24) + Info_h.biSize;

    if(Info_h.biSize != 40)
    {
        fprintf(stderr,"Error, unknown BMP header size %d\n", Info_h.biSize);
        fclose(IN);
        return NULL;
    }
    Info_h.biWidth = getc(IN);
    Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth;
    Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth;
    Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth;
    w = Info_h.biWidth;

    Info_h.biHeight = getc(IN);
    Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight;
    Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight;
    Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight;
    h = Info_h.biHeight;

    Info_h.biPlanes = getc(IN);
    Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes;

    Info_h.biBitCount = getc(IN);
    Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount;

    Info_h.biCompression = getc(IN);
    Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression;
    Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression;
    Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression;

    Info_h.biSizeImage = getc(IN);
    Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage;
    Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage;
    Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage;

    Info_h.biXpelsPerMeter = getc(IN);
    Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter;
    Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter;
    Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter;

    Info_h.biYpelsPerMeter = getc(IN);
    Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter;
    Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter;
    Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter;

    Info_h.biClrUsed = getc(IN);
    Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed;
    Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed;
    Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed;

    Info_h.biClrImportant = getc(IN);
    Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant;
    Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant;
    Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant;

    /* Read the data and store them in the OUT file */

    if (Info_h.biBitCount == 24)
    {
        numcomps = 3;
        color_space = OPJ_CLRSPC_SRGB;
        /* initialize image components */
        memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
        for(i = 0; i < numcomps; i++)
        {
            cmptparm[i].prec = 8;
            cmptparm[i].bpp = 8;
            cmptparm[i].sgnd = 0;
            cmptparm[i].dx = subsampling_dx;
            cmptparm[i].dy = subsampling_dy;
            cmptparm[i].w = w;
            cmptparm[i].h = h;
        }
        /* create the image */
        image = opj_image_create(numcomps, &cmptparm[0], color_space);
        if(!image)
        {
            fclose(IN);
            return NULL;
        }

        /* set image offset and reference grid */
        image->x0 = parameters->image_offset_x0;
        image->y0 = parameters->image_offset_y0;
        image->x1 =	!image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
        image->y1 =	!image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;

        /* set image data */

        /* Place the cursor at the beginning of the image information */
        fseek(IN, 0, SEEK_SET);
        fseek(IN, File_h.bfOffBits, SEEK_SET);

        W = Info_h.biWidth;
        H = Info_h.biHeight;

        /* PAD = 4 - (3 * W) % 4; */
        /* PAD = (PAD == 4) ? 0 : PAD; */
        PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0;

        RGB = (unsigned char *)
                malloc((3 * W + PAD) * H * sizeof(unsigned char));

        if ( fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN) != (3 * W + PAD) * H )
        {
            free(RGB);
            opj_image_destroy(image);
            fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
            return NULL;
        }

        index = 0;

        for(y = 0; y < (int)H; y++)
        {
            unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y);
            for(x = 0; x < (int)W; x++)
            {
                unsigned char *pixel = &scanline[3 * x];
                image->comps[0].data[index] = pixel[2];	/* R */
                image->comps[1].data[index] = pixel[1];	/* G */
                image->comps[2].data[index] = pixel[0];	/* B */
                index++;
            }
        }
        free(RGB);
    }/* if (Info_h.biBitCount == 24) */
    else
        if (Info_h.biBitCount == 8 && Info_h.biCompression == 0)/*RGB */
        {
            if(Info_h.biClrUsed == 0) Info_h.biClrUsed = 256;
            else
                if(Info_h.biClrUsed > 256) Info_h.biClrUsed = 256;

            table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
            table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
            table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));

            has_color = 0;
            for (j = 0; j < Info_h.biClrUsed; j++)
            {
                table_B[j] = (unsigned char)getc(IN);
                table_G[j] = (unsigned char)getc(IN);
                table_R[j] = (unsigned char)getc(IN);
                getc(IN);
                has_color +=
                        !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
            }
            if(has_color) gray_scale = 0;

            /* Place the cursor at the beginning of the image information */
            fseek(IN, 0, SEEK_SET);
            fseek(IN, File_h.bfOffBits, SEEK_SET);

            W = Info_h.biWidth;
            H = Info_h.biHeight;
            if (Info_h.biWidth % 2)
                W++;

            numcomps = gray_scale ? 1 : 3;
            color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
            /* initialize image components */
            memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
            for(i = 0; i < numcomps; i++)
            {
                cmptparm[i].prec = 8;
                cmptparm[i].bpp = 8;
                cmptparm[i].sgnd = 0;
                cmptparm[i].dx = subsampling_dx;
                cmptparm[i].dy = subsampling_dy;
                cmptparm[i].w = w;
                cmptparm[i].h = h;
            }
            /* create the image */
            image = opj_image_create(numcomps, &cmptparm[0], color_space);
            if(!image)
            {
                fclose(IN);
                free(table_R); free(table_G); free(table_B);
                return NULL;
            }

            /* set image offset and reference grid */
            image->x0 = parameters->image_offset_x0;
            image->y0 = parameters->image_offset_y0;
            image->x1 =	!image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - 1) * subsampling_dx + 1;
            image->y1 =	!image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - 1) * subsampling_dy + 1;

            /* set image data */

            RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char));

            if ( fread(RGB, sizeof(unsigned char), W * H, IN) != W * H )
            {
                free(table_R);
                free(table_G);
                free(table_B);
                free(RGB);
                opj_image_destroy(image);
                fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                return NULL;
            }
            if (gray_scale)
            {
                index = 0;
                for (j = 0; j < W * H; j++)
                {
                    if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2))
                    {
                        image->comps[0].data[index] =
                                table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]];
                        index++;
                    }
                }

            }
            else
            {
                index = 0;
                for (j = 0; j < W * H; j++)
                {
                    if ((j % W < W - 1 && Info_h.biWidth % 2)
                            || !(Info_h.biWidth % 2))
                    {
                        unsigned char pixel_index =
                                RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)];
                        image->comps[0].data[index] = table_R[pixel_index];
                        image->comps[1].data[index] = table_G[pixel_index];
                        image->comps[2].data[index] = table_B[pixel_index];
                        index++;
                    }
                }
            }
            free(RGB);
            free(table_R);
            free(table_G);
            free(table_B);
        }/* RGB8 */
        else
            if (Info_h.biBitCount == 8 && Info_h.biCompression == 1)/*RLE8*/
            {
                unsigned char *pix, *beyond;
                int *gray, *red, *green, *blue;
                unsigned int x, y, max;
                int i, c, c1;
                unsigned char uc;

                if (Info_h.biClrUsed == 0)
                    Info_h.biClrUsed = 256;
                else if (Info_h.biClrUsed > 256)
                    Info_h.biClrUsed = 256;

                table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
                table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
                table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));

                has_color = 0;
                for (j = 0; j < Info_h.biClrUsed; j++)
                {
                    table_B[j] = (unsigned char)getc(IN);
                    table_G[j] = (unsigned char)getc(IN);
                    table_R[j] = (unsigned char)getc(IN);
                    getc(IN);
                    has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]);
                }

                if (has_color)
                    gray_scale = 0;

                numcomps = gray_scale ? 1 : 3;
                color_space = gray_scale ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB;
                /* initialize image components */
                memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
                for (i = 0; i < numcomps; i++)
                {
                    cmptparm[i].prec = 8;
                    cmptparm[i].bpp = 8;
                    cmptparm[i].sgnd = 0;
                    cmptparm[i].dx = subsampling_dx;
                    cmptparm[i].dy = subsampling_dy;
                    cmptparm[i].w = w;
                    cmptparm[i].h = h;
                }
                /* create the image */
                image = opj_image_create(numcomps, &cmptparm[0], color_space);
                if (!image)
                {
                    fclose(IN);
                    free(table_R);
                    free(table_G);
                    free(table_B);
                    return NULL;
                }

                /* set image offset and reference grid */
                image->x0 = parameters->image_offset_x0;
                image->y0 = parameters->image_offset_y0;
                image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w
                                                                                     - 1) * subsampling_dx + 1;
                image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h
                                                                                     - 1) * subsampling_dy + 1;

                /* set image data */

                /* Place the cursor at the beginning of the image information */
                fseek(IN, 0, SEEK_SET);
                fseek(IN, File_h.bfOffBits, SEEK_SET);

                W = Info_h.biWidth;
                H = Info_h.biHeight;
                RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char));
                beyond = RGB + W * H;
                pix = beyond - W;
                x = y = 0;

                while (y < H)
                {
                    c = getc(IN);

                    if (c)
                    {
                        c1 = getc(IN);

                        for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++)
                            *pix = (unsigned char)c1;
                    }
                    else
                    {
                        c = getc(IN);

                        if (c == 0x00) /* EOL */
                        {
                            x = 0;
                            ++y;
                            pix = RGB + x + (H - y - 1) * W;
                        }
                        else if (c == 0x01) /* EOP */
                            break;
                        else if (c == 0x02) /* MOVE by dxdy */
                        {
                            c = getc(IN);
                            x += c;
                            c = getc(IN);
                            y += c;
                            pix = RGB + (H - y - 1) * W + x;
                        }
                        else /* 03 .. 255 */
                        {
                            i = 0;
                            for (; i < c && x < W && pix < beyond; i++, x++, pix++)
                            {
                                c1 = getc(IN);
                                *pix = (unsigned char)c1;
                            }
                            if (c & 1) /* skip padding byte */
                                getc(IN);
                        }
                    }
                }/* while() */

                if (gray_scale)
                {
                    gray = image->comps[0].data;
                    pix = RGB;
                    max = W * H;

                    while (max--)
                    {
                        uc = *pix++;

                        *gray++ = table_R[uc];
                    }
                }
                else
                {
                    /*int *red, *green, *blue;*/

                    red = image->comps[0].data;
                    green = image->comps[1].data;
                    blue = image->comps[2].data;
                    pix = RGB;
                    max = W * H;

                    while (max--)
                    {
                        uc = *pix++;

                        *red++ = table_R[uc];
                        *green++ = table_G[uc];
                        *blue++ = table_B[uc];
                    }
                }
                free(RGB);
                free(table_R);
                free(table_G);
                free(table_B);
            }/* RLE8 */
            else
            {
                fprintf(stderr,
                        "Other system than 24 bits/pixels or 8 bits (no RLE coding) "
                        "is not yet implemented [%d]\n", Info_h.biBitCount);
            }
    fclose(IN);
    return image;
}

int imagetobmp(opj_image_t * image, const char *outfile) {
    int w, h;
    int i, pad;
    FILE *fdest = NULL;
    int adjustR, adjustG, adjustB;

    if (image->comps[0].prec < 8) {
        fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec);
        return 1;
    }
    if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
            && image->comps[1].dx == image->comps[2].dx
            && image->comps[0].dy == image->comps[1].dy
            && image->comps[1].dy == image->comps[2].dy
            && image->comps[0].prec == image->comps[1].prec
            && image->comps[1].prec == image->comps[2].prec) {

        /* -->> -->> -->> -->>
        24 bits color
        <<-- <<-- <<-- <<-- */

        fdest = fopen(outfile, "wb");
        if (!fdest) {
            fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
            return 1;
        }

        w = image->comps[0].w;
        h = image->comps[0].h;

        fprintf(fdest, "BM");

        /* FILE HEADER */
        /* ------------- */
        fprintf(fdest, "%c%c%c%c",
                (unsigned char) (h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)	>> 8) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)	>> 16) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2) + 54)	>> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff,((54) >> 16) & 0xff, ((54) >> 24) & 0xff);

        /* INFO HEADER   */
        /* ------------- */
        fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,	((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
                (unsigned char) ((w) >> 8) & 0xff,
                (unsigned char) ((w) >> 16) & 0xff,
                (unsigned char) ((w) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
                (unsigned char) ((h) >> 8) & 0xff,
                (unsigned char) ((h) >> 16) & 0xff,
                (unsigned char) ((h) >> 24) & 0xff);
        fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
        fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) (3 * h * w + 3 * h * (w % 2)) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
                (unsigned char) ((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,	((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);

        if (image->comps[0].prec > 8) {
            adjustR = image->comps[0].prec - 8;
            printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
        }
        else
            adjustR = 0;
        if (image->comps[1].prec > 8) {
            adjustG = image->comps[1].prec - 8;
            printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", image->comps[1].prec);
        }
        else
            adjustG = 0;
        if (image->comps[2].prec > 8) {
            adjustB = image->comps[2].prec - 8;
            printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
        }
        else
            adjustB = 0;

        for (i = 0; i < w * h; i++) {
            unsigned char rc, gc, bc;
            int r, g, b;

            r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
            r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
            r = ((r >> adjustR)+((r >> (adjustR-1))%2));
            if(r > 255) r = 255; else if(r < 0) r = 0;
            rc = (unsigned char)r;

            g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
            g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
            g = ((g >> adjustG)+((g >> (adjustG-1))%2));
            if(g > 255) g = 255; else if(g < 0) g = 0;
            gc = (unsigned char)g;

            b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
            b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
            b = ((b >> adjustB)+((b >> (adjustB-1))%2));
            if(b > 255) b = 255; else if(b < 0) b = 0;
            bc = (unsigned char)b;

            fprintf(fdest, "%c%c%c", bc, gc, rc);

            if ((i + 1) % w == 0) {
                for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--)	/* ADD */
                    fprintf(fdest, "%c", 0);
            }
        }
        fclose(fdest);
    } else {			/* Gray-scale */

        /* -->> -->> -->> -->>
        8 bits non code (Gray scale)
        <<-- <<-- <<-- <<-- */

        fdest = fopen(outfile, "wb");
        w = image->comps[0].w;
        h = image->comps[0].h;

        fprintf(fdest, "BM");

        /* FILE HEADER */
        /* ------------- */
        fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + 54 + 1024 + h * (w % 2)) & 0xff,
                (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
                (unsigned char) ((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
                (unsigned char) ((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
                ((54 + 1024) >> 16) & 0xff,
                ((54 + 1024) >> 24) & 0xff);

        /* INFO HEADER */
        /* ------------- */
        fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff,	((40) >> 16) & 0xff, ((40) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) ((w) & 0xff),
                (unsigned char) ((w) >> 8) & 0xff,
                (unsigned char) ((w) >> 16) & 0xff,
                (unsigned char) ((w) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) ((h) & 0xff),
                (unsigned char) ((h) >> 8) & 0xff,
                (unsigned char) ((h) >> 16) & 0xff,
                (unsigned char) ((h) >> 24) & 0xff);
        fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
        fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
        fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, ((0) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (unsigned char) (h * w + h * (w % 2)) & 0xff,
                (unsigned char) ((h * w + h * (w % 2)) >> 8) &	0xff,
                (unsigned char) ((h * w + h * (w % 2)) >> 16) &	0xff,
                (unsigned char) ((h * w + h * (w % 2)) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,	((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,	((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
        fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, ((256) >> 16) & 0xff, ((256) >> 24) & 0xff);

        if (image->comps[0].prec > 8) {
            adjustR = image->comps[0].prec - 8;
            printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", image->comps[0].prec);
        }else
            adjustR = 0;

        for (i = 0; i < 256; i++) {
            fprintf(fdest, "%c%c%c%c", i, i, i, 0);
        }

        for (i = 0; i < w * h; i++) {
            int r;

            r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
            r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
            r = ((r >> adjustR)+((r >> (adjustR-1))%2));
            if(r > 255) r = 255; else if(r < 0) r = 0;

            fprintf(fdest, "%c", (unsigned char)r);

            if ((i + 1) % w == 0) {
                for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--)	/* ADD */
                    fprintf(fdest, "%c", 0);
            }
        }
        fclose(fdest);
    }

    return 0;
}

/* -->> -->> -->> -->>

PGX IMAGE FORMAT

<<-- <<-- <<-- <<-- */


static unsigned char readuchar(FILE * f)
{
    unsigned char c1;
    if ( !fread(&c1, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    return c1;
}

static unsigned short readushort(FILE * f, int bigendian)
{
    unsigned char c1, c2;
    if ( !fread(&c1, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if ( !fread(&c2, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if (bigendian)
        return (c1 << 8) + c2;
    else
        return (c2 << 8) + c1;
}

static unsigned int readuint(FILE * f, int bigendian)
{
    unsigned char c1, c2, c3, c4;
    if ( !fread(&c1, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if ( !fread(&c2, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if ( !fread(&c3, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if ( !fread(&c4, 1, 1, f) )
    {
        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
        return 0;
    }
    if (bigendian)
        return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4;
    else
        return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
}

opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) {
    FILE *f = NULL;
    int w, h, prec;
    int i, numcomps, max;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t cmptparm;	/* maximum of 1 component  */
    opj_image_t * image = NULL;
    int adjustS, ushift, dshift, force8;

    char endian1,endian2,sign;
    char signtmp[32];

    char temp[32];
    int bigendian;
    opj_image_comp_t *comp = NULL;

    numcomps = 1;
    color_space = OPJ_CLRSPC_GRAY;

    memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t));

    max = 0;

    f = fopen(filename, "rb");
    if (!f) {
        fprintf(stderr, "Failed to open %s for reading !\n", filename);
        return NULL;
    }

    fseek(f, 0, SEEK_SET);
    if( fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h) != 9){
        fprintf(stderr, "ERROR: Failed to read the right number of element from the fscanf() function!\n");
        return NULL;
    }

    i=0;
    sign='+';
    while (signtmp[i]!='\0') {
        if (signtmp[i]=='-') sign='-';
        i++;
    }

    fgetc(f);
    if (endian1=='M' && endian2=='L') {
        bigendian = 1;
    } else if (endian2=='M' && endian1=='L') {
        bigendian = 0;
    } else {
        fprintf(stderr, "Bad pgx header, please check input file\n");
        return NULL;
    }

    /* initialize image component */

    cmptparm.x0 = parameters->image_offset_x0;
    cmptparm.y0 = parameters->image_offset_y0;
    cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1;
    cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1;

    if (sign == '-') {
        cmptparm.sgnd = 1;
    } else {
        cmptparm.sgnd = 0;
    }
    if(prec < 8)
    {
        force8 = 1;
        ushift = 8 - prec; dshift = prec - ushift;
        if(cmptparm.sgnd) adjustS = (1<<(prec - 1)); else adjustS = 0;
        cmptparm.sgnd = 0;
        prec = 8;
    }
    else ushift = dshift = force8 = adjustS = 0;

    cmptparm.prec = prec;
    cmptparm.bpp = prec;
    cmptparm.dx = parameters->subsampling_dx;
    cmptparm.dy = parameters->subsampling_dy;

    /* create the image */
    image = opj_image_create(numcomps, &cmptparm, color_space);
    if(!image) {
        fclose(f);
        return NULL;
    }
    /* set image offset and reference grid */
    image->x0 = cmptparm.x0;
    image->y0 = cmptparm.x0;
    image->x1 = cmptparm.w;
    image->y1 = cmptparm.h;

    /* set image data */

    comp = &image->comps[0];

    for (i = 0; i < w * h; i++) {
        int v;
        if(force8)
        {
            v = readuchar(f) + adjustS;
            v = (v<<ushift) + (v>>dshift);
            comp->data[i] = (unsigned char)v;

            if(v > max) max = v;

            continue;
        }
        if (comp->prec == 8) {
            if (!comp->sgnd) {
                v = readuchar(f);
            } else {
                v = (char) readuchar(f);
            }
        } else if (comp->prec <= 16) {
            if (!comp->sgnd) {
                v = readushort(f, bigendian);
            } else {
                v = (short) readushort(f, bigendian);
            }
        } else {
            if (!comp->sgnd) {
                v = readuint(f, bigendian);
            } else {
                v = (int) readuint(f, bigendian);
            }
        }
        if (v > max)
            max = v;
        comp->data[i] = v;
    }
    fclose(f);
    comp->bpp = int_floorlog2(max) + 1;

    return image;
}

int imagetopgx(opj_image_t * image, const char *outfile) {
    int w, h;
    int i, j, compno;
    FILE *fdest = NULL;

    for (compno = 0; compno < image->numcomps; compno++) {
        opj_image_comp_t *comp = &image->comps[compno];
        char bname[256]; /* buffer for name */
        char *name = bname; /* pointer */
        int nbytes = 0;
        size_t res;
        const size_t olen = strlen(outfile);
        const size_t dotpos = olen - 4;
        const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */
        if( outfile[dotpos] != '.' ) {
            /* `pgx` was recognized but there is no dot at expected position */
            fprintf(stderr, "ERROR -> Impossible happen." );
            return 1;
        }
        if( total > 256 ) {
            name = (char*)malloc(total+1);
        }
        strncpy(name, outfile, dotpos);
        /*if (image->numcomps > 1) {*/
        sprintf(name+dotpos, "_%d.pgx", compno);
        /*} else {
            strcpy(name+dotpos, ".pgx");
        }*/
        fdest = fopen(name, "wb");
        if (!fdest) {
            fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
            return 1;
        }
        /* dont need name anymore */
        if( total > 256 ) {
            free(name);
        }

        w = image->comps[compno].w;
        h = image->comps[compno].h;

        fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, w, h);
        if (comp->prec <= 8) {
            nbytes = 1;
        } else if (comp->prec <= 16) {
            nbytes = 2;
        } else {
            nbytes = 4;
        }
        for (i = 0; i < w * h; i++) {
            int v = image->comps[compno].data[i];
            for (j = nbytes - 1; j >= 0; j--) {
                char byte = (char) (v >> (j * 8));
                res = fwrite(&byte, 1, 1, fdest);
                if( res < 1 ) {
                    fprintf(stderr, "failed to write 1 byte for %s\n", name);
                    return 1;
                }
            }
        }
        fclose(fdest);
    }

    return 0;
}

/* -->> -->> -->> -->>

PNM IMAGE FORMAT

<<-- <<-- <<-- <<-- */

struct pnm_header
{
    int width, height, maxval, depth, format;
    char rgb, rgba, gray, graya, bw;
    char ok;
};

static char *skip_white(char *s)
{
    while(*s)
    {
        if(*s == '\n' || *s == '\r') return NULL;
        if(isspace(*s)) { ++s; continue; }
        return s;
    }
    return NULL;
}

static char *skip_int(char *start, int *out_n)
{
    char *s;
    char c;

    *out_n = 0; s = start;

    s = skip_white(start);
    if(s == NULL) return NULL;
    start = s;

    while(*s)
    {
        if( !isdigit(*s)) break;
        ++s;
    }
    c = *s; *s = 0; *out_n = atoi(start); *s = c;
    return s;
}

static char *skip_idf(char *start, char out_idf[256])
{
    char *s;
    char c;

    s = skip_white(start);
    if(s == NULL) return NULL;
    start = s;

    while(*s)
    {
        if(isalpha(*s) || *s == '_') { ++s; continue; }
        break;
    }
    c = *s; *s = 0; strncpy(out_idf, start, 255); *s = c;
    return s;
}

static void read_pnm_header(FILE *reader, struct pnm_header *ph)
{
    char *s;
    int format, have_wh, end, ttype;
    char idf[256], type[256];
    char line[256];

    if (fgets(line, 250, reader) == NULL)
    {
        fprintf(stderr,"\nWARNING: fgets return a NULL value");
        return;
    }

    if(line[0] != 'P')
    {
        fprintf(stderr,"read_pnm_header:PNM:magic P missing\n"); return;
    }
    format = atoi(line + 1);
    if(format < 1 || format > 7)
    {
        fprintf(stderr,"read_pnm_header:magic format %d invalid\n", format);
        return;
    }
    ph->format = format;
    ttype = end = have_wh = 0;

    while(fgets(line, 250, reader))
    {
        if(*line == '#') continue;

        s = line;

        if(format == 7)
        {
            s = skip_idf(s, idf);

            if(s == NULL || *s == 0) return;

            if(strcmp(idf, "ENDHDR") == 0)
            {
                end = 1; break;
            }
            if(strcmp(idf, "WIDTH") == 0)
            {
                s = skip_int(s, &ph->width);
                if(s == NULL || *s == 0) return;

                continue;
            }
            if(strcmp(idf, "HEIGHT") == 0)
            {
                s = skip_int(s, &ph->height);
                if(s == NULL || *s == 0) return;

                continue;
            }
            if(strcmp(idf, "DEPTH") == 0)
            {
                s = skip_int(s, &ph->depth);
                if(s == NULL || *s == 0) return;

                continue;
            }
            if(strcmp(idf, "MAXVAL") == 0)
            {
                s = skip_int(s, &ph->maxval);
                if(s == NULL || *s == 0) return;

                continue;
            }
            if(strcmp(idf, "TUPLTYPE") == 0)
            {
                s = skip_idf(s, type);
                if(s == NULL || *s == 0) return;

                if(strcmp(type, "BLACKANDWHITE") == 0)
                {
                    ph->bw = 1; ttype = 1; continue;
                }
                if(strcmp(type, "GRAYSCALE") == 0)
                {
                    ph->gray = 1; ttype = 1; continue;
                }
                if(strcmp(type, "GRAYSCALE_ALPHA") == 0)
                {
                    ph->graya = 1; ttype = 1; continue;
                }
                if(strcmp(type, "RGB") == 0)
                {
                    ph->rgb = 1; ttype = 1; continue;
                }
                if(strcmp(type, "RGB_ALPHA") == 0)
                {
                    ph->rgba = 1; ttype = 1; continue;
                }
                fprintf(stderr,"read_pnm_header:unknown P7 TUPLTYPE %s\n",type);
                return;
            }
            fprintf(stderr,"read_pnm_header:unknown P7 idf %s\n",idf);
            return;
        } /* if(format == 7) */

        if( !have_wh)
        {
            s = skip_int(s, &ph->width);

            s = skip_int(s, &ph->height);

            have_wh = 1;

            if(format == 1 || format == 4) break;

            continue;
        }
        if(format == 2 || format == 3 || format == 5 || format == 6)
        {
            /* P2, P3, P5, P6: */
            s = skip_int(s, &ph->maxval);

            if(ph->maxval > 65535) return;
        }
        break;
    }/* while(fgets( ) */
    if(format == 2 || format == 3 || format > 4)
    {
        if(ph->maxval < 1 || ph->maxval > 65535) return;
    }
    if(ph->width < 1 || ph->height < 1) return;

    if(format == 7)
    {
        if(!end)
        {
            fprintf(stderr,"read_pnm_header:P7 without ENDHDR\n"); return;
        }
        if(ph->depth < 1 || ph->depth > 4) return;

        if(ph->width && ph->height && ph->depth & ph->maxval && ttype)
            ph->ok = 1;
    }
    else
    {
        if(format != 1 && format != 4)
        {
            if(ph->width && ph->height && ph->maxval) ph->ok = 1;
        }
        else
        {
            if(ph->width && ph->height) ph->ok = 1;
            ph->maxval = 255;
        }
    }
}

static int has_prec(int val)
{
    if(val < 2) return 1;
    if(val < 4) return 2;
    if(val < 8) return 3;
    if(val < 16) return 4;
    if(val < 32) return 5;
    if(val < 64) return 6;
    if(val < 128) return 7;
    if(val < 256) return 8;
    if(val < 512) return 9;
    if(val < 1024) return 10;
    if(val < 2048) return 11;
    if(val < 4096) return 12;
    if(val < 8192) return 13;
    if(val < 16384) return 14;
    if(val < 32768) return 15;
    return 16;
}

opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) {
    int subsampling_dx = parameters->subsampling_dx;
    int subsampling_dy = parameters->subsampling_dy;

    FILE *fp = NULL;
    int i, compno, numcomps, w, h, prec, format;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */
    opj_image_t * image = NULL;
    struct pnm_header header_info;

    if((fp = fopen(filename, "rb")) == NULL)
    {
        fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n",filename);
        return NULL;
    }
    memset(&header_info, 0, sizeof(struct pnm_header));

    read_pnm_header(fp, &header_info);

    if(!header_info.ok) { fclose(fp); return NULL; }

    format = header_info.format;

    switch(format)
    {
    case 1: /* ascii bitmap */
    case 4: /* raw bitmap */
        numcomps = 1;
        break;

    case 2: /* ascii greymap */
    case 5: /* raw greymap */
        numcomps = 1;
        break;

    case 3: /* ascii pixmap */
    case 6: /* raw pixmap */
        numcomps = 3;
        break;

    case 7: /* arbitrary map */
        numcomps = header_info.depth;
        break;

    default: fclose(fp); return NULL;
    }
    if(numcomps < 3)
        color_space = OPJ_CLRSPC_GRAY;/* GRAY, GRAYA */
    else
        color_space = OPJ_CLRSPC_SRGB;/* RGB, RGBA */

    prec = has_prec(header_info.maxval);

    if(prec < 8) prec = 8;

    w = header_info.width;
    h = header_info.height;
    subsampling_dx = parameters->subsampling_dx;
    subsampling_dy = parameters->subsampling_dy;

    memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t));

    for(i = 0; i < numcomps; i++)
    {
        cmptparm[i].prec = prec;
        cmptparm[i].bpp = prec;
        cmptparm[i].sgnd = 0;
        cmptparm[i].dx = subsampling_dx;
        cmptparm[i].dy = subsampling_dy;
        cmptparm[i].w = w;
        cmptparm[i].h = h;
    }
    image = opj_image_create(numcomps, &cmptparm[0], color_space);

    if(!image) { fclose(fp); return NULL; }

    /* set image offset and reference grid */
    image->x0 = parameters->image_offset_x0;
    image->y0 = parameters->image_offset_y0;
    image->x1 = parameters->image_offset_x0 + (w - 1) *	subsampling_dx + 1;
    image->y1 = parameters->image_offset_y0 + (h - 1) *	subsampling_dy + 1;

    if((format == 2) || (format == 3)) /* ascii pixmap */
    {
        unsigned int index;

        for (i = 0; i < w * h; i++)
        {
            for(compno = 0; compno < numcomps; compno++)
            {
                index = 0;
                if (fscanf(fp, "%u", &index) != 1)
                    fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");

                image->comps[compno].data[i] = (index * 255)/header_info.maxval;
            }
        }
    }
    else
        if((format == 5)
                || (format == 6)
                ||((format == 7)
                   && (   header_info.gray || header_info.graya
                          || header_info.rgb || header_info.rgba)))/* binary pixmap */
        {
            unsigned char c0, c1, one;

            one = (prec < 9);

            for (i = 0; i < w * h; i++)
            {
                for(compno = 0; compno < numcomps; compno++)
                {
                    if ( !fread(&c0, 1, 1, fp) )
                        fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                    if(one)
                    {
                        image->comps[compno].data[i] = c0;
                    }
                    else
                    {
                        if ( !fread(&c1, 1, 1, fp) )
                            fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                        /* netpbm: */
                        image->comps[compno].data[i] = ((c0<<8) | c1);
                    }
                }
            }
        }
        else
            if(format == 1) /* ascii bitmap */
            {
                for (i = 0; i < w * h; i++)
                {
                    unsigned int index;

                    if ( fscanf(fp, "%u", &index) != 1)
                        fprintf(stderr, "\nWARNING: fscanf return a number of element different from the expected.\n");

                    image->comps[0].data[i] = (index?0:255);
                }
            }
            else
                if(format == 4)
                {
                    int x, y, bit;
                    unsigned char uc;

                    i = 0;
                    for(y = 0; y < h; ++y)
                    {
                        bit = -1; uc = 0;

                        for(x = 0; x < w; ++x)
                        {
                            if(bit == -1)
                            {
                                bit = 7;
                                uc = (unsigned char)getc(fp);
                            }
                            image->comps[0].data[i] = (((uc>>bit) & 1)?0:255);
                            --bit; ++i;
                        }
                    }
                }
                else
                    if((format == 7 && header_info.bw)) /*MONO*/
                    {
                        unsigned char uc;

                        for(i = 0; i < w * h; ++i)
                        {
                            if ( !fread(&uc, 1, 1, fp) )
                                fprintf(stderr, "\nError: fread return a number of element different from the expected.\n");
                            image->comps[0].data[i] = (uc & 1)?0:255;
                        }
                    }
    fclose(fp);

    return image;
}/* pnmtoimage() */

int imagetopnm(opj_image_t * image, const char *outfile) 
{
    int *red, *green, *blue, *alpha;
    int wr, hr, max;
    int i, compno, ncomp;
    int adjustR, adjustG, adjustB, adjustA;
    int fails, two, want_gray, has_alpha, triple;
    int prec, v;
    FILE *fdest = NULL;
    const char *tmp = outfile;
    char *destname;
    alpha = NULL;
    if((prec = image->comps[0].prec) > 16)
    {
        fprintf(stderr,"%s:%d:imagetopnm\n\tprecision %d is larger than 16"
                "\n\t: refused.\n",__FILE__,__LINE__,prec);
        return 1;
    }
    two = has_alpha = 0; fails = 1;
    ncomp = image->numcomps;

    while (*tmp) ++tmp; tmp -= 2;
    want_gray = (*tmp == 'g' || *tmp == 'G');
    ncomp = image->numcomps;

    if(want_gray) ncomp = 1;

    if (ncomp == 2 /* GRAYA */
            || (ncomp > 2 /* RGB, RGBA */
                && image->comps[0].dx == image->comps[1].dx
                && image->comps[1].dx == image->comps[2].dx
                && image->comps[0].dy == image->comps[1].dy
                && image->comps[1].dy == image->comps[2].dy
                && image->comps[0].prec == image->comps[1].prec
                && image->comps[1].prec == image->comps[2].prec
                ))
    {
        fdest = fopen(outfile, "wb");

        if (!fdest)
        {
            fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
            return fails;
        }
        two = (prec > 8);
        triple = (ncomp > 2);
        wr = image->comps[0].w; hr = image->comps[0].h;
        max = (1<<prec) - 1; has_alpha = (ncomp == 4 || ncomp == 2);

        red = image->comps[0].data;

        if(triple)
        {
            green = image->comps[1].data;
            blue = image->comps[2].data;
        }
        else green = blue = NULL;

        if(has_alpha)
        {
            const char *tt = (triple?"RGB_ALPHA":"GRAYSCALE_ALPHA");

            fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n"
                    "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(),
                    wr, hr, ncomp, max, tt);
            alpha = image->comps[ncomp - 1].data;
            adjustA = (image->comps[ncomp - 1].sgnd ?
                        1 << (image->comps[ncomp - 1].prec - 1) : 0);
        }
        else
        {
            fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n",
                    opj_version(), wr, hr, max);
            adjustA = 0;
        }
        adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);

        if(triple)
        {
            adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
            adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
        }
        else adjustG = adjustB = 0;

        for(i = 0; i < wr * hr; ++i)
        {
            if(two)
            {
                v = *red + adjustR; ++red;
                /* netpbm: */
                fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);

                if(triple)
                {
                    v = *green + adjustG; ++green;
                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);

                    v =  *blue + adjustB; ++blue;
                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);

                }/* if(triple) */

                if(has_alpha)
                {
                    v = *alpha + adjustA; ++alpha;
                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
                }
                continue;

            }	/* if(two) */

            /* prec <= 8: */

            fprintf(fdest, "%c", (unsigned char)*red++);
            if(triple)
                fprintf(fdest, "%c%c",(unsigned char)*green++, (unsigned char)*blue++);

            if(has_alpha)
                fprintf(fdest, "%c", (unsigned char)*alpha++);

        }	/* for(i */

        fclose(fdest); return 0;
    }

    /* YUV or MONO: */

    if (image->numcomps > ncomp)
    {
        fprintf(stderr,"WARNING -> [PGM file] Only the first component\n");
        fprintf(stderr,"           is written to the file\n");
    }
    destname = (char*)malloc(strlen(outfile) + 8);

    for (compno = 0; compno < ncomp; compno++)
    {
        if (ncomp > 1)
            sprintf(destname, "%d.%s", compno, outfile);
        else
            sprintf(destname, "%s", outfile);

        fdest = fopen(destname, "wb");
        if (!fdest)
        {
            fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname);
            free(destname);
            return 1;
        }
        wr = image->comps[compno].w; hr = image->comps[compno].h;
        prec = image->comps[compno].prec;
        max = (1<<prec) - 1;

        fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n",
                opj_version(), wr, hr, max);

        red = image->comps[compno].data;
        adjustR =
                (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);

        if(prec > 8)
        {
            for (i = 0; i < wr * hr; i++)
            {
                v = *red + adjustR; ++red;
                /* netpbm: */
                fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);

                if(has_alpha)
                {
                    v = *alpha++;
                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
                }
            }/* for(i */
        }
        else /* prec <= 8 */
        {
            for(i = 0; i < wr * hr; ++i)
            {
                fprintf(fdest, "%c", (unsigned char)(*red + adjustR)); ++red;
            }
        }
        fclose(fdest);
    } /* for (compno */
    free(destname);

    return 0;
}/* imagetopnm() */

#ifdef OPJ_HAVE_LIBTIFF
/* -->> -->> -->> -->>

    TIFF IMAGE FORMAT

 <<-- <<-- <<-- <<-- */

int imagetotif(opj_image_t * image, const char *outfile) 
{
    int width, height, imgsize;
    int bps,index,adjust, sgnd;
    int ushift, dshift, has_alpha, force16;
    TIFF *tif;
    tdata_t buf;
    tstrip_t strip;
    tsize_t strip_size;

    ushift = dshift = force16 = has_alpha = 0;
    bps = image->comps[0].prec;

    if(bps > 8 && bps < 16)
    {
        ushift = 16 - bps; dshift = bps - ushift;
        bps = 16; force16 = 1;
    }

    if(bps != 8 && bps != 16)
    {
        fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits implemented\n",
                bps);
        fprintf(stderr,"\tAborting\n");
        return 1;
    }
    tif = TIFFOpen(outfile, "wb");

    if (!tif)
    {
        fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile);
        return 1;
    }
    sgnd = image->comps[0].sgnd;
    adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0;

    if(image->numcomps >= 3
            && image->comps[0].dx == image->comps[1].dx
            && image->comps[1].dx == image->comps[2].dx
            && image->comps[0].dy == image->comps[1].dy
            && image->comps[1].dy == image->comps[2].dy
            && image->comps[0].prec == image->comps[1].prec
            && image->comps[1].prec == image->comps[2].prec)
    {
        has_alpha = (image->numcomps == 4);

        width   = image->comps[0].w;
        height  = image->comps[0].h;
        imgsize = width * height ;

        TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
        TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
        TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha);
        TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
        TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
        TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
        TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB);
        TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);
        strip_size = TIFFStripSize(tif);
        buf = _TIFFmalloc(strip_size);
        index=0;

        for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
        {
            unsigned char *dat8;
            tsize_t i, ssize, last_i = 0;
            int step, restx;
            ssize = TIFFStripSize(tif);
            dat8 = (unsigned char*)buf;

            if(bps == 8)
            {
                step = 3 + has_alpha;
                restx = step - 1;

                for(i=0; i < ssize - restx; i += step)
                {
                    int r, g, b, a = 0;

                    if(index < imgsize)
                    {
                        r = image->comps[0].data[index];
                        g = image->comps[1].data[index];
                        b = image->comps[2].data[index];
                        if(has_alpha) a = image->comps[3].data[index];

                        if(sgnd)
                        {
                            r += adjust;
                            g += adjust;
                            b += adjust;
                            if(has_alpha) a += adjust;
                        }
                        dat8[i+0] = r ;
                        dat8[i+1] = g ;
                        dat8[i+2] = b ;
                        if(has_alpha) dat8[i+3] = a;

                        index++;
                        last_i = i + step;
                    }
                    else
                        break;
                }/*for(i = 0;)*/

                if(last_i < ssize)
                {
                    for(i = last_i; i < ssize; i += step)
                    {
                        int r, g, b, a = 0;

                        if(index < imgsize)
                        {
                            r = image->comps[0].data[index];
                            g = image->comps[1].data[index];
                            b = image->comps[2].data[index];
                            if(has_alpha) a = image->comps[3].data[index];

                            if(sgnd)
                            {
                                r += adjust;
                                g += adjust;
                                b += adjust;
                                if(has_alpha) a += adjust;
                            }
                            dat8[i+0] = r ;
                            if(i+1 < ssize) dat8[i+1] = g ;  else break;
                            if(i+2 < ssize) dat8[i+2] = b ;  else break;
                            if(has_alpha)
                            {
                                if(i+3 < ssize) dat8[i+3] = a ;  else break;
                            }
                            index++;
                        }
                        else
                            break;
                    }/*for(i)*/
                }/*if(last_i < ssize)*/

            }	/*if(bps == 8)*/
            else
                if(bps == 16)
                {
                    step = 6 + has_alpha + has_alpha;
                    restx = step - 1;

                    for(i = 0; i < ssize - restx ; i += step)
                    {
                        int r, g, b, a = 0;

                        if(index < imgsize)
                        {
                            r = image->comps[0].data[index];
                            g = image->comps[1].data[index];
                            b = image->comps[2].data[index];
                            if(has_alpha) a = image->comps[3].data[index];

                            if(sgnd)
                            {
                                r += adjust;
                                g += adjust;
                                b += adjust;
                                if(has_alpha) a += adjust;
                            }
                            if(force16)
                            {
                                r = (r<<ushift) + (r>>dshift);
                                g = (g<<ushift) + (g>>dshift);
                                b = (b<<ushift) + (b>>dshift);
                                if(has_alpha) a = (a<<ushift) + (a>>dshift);
                            }
                            dat8[i+0] =  r;/*LSB*/
                            dat8[i+1] = (r >> 8);/*MSB*/
                            dat8[i+2] =  g;
                            dat8[i+3] = (g >> 8);
                            dat8[i+4] =  b;
                            dat8[i+5] = (b >> 8);
                            if(has_alpha)
                            {
                                dat8[i+6] =  a;
                                dat8[i+7] = (a >> 8);
                            }
                            index++;
                            last_i = i + step;
                        }
                        else
                            break;
                    }/*for(i = 0;)*/

                    if(last_i < ssize)
                    {
                        for(i = last_i ; i < ssize ; i += step)
                        {
                            int r, g, b, a = 0;

                            if(index < imgsize)
                            {
                                r = image->comps[0].data[index];
                                g = image->comps[1].data[index];
                                b = image->comps[2].data[index];
                                if(has_alpha) a = image->comps[3].data[index];

                                if(sgnd)
                                {
                                    r += adjust;
                                    g += adjust;
                                    b += adjust;
                                    if(has_alpha) a += adjust;
                                }
                                if(force16)
                                {
                                    r = (r<<ushift) + (r>>dshift);
                                    g = (g<<ushift) + (g>>dshift);
                                    b = (b<<ushift) + (b>>dshift);
                                    if(has_alpha) a = (a<<ushift) + (a>>dshift);
                                }
                                dat8[i+0] =  r;/*LSB*/
                                if(i+1 < ssize) dat8[i+1] = (r >> 8);else break;/*MSB*/
                                if(i+2 < ssize) dat8[i+2] =  g;      else break;
                                if(i+3 < ssize) dat8[i+3] = (g >> 8);else break;
                                if(i+4 < ssize) dat8[i+4] =  b;      else break;
                                if(i+5 < ssize) dat8[i+5] = (b >> 8);else break;

                                if(has_alpha)
                                {
                                    if(i+6 < ssize) dat8[i+6] = a; else break;
                                    if(i+7 < ssize) dat8[i+7] = (a >> 8); else break;
                                }
                                index++;
                            }
                            else
                                break;
                        }/*for(i)*/
                    }/*if(last_i < ssize)*/

                }/*if(bps == 16)*/
            (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
        }/*for(strip = 0; )*/

        _TIFFfree((void*)buf);
        TIFFClose(tif);

        return 0;
    }/*RGB(A)*/

    if(image->numcomps == 1 /* GRAY */
            || (   image->numcomps == 2 /* GRAY_ALPHA */
                   && image->comps[0].dx == image->comps[1].dx
                   && image->comps[0].dy == image->comps[1].dy
                   && image->comps[0].prec == image->comps[1].prec))
    {
        int step;

        has_alpha = (image->numcomps == 2);

        width   = image->comps[0].w;
        height  = image->comps[0].h;
        imgsize = width * height;

        /* Set tags */
        TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
        TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
        TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha);
        TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps);
        TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT);
        TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG);
        TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK);
        TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1);

        /* Get a buffer for the data */
        strip_size = TIFFStripSize(tif);
        buf = _TIFFmalloc(strip_size);
        index = 0;

        for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
        {
            unsigned char *dat8;
            tsize_t i, ssize = TIFFStripSize(tif);
            dat8 = (unsigned char*)buf;

            if(bps == 8)
            {
                step = 1 + has_alpha;

                for(i=0; i < ssize; i += step)
                {
                    if(index < imgsize)
                    {
                        int r, a = 0;

                        r = image->comps[0].data[index];
                        if(has_alpha) a = image->comps[1].data[index];

                        if(sgnd)
                        {
                            r += adjust;
                            if(has_alpha) a += adjust;
                        }
                        dat8[i+0] = r;
                        if(has_alpha) dat8[i+1] = a;
                        index++;
                    }
                    else
                        break;
                }/*for(i )*/
            }/*if(bps == 8*/
            else
                if(bps == 16)
                {
                    step = 2 + has_alpha + has_alpha;

                    for(i=0; i < ssize; i += step)
                    {
                        if(index < imgsize)
                        {
                            int r, a = 0;

                            r = image->comps[0].data[index];
                            if(has_alpha) a = image->comps[1].data[index];

                            if(sgnd)
                            {
                                r += adjust;
                                if(has_alpha) a += adjust;
                            }
                            if(force16)
                            {
                                r = (r<<ushift) + (r>>dshift);
                                if(has_alpha) a = (a<<ushift) + (a>>dshift);
                            }
                            dat8[i+0] = r;/*LSB*/
                            dat8[i+1] = r >> 8;/*MSB*/
                            if(has_alpha)
                            {
                                dat8[i+2] = a;
                                dat8[i+3] = a >> 8;
                            }
                            index++;
                        }/*if(index < imgsize)*/
                        else
                            break;
                    }/*for(i )*/
                }
            (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
        }/*for(strip*/

        _TIFFfree(buf);
        TIFFClose(tif);

        return 0;
    }

    TIFFClose(tif);

    fprintf(stderr,"imagetotif: Bad color format.\n"
            "\tOnly RGB(A) and GRAY(A) has been implemented\n");
    fprintf(stderr,"\tFOUND: numcomps(%d)\n\tAborting\n",
            image->numcomps);

    return 1;
}/* imagetotif() */

/*
 * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted
 * CINEMA                 : 12 bit precision
*/
opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters)
{
    int subsampling_dx = parameters->subsampling_dx;
    int subsampling_dy = parameters->subsampling_dy;
    TIFF *tif;
    tdata_t buf;
    tstrip_t strip;
    tsize_t strip_size;
    int j, numcomps, w, h,index;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t cmptparm[4]; /* RGBA */
    opj_image_t *image = NULL;
    int imgsize = 0;
    int has_alpha = 0;
    unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC;
    unsigned int tiWidth, tiHeight;

    tif = TIFFOpen(filename, "r");

    if(!tif)
    {
        fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename);
        return 0;
    }
    tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0;
    tiWidth = tiHeight = 0;

    TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth);
    TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight);
    TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps);
    TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf);
    TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp);
    TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto);
    TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC);
    w= tiWidth;
    h= tiHeight;

    if(tiBps != 8 && tiBps != 16 && tiBps != 12) tiBps = 0;
    if(tiPhoto != 1 && tiPhoto != 2) tiPhoto = 0;

    if( !tiBps || !tiPhoto)
    {
        if( !tiBps)
            fprintf(stderr,"imagetotif: Bits=%d, Only 8 and 16 bits"
                    " implemented\n",tiBps);
        else
            if( !tiPhoto)
                fprintf(stderr,"tiftoimage: Bad color format %d.\n\tOnly RGB(A)"
                        " and GRAY(A) has been implemented\n",(int) tiPhoto);

        fprintf(stderr,"\tAborting\n");
        TIFFClose(tif);

        return NULL;
    }

    {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */
        uint16* sampleinfo;
        uint16 extrasamples;

        TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES,
                              &extrasamples, &sampleinfo);

        if(extrasamples >= 1)
        {
            switch(sampleinfo[0])
            {
            case EXTRASAMPLE_UNSPECIFIED:
                /* Workaround for some images without correct info about alpha channel
*/
                if(tiSpp > 3)
                    has_alpha = 1;
                break;

            case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */
            case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */
                has_alpha = 1;
                break;
            }
        }
        else /* extrasamples == 0 */
            if(tiSpp == 4 || tiSpp == 2) has_alpha = 1;
    }

    /* initialize image components
*/ 
    memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t));

    if ((tiPhoto == PHOTOMETRIC_RGB) && (parameters->cp_cinema)) {
        fprintf(stdout,"WARNING:\n"
                "Input image bitdepth is %d bits\n"
                "TIF conversion has automatically rescaled to 12-bits\n"
                "to comply with cinema profiles.\n",
                tiBps);
    }

    if(tiPhoto == PHOTOMETRIC_RGB) /* RGB(A) */
    {
        numcomps = 3 + has_alpha;
        color_space = OPJ_CLRSPC_SRGB;

        /*#define USETILEMODE*/
        for(j = 0; j < numcomps; j++)
        {
            if(parameters->cp_cinema)
            {
                cmptparm[j].prec = 12;
                cmptparm[j].bpp = 12;
            }
            else
            {
                cmptparm[j].prec = tiBps;
                cmptparm[j].bpp = tiBps;
            }
            cmptparm[j].dx = subsampling_dx;
            cmptparm[j].dy = subsampling_dy;
            cmptparm[j].w = w;
            cmptparm[j].h = h;
#ifdef USETILEMODE
            cmptparm[j].x0 = 0;
            cmptparm[j].y0 = 0;
#endif
        }

#ifdef USETILEMODE
        image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
#else
        image = opj_image_create(numcomps, &cmptparm[0], color_space);
#endif

        if(!image)
        {
            TIFFClose(tif);
            return NULL;
        }
        /* set image offset and reference grid
*/
        image->x0 = parameters->image_offset_x0;
        image->y0 = parameters->image_offset_y0;
        image->x1 =	!image->x0 ? (w - 1) * subsampling_dx + 1 :
                                 image->x0 + (w - 1) * subsampling_dx + 1;
        image->y1 =	!image->y0 ? (h - 1) * subsampling_dy + 1 :
                                 image->y0 + (h - 1) * subsampling_dy + 1;

        buf = _TIFFmalloc(TIFFStripSize(tif));

        strip_size=TIFFStripSize(tif);
        index = 0;
        imgsize = image->comps[0].w * image->comps[0].h ;
        /* Read the Image components
*/
        for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
        {
            unsigned char *dat8;
            int step;
            tsize_t i, ssize;
            ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
            dat8 = (unsigned char*)buf;

            if(tiBps == 16)
            {
                step = 6 + has_alpha + has_alpha;

                for(i = 0; i < ssize; i += step)
                {
                    if(index < imgsize)
                    {
                        image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0]; /* R */
                        image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2]; /* G */
                        image->comps[2].data[index] = ( dat8[i+5] << 8 ) | dat8[i+4]; /* B */
                        if(has_alpha)
                            image->comps[3].data[index] = ( dat8[i+7] << 8 ) | dat8[i+6];

                        if(parameters->cp_cinema)
                        {
                            /* Rounding 16 to 12 bits
*/
                            image->comps[0].data[index] =
                                    (image->comps[0].data[index] + 0x08) >> 4 ;
                            image->comps[1].data[index] =
                                    (image->comps[1].data[index] + 0x08) >> 4 ;
                            image->comps[2].data[index] =
                                    (image->comps[2].data[index] + 0x08) >> 4 ;
                            if(has_alpha)
                                image->comps[3].data[index] =
                                        (image->comps[3].data[index] + 0x08) >> 4 ;
                        }
                        index++;
                    }
                    else
                        break;
                }/*for(i = 0)*/
            }/*if(tiBps == 16)*/
            else
                if(tiBps == 8)
                {
                    step = 3 + has_alpha;

                    for(i = 0; i < ssize; i += step)
                    {
                        if(index < imgsize)
                        {
#ifndef USETILEMODE
                            image->comps[0].data[index] = dat8[i+0];/* R */
                            image->comps[1].data[index] = dat8[i+1];/* G */
                            image->comps[2].data[index] = dat8[i+2];/* B */
                            if(has_alpha)
                                image->comps[3].data[index] = dat8[i+3];
#endif

                            if(parameters->cp_cinema)
                            {
                                /* Rounding 8 to 12 bits
*/
#ifndef USETILEMODE
                                image->comps[0].data[index] = image->comps[0].data[index] << 4 ;
                                image->comps[1].data[index] = image->comps[1].data[index] << 4 ;
                                image->comps[2].data[index] = image->comps[2].data[index] << 4 ;
                                if(has_alpha)
                                    image->comps[3].data[index] = image->comps[3].data[index] << 4 ;
#endif
                            }
                            index++;
                        }/*if(index*/
                        else
                            break;
                    }/*for(i )*/
                }/*if( tiBps == 8)*/
                else
                    if(tiBps == 12)/* CINEMA file */
                    {
                        step = 9;

                        for(i = 0; i < ssize; i += step)
                        {
                            if((index < imgsize)&(index+1 < imgsize))
                            {
                                image->comps[0].data[index]   = ( dat8[i+0]<<4 )        |(dat8[i+1]>>4);
                                image->comps[1].data[index]   = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];

                                image->comps[2].data[index]   = ( dat8[i+3]<<4)         |(dat8[i+4]>>4);
                                image->comps[0].data[index+1] = ((dat8[i+4]& 0x0f)<< 8) | dat8[i+5];

                                image->comps[1].data[index+1] = ( dat8[i+6] <<4)        |(dat8[i+7]>>4);
                                image->comps[2].data[index+1] = ((dat8[i+7]& 0x0f)<< 8) | dat8[i+8];

                                index += 2;
                            }
                            else
                                break;
                        }/*for(i )*/
                    }
        }/*for(strip = 0; )*/

        _TIFFfree(buf);
        TIFFClose(tif);

        return image;
    }/*RGB(A)*/

    if(tiPhoto == PHOTOMETRIC_MINISBLACK) /* GRAY(A) */
    {
        numcomps = 1 + has_alpha;
        color_space = OPJ_CLRSPC_GRAY;

        for(j = 0; j < numcomps; ++j)
        {
            cmptparm[j].prec = tiBps;
            cmptparm[j].bpp = tiBps;
            cmptparm[j].dx = subsampling_dx;
            cmptparm[j].dy = subsampling_dy;
            cmptparm[j].w = w;
            cmptparm[j].h = h;
        }
#ifdef USETILEMODE
        image = opj_image_tile_create(numcomps,&cmptparm[0],color_space);
#else
        image = opj_image_create(numcomps, &cmptparm[0], color_space);
#endif

        if(!image)
        {
            TIFFClose(tif);
            return NULL;
        }
        /* set image offset and reference grid
*/
        image->x0 = parameters->image_offset_x0;
        image->y0 = parameters->image_offset_y0;
        image->x1 =	!image->x0 ? (w - 1) * subsampling_dx + 1 :
                                 image->x0 + (w - 1) * subsampling_dx + 1;
        image->y1 =	!image->y0 ? (h - 1) * subsampling_dy + 1 :
                                 image->y0 + (h - 1) * subsampling_dy + 1;

        buf = _TIFFmalloc(TIFFStripSize(tif));

        strip_size = TIFFStripSize(tif);
        index = 0;
        imgsize = image->comps[0].w * image->comps[0].h ;
        /* Read the Image components
*/
        for(strip = 0; strip < TIFFNumberOfStrips(tif); strip++)
        {
            unsigned char *dat8;
            tsize_t i, ssize;
            int step;

            ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
            dat8 = (unsigned char*)buf;

            if(tiBps == 16)
            {
                step = 2 + has_alpha + has_alpha;

                for(i = 0; i < ssize; i += step)
                {
                    if(index < imgsize)
                    {
                        image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
                        if(has_alpha)
                            image->comps[1].data[index] = ( dat8[i+3] << 8 ) | dat8[i+2];
                        index++;
                    }
                    else
                        break;
                }/*for(i )*/
            }
            else
                if(tiBps == 8)
                {
                    step = 1 + has_alpha;

                    for(i = 0; i < ssize; i += step)
                    {
                        if(index < imgsize)
                        {
                            image->comps[0].data[index] = dat8[i+0];
                            if(has_alpha)
                                image->comps[1].data[index] = dat8[i+1];
                            index++;
                        }
                        else
                            break;
                    }/*for(i )*/
                }
        }/*for(strip = 0;*/

        _TIFFfree(buf);
        TIFFClose(tif);

    }/*GRAY(A)*/

    return image;

}/* tiftoimage() */

#endif /* OPJ_HAVE_LIBTIFF */

/* -->> -->> -->> -->>

    RAW IMAGE FORMAT

 <<-- <<-- <<-- <<-- */
static opj_image_t* rawtoimage_common(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp, OPJ_BOOL big_endian) {
    int subsampling_dx = parameters->subsampling_dx;
    int subsampling_dy = parameters->subsampling_dy;

    FILE *f = NULL;
    int i, compno, numcomps, w, h;
    OPJ_COLOR_SPACE color_space;
    opj_image_cmptparm_t *cmptparm;
    opj_image_t * image = NULL;
    unsigned short ch;

    if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
    {
        fprintf(stderr,"\nError: invalid raw image parameters\n");
        fprintf(stderr,"Please use the Format option -F:\n");
        fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
        fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
        fprintf(stderr,"Aborting\n");
        return NULL;
    }

    f = fopen(filename, "rb");
    if (!f) {
        fprintf(stderr, "Failed to open %s for reading !!\n", filename);
        fprintf(stderr,"Aborting\n");
        return NULL;
    }
    numcomps = raw_cp->rawComp;
    color_space = OPJ_CLRSPC_SRGB;
    w = raw_cp->rawWidth;
    h = raw_cp->rawHeight;
    cmptparm = (opj_image_cmptparm_t*) malloc(numcomps * sizeof(opj_image_cmptparm_t));

    /* initialize image components */
    memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t));
    for(i = 0; i < numcomps; i++) {
        cmptparm[i].prec = raw_cp->rawBitDepth;
        cmptparm[i].bpp = raw_cp->rawBitDepth;
        cmptparm[i].sgnd = raw_cp->rawSigned;
        cmptparm[i].dx = subsampling_dx;
        cmptparm[i].dy = subsampling_dy;
        cmptparm[i].w = w;
        cmptparm[i].h = h;
    }
    /* create the image */
    image = opj_image_create(numcomps, &cmptparm[0], color_space);
    free(cmptparm);
    if(!image) {
        fclose(f);
        return NULL;
    }
    /* set image offset and reference grid */
    image->x0 = parameters->image_offset_x0;
    image->y0 = parameters->image_offset_y0;
    image->x1 = parameters->image_offset_x0 + (w - 1) *	subsampling_dx + 1;
    image->y1 = parameters->image_offset_y0 + (h - 1) *	subsampling_dy + 1;

    if(raw_cp->rawBitDepth <= 8)
    {
        unsigned char value = 0;
        for(compno = 0; compno < numcomps; compno++) {
            for (i = 0; i < w * h; i++) {
                if (!fread(&value, 1, 1, f)) {
                    fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
                    return NULL;
                }
                image->comps[compno].data[i] = raw_cp->rawSigned?(char)value:value;
            }
        }
    }
    else if(raw_cp->rawBitDepth <= 16)
    {
        unsigned short value;
        for(compno = 0; compno < numcomps; compno++) {
            for (i = 0; i < w * h; i++) {
                unsigned char temp1;
                unsigned char temp2;
                if (!fread(&temp1, 1, 1, f)) {
                    fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
                    return NULL;
                }
                if (!fread(&temp2, 1, 1, f)) {
                    fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
                    return NULL;
                }
                if( big_endian )
                {
                    value = temp1 << 8;
                    value += temp2;
                }
                else
                {
                    value = temp2 << 8;
                    value += temp1;
                }
                image->comps[compno].data[i] = raw_cp->rawSigned?(short)value:value;
            }
        }
    }
    else {
        fprintf(stderr,"OpenJPEG cannot encode raw components with bit depth higher than 16 bits.\n");
        return NULL;
    }

    if (fread(&ch, 1, 1, f)) {
        fprintf(stderr,"Warning. End of raw file not reached... processing anyway\n");
    }
    fclose(f);

    return image;
}

opj_image_t* rawltoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
    return rawtoimage_common(filename, parameters, raw_cp, OPJ_FALSE);
}

opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
    return rawtoimage_common(filename, parameters, raw_cp, OPJ_TRUE);
}

static int imagetoraw_common(opj_image_t * image, const char *outfile, OPJ_BOOL big_endian)
{
    FILE *rawFile = NULL;
    size_t res;
    int compno;
    int w, h;
    int line, row;
    int *ptr;

    if((image->numcomps * image->x1 * image->y1) == 0)
    {
        fprintf(stderr,"\nError: invalid raw image parameters\n");
        return 1;
    }

    rawFile = fopen(outfile, "wb");
    if (!rawFile) {
        fprintf(stderr, "Failed to open %s for writing !!\n", outfile);
        return 1;
    }

    fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);

    for(compno = 0; compno < image->numcomps; compno++)
    {
        fprintf(stdout,"Component %d characteristics: %dx%dx%d %s\n", compno, image->comps[compno].w,
                image->comps[compno].h, image->comps[compno].prec, image->comps[compno].sgnd==1 ? "signed": "unsigned");

        w = image->comps[compno].w;
        h = image->comps[compno].h;

        if(image->comps[compno].prec <= 8)
        {
            if(image->comps[compno].sgnd == 1)
            {
                signed char curr;
                int mask = (1 << image->comps[compno].prec) - 1;
                ptr = image->comps[compno].data;
                for (line = 0; line < h; line++) {
                    for(row = 0; row < w; row++)	{
                        curr = (signed char) (*ptr & mask);
                        res = fwrite(&curr, sizeof(signed char), 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        ptr++;
                    }
                }
            }
            else if(image->comps[compno].sgnd == 0)
            {
                unsigned char curr;
                int mask = (1 << image->comps[compno].prec) - 1;
                ptr = image->comps[compno].data;
                for (line = 0; line < h; line++) {
                    for(row = 0; row < w; row++)	{
                        curr = (unsigned char) (*ptr & mask);
                        res = fwrite(&curr, sizeof(unsigned char), 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        ptr++;
                    }
                }
            }
        }
        else if(image->comps[compno].prec <= 16)
        {
            if(image->comps[compno].sgnd == 1)
            {
                signed short int curr;
                int mask = (1 << image->comps[compno].prec) - 1;
                ptr = image->comps[compno].data;
                for (line = 0; line < h; line++) {
                    for(row = 0; row < w; row++)	{
                        unsigned char temp1;
                        unsigned char temp2;
                        curr = (signed short int) (*ptr & mask);
                        if( big_endian )
                        {
                            temp1 = (unsigned char) (curr >> 8);
                            temp2 = (unsigned char) curr;
                        }
                        else
                        {
                            temp2 = (unsigned char) (curr >> 8);
                            temp1 = (unsigned char) curr;
                        }
                        res = fwrite(&temp1, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        res = fwrite(&temp2, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        ptr++;
                    }
                }
            }
            else if(image->comps[compno].sgnd == 0)
            {
                unsigned short int curr;
                int mask = (1 << image->comps[compno].prec) - 1;
                ptr = image->comps[compno].data;
                for (line = 0; line < h; line++) {
                    for(row = 0; row < w; row++)	{
                        unsigned char temp1;
                        unsigned char temp2;
                        curr = (unsigned short int) (*ptr & mask);
                        if( big_endian )
                        {
                            temp1 = (unsigned char) (curr >> 8);
                            temp2 = (unsigned char) curr;
                        }
                        else
                        {
                            temp2 = (unsigned char) (curr >> 8);
                            temp1 = (unsigned char) curr;
                        }
                        res = fwrite(&temp1, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        res = fwrite(&temp2, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            return 1;
                        }
                        ptr++;
                    }
                }
            }
        }
        else if (image->comps[compno].prec <= 32)
        {
            fprintf(stderr,"More than 16 bits per component no handled yet\n");
            return 1;
        }
        else
        {
            fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
            return 1;
        }
    }
    fclose(rawFile);
    return 0;
}

int imagetoraw(opj_image_t * image, const char *outfile)
{
    return imagetoraw_common(image, outfile, OPJ_TRUE);
}

int imagetorawl(opj_image_t * image, const char *outfile)
{
    return imagetoraw_common(image, outfile, OPJ_FALSE);
}

#ifdef OPJ_HAVE_LIBPNG

#define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a"
#define MAGIC_SIZE 8
/* PNG allows bits per sample: 1, 2, 4, 8, 16 */

opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params)
{
    png_structp  png;
    png_infop    info;
    double gamma, display_exponent;
    int bit_depth, interlace_type,compression_type, filter_type;
    int unit;
    png_uint_32 resx, resy;
    unsigned int i, j;
    png_uint_32  width, height;
    int color_type, has_alpha, is16;
    unsigned char *s;
    FILE *reader;
    unsigned char **rows;
    /* j2k: */
    opj_image_t *image;
    opj_image_cmptparm_t cmptparm[4];
    int sub_dx, sub_dy;
    unsigned int nr_comp;
    int *r, *g, *b, *a;
    unsigned char sigbuf[8];

    if((reader = fopen(read_idf, "rb")) == NULL)
    {
        fprintf(stderr,"pngtoimage: can not open %s\n",read_idf);
        return NULL;
    }
    image = NULL; png = NULL; rows = NULL;

    if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE
            || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0)
    {
        fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf);
        goto fin;
    }
    /* libpng-VERSION/example.c:
 * PC : screen_gamma = 2.2;
 * Mac: screen_gamma = 1.7 or 1.0;
*/
    display_exponent = 2.2;

    if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING,
                                     NULL, NULL, NULL)) == NULL)
        goto fin;
    if((info = png_create_info_struct(png)) == NULL)
        goto fin;

    if(setjmp(png_jmpbuf(png)))
        goto fin;

    png_init_io(png, reader);
    png_set_sig_bytes(png, MAGIC_SIZE);

    png_read_info(png, info);

    if(png_get_IHDR(png, info, &width, &height,
                    &bit_depth, &color_type, &interlace_type,
                    &compression_type, &filter_type) == 0)
        goto fin;

    /* png_set_expand():
 * expand paletted images to RGB, expand grayscale images of
 * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
 * to alpha channels.
*/
    if(color_type == PNG_COLOR_TYPE_PALETTE)
        png_set_expand(png);
    else
        if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
            png_set_expand(png);

    if(png_get_valid(png, info, PNG_INFO_tRNS))
        png_set_expand(png);

    is16 = (bit_depth == 16);

    /* GRAY => RGB; GRAY_ALPHA => RGBA
*/
    if(color_type == PNG_COLOR_TYPE_GRAY
            || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
    {
        png_set_gray_to_rgb(png);
        color_type =
                (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB:
                                                    PNG_COLOR_TYPE_RGB_ALPHA);
    }
    if( !png_get_gAMA(png, info, &gamma))
        gamma = 0.45455;

    png_set_gamma(png, display_exponent, gamma);

    png_read_update_info(png, info);

    png_get_pHYs(png, info, &resx, &resy, &unit);

    color_type = png_get_color_type(png, info);

    has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);

    nr_comp = 3 + has_alpha;

    bit_depth = png_get_bit_depth(png, info);

    rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*));
    for(i = 0; i < height; ++i)
        rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info));

    png_read_image(png, rows);

    memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));

    sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;

    for(i = 0; i < nr_comp; ++i)
    {
        cmptparm[i].prec = bit_depth;
        /* bits_per_pixel: 8 or 16 */
        cmptparm[i].bpp = bit_depth;
        cmptparm[i].sgnd = 0;
        cmptparm[i].dx = sub_dx;
        cmptparm[i].dy = sub_dy;
        cmptparm[i].w = width;
        cmptparm[i].h = height;
    }

    image = opj_image_create(nr_comp, &cmptparm[0], OPJ_CLRSPC_SRGB);

    if(image == NULL) goto fin;

    image->x0 = params->image_offset_x0;
    image->y0 = params->image_offset_y0;
    image->x1 = image->x0 + (width  - 1) * sub_dx + 1 + image->x0;
    image->y1 = image->y0 + (height - 1) * sub_dy + 1 + image->y0;

    r = image->comps[0].data;
    g = image->comps[1].data;
    b = image->comps[2].data;
    a = image->comps[3].data;

    for(i = 0; i < height; ++i)
    {
        s = rows[i];

        for(j = 0; j < width; ++j)
        {
            if(is16)
            {
                *r++ = s[0]<<8|s[1]; s += 2;

                *g++ = s[0]<<8|s[1]; s += 2;

                *b++ = s[0]<<8|s[1]; s += 2;

                if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; }

                continue;
            }
            *r++ = *s++; *g++ = *s++; *b++ = *s++;

            if(has_alpha) *a++ = *s++;
        }
    }
fin:
    if(rows)
    {
        for(i = 0; i < height; ++i)
            free(rows[i]);
        free(rows);
    }
    if(png)
        png_destroy_read_struct(&png, &info, NULL);

    fclose(reader);

    return image;

}/* pngtoimage() */

int imagetopng(opj_image_t * image, const char *write_idf)
{
    FILE *writer;
    png_structp png;
    png_infop info;
    int *red, *green, *blue, *alpha;
    unsigned char *row_buf, *d;
    int has_alpha, width, height, nr_comp, color_type;
    int adjustR, adjustG, adjustB, adjustA, x, y, fails;
    int prec, ushift, dshift, is16, force16, force8;
    unsigned short mask = 0xffff;
    png_color_8 sig_bit;

    is16 = force16 = force8 = ushift = dshift = 0; fails = 1;
    prec = image->comps[0].prec;
    nr_comp = image->numcomps;

    if(prec > 8 && prec < 16)
    {
        ushift = 16 - prec; dshift = prec - ushift;
        prec = 16; force16 = 1;
    }
    else
        if(prec < 8 && nr_comp > 1)/* GRAY_ALPHA, RGB, RGB_ALPHA */
        {
            ushift = 8 - prec; dshift = 8 - ushift;
            prec = 8; force8 = 1;
        }

    if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16)
    {
        fprintf(stderr,"imagetopng: can not create %s"
                "\n\twrong bit_depth %d\n", write_idf, prec);
        return fails;
    }
    writer = fopen(write_idf, "wb");

    if(writer == NULL) return fails;

    info = NULL; has_alpha = 0;

    /* Create and initialize the png_struct with the desired error handler
 * functions.  If you want to use the default stderr and longjump method,
 * you can supply NULL for the last three parameters.  We also check that
 * the library version is compatible with the one used at compile time,
 * in case we are using dynamically linked libraries.  REQUIRED.
*/
    png = png_create_write_struct(PNG_LIBPNG_VER_STRING,
                                  NULL, NULL, NULL);
    /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */

    if(png == NULL) goto fin;

    /* Allocate/initialize the image information data.  REQUIRED
*/
    info = png_create_info_struct(png);

    if(info == NULL) goto fin;

    /* Set error handling.  REQUIRED if you are not supplying your own
 * error handling functions in the png_create_write_struct() call.
*/
    if(setjmp(png_jmpbuf(png))) goto fin;

    /* I/O initialization functions is REQUIRED
*/
    png_init_io(png, writer);

    /* Set the image information here.  Width and height are up to 2^31,
 * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
 * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
 * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
 * or PNG_COLOR_TYPE_RGB_ALPHA.  interlace is either PNG_INTERLACE_NONE or
 * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
 * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE.
 * REQUIRED
 *
 * ERRORS:
 *
 * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8
 * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8
 * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8
 * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8
 *
*/
    png_set_compression_level(png, Z_BEST_COMPRESSION);

    if(prec == 16) mask = 0xffff;
    else
        if(prec == 8) mask = 0x00ff;
        else
            if(prec == 4) mask = 0x000f;
            else
                if(prec == 2) mask = 0x0003;
                else
                    if(prec == 1) mask = 0x0001;

    if(nr_comp >= 3
            && image->comps[0].dx == image->comps[1].dx
            && image->comps[1].dx == image->comps[2].dx
            && image->comps[0].dy == image->comps[1].dy
            && image->comps[1].dy == image->comps[2].dy
            && image->comps[0].prec == image->comps[1].prec
            && image->comps[1].prec == image->comps[2].prec)
    {
        int v;

        has_alpha = (nr_comp > 3);

        is16 = (prec == 16);

        width = image->comps[0].w;
        height = image->comps[0].h;

        red = image->comps[0].data;
        green = image->comps[1].data;
        blue = image->comps[2].data;

        sig_bit.red = sig_bit.green = sig_bit.blue = prec;

        if(has_alpha)
        {
            sig_bit.alpha = prec;
            alpha = image->comps[3].data;
            color_type = PNG_COLOR_TYPE_RGB_ALPHA;
            adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0);
        }
        else
        {
            sig_bit.alpha = 0; alpha = NULL;
            color_type = PNG_COLOR_TYPE_RGB;
            adjustA = 0;
        }
        png_set_sBIT(png, info, &sig_bit);

        png_set_IHDR(png, info, width, height, prec,
                     color_type,
                     PNG_INTERLACE_NONE,
                     PNG_COMPRESSION_TYPE_BASE,  PNG_FILTER_TYPE_BASE);

        png_set_gamma(png, 2.2, 1./2.2);
        png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
        /*=============================*/
        png_write_info(png, info);
        /*=============================*/
        if(prec < 8)
        {
            png_set_packing(png);
        }
        adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
        adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
        adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);

        row_buf = (unsigned char*)malloc(width * nr_comp * 2);

        for(y = 0; y < height; ++y)
        {
            d = row_buf;

            for(x = 0; x < width; ++x)
            {
                if(is16)
                {
                    v = *red + adjustR; ++red;

                    if(force16) { v = (v<<ushift) + (v>>dshift); }

                    *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;

                    v = *green + adjustG; ++green;

                    if(force16) { v = (v<<ushift) + (v>>dshift); }

                    *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;

                    v =  *blue + adjustB; ++blue;

                    if(force16) { v = (v<<ushift) + (v>>dshift); }

                    *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;

                    if(has_alpha)
                    {
                        v = *alpha + adjustA; ++alpha;

                        if(force16) { v = (v<<ushift) + (v>>dshift); }

                        *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
                    }
                    continue;
                }/* if(is16) */

                v = *red + adjustR; ++red;

                if(force8) { v = (v<<ushift) + (v>>dshift); }

                *d++ = (unsigned char)(v & mask);

                v = *green + adjustG; ++green;

                if(force8) { v = (v<<ushift) + (v>>dshift); }

                *d++ = (unsigned char)(v & mask);

                v = *blue + adjustB; ++blue;

                if(force8) { v = (v<<ushift) + (v>>dshift); }

                *d++ = (unsigned char)(v & mask);

                if(has_alpha)
                {
                    v = *alpha + adjustA; ++alpha;

                    if(force8) { v = (v<<ushift) + (v>>dshift); }

                    *d++ = (unsigned char)(v & mask);
                }
            }	/* for(x) */

            png_write_row(png, row_buf);

        }	/* for(y) */
        free(row_buf);

    }/* nr_comp >= 3 */
    else
        if(nr_comp == 1 /* GRAY */
                || (   nr_comp == 2 /* GRAY_ALPHA */
                       && image->comps[0].dx == image->comps[1].dx
                       && image->comps[0].dy == image->comps[1].dy
                       && image->comps[0].prec == image->comps[1].prec))
        {
            int v;

            red = image->comps[0].data;

            sig_bit.gray = prec;
            sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0;
            alpha = NULL; adjustA = 0;
            color_type = PNG_COLOR_TYPE_GRAY;

            if(nr_comp == 2)
            {
                has_alpha = 1; sig_bit.alpha = prec;
                alpha = image->comps[1].data;
                color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
                adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
            }
            width = image->comps[0].w;
            height = image->comps[0].h;

            png_set_IHDR(png, info, width, height, sig_bit.gray,
                         color_type,
                         PNG_INTERLACE_NONE,
                         PNG_COMPRESSION_TYPE_BASE,  PNG_FILTER_TYPE_BASE);

            png_set_sBIT(png, info, &sig_bit);

            png_set_gamma(png, 2.2, 1./2.2);
            png_set_sRGB(png, info, PNG_sRGB_INTENT_PERCEPTUAL);
            /*=============================*/
            png_write_info(png, info);
            /*=============================*/
            adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);

            if(prec < 8)
            {
                png_set_packing(png);
            }

            if(prec > 8)
            {
                row_buf = (unsigned char*)
                        malloc(width * nr_comp * sizeof(unsigned short));

                for(y = 0; y < height; ++y)
                {
                    d = row_buf;

                    for(x = 0; x < width; ++x)
                    {
                        v = *red + adjustR; ++red;

                        if(force16) { v = (v<<ushift) + (v>>dshift); }

                        *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;

                        if(has_alpha)
                        {
                            v = *alpha++;

                            if(force16) { v = (v<<ushift) + (v>>dshift); }

                            *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
                        }
                    }/* for(x) */
                    png_write_row(png, row_buf);

                }	/* for(y) */
                free(row_buf);
            }
            else /* prec <= 8 */
            {
                row_buf = (unsigned char*)calloc(width, nr_comp * 2);

                for(y = 0; y < height; ++y)
                {
                    d = row_buf;

                    for(x = 0; x < width; ++x)
                    {
                        v = *red + adjustR; ++red;

                        if(force8) { v = (v<<ushift) + (v>>dshift); }

                        *d++ = (unsigned char)(v & mask);

                        if(has_alpha)
                        {
                            v = *alpha + adjustA; ++alpha;

                            if(force8) { v = (v<<ushift) + (v>>dshift); }

                            *d++ = (unsigned char)(v & mask);
                        }
                    }/* for(x) */

                    png_write_row(png, row_buf);

                }	/* for(y) */
                free(row_buf);
            }
        }
        else
        {
            fprintf(stderr,"imagetopng: can not create %s\n",write_idf);
            goto fin;
        }
    png_write_end(png, info);

    fails = 0;

fin:

    if(png)
    {
        png_destroy_write_struct(&png, &info);
    }
    fclose(writer);

    if(fails) remove(write_idf);

    return fails;
}/* imagetopng() */
#endif /* OPJ_HAVE_LIBPNG */
