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openjpeg/src/bin/jp2/convertbmp.c

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/*
* 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"
typedef struct {
OPJ_UINT16 bfType; /* 'BM' for Bitmap (19776) */
OPJ_UINT32 bfSize; /* Size of the file */
OPJ_UINT16 bfReserved1; /* Reserved : 0 */
OPJ_UINT16 bfReserved2; /* Reserved : 0 */
OPJ_UINT32 bfOffBits; /* Offset */
} OPJ_BITMAPFILEHEADER;
typedef struct {
OPJ_UINT32 biSize; /* Size of the structure in bytes */
OPJ_UINT32 biWidth; /* Width of the image in pixels */
OPJ_UINT32 biHeight; /* Height of the image in pixels */
OPJ_UINT16 biPlanes; /* 1 */
OPJ_UINT16 biBitCount; /* Number of color bits by pixels */
OPJ_UINT32 biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */
OPJ_UINT32 biSizeImage; /* Size of the image in bytes */
OPJ_UINT32 biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */
OPJ_UINT32 biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */
OPJ_UINT32 biClrUsed; /* Number of color used in the image (0: ALL) */
OPJ_UINT32 biClrImportant; /* Number of important color (0: ALL) */
OPJ_UINT32 biRedMask; /* Red channel bit mask */
OPJ_UINT32 biGreenMask; /* Green channel bit mask */
OPJ_UINT32 biBlueMask; /* Blue channel bit mask */
OPJ_UINT32 biAlphaMask; /* Alpha channel bit mask */
OPJ_UINT32 biColorSpaceType; /* Color space type */
OPJ_UINT8 biColorSpaceEP[36]; /* Color space end points */
OPJ_UINT32 biRedGamma; /* Red channel gamma */
OPJ_UINT32 biGreenGamma; /* Green channel gamma */
OPJ_UINT32 biBlueGamma; /* Blue channel gamma */
OPJ_UINT32 biIntent; /* Intent */
OPJ_UINT32 biIccProfileData; /* ICC profile data */
OPJ_UINT32 biIccProfileSize; /* ICC profile size */
OPJ_UINT32 biReserved; /* Reserved */
} OPJ_BITMAPINFOHEADER;
static void opj_applyLUT8u_8u32s_C1R(
OPJ_UINT8 const* pSrc, OPJ_INT32 srcStride,
OPJ_INT32* pDst, OPJ_INT32 dstStride,
OPJ_UINT8 const* pLUT,
OPJ_UINT32 width, OPJ_UINT32 height)
{
OPJ_UINT32 y;
for (y = height; y != 0U; --y) {
OPJ_UINT32 x;
for (x = 0; x < width; x++) {
pDst[x] = (OPJ_INT32)pLUT[pSrc[x]];
}
pSrc += srcStride;
pDst += dstStride;
}
}
static void opj_applyLUT8u_8u32s_C1P3R(
OPJ_UINT8 const* pSrc, OPJ_INT32 srcStride,
OPJ_INT32* const* pDst, OPJ_INT32 const* pDstStride,
OPJ_UINT8 const* const* pLUT,
OPJ_UINT32 width, OPJ_UINT32 height)
{
OPJ_UINT32 y;
OPJ_INT32* pR = pDst[0];
OPJ_INT32* pG = pDst[1];
OPJ_INT32* pB = pDst[2];
OPJ_UINT8 const* pLUT_R = pLUT[0];
OPJ_UINT8 const* pLUT_G = pLUT[1];
OPJ_UINT8 const* pLUT_B = pLUT[2];
for (y = height; y != 0U; --y) {
OPJ_UINT32 x;
for (x = 0; x < width; x++) {
OPJ_UINT8 idx = pSrc[x];
pR[x] = (OPJ_INT32)pLUT_R[idx];
pG[x] = (OPJ_INT32)pLUT_G[idx];
pB[x] = (OPJ_INT32)pLUT_B[idx];
}
pSrc += srcStride;
pR += pDstStride[0];
pG += pDstStride[1];
pB += pDstStride[2];
}
}
static void bmp24toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
opj_image_t* image)
{
int index;
OPJ_UINT32 width, height;
OPJ_UINT32 x, y;
const OPJ_UINT8 *pSrc = NULL;
width = image->comps[0].w;
height = image->comps[0].h;
index = 0;
pSrc = pData + (height - 1U) * stride;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
image->comps[0].data[index] = (OPJ_INT32)pSrc[3 * x + 2]; /* R */
image->comps[1].data[index] = (OPJ_INT32)pSrc[3 * x + 1]; /* G */
image->comps[2].data[index] = (OPJ_INT32)pSrc[3 * x + 0]; /* B */
index++;
}
pSrc -= stride;
}
}
static void bmp_mask_get_shift_and_prec(OPJ_UINT32 mask, OPJ_UINT32* shift,
OPJ_UINT32* prec)
{
OPJ_UINT32 l_shift, l_prec;
l_shift = l_prec = 0U;
if (mask != 0U) {
while ((mask & 1U) == 0U) {
mask >>= 1;
l_shift++;
}
while (mask & 1U) {
mask >>= 1;
l_prec++;
}
}
*shift = l_shift;
*prec = l_prec;
}
static void bmpmask32toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
opj_image_t* image, OPJ_UINT32 redMask, OPJ_UINT32 greenMask,
OPJ_UINT32 blueMask, OPJ_UINT32 alphaMask)
{
int index;
OPJ_UINT32 width, height;
OPJ_UINT32 x, y;
const OPJ_UINT8 *pSrc = NULL;
OPJ_BOOL hasAlpha;
OPJ_UINT32 redShift, redPrec;
OPJ_UINT32 greenShift, greenPrec;
OPJ_UINT32 blueShift, bluePrec;
OPJ_UINT32 alphaShift, alphaPrec;
width = image->comps[0].w;
height = image->comps[0].h;
hasAlpha = image->numcomps > 3U;
bmp_mask_get_shift_and_prec(redMask, &redShift, &redPrec);
bmp_mask_get_shift_and_prec(greenMask, &greenShift, &greenPrec);
bmp_mask_get_shift_and_prec(blueMask, &blueShift, &bluePrec);
bmp_mask_get_shift_and_prec(alphaMask, &alphaShift, &alphaPrec);
image->comps[0].bpp = redPrec;
image->comps[0].prec = redPrec;
image->comps[1].bpp = greenPrec;
image->comps[1].prec = greenPrec;
image->comps[2].bpp = bluePrec;
image->comps[2].prec = bluePrec;
if (hasAlpha) {
image->comps[3].bpp = alphaPrec;
image->comps[3].prec = alphaPrec;
}
index = 0;
pSrc = pData + (height - 1U) * stride;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
OPJ_UINT32 value = 0U;
value |= ((OPJ_UINT32)pSrc[4 * x + 0]) << 0;
value |= ((OPJ_UINT32)pSrc[4 * x + 1]) << 8;
value |= ((OPJ_UINT32)pSrc[4 * x + 2]) << 16;
value |= ((OPJ_UINT32)pSrc[4 * x + 3]) << 24;
image->comps[0].data[index] = (OPJ_INT32)((value & redMask) >>
redShift); /* R */
image->comps[1].data[index] = (OPJ_INT32)((value & greenMask) >>
greenShift); /* G */
image->comps[2].data[index] = (OPJ_INT32)((value & blueMask) >>
blueShift); /* B */
if (hasAlpha) {
image->comps[3].data[index] = (OPJ_INT32)((value & alphaMask) >>
alphaShift); /* A */
}
index++;
}
pSrc -= stride;
}
}
static void bmpmask16toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
opj_image_t* image, OPJ_UINT32 redMask, OPJ_UINT32 greenMask,
OPJ_UINT32 blueMask, OPJ_UINT32 alphaMask)
{
int index;
OPJ_UINT32 width, height;
OPJ_UINT32 x, y;
const OPJ_UINT8 *pSrc = NULL;
OPJ_BOOL hasAlpha;
OPJ_UINT32 redShift, redPrec;
OPJ_UINT32 greenShift, greenPrec;
OPJ_UINT32 blueShift, bluePrec;
OPJ_UINT32 alphaShift, alphaPrec;
width = image->comps[0].w;
height = image->comps[0].h;
hasAlpha = image->numcomps > 3U;
bmp_mask_get_shift_and_prec(redMask, &redShift, &redPrec);
bmp_mask_get_shift_and_prec(greenMask, &greenShift, &greenPrec);
bmp_mask_get_shift_and_prec(blueMask, &blueShift, &bluePrec);
bmp_mask_get_shift_and_prec(alphaMask, &alphaShift, &alphaPrec);
image->comps[0].bpp = redPrec;
image->comps[0].prec = redPrec;
image->comps[1].bpp = greenPrec;
image->comps[1].prec = greenPrec;
image->comps[2].bpp = bluePrec;
image->comps[2].prec = bluePrec;
if (hasAlpha) {
image->comps[3].bpp = alphaPrec;
image->comps[3].prec = alphaPrec;
}
index = 0;
pSrc = pData + (height - 1U) * stride;
for (y = 0; y < height; y++) {
for (x = 0; x < width; x++) {
OPJ_UINT32 value = 0U;
value |= ((OPJ_UINT32)pSrc[2 * x + 0]) << 0;
value |= ((OPJ_UINT32)pSrc[2 * x + 1]) << 8;
image->comps[0].data[index] = (OPJ_INT32)((value & redMask) >>
redShift); /* R */
image->comps[1].data[index] = (OPJ_INT32)((value & greenMask) >>
greenShift); /* G */
image->comps[2].data[index] = (OPJ_INT32)((value & blueMask) >>
blueShift); /* B */
if (hasAlpha) {
image->comps[3].data[index] = (OPJ_INT32)((value & alphaMask) >>
alphaShift); /* A */
}
index++;
}
pSrc -= stride;
}
}
static opj_image_t* bmp8toimage(const OPJ_UINT8* pData, OPJ_UINT32 stride,
opj_image_t* image, OPJ_UINT8 const* const* pLUT)
{
OPJ_UINT32 width, height;
const OPJ_UINT8 *pSrc = NULL;
width = image->comps[0].w;
height = image->comps[0].h;
pSrc = pData + (height - 1U) * stride;
if (image->numcomps == 1U) {
opj_applyLUT8u_8u32s_C1R(pSrc, -(OPJ_INT32)stride, image->comps[0].data,
(OPJ_INT32)width, pLUT[0], width, height);
} else {
OPJ_INT32* pDst[3];
OPJ_INT32 pDstStride[3];
pDst[0] = image->comps[0].data;
pDst[1] = image->comps[1].data;
pDst[2] = image->comps[2].data;
pDstStride[0] = (OPJ_INT32)width;
pDstStride[1] = (OPJ_INT32)width;
pDstStride[2] = (OPJ_INT32)width;
opj_applyLUT8u_8u32s_C1P3R(pSrc, -(OPJ_INT32)stride, pDst, pDstStride, pLUT,
width, height);
}
return image;
}
static OPJ_BOOL bmp_read_file_header(FILE* IN, OPJ_BITMAPFILEHEADER* header)
{
header->bfType = (OPJ_UINT16)getc(IN);
header->bfType |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
if (header->bfType != 19778) {
fprintf(stderr, "Error, not a BMP file!\n");
return OPJ_FALSE;
}
/* FILE HEADER */
/* ------------- */
header->bfSize = (OPJ_UINT32)getc(IN);
header->bfSize |= (OPJ_UINT32)getc(IN) << 8;
header->bfSize |= (OPJ_UINT32)getc(IN) << 16;
header->bfSize |= (OPJ_UINT32)getc(IN) << 24;
header->bfReserved1 = (OPJ_UINT16)getc(IN);
header->bfReserved1 |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
header->bfReserved2 = (OPJ_UINT16)getc(IN);
header->bfReserved2 |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
header->bfOffBits = (OPJ_UINT32)getc(IN);
header->bfOffBits |= (OPJ_UINT32)getc(IN) << 8;
header->bfOffBits |= (OPJ_UINT32)getc(IN) << 16;
header->bfOffBits |= (OPJ_UINT32)getc(IN) << 24;
return OPJ_TRUE;
}
static OPJ_BOOL bmp_read_info_header(FILE* IN, OPJ_BITMAPINFOHEADER* header)
{
memset(header, 0, sizeof(*header));
/* INFO HEADER */
/* ------------- */
header->biSize = (OPJ_UINT32)getc(IN);
header->biSize |= (OPJ_UINT32)getc(IN) << 8;
header->biSize |= (OPJ_UINT32)getc(IN) << 16;
header->biSize |= (OPJ_UINT32)getc(IN) << 24;
switch (header->biSize) {
case 12U: /* BITMAPCOREHEADER */
case 40U: /* BITMAPINFOHEADER */
case 52U: /* BITMAPV2INFOHEADER */
case 56U: /* BITMAPV3INFOHEADER */
case 108U: /* BITMAPV4HEADER */
case 124U: /* BITMAPV5HEADER */
break;
default:
fprintf(stderr, "Error, unknown BMP header size %d\n", header->biSize);
return OPJ_FALSE;
}
header->biWidth = (OPJ_UINT32)getc(IN);
header->biWidth |= (OPJ_UINT32)getc(IN) << 8;
header->biWidth |= (OPJ_UINT32)getc(IN) << 16;
header->biWidth |= (OPJ_UINT32)getc(IN) << 24;
header->biHeight = (OPJ_UINT32)getc(IN);
header->biHeight |= (OPJ_UINT32)getc(IN) << 8;
header->biHeight |= (OPJ_UINT32)getc(IN) << 16;
header->biHeight |= (OPJ_UINT32)getc(IN) << 24;
header->biPlanes = (OPJ_UINT16)getc(IN);
header->biPlanes |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
header->biBitCount = (OPJ_UINT16)getc(IN);
header->biBitCount |= (OPJ_UINT16)((OPJ_UINT32)getc(IN) << 8);
if (header->biSize >= 40U) {
header->biCompression = (OPJ_UINT32)getc(IN);
header->biCompression |= (OPJ_UINT32)getc(IN) << 8;
header->biCompression |= (OPJ_UINT32)getc(IN) << 16;
header->biCompression |= (OPJ_UINT32)getc(IN) << 24;
header->biSizeImage = (OPJ_UINT32)getc(IN);
header->biSizeImage |= (OPJ_UINT32)getc(IN) << 8;
header->biSizeImage |= (OPJ_UINT32)getc(IN) << 16;
header->biSizeImage |= (OPJ_UINT32)getc(IN) << 24;
header->biXpelsPerMeter = (OPJ_UINT32)getc(IN);
header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 8;
header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 16;
header->biXpelsPerMeter |= (OPJ_UINT32)getc(IN) << 24;
header->biYpelsPerMeter = (OPJ_UINT32)getc(IN);
header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 8;
header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 16;
header->biYpelsPerMeter |= (OPJ_UINT32)getc(IN) << 24;
header->biClrUsed = (OPJ_UINT32)getc(IN);
header->biClrUsed |= (OPJ_UINT32)getc(IN) << 8;
header->biClrUsed |= (OPJ_UINT32)getc(IN) << 16;
header->biClrUsed |= (OPJ_UINT32)getc(IN) << 24;
header->biClrImportant = (OPJ_UINT32)getc(IN);
header->biClrImportant |= (OPJ_UINT32)getc(IN) << 8;
header->biClrImportant |= (OPJ_UINT32)getc(IN) << 16;
header->biClrImportant |= (OPJ_UINT32)getc(IN) << 24;
}
if (header->biSize >= 56U) {
header->biRedMask = (OPJ_UINT32)getc(IN);
header->biRedMask |= (OPJ_UINT32)getc(IN) << 8;
header->biRedMask |= (OPJ_UINT32)getc(IN) << 16;
header->biRedMask |= (OPJ_UINT32)getc(IN) << 24;
header->biGreenMask = (OPJ_UINT32)getc(IN);
header->biGreenMask |= (OPJ_UINT32)getc(IN) << 8;
header->biGreenMask |= (OPJ_UINT32)getc(IN) << 16;
header->biGreenMask |= (OPJ_UINT32)getc(IN) << 24;
header->biBlueMask = (OPJ_UINT32)getc(IN);
header->biBlueMask |= (OPJ_UINT32)getc(IN) << 8;
header->biBlueMask |= (OPJ_UINT32)getc(IN) << 16;
header->biBlueMask |= (OPJ_UINT32)getc(IN) << 24;
header->biAlphaMask = (OPJ_UINT32)getc(IN);
header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 8;
header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 16;
header->biAlphaMask |= (OPJ_UINT32)getc(IN) << 24;
}
if (header->biSize >= 108U) {
header->biColorSpaceType = (OPJ_UINT32)getc(IN);
header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 8;
header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 16;
header->biColorSpaceType |= (OPJ_UINT32)getc(IN) << 24;
if (fread(&(header->biColorSpaceEP), 1U, sizeof(header->biColorSpaceEP),
IN) != sizeof(header->biColorSpaceEP)) {
fprintf(stderr, "Error, can't read BMP header\n");
return OPJ_FALSE;
}
header->biRedGamma = (OPJ_UINT32)getc(IN);
header->biRedGamma |= (OPJ_UINT32)getc(IN) << 8;
header->biRedGamma |= (OPJ_UINT32)getc(IN) << 16;
header->biRedGamma |= (OPJ_UINT32)getc(IN) << 24;
header->biGreenGamma = (OPJ_UINT32)getc(IN);
header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 8;
header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 16;
header->biGreenGamma |= (OPJ_UINT32)getc(IN) << 24;
header->biBlueGamma = (OPJ_UINT32)getc(IN);
header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 8;
header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 16;
header->biBlueGamma |= (OPJ_UINT32)getc(IN) << 24;
}
if (header->biSize >= 124U) {
header->biIntent = (OPJ_UINT32)getc(IN);
header->biIntent |= (OPJ_UINT32)getc(IN) << 8;
header->biIntent |= (OPJ_UINT32)getc(IN) << 16;
header->biIntent |= (OPJ_UINT32)getc(IN) << 24;
header->biIccProfileData = (OPJ_UINT32)getc(IN);
header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 8;
header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 16;
header->biIccProfileData |= (OPJ_UINT32)getc(IN) << 24;
header->biIccProfileSize = (OPJ_UINT32)getc(IN);
header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 8;
header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 16;
header->biIccProfileSize |= (OPJ_UINT32)getc(IN) << 24;
header->biReserved = (OPJ_UINT32)getc(IN);
header->biReserved |= (OPJ_UINT32)getc(IN) << 8;
header->biReserved |= (OPJ_UINT32)getc(IN) << 16;
header->biReserved |= (OPJ_UINT32)getc(IN) << 24;
}
return OPJ_TRUE;
}
static OPJ_BOOL bmp_read_raw_data(FILE* IN, OPJ_UINT8* pData, OPJ_UINT32 stride,
OPJ_UINT32 width, OPJ_UINT32 height)
{
OPJ_ARG_NOT_USED(width);
if (fread(pData, sizeof(OPJ_UINT8), stride * height, IN) != (stride * height)) {
fprintf(stderr,
"\nError: fread return a number of element different from the expected.\n");
return OPJ_FALSE;
}
return OPJ_TRUE;
}
static OPJ_BOOL bmp_read_rle8_data(FILE* IN, OPJ_UINT8* pData,
OPJ_UINT32 stride, OPJ_UINT32 width, OPJ_UINT32 height)
{
OPJ_UINT32 x, y;
OPJ_UINT8 *pix;
const OPJ_UINT8 *beyond;
beyond = pData + stride * height;
pix = pData;
x = y = 0U;
while (y < height) {
int c = getc(IN);
if (c) {
int j;
OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
for (j = 0; (j < c) && (x < width) &&
((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
*pix = c1;
}
} else {
c = getc(IN);
if (c == 0x00) { /* EOL */
x = 0;
++y;
pix = pData + y * stride + x;
} else if (c == 0x01) { /* EOP */
break;
} else if (c == 0x02) { /* MOVE by dxdy */
c = getc(IN);
x += (OPJ_UINT32)c;
c = getc(IN);
y += (OPJ_UINT32)c;
pix = pData + y * stride + x;
} else { /* 03 .. 255 */
int j;
for (j = 0; (j < c) && (x < width) &&
((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
*pix = c1;
}
if ((OPJ_UINT32)c & 1U) { /* skip padding byte */
getc(IN);
}
}
}
}/* while() */
return OPJ_TRUE;
}
static OPJ_BOOL bmp_read_rle4_data(FILE* IN, OPJ_UINT8* pData,
OPJ_UINT32 stride, OPJ_UINT32 width, OPJ_UINT32 height)
{
OPJ_UINT32 x, y;
OPJ_UINT8 *pix;
const OPJ_UINT8 *beyond;
beyond = pData + stride * height;
pix = pData;
x = y = 0U;
while (y < height) {
int c = getc(IN);
if (c == EOF) {
break;
}
if (c) { /* encoded mode */
int j;
OPJ_UINT8 c1 = (OPJ_UINT8)getc(IN);
for (j = 0; (j < c) && (x < width) &&
((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
*pix = (OPJ_UINT8)((j & 1) ? (c1 & 0x0fU) : ((c1 >> 4) & 0x0fU));
}
} else { /* absolute mode */
c = getc(IN);
if (c == EOF) {
break;
}
if (c == 0x00) { /* EOL */
x = 0;
y++;
pix = pData + y * stride;
} else if (c == 0x01) { /* EOP */
break;
} else if (c == 0x02) { /* MOVE by dxdy */
c = getc(IN);
x += (OPJ_UINT32)c;
c = getc(IN);
y += (OPJ_UINT32)c;
pix = pData + y * stride + x;
} else { /* 03 .. 255 : absolute mode */
int j;
OPJ_UINT8 c1 = 0U;
for (j = 0; (j < c) && (x < width) &&
((OPJ_SIZE_T)pix < (OPJ_SIZE_T)beyond); j++, x++, pix++) {
if ((j & 1) == 0) {
c1 = (OPJ_UINT8)getc(IN);
}
*pix = (OPJ_UINT8)((j & 1) ? (c1 & 0x0fU) : ((c1 >> 4) & 0x0fU));
}
if (((c & 3) == 1) || ((c & 3) == 2)) { /* skip padding byte */
getc(IN);
}
}
}
} /* while(y < height) */
return OPJ_TRUE;
}
opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters)
{
opj_image_cmptparm_t cmptparm[4]; /* maximum of 4 components */
OPJ_UINT8 lut_R[256], lut_G[256], lut_B[256];
OPJ_UINT8 const* pLUT[3];
opj_image_t * image = NULL;
FILE *IN;
OPJ_BITMAPFILEHEADER File_h;
OPJ_BITMAPINFOHEADER Info_h;
OPJ_UINT32 i, palette_len, numcmpts = 1U;
OPJ_BOOL l_result = OPJ_FALSE;
OPJ_UINT8* pData = NULL;
OPJ_UINT32 stride;
pLUT[0] = lut_R;
pLUT[1] = lut_G;
pLUT[2] = lut_B;
IN = fopen(filename, "rb");
if (!IN) {
fprintf(stderr, "Failed to open %s for reading !!\n", filename);
return NULL;
}
if (!bmp_read_file_header(IN, &File_h)) {
fclose(IN);
return NULL;
}
if (!bmp_read_info_header(IN, &Info_h)) {
fclose(IN);
return NULL;
}
/* Load palette */
if (Info_h.biBitCount <= 8U) {
memset(&lut_R[0], 0, sizeof(lut_R));
memset(&lut_G[0], 0, sizeof(lut_G));
memset(&lut_B[0], 0, sizeof(lut_B));
palette_len = Info_h.biClrUsed;
if ((palette_len == 0U) && (Info_h.biBitCount <= 8U)) {
palette_len = (1U << Info_h.biBitCount);
}
if (palette_len > 256U) {
palette_len = 256U;
}
if (palette_len > 0U) {
OPJ_UINT8 has_color = 0U;
for (i = 0U; i < palette_len; i++) {
lut_B[i] = (OPJ_UINT8)getc(IN);
lut_G[i] = (OPJ_UINT8)getc(IN);
lut_R[i] = (OPJ_UINT8)getc(IN);
(void)getc(IN); /* padding */
has_color |= (lut_B[i] ^ lut_G[i]) | (lut_G[i] ^ lut_R[i]);
}
if (has_color) {
numcmpts = 3U;
}
}
} else {
numcmpts = 3U;
if ((Info_h.biCompression == 3) && (Info_h.biAlphaMask != 0U)) {
numcmpts++;
}
}
if (Info_h.biWidth == 0 || Info_h.biHeight == 0) {
fclose(IN);
return NULL;
}
if (Info_h.biBitCount > (((OPJ_UINT32) - 1) - 31) / Info_h.biWidth) {
fclose(IN);
return NULL;
}
stride = ((Info_h.biWidth * Info_h.biBitCount + 31U) / 32U) *
4U; /* rows are aligned on 32bits */
if (Info_h.biBitCount == 4 &&
Info_h.biCompression == 2) { /* RLE 4 gets decoded as 8 bits data for now... */
if (8 > (((OPJ_UINT32) - 1) - 31) / Info_h.biWidth) {
fclose(IN);
return NULL;
}
stride = ((Info_h.biWidth * 8U + 31U) / 32U) * 4U;
}
if (stride > ((OPJ_UINT32) - 1) / sizeof(OPJ_UINT8) / Info_h.biHeight) {
fclose(IN);
return NULL;
}
pData = (OPJ_UINT8 *) calloc(1, stride * Info_h.biHeight * sizeof(OPJ_UINT8));
if (pData == NULL) {
fclose(IN);
return NULL;
}
/* Place the cursor at the beginning of the image information */
fseek(IN, 0, SEEK_SET);
fseek(IN, (long)File_h.bfOffBits, SEEK_SET);
switch (Info_h.biCompression) {
case 0:
case 3:
/* read raw data */
l_result = bmp_read_raw_data(IN, pData, stride, Info_h.biWidth,
Info_h.biHeight);
break;
case 1:
/* read rle8 data */
l_result = bmp_read_rle8_data(IN, pData, stride, Info_h.biWidth,
Info_h.biHeight);
break;
case 2:
/* read rle4 data */
l_result = bmp_read_rle4_data(IN, pData, stride, Info_h.biWidth,
Info_h.biHeight);
break;
default:
fprintf(stderr, "Unsupported BMP compression\n");
l_result = OPJ_FALSE;
break;
}
if (!l_result) {
free(pData);
fclose(IN);
return NULL;
}
/* create the image */
memset(&cmptparm[0], 0, sizeof(cmptparm));
for (i = 0; i < 4U; i++) {
cmptparm[i].prec = 8;
cmptparm[i].bpp = 8;
cmptparm[i].sgnd = 0;
cmptparm[i].dx = (OPJ_UINT32)parameters->subsampling_dx;
cmptparm[i].dy = (OPJ_UINT32)parameters->subsampling_dy;
cmptparm[i].w = Info_h.biWidth;
cmptparm[i].h = Info_h.biHeight;
}
image = opj_image_create(numcmpts, &cmptparm[0],
(numcmpts == 1U) ? OPJ_CLRSPC_GRAY : OPJ_CLRSPC_SRGB);
if (!image) {
fclose(IN);
free(pData);
return NULL;
}
if (numcmpts == 4U) {
image->comps[3].alpha = 1;
}
/* 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 + (Info_h.biWidth - 1U) * (OPJ_UINT32)
parameters->subsampling_dx + 1U;
image->y1 = image->y0 + (Info_h.biHeight - 1U) * (OPJ_UINT32)
parameters->subsampling_dy + 1U;
/* Read the data */
if (Info_h.biBitCount == 24 && Info_h.biCompression == 0) { /*RGB */
bmp24toimage(pData, stride, image);
} else if (Info_h.biBitCount == 8 &&
Info_h.biCompression == 0) { /* RGB 8bpp Indexed */
bmp8toimage(pData, stride, image, pLUT);
} else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { /*RLE8*/
bmp8toimage(pData, stride, image, pLUT);
} else if (Info_h.biBitCount == 4 && Info_h.biCompression == 2) { /*RLE4*/
bmp8toimage(pData, stride, image,
pLUT); /* RLE 4 gets decoded as 8 bits data for now */
} else if (Info_h.biBitCount == 32 && Info_h.biCompression == 0) { /* RGBX */
bmpmask32toimage(pData, stride, image, 0x00FF0000U, 0x0000FF00U, 0x000000FFU,
0x00000000U);
} else if (Info_h.biBitCount == 32 && Info_h.biCompression == 3) { /* bitmask */
bmpmask32toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask,
Info_h.biBlueMask, Info_h.biAlphaMask);
} else if (Info_h.biBitCount == 16 && Info_h.biCompression == 0) { /* RGBX */
bmpmask16toimage(pData, stride, image, 0x7C00U, 0x03E0U, 0x001FU, 0x0000U);
} else if (Info_h.biBitCount == 16 && Info_h.biCompression == 3) { /* bitmask */
if ((Info_h.biRedMask == 0U) && (Info_h.biGreenMask == 0U) &&
(Info_h.biBlueMask == 0U)) {
Info_h.biRedMask = 0xF800U;
Info_h.biGreenMask = 0x07E0U;
Info_h.biBlueMask = 0x001FU;
}
bmpmask16toimage(pData, stride, image, Info_h.biRedMask, Info_h.biGreenMask,
Info_h.biBlueMask, Info_h.biAlphaMask);
} else {
opj_image_destroy(image);
image = NULL;
fprintf(stderr,
"Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n",
Info_h.biBitCount);
}
free(pData);
fclose(IN);
return image;
}
int imagetobmp(opj_image_t * image, const char *outfile)
{
int w, h;
int i, pad;
FILE *fdest = NULL;
int adjustR, adjustG, adjustB;
if (image->comps[0].prec < 8) {
fprintf(stderr, "Unsupported number of components: %d\n", image->comps[0].prec);
return 1;
}
if (image->numcomps >= 3 && image->comps[0].dx == image->comps[1].dx
&& image->comps[1].dx == image->comps[2].dx
&& image->comps[0].dy == image->comps[1].dy
&& image->comps[1].dy == image->comps[2].dy
&& image->comps[0].prec == image->comps[1].prec
&& image->comps[1].prec == image->comps[2].prec) {
/* -->> -->> -->> -->>
24 bits color
<<-- <<-- <<-- <<-- */
fdest = fopen(outfile, "wb");
if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
return 1;
}
w = (int)image->comps[0].w;
h = (int)image->comps[0].h;
fprintf(fdest, "BM");
/* FILE HEADER */
/* ------------- */
fprintf(fdest, "%c%c%c%c",
(OPJ_UINT8)(h * w * 3 + 3 * h * (w % 2) + 54) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff, ((54) >> 16) & 0xff,
((54) >> 24) & 0xff);
/* INFO HEADER */
/* ------------- */
fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff,
((40) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((w) & 0xff),
(OPJ_UINT8)((w) >> 8) & 0xff,
(OPJ_UINT8)((w) >> 16) & 0xff,
(OPJ_UINT8)((w) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((h) & 0xff),
(OPJ_UINT8)((h) >> 8) & 0xff,
(OPJ_UINT8)((h) >> 16) & 0xff,
(OPJ_UINT8)((h) >> 24) & 0xff);
fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(3 * h * w + 3 * h * (w % 2)) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff,
(OPJ_UINT8)((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
if (image->comps[0].prec > 8) {
adjustR = (int)image->comps[0].prec - 8;
printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n",
image->comps[0].prec);
} else {
adjustR = 0;
}
if (image->comps[1].prec > 8) {
adjustG = (int)image->comps[1].prec - 8;
printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n",
image->comps[1].prec);
} else {
adjustG = 0;
}
if (image->comps[2].prec > 8) {
adjustB = (int)image->comps[2].prec - 8;
printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n",
image->comps[2].prec);
} else {
adjustB = 0;
}
for (i = 0; i < w * h; i++) {
OPJ_UINT8 rc, gc, bc;
int r, g, b;
r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2));
if (r > 255) {
r = 255;
} else if (r < 0) {
r = 0;
}
rc = (OPJ_UINT8)r;
g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
g = ((g >> adjustG) + ((g >> (adjustG - 1)) % 2));
if (g > 255) {
g = 255;
} else if (g < 0) {
g = 0;
}
gc = (OPJ_UINT8)g;
b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
b = ((b >> adjustB) + ((b >> (adjustB - 1)) % 2));
if (b > 255) {
b = 255;
} else if (b < 0) {
b = 0;
}
bc = (OPJ_UINT8)b;
fprintf(fdest, "%c%c%c", bc, gc, rc);
if ((i + 1) % w == 0) {
for (pad = ((3 * w) % 4) ? (4 - (3 * w) % 4) : 0; pad > 0; pad--) { /* ADD */
fprintf(fdest, "%c", 0);
}
}
}
fclose(fdest);
} else { /* Gray-scale */
/* -->> -->> -->> -->>
8 bits non code (Gray scale)
<<-- <<-- <<-- <<-- */
fdest = fopen(outfile, "wb");
if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
return 1;
}
w = (int)image->comps[0].w;
h = (int)image->comps[0].h;
fprintf(fdest, "BM");
/* FILE HEADER */
/* ------------- */
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(h * w + 54 + 1024 + h * (w % 2)) & 0xff,
(OPJ_UINT8)((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff,
(OPJ_UINT8)((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff,
(OPJ_UINT8)((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff,
((54 + 1024) >> 16) & 0xff,
((54 + 1024) >> 24) & 0xff);
/* INFO HEADER */
/* ------------- */
fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff,
((40) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((w) & 0xff),
(OPJ_UINT8)((w) >> 8) & 0xff,
(OPJ_UINT8)((w) >> 16) & 0xff,
(OPJ_UINT8)((w) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)((h) & 0xff),
(OPJ_UINT8)((h) >> 8) & 0xff,
(OPJ_UINT8)((h) >> 16) & 0xff,
(OPJ_UINT8)((h) >> 24) & 0xff);
fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff);
fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff);
fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff,
((0) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (OPJ_UINT8)(h * w + h * (w % 2)) & 0xff,
(OPJ_UINT8)((h * w + h * (w % 2)) >> 8) & 0xff,
(OPJ_UINT8)((h * w + h * (w % 2)) >> 16) & 0xff,
(OPJ_UINT8)((h * w + h * (w % 2)) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff,
((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff,
((256) >> 16) & 0xff, ((256) >> 24) & 0xff);
if (image->comps[0].prec > 8) {
adjustR = (int)image->comps[0].prec - 8;
printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n",
image->comps[0].prec);
} else {
adjustR = 0;
}
for (i = 0; i < 256; i++) {
fprintf(fdest, "%c%c%c%c", i, i, i, 0);
}
for (i = 0; i < w * h; i++) {
int r;
r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2));
if (r > 255) {
r = 255;
} else if (r < 0) {
r = 0;
}
fprintf(fdest, "%c", (OPJ_UINT8)r);
if ((i + 1) % w == 0) {
for (pad = (w % 4) ? (4 - w % 4) : 0; pad > 0; pad--) { /* ADD */
fprintf(fdest, "%c", 0);
}
}
}
fclose(fdest);
}
return 0;
}
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