2266 lines
66 KiB
C
2266 lines
66 KiB
C
/*
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* The copyright in this software is being made available under the 2-clauses
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* BSD License, included below. This software may be subject to other third
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* party and contributor rights, including patent rights, and no such rights
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* are granted under this license.
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*
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* Copyright (c) 2002-2014, Universite catholique de Louvain (UCL), Belgium
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* Copyright (c) 2002-2014, Professor Benoit Macq
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* Copyright (c) 2001-2003, David Janssens
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* Copyright (c) 2002-2003, Yannick Verschueren
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* Copyright (c) 2003-2007, Francois-Olivier Devaux
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* Copyright (c) 2003-2014, Antonin Descampe
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* Copyright (c) 2005, Herve Drolon, FreeImage Team
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* Copyright (c) 2006-2007, Parvatha Elangovan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "opj_apps_config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#include "openjpeg.h"
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#include "convert.h"
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/*
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* Get logarithm of an integer and round downwards.
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*
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* log2(a)
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*/
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static int int_floorlog2(int a) {
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int l;
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for (l = 0; a > 1; l++) {
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a >>= 1;
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}
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return l;
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}
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/* Component precision scaling */
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void clip_component(opj_image_comp_t* component, OPJ_UINT32 precision)
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{
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OPJ_SIZE_T i;
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OPJ_SIZE_T len;
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OPJ_UINT32 umax = (OPJ_UINT32)((OPJ_INT32)-1);
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len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
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if (precision < 32) {
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umax = (1U << precision) - 1U;
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}
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if (component->sgnd) {
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OPJ_INT32* l_data = component->data;
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OPJ_INT32 max = (OPJ_INT32)(umax / 2U);
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OPJ_INT32 min = -max - 1;
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for (i = 0; i < len; ++i) {
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if (l_data[i] > max) {
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l_data[i] = max;
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} else if (l_data[i] < min) {
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l_data[i] = min;
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}
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}
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} else {
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OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
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for (i = 0; i < len; ++i) {
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if (l_data[i] > umax) {
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l_data[i] = umax;
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}
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}
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}
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component->prec = precision;
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}
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/* Component precision scaling */
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static void scale_component_up(opj_image_comp_t* component, OPJ_UINT32 precision)
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{
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OPJ_SIZE_T i, len;
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len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
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if (component->sgnd) {
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OPJ_INT64 newMax = (OPJ_INT64)(1U << (precision - 1));
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OPJ_INT64 oldMax = (OPJ_INT64)(1U << (component->prec - 1));
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OPJ_INT32* l_data = component->data;
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for (i = 0; i < len; ++i) {
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l_data[i] = (OPJ_INT32)(((OPJ_INT64)l_data[i] * newMax) / oldMax);
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}
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} else {
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OPJ_UINT64 newMax = (OPJ_UINT64)((1U << precision) - 1U);
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OPJ_UINT64 oldMax = (OPJ_UINT64)((1U << component->prec) - 1U);
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OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
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for (i = 0; i < len; ++i) {
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l_data[i] = (OPJ_UINT32)(((OPJ_UINT64)l_data[i] * newMax) / oldMax);
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}
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}
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component->prec = precision;
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component->bpp = precision;
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}
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void scale_component(opj_image_comp_t* component, OPJ_UINT32 precision)
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{
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int shift;
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OPJ_SIZE_T i, len;
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if (component->prec == precision) {
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return;
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}
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if (component->prec < precision) {
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scale_component_up(component, precision);
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return;
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}
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shift = (int)(component->prec - precision);
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len = (OPJ_SIZE_T)component->w * (OPJ_SIZE_T)component->h;
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if (component->sgnd) {
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OPJ_INT32* l_data = component->data;
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for (i = 0; i < len; ++i) {
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l_data[i] >>= shift;
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}
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} else {
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OPJ_UINT32* l_data = (OPJ_UINT32*)component->data;
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for (i = 0; i < len; ++i) {
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l_data[i] >>= shift;
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}
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}
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component->bpp = precision;
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component->prec = precision;
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}
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/* planar / interleaved conversions */
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/* used by PNG/TIFF */
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static void convert_32s_C1P1(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
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{
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memcpy(pDst[0], pSrc, length * sizeof(OPJ_INT32));
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}
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static void convert_32s_C2P2(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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OPJ_INT32* pDst0 = pDst[0];
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OPJ_INT32* pDst1 = pDst[1];
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for (i = 0; i < length; i++) {
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pDst0[i] = pSrc[2*i+0];
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pDst1[i] = pSrc[2*i+1];
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}
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}
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static void convert_32s_C3P3(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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OPJ_INT32* pDst0 = pDst[0];
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OPJ_INT32* pDst1 = pDst[1];
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OPJ_INT32* pDst2 = pDst[2];
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for (i = 0; i < length; i++) {
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pDst0[i] = pSrc[3*i+0];
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pDst1[i] = pSrc[3*i+1];
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pDst2[i] = pSrc[3*i+2];
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}
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}
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static void convert_32s_C4P4(const OPJ_INT32* pSrc, OPJ_INT32* const* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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OPJ_INT32* pDst0 = pDst[0];
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OPJ_INT32* pDst1 = pDst[1];
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OPJ_INT32* pDst2 = pDst[2];
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OPJ_INT32* pDst3 = pDst[3];
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for (i = 0; i < length; i++) {
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pDst0[i] = pSrc[4*i+0];
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pDst1[i] = pSrc[4*i+1];
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pDst2[i] = pSrc[4*i+2];
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pDst3[i] = pSrc[4*i+3];
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}
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}
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const convert_32s_CXPX convert_32s_CXPX_LUT[5] = {
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NULL,
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convert_32s_C1P1,
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convert_32s_C2P2,
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convert_32s_C3P3,
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convert_32s_C4P4
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};
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static void convert_32s_P1C1(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
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{
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OPJ_SIZE_T i;
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const OPJ_INT32* pSrc0 = pSrc[0];
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for (i = 0; i < length; i++) {
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pDst[i] = pSrc0[i] + adjust;
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}
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}
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static void convert_32s_P2C2(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
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{
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OPJ_SIZE_T i;
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const OPJ_INT32* pSrc0 = pSrc[0];
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const OPJ_INT32* pSrc1 = pSrc[1];
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for (i = 0; i < length; i++) {
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pDst[2*i+0] = pSrc0[i] + adjust;
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pDst[2*i+1] = pSrc1[i] + adjust;
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}
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}
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static void convert_32s_P3C3(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
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{
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OPJ_SIZE_T i;
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const OPJ_INT32* pSrc0 = pSrc[0];
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const OPJ_INT32* pSrc1 = pSrc[1];
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const OPJ_INT32* pSrc2 = pSrc[2];
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for (i = 0; i < length; i++) {
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pDst[3*i+0] = pSrc0[i] + adjust;
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pDst[3*i+1] = pSrc1[i] + adjust;
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pDst[3*i+2] = pSrc2[i] + adjust;
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}
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}
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static void convert_32s_P4C4(OPJ_INT32 const* const* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length, OPJ_INT32 adjust)
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{
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OPJ_SIZE_T i;
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const OPJ_INT32* pSrc0 = pSrc[0];
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const OPJ_INT32* pSrc1 = pSrc[1];
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const OPJ_INT32* pSrc2 = pSrc[2];
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const OPJ_INT32* pSrc3 = pSrc[3];
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for (i = 0; i < length; i++) {
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pDst[4*i+0] = pSrc0[i] + adjust;
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pDst[4*i+1] = pSrc1[i] + adjust;
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pDst[4*i+2] = pSrc2[i] + adjust;
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pDst[4*i+3] = pSrc3[i] + adjust;
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}
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}
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const convert_32s_PXCX convert_32s_PXCX_LUT[5] = {
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NULL,
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convert_32s_P1C1,
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convert_32s_P2C2,
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convert_32s_P3C3,
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convert_32s_P4C4
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};
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/* bit depth conversions */
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/* used by PNG/TIFF up to 8bpp */
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static void convert_1u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
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OPJ_UINT32 val = *pSrc++;
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pDst[i+0] = (OPJ_INT32)( val >> 7);
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pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
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pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
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pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
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pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
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pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
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pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
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pDst[i+7] = (OPJ_INT32)(val & 0x1U);
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}
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if (length & 7U) {
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OPJ_UINT32 val = *pSrc++;
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length = length & 7U;
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pDst[i+0] = (OPJ_INT32)(val >> 7);
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if (length > 1U) {
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pDst[i+1] = (OPJ_INT32)((val >> 6) & 0x1U);
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if (length > 2U) {
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pDst[i+2] = (OPJ_INT32)((val >> 5) & 0x1U);
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if (length > 3U) {
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pDst[i+3] = (OPJ_INT32)((val >> 4) & 0x1U);
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if (length > 4U) {
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pDst[i+4] = (OPJ_INT32)((val >> 3) & 0x1U);
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if (length > 5U) {
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pDst[i+5] = (OPJ_INT32)((val >> 2) & 0x1U);
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if (length > 6U) {
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pDst[i+6] = (OPJ_INT32)((val >> 1) & 0x1U);
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}
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}
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}
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}
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}
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}
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}
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}
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static void convert_2u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
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OPJ_UINT32 val = *pSrc++;
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pDst[i+0] = (OPJ_INT32)( val >> 6);
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pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
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pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
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pDst[i+3] = (OPJ_INT32)(val & 0x3U);
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}
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if (length & 3U) {
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OPJ_UINT32 val = *pSrc++;
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length = length & 3U;
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pDst[i+0] = (OPJ_INT32)(val >> 6);
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if (length > 1U) {
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pDst[i+1] = (OPJ_INT32)((val >> 4) & 0x3U);
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if (length > 2U) {
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pDst[i+2] = (OPJ_INT32)((val >> 2) & 0x3U);
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}
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}
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}
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}
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static void convert_4u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < (length & ~(OPJ_SIZE_T)1U); i+=2U) {
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OPJ_UINT32 val = *pSrc++;
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pDst[i+0] = (OPJ_INT32)(val >> 4);
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pDst[i+1] = (OPJ_INT32)(val & 0xFU);
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}
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if (length & 1U) {
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OPJ_UINT8 val = *pSrc++;
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pDst[i+0] = (OPJ_INT32)(val >> 4);
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}
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}
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static void convert_6u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < (length & ~(OPJ_SIZE_T)3U); i+=4U) {
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OPJ_UINT32 val0 = *pSrc++;
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OPJ_UINT32 val1 = *pSrc++;
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OPJ_UINT32 val2 = *pSrc++;
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pDst[i+0] = (OPJ_INT32)(val0 >> 2);
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pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
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pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
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pDst[i+3] = (OPJ_INT32)(val2 & 0x3FU);
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}
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if (length & 3U) {
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OPJ_UINT32 val0 = *pSrc++;
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length = length & 3U;
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pDst[i+0] = (OPJ_INT32)(val0 >> 2);
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if (length > 1U) {
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OPJ_UINT32 val1 = *pSrc++;
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pDst[i+1] = (OPJ_INT32)(((val0 & 0x3U) << 4) | (val1 >> 4));
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if (length > 2U) {
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OPJ_UINT32 val2 = *pSrc++;
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pDst[i+2] = (OPJ_INT32)(((val1 & 0xFU) << 2) | (val2 >> 6));
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}
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}
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}
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}
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static void convert_8u32s_C1R(const OPJ_BYTE* pSrc, OPJ_INT32* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < length; i++) {
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pDst[i] = pSrc[i];
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}
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}
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const convert_XXx32s_C1R convert_XXu32s_C1R_LUT[9] = {
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NULL,
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convert_1u32s_C1R,
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convert_2u32s_C1R,
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NULL,
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convert_4u32s_C1R,
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NULL,
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convert_6u32s_C1R,
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NULL,
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convert_8u32s_C1R
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};
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static void convert_32s1u_C1R(const OPJ_INT32* pSrc, OPJ_BYTE* pDst, OPJ_SIZE_T length)
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{
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OPJ_SIZE_T i;
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for (i = 0; i < (length & ~(OPJ_SIZE_T)7U); i+=8U) {
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OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
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OPJ_UINT32 src1 = (OPJ_UINT32)pSrc[i+1];
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OPJ_UINT32 src2 = (OPJ_UINT32)pSrc[i+2];
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OPJ_UINT32 src3 = (OPJ_UINT32)pSrc[i+3];
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OPJ_UINT32 src4 = (OPJ_UINT32)pSrc[i+4];
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OPJ_UINT32 src5 = (OPJ_UINT32)pSrc[i+5];
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OPJ_UINT32 src6 = (OPJ_UINT32)pSrc[i+6];
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OPJ_UINT32 src7 = (OPJ_UINT32)pSrc[i+7];
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*pDst++ = (OPJ_BYTE)((src0 << 7) | (src1 << 6) | (src2 << 5) | (src3 << 4) | (src4 << 3) | (src5 << 2) | (src6 << 1) | src7);
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}
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if (length & 7U) {
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OPJ_UINT32 src0 = (OPJ_UINT32)pSrc[i+0];
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OPJ_UINT32 src1 = 0U;
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OPJ_UINT32 src2 = 0U;
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OPJ_UINT32 src3 = 0U;
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OPJ_UINT32 src4 = 0U;
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OPJ_UINT32 src5 = 0U;
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OPJ_UINT32 src6 = 0U;
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length = length & 7U;
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if (length > 1U) {
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src1 = (OPJ_UINT32)pSrc[i+1];
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if (length > 2U) {
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src2 = (OPJ_UINT32)pSrc[i+2];
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if (length > 3U) {
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src3 = (OPJ_UINT32)pSrc[i+3];
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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(const unsigned char *data) {
|
|
unsigned short val = *(const unsigned short *)data;
|
|
#ifdef OPJ_BIG_ENDIAN
|
|
val = ((val & 0xffU) << 8) | (val >> 8);
|
|
#endif
|
|
return val;
|
|
}
|
|
|
|
#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(&tga[3]);*/
|
|
cmap_len = get_ushort(&tga[5]);
|
|
cmap_entry_size = tga[7];
|
|
|
|
|
|
#if 0
|
|
x_origin = get_ushort(&tga[8]);
|
|
y_origin = get_ushort(&tga[10]);
|
|
#endif
|
|
image_w = get_ushort(&tga[12]);
|
|
image_h = get_ushort(&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(id == 0){
|
|
fprintf(stderr, "tga_readheader: memory out\n");
|
|
return 0;
|
|
}
|
|
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) {
|
|
fprintf(stderr, "imagetopgx: memory out\n");
|
|
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)
|
|
{
|
|
if (s != NULL)
|
|
{
|
|
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, 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 = 0;
|
|
|
|
while(fgets(line, 250, reader))
|
|
{
|
|
char *s;
|
|
int allow_null = 0;
|
|
|
|
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) */
|
|
|
|
/* Here format is in range [1,6] */
|
|
if (ph->width == 0) {
|
|
s = skip_int(s, &ph->width);
|
|
if ((s == NULL) || (*s == 0) || (ph->width < 1)) return;
|
|
allow_null = 1;
|
|
}
|
|
if (ph->height == 0) {
|
|
s = skip_int(s, &ph->height);
|
|
if ((s == NULL) && allow_null) continue;
|
|
if ((s == NULL) || (*s == 0) || (ph->height < 1)) return;
|
|
if(format == 1 || format == 4) {
|
|
break;
|
|
}
|
|
allow_null = 1;
|
|
}
|
|
/* here, format is in P2, P3, P5, P6 */
|
|
s = skip_int(s, &ph->maxval);
|
|
if ((s == NULL) && allow_null) continue;
|
|
if ((s == NULL) || (*s == 0)) 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 (ttype)
|
|
ph->ok = 1;
|
|
}
|
|
else
|
|
{
|
|
ph->ok = 1;
|
|
if(format == 1 || format == 4)
|
|
{
|
|
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);
|
|
if(destname == NULL){
|
|
fprintf(stderr, "imagetopnm: memory out\n");
|
|
return 1;
|
|
}
|
|
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);
|
|
}
|
|
|