openjpeg/src/bin/jp2/convert.c

/*
 * The copyright in this software is being made available under the 2-clauses 
 * BSD License, included below. This software may be subject to other third 
 * party and contributor rights, including patent rights, and no such rights
 * are granted under this license.
 *
 * Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
 * Copyright (c) 2002-2014, Professor Benoit Macq
 * Copyright (c) 2001-2003, David Janssens
 * Copyright (c) 2002-2003, Yannick Verschueren
 * Copyright (c) 2003-2007, Francois-Olivier Devaux 
 * Copyright (c) 2003-2014, 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>

#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;
}

/* Component precision scaling */
void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
{
	OPJ_SIZE_T i;
	OPJ_SIZE_T len;
	OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32)-1);
	
	len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
	if (precision < 32) {
		umax = (1U << precision) - 1U;
	}
	
	if (component->sgnd) {
		OPJ_INT32* l_data = component->data;
		OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
		OPJ_INT32 min = -max - 1;
		for (i = 0; i < len; ++i) {
			if (l_data[i] > max) {
				l_data[i] = max;
			} else if (l_data[i] < min) {
				l_data[i] = min;
			}
		}
	} else {
		OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
		for (i = 0; i < len; ++i) {
			if (l_data[i] > umax) {
				l_data[i] = umax;
			}
		}
	}
	component->prec = precision;
}

/* Component precision scaling */
static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision)
{
	OPJ_SIZE_T i, len;
	
	len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
	if (component->sgnd) {
		OPJ_INT64  newMax = (OPJ_INT64)(1U << (precision - 1));
		OPJ_INT64  oldMax = (OPJ_INT64)(1U << (component->prec - 1));
		OPJ_INT32* l_data = component->data;
		for (i = 0; i < len; ++i) {
			l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax);
		}
	} else {
		OPJ_UINT64  newMax = (OPJ_UINT64)((1U << precision) - 1U);
		OPJ_UINT64  oldMax = (OPJ_UINT64)((1U << component->prec) - 1U);
		OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
		for (i = 0; i < len; ++i) {
			l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax);
		}
	}
	component->prec = precision;
	component->bpp = precision;
}
void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
{
	int shift;
	OPJ_SIZE_T i, len;
	
	if (component->prec == precision) {
		return;
	}
	if (component->prec < precision) {
		scale_component_up(component, precision);
		return;
	}
	shift = (int)(component->prec - precision);
	len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
	if (component->sgnd) {
		OPJ_INT32* l_data = component->data;
		for (i = 0; i < len; ++i) {
			l_data[i] >>= shift;
		}
	} else {
		OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
		for (i = 0; i < len; ++i) {
			l_data[i] >>= shift;
		}
	}
	component->bpp = precision;
	component->prec = precision;
}


/* planar / interleaved conversions */
/* used by PNG/TIFF */
static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
{
	memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32));
}
static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	OPJ_INT32* pDst0 = pDst[0];
	OPJ_INT32* pDst1 = pDst[1];
	
	for (i = 0; i < length; i++) {
		pDst0[i] = pSrc[2*i+0];
		pDst1[i] = pSrc[2*i+1];
	}
}
static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	OPJ_INT32* pDst0 = pDst[0];
	OPJ_INT32* pDst1 = pDst[1];
	OPJ_INT32* pDst2 = pDst[2];
	
	for (i = 0; i < length; i++) {
		pDst0[i] = pSrc[3*i+0];
		pDst1[i] = pSrc[3*i+1];
		pDst2[i] = pSrc[3*i+2];
	}
}
static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	OPJ_INT32* pDst0 = pDst[0];
	OPJ_INT32* pDst1 = pDst[1];
	OPJ_INT32* pDst2 = pDst[2];
	OPJ_INT32* pDst3 = pDst[3];
	
	for (i = 0; i < length; i++) {
		pDst0[i] = pSrc[4*i+0];
		pDst1[i] = pSrc[4*i+1];
		pDst2[i] = pSrc[4*i+2];
		pDst3[i] = pSrc[4*i+3];
	}
}
const convert_32s_CXPX convert_32s_CXPX_LUT[5] = {
	NULL,
	convert_32s_C1P1,
	convert_32s_C2P2,
	convert_32s_C3P3,
	convert_32s_C4P4
};

static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
{
	OPJ_SIZE_T i;
	const OPJ_INT32* pSrc0 = pSrc[0];
	
	for (i = 0; i < length; i++) {
		pDst[i] = pSrc0[i] + adjust;
	}
}
static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
{
	OPJ_SIZE_T i;
	const OPJ_INT32* pSrc0 = pSrc[0];
	const OPJ_INT32* pSrc1 = pSrc[1];
	
	for (i = 0; i < length; i++) {
		pDst[2*i+0] = pSrc0[i] + adjust;
		pDst[2*i+1] = pSrc1[i] + adjust;
	}
}
static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
{
	OPJ_SIZE_T i;
	const OPJ_INT32* pSrc0 = pSrc[0];
	const OPJ_INT32* pSrc1 = pSrc[1];
	const OPJ_INT32* pSrc2 = pSrc[2];
	
	for (i = 0; i < length; i++) {
		pDst[3*i+0] = pSrc0[i] + adjust;
		pDst[3*i+1] = pSrc1[i] + adjust;
		pDst[3*i+2] = pSrc2[i] + adjust;
	}
}
static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
{
	OPJ_SIZE_T i;
	const OPJ_INT32* pSrc0 = pSrc[0];
	const OPJ_INT32* pSrc1 = pSrc[1];
	const OPJ_INT32* pSrc2 = pSrc[2];
	const OPJ_INT32* pSrc3 = pSrc[3];
	
	for (i = 0; i < length; i++) {
		pDst[4*i+0] = pSrc0[i] + adjust;
		pDst[4*i+1] = pSrc1[i] + adjust;
		pDst[4*i+2] = pSrc2[i] + adjust;
		pDst[4*i+3] = pSrc3[i] + adjust;
	}
}
const convert_32s_PXCX convert_32s_PXCX_LUT[5] = {
	NULL,
	convert_32s_P1C1,
	convert_32s_P2C2,
	convert_32s_P3C3,
	convert_32s_P4C4
};

/* bit depth conversions */
/* used by PNG/TIFF up to 8bpp */
static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
		OPJ_UINT32 val = *pSrc++;
		pDst[i+0] = (OPJ_INT32)( val >> 7);
		pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
		pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
		pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
		pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
		pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
		pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
		pDst[i+7] = (OPJ_INT32)(val & 0x1U);
	}
	if (length & 7U) {
		OPJ_UINT32 val = *pSrc++;
		length = length & 7U;
		pDst[i+0] = (OPJ_INT32)(val >> 7);
		
		if (length > 1U) {
			pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
			if (length > 2U) {
				pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
				if (length > 3U) {
					pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
					if (length > 4U) {
						pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
						if (length > 5U) {
							pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
							if (length > 6U) {
								pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
							}
						}
					}
				}
			}
		}
	}
}
static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
		OPJ_UINT32 val = *pSrc++;
		pDst[i+0] = (OPJ_INT32)( val >> 6);
		pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
		pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
		pDst[i+3] = (OPJ_INT32)(val & 0x3U);
	}
	if (length & 3U) {
		OPJ_UINT32 val = *pSrc++;
		length = length & 3U;
		pDst[i+0] =  (OPJ_INT32)(val >> 6);
		
		if (length > 1U) {
			pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
			if (length > 2U) {
				pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
				
			}
		}
	}
}
static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i+=2U) {
		OPJ_UINT32 val = *pSrc++;
		pDst[i+0] = (OPJ_INT32)(val >> 4);
		pDst[i+1] = (OPJ_INT32)(val & 0xFU);
	}
	if (length & 1U) {
		OPJ_UINT8 val = *pSrc++;
		pDst[i+0] = (OPJ_INT32)(val >> 4);
	}
}
static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
		OPJ_UINT32 val0 = *pSrc++;
		OPJ_UINT32 val1 = *pSrc++;
		OPJ_UINT32 val2 = *pSrc++;
		pDst[i+0] = (OPJ_INT32)(val0 >> 2);
		pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
		pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
		pDst[i+3] = (OPJ_INT32)(val2 & 0x3FU);
		
	}
	if (length & 3U) {
		OPJ_UINT32 val0 = *pSrc++;
		length = length & 3U;
		pDst[i+0] = (OPJ_INT32)(val0 >> 2);
		
		if (length > 1U) {
			OPJ_UINT32 val1 = *pSrc++;
			pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
			if (length > 2U) {
				OPJ_UINT32 val2 = *pSrc++;
				pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
			}
		}
	}
}
static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < length; i++) {
		pDst[i] = pSrc[i];
	}
}
const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = {
	NULL,
	convert_1u32s_C1R,
	convert_2u32s_C1R,
	NULL,
	convert_4u32s_C1R,
	NULL,
	convert_6u32s_C1R,
	NULL,
	convert_8u32s_C1R
};


static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
		OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
		OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
		OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i+4];
		OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i+5];
		OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i+6];
		OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i+7];
		
		*pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1) | src7);
	}
	
	if (length & 7U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = 0U;
		OPJ_UINT32 src2 = 0U;
		OPJ_UINT32 src3 = 0U;
		OPJ_UINT32 src4 = 0U;
		OPJ_UINT32 src5 = 0U;
		OPJ_UINT32 src6 = 0U;
		length = length & 7U;
		
		if (length > 1U) {
			src1 = (OPJ_UINT32)pSrc[i+1];
			if (length > 2U) {
				src2 = (OPJ_UINT32)pSrc[i+2];
				if (length > 3U) {
					src3 = (OPJ_UINT32)pSrc[i+3];
					if (length > 4U) {
						src4 = (OPJ_UINT32)pSrc[i+4];
						if (length > 5U) {
							src5 = (OPJ_UINT32)pSrc[i+5];
							if (length > 6U) {
								src6 = (OPJ_UINT32)pSrc[i+6];
							}
						}
					}
				}
			}
		}
		*pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1));
	}
}

static void convert_32s2u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
		OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
		OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
		
		*pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2) | src3);
	}
	
	if (length & 3U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = 0U;
		OPJ_UINT32 src2 = 0U;
		length = length & 3U;
		
		if (length > 1U) {
			src1 = (OPJ_UINT32)pSrc[i+1];
			if (length > 2U) {
				src2 = (OPJ_UINT32)pSrc[i+2];
			}
		}
		*pDst++ = (OPJ_BYTE)((src0 << 6) | (src1 << 4) | (src2 << 2));
	}
}

static void convert_32s4u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i+=2U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
		
		*pDst++ = (OPJ_BYTE)((src0 << 4) | src1);
	}
	
	if (length & 1U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		*pDst++ = (OPJ_BYTE)((src0 << 4));
	}
}

static void convert_32s6u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
		OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
		OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
		
		*pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
		*pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
		*pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6) | src3);
	}
	
	if (length & 3U) {
		OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
		OPJ_UINT32 src1 = 0U;
		OPJ_UINT32 src2 = 0U;
		length = length & 3U;
		
		if (length > 1U) {
			src1 = (OPJ_UINT32)pSrc[i+1];
			if (length > 2U) {
				src2 = (OPJ_UINT32)pSrc[i+2];
			}
		}
		*pDst++ = (OPJ_BYTE)((src0 << 2) | (src1 >> 4));
		if (length > 1U) {
			*pDst++ = (OPJ_BYTE)(((src1 & 0xFU) << 4) | (src2 >> 2));
			if (length > 2U) {
				*pDst++ = (OPJ_BYTE)(((src2 & 0x3U) << 6));
			}
		}
	}
}
static void convert_32s8u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
{
	OPJ_SIZE_T i;
	for (i = 0; i < length; ++i) {
		pDst[i] = (OPJ_BYTE)pSrc[i];
	}
}
const convert_32sXXx_C1R convert_32sXXu_C1R_LUT[9] = {
	NULL,
	convert_32s1u_C1R,
	convert_32s2u_C1R,
	NULL,
	convert_32s4u_C1R,
	NULL,
	convert_32s6u_C1R,
	NULL,
	convert_32s8u_C1R
};

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

  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 OPJ_BIG_ENDIAN
    return (unsigned short)(((val & 0xffU) << 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[TGA_HEADER_SIZE];
    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;

    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 = tga[0];
    /*cmap_type = tga[1];*/
    image_type = tga[2];
    /*cmap_index = get_ushort(*(unsigned short*)(&tga[3]));*/
    cmap_len = get_ushort(*(unsigned short*)(&tga[5]));
    cmap_entry_size = tga[7];


#if 0
    x_origin = get_ushort(*(unsigned short*)(&tga[8]));
    y_origin = get_ushort(*(unsigned short*)(&tga[10]));
#endif
    image_w = get_ushort(*(unsigned short*)(&tga[12]));
    image_h = get_ushort(*(unsigned short*)(&tga[14]));
    pixel_depth = tga[16];
    image_desc  = tga[17];

    *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;
}

#ifdef OPJ_BIG_ENDIAN

static INLINE OPJ_UINT16 swap16(OPJ_UINT16 x)
{
    return (OPJ_UINT16)(((x & 0x00ffU) <<  8) | ((x & 0xff00U) >>  8));
}

#endif

static int tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height, 
                           OPJ_BOOL flip_image)
{
    OPJ_UINT16 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;

#ifndef OPJ_BIG_ENDIAN
    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)) {
        fclose(f);
        return NULL;
    }

    /* We currently only support 24 & 32 bit tga's ... */
    if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) {
        fclose(f);
        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 = (OPJ_UINT32)subsampling_dx;
        cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
        cmptparm[i].w = image_width;
        cmptparm[i].h = image_height;
    }

    /* create the image */
    image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);

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


    /* set image offset and reference grid */
    image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
    image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
    image->x1 =	!image->x0 ? (OPJ_UINT32)(image_width - 1)  * (OPJ_UINT32)subsampling_dx + 1 : image->x0 + (OPJ_UINT32)(image_width - 1)  * (OPJ_UINT32)subsampling_dx + 1;
    image->y1 =	!image->y0 ? (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1 : image->y0 + (OPJ_UINT32)(image_height - 1) * (OPJ_UINT32)subsampling_dy + 1;

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

        if (flip_image)
            index = (int)((image_height-y-1)*image_width);
        else
            index = (int)(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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
                    fclose(f);
                    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);
        }
    }
    fclose(f);
    return image;
}

int imagetotga(opj_image_t * image, const char *outfile) {
    int width, height, bpp, x, y;
    OPJ_BOOL write_alpha;
    unsigned int i;
    int adjustR, adjustG, adjustB, fails;
    unsigned int alpha_channel;
    float r,g,b,a;
    unsigned char value;
    float scale;
    FILE *fdest;
    size_t res;
    fails = 1;

    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))	{
            fclose(fdest);
            fprintf(stderr, "Unable to create a tga file with such J2K image charateristics.");
            return 1;
        }
    }

    width  = (int)image->comps[0].w;
    height = (int)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))
		goto fin;

    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= (unsigned int)(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 ... */
	if(b > 255.) b = 255.; else if(b < 0.) b = 0.;
	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);
	goto fin;
 }
	if(g > 255.) g = 255.; else if(g < 0.) g = 0.;
	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);
	goto fin;
 }
	if(r > 255.) r = 255.; else if(r < 0.) r = 0.;
	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);
	goto fin;
 }

	if (write_alpha) 
 {
	a = (float)(image->comps[alpha_channel].data[index]);
	if(a > 255.) a = 255.; else if(a < 0.) a = 0.;
	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);
		goto fin;
	   }
 }
  }
   }
	fails = 0;
fin:
	fclose(fdest);

	return fails;
}

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

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 (unsigned short)((c1 << 8) + c2);
    else
        return (unsigned short)((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 (unsigned int)(c1 << 24) + (unsigned int)(c2 << 16) + (unsigned int)(c3 << 8) + c4;
    else
        return (unsigned int)(c4 << 24) + (unsigned int)(c3 << 16) + (unsigned int)(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){
        fclose(f);
        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 {
        fclose(f);
        fprintf(stderr, "Bad pgx header, please check input file\n");
        return NULL;
    }

    /* initialize image component */

    cmptparm.x0 = (OPJ_UINT32)parameters->image_offset_x0;
    cmptparm.y0 = (OPJ_UINT32)parameters->image_offset_y0;
    cmptparm.w = !cmptparm.x0 ? (OPJ_UINT32)((w - 1) * parameters->subsampling_dx + 1) : cmptparm.x0 + (OPJ_UINT32)(w - 1) * (OPJ_UINT32)parameters->subsampling_dx + 1;
    cmptparm.h = !cmptparm.y0 ? (OPJ_UINT32)((h - 1) * parameters->subsampling_dy + 1) : cmptparm.y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)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 = (OPJ_UINT32)prec;
    cmptparm.bpp = (OPJ_UINT32)prec;
    cmptparm.dx = (OPJ_UINT32)parameters->subsampling_dx;
    cmptparm.dy = (OPJ_UINT32)parameters->subsampling_dy;

    /* create the image */
    image = opj_image_create((OPJ_UINT32)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 = (int)readuint(f, bigendian);
            } else {
                v = (int) readuint(f, bigendian);
            }
        }
        if (v > max)
            max = v;
        comp->data[i] = v;
    }
    fclose(f);
    comp->bpp = (OPJ_UINT32)int_floorlog2(max) + 1;

    return image;
}

#define CLAMP(x,a,b) x < a ? a : (x > b ? b : x)

static INLINE int clamp( const int value, const int prec, const int sgnd )
{
  if( sgnd )
    {
    if (prec <= 8)       return CLAMP(value,-128,127);
    else if (prec <= 16) return CLAMP(value,-32768,32767);
    else                 return CLAMP(value,-2147483647-1,2147483647);
    }
  else
    {
    if (prec <= 8)       return CLAMP(value,0,255);
    else if (prec <= 16) return CLAMP(value,0,65535);
    else                 return value; /*CLAMP(value,0,4294967295);*/
    }
}

int imagetopgx(opj_image_t * image, const char *outfile) 
{
  int w, h;
  int i, j, fails = 1;
  unsigned int 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." );
      goto fin;
		}
    if( total > 256 ) 
		{
      name = (char*)malloc(total+1);
			if (name == NULL) {
				goto fin;
			}
		}
    strncpy(name, outfile, dotpos);
    sprintf(name+dotpos, "_%u.pgx", compno);
    fdest = fopen(name, "wb");
    /* don't need name anymore */
			
    if (!fdest) 
		{
				
      fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
			if( total > 256 ) free(name);
      goto fin;
		}

    w = (int)image->comps[compno].w;
    h = (int)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++) 
		{
      /* FIXME: clamp func is being called within a loop */
      const int val = clamp(image->comps[compno].data[i],
        (int)comp->prec, (int)comp->sgnd);

      for (j = nbytes - 1; j >= 0; j--) 
			{
        int v = (int)(val >> (j * 8));
        unsigned char byte = (unsigned char)v;
        res = fwrite(&byte, 1, 1, fdest);

        if( res < 1 ) 
				{
          fprintf(stderr, "failed to write 1 byte for %s\n", name);
					if( total > 256 ) free(name);
          goto fin;
				}
			}
		}
		if( total > 256 ) free(name);
    fclose(fdest); fdest = NULL;
	}
  fails = 0;
fin:
  if(fdest) fclose(fdest);

  return fails;
}

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

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 = 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)
{
    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))
    {
        char *s;

        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;
					
            if(format == 2 || format == 3 || format == 5 || format == 6)
            {
                if (skip_int(s, &ph->maxval) != NULL) {
                    if(ph->maxval > 65535) {
                        return;
                    }
                    else {
                        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, (size_t)numcomps * sizeof(opj_image_cmptparm_t));

    for(i = 0; i < numcomps; i++)
    {
        cmptparm[i].prec = (OPJ_UINT32)prec;
        cmptparm[i].bpp = (OPJ_UINT32)prec;
        cmptparm[i].sgnd = 0;
        cmptparm[i].dx = (OPJ_UINT32)subsampling_dx;
        cmptparm[i].dy = (OPJ_UINT32)subsampling_dy;
        cmptparm[i].w = (OPJ_UINT32)w;
        cmptparm[i].h = (OPJ_UINT32)h;
    }
    image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);

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

    /* set image offset and reference grid */
    image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
    image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
    image->x1 = (OPJ_UINT32)(parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1);
    image->y1 = (OPJ_UINT32)(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] = (OPJ_INT32)(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");
                  opj_image_destroy(image);
                  fclose(fp);
                  return NULL;
                  }
                    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 force_split)
{
    int *red, *green, *blue, *alpha;
    int wr, hr, max;
    int i;
    unsigned int 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 = (int)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 ((force_split == 0) &&
				(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 = (int)image->comps[0].w; hr = (int)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 %u\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;
if(v > 65535) v = 65535; else if(v < 0) v = 0;

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

                if(triple)
                {
                    v = *green + adjustG; ++green;
if(v > 65535) v = 65535; else if(v < 0) v = 0;

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

                    v =  *blue + adjustB; ++blue;
if(v > 65535) v = 65535; else if(v < 0) v = 0;

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

                }/* if(triple) */

                if(has_alpha)
                {
                    v = *alpha + adjustA; ++alpha;
		if(v > 65535) v = 65535; else if(v < 0) v = 0;

                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
                }
                continue;

            }	/* if(two) */

            /* prec <= 8: */
	v = *red++;
	if(v > 255) v = 255; else if(v < 0) v = 0;

	fprintf(fdest, "%c", (unsigned char)v);
            if(triple)
 {
	v = *green++;
	if(v > 255) v = 255; else if(v < 0) v = 0;

	fprintf(fdest, "%c", (unsigned char)v);
	v = *blue++;
	if(v > 255) v = 255; else if(v < 0) v = 0;

	fprintf(fdest, "%c", (unsigned char)v);
 }
            if(has_alpha)
 {
	v = *alpha++;
	if(v > 255) v = 255; else if(v < 0) v = 0;

	fprintf(fdest, "%c", (unsigned char)v);
 }
        }	/* 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);*/
      const size_t olen = strlen(outfile);
      const size_t dotpos = olen - 4;

      strncpy(destname, outfile, dotpos);
      sprintf(destname+dotpos, "_%u.pgm", compno);
      }
        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 = (int)image->comps[compno].w; hr = (int)image->comps[compno].h;
        prec = (int)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;
if(v > 65535) v = 65535; else if(v < 0) v = 0;

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

                if(has_alpha)
                {
                    v = *alpha++;
if(v > 65535) v = 65535; else if(v < 0) v = 0;

                    /* netpbm: */
                    fprintf(fdest, "%c%c",(unsigned char)(v>>8), (unsigned char)v);
                }
            }/* for(i */
        }
        else /* prec <= 8 */
        {
            for(i = 0; i < wr * hr; ++i)
            {
	v = *red + adjustR; ++red;
	if(v > 255) v = 255; else if(v < 0) v = 0;

	 fprintf(fdest, "%c", (unsigned char)v);
            }
        }
        fclose(fdest);
    } /* for (compno */
    free(destname);

    return 0;
}/* imagetopnm() */

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

    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 <width>,<height>,<ncomp>,<bitdepth>,{s,u}@<dx1>x<dy1>:...:<dxn>x<dyn>\n");
        fprintf(stderr,"If subsampling is omitted, 1x1 is assumed for all components\n");
        fprintf(stderr,"Example: -i image.raw -o image.j2k -F 512,512,3,8,u@1x1:2x2:2x2\n");
        fprintf(stderr,"         for raw 512x512 image with 4:2:0 subsampling\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;

    /* FIXME ADE at this point, tcp_mct has not been properly set in calling function */
    if (numcomps == 1) {
        color_space = OPJ_CLRSPC_GRAY;
    } else if ((numcomps >= 3) && (parameters->tcp_mct == 0)) {
        color_space = OPJ_CLRSPC_SYCC;
    } else if ((numcomps >= 3) && (parameters->tcp_mct != 2)) {
        color_space = OPJ_CLRSPC_SRGB;
    } else {
        color_space = OPJ_CLRSPC_UNKNOWN;
    }
    w = raw_cp->rawWidth;
    h = raw_cp->rawHeight;
    cmptparm = (opj_image_cmptparm_t*) calloc((OPJ_UINT32)numcomps,sizeof(opj_image_cmptparm_t));
    if (!cmptparm) {
        fprintf(stderr, "Failed to allocate image components parameters !!\n");
        fprintf(stderr,"Aborting\n");
        fclose(f);
        return NULL;
    }
    /* initialize image components */
    for(i = 0; i < numcomps; i++) {
        cmptparm[i].prec = (OPJ_UINT32)raw_cp->rawBitDepth;
        cmptparm[i].bpp = (OPJ_UINT32)raw_cp->rawBitDepth;
        cmptparm[i].sgnd = (OPJ_UINT32)raw_cp->rawSigned;
        cmptparm[i].dx = (OPJ_UINT32)(subsampling_dx * raw_cp->rawComps[i].dx);
        cmptparm[i].dy = (OPJ_UINT32)(subsampling_dy * raw_cp->rawComps[i].dy);
        cmptparm[i].w = (OPJ_UINT32)w;
        cmptparm[i].h = (OPJ_UINT32)h;
    }
    /* create the image */
    image = opj_image_create((OPJ_UINT32)numcomps, &cmptparm[0], color_space);
    free(cmptparm);
    if(!image) {
        fclose(f);
        return NULL;
    }
    /* set image offset and reference grid */
    image->x0 = (OPJ_UINT32)parameters->image_offset_x0;
    image->y0 = (OPJ_UINT32)parameters->image_offset_y0;
    image->x1 = (OPJ_UINT32)parameters->image_offset_x0 + (OPJ_UINT32)(w - 1) *	(OPJ_UINT32)subsampling_dx + 1;
    image->y1 = (OPJ_UINT32)parameters->image_offset_y0 + (OPJ_UINT32)(h - 1) * (OPJ_UINT32)subsampling_dy + 1;

    if(raw_cp->rawBitDepth <= 8)
    {
        unsigned char value = 0;
        for(compno = 0; compno < numcomps; compno++) {
            int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dy);
            for (i = 0; i < nloop; i++) {
                if (!fread(&value, 1, 1, f)) {
                    fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
                    opj_image_destroy(image);
                    fclose(f);
                    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++) {
            int nloop = (w*h)/(raw_cp->rawComps[compno].dx*raw_cp->rawComps[compno].dy);
            for (i = 0; i < nloop; 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");
                    opj_image_destroy(image);
                    fclose(f);
                    return NULL;
                }
                if (!fread(&temp2, 1, 1, f)) {
                    fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
                    opj_image_destroy(image);
                    fclose(f);
                    return NULL;
                }
                if( big_endian )
                {
                    value = (unsigned short)((temp1 << 8) + temp2);
                }
                else
                {
                    value = (unsigned short)((temp2 << 8) + 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");
        opj_image_destroy(image);
        fclose(f);
        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;
    unsigned int compno;
    int w, h, fails;
    int line, row, curr, mask;
    int *ptr;
    unsigned char uc;
    (void)big_endian;

    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;
    }

    fails = 1;
    fprintf(stdout,"Raw image characteristics: %d components\n", image->numcomps);

    for(compno = 0; compno < image->numcomps; compno++)
    {
        fprintf(stdout,"Component %u 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 = (int)image->comps[compno].w;
        h = (int)image->comps[compno].h;

        if(image->comps[compno].prec <= 8)
        {
            if(image->comps[compno].sgnd == 1)
            {
                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 = *ptr;
                        if(curr > 127) curr = 127; else if(curr < -128) curr = -128;
                        uc = (unsigned char) (curr & mask);
                        res = fwrite(&uc, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            goto fin;
                        }
                        ptr++;
                    }
                }
            }
            else if(image->comps[compno].sgnd == 0)
            {
                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 = *ptr;
                        if(curr > 255) curr = 255; else if(curr < 0) curr = 0;
                        uc = (unsigned char) (curr & mask);
                        res = fwrite(&uc, 1, 1, rawFile);
                        if( res < 1 ) {
                            fprintf(stderr, "failed to write 1 byte for %s\n", outfile);
                            goto fin;
                        }
                        ptr++;
                    }
                }
            }
        }
        else if(image->comps[compno].prec <= 16)
        {
            if(image->comps[compno].sgnd == 1)
            {
                union { signed short val; signed char vals[2]; } uc16;
                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 = *ptr;
                        if(curr > 32767 ) curr = 32767; else if( curr < -32768) curr = -32768;
                        uc16.val = (signed short)(curr & mask);
                        res = fwrite(uc16.vals, 1, 2, rawFile);
                        if( res < 2 ) {
                            fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
                            goto fin;
                        }
                        ptr++;
                    }
                }
            }
            else if(image->comps[compno].sgnd == 0)
            {
                union { unsigned short val; unsigned char vals[2]; } uc16;
                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 = *ptr;
                        if(curr > 65535 ) curr = 65535; else if( curr < 0) curr = 0;
                        uc16.val = (unsigned short)(curr & mask);
                        res = fwrite(uc16.vals, 1, 2, rawFile);
                        if( res < 2 ) {
                            fprintf(stderr, "failed to write 2 byte for %s\n", outfile);
                            goto fin;
                        }
                        ptr++;
                    }
                }
            }
        }
        else if (image->comps[compno].prec <= 32)
        {
            fprintf(stderr,"More than 16 bits per component no handled yet\n");
            goto fin;
        }
        else
        {
            fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
            goto fin;
        }
    }
  fails = 0;
fin:
    fclose(rawFile);
    return fails;
}

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);
}