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Diffstat (limited to 'openjpeg/src/bin/jp2/convertbmp.c')
-rw-r--r--openjpeg/src/bin/jp2/convertbmp.c1106
1 files changed, 0 insertions, 1106 deletions
diff --git a/openjpeg/src/bin/jp2/convertbmp.c b/openjpeg/src/bin/jp2/convertbmp.c
deleted file mode 100644
index 084f70bb..00000000
--- a/openjpeg/src/bin/jp2/convertbmp.c
+++ /dev/null
@@ -1,1106 +0,0 @@
-/*
- * 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->biBitCount == 0) {
- fprintf(stderr, "Error, invalid biBitCount %d\n", 0);
- return OPJ_FALSE;
- }
-
- 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 == EOF) {
- return OPJ_FALSE;
- }
-
- if (c) {
- int j, c1_int;
- OPJ_UINT8 c1;
-
- c1_int = getc(IN);
- if (c1_int == EOF) {
- return OPJ_FALSE;
- }
- c1 = (OPJ_UINT8)c1_int;
-
- 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 == EOF) {
- return OPJ_FALSE;
- }
-
- 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);
- if (c == EOF) {
- return OPJ_FALSE;
- }
- x += (OPJ_UINT32)c;
- c = getc(IN);
- if (c == EOF) {
- return OPJ_FALSE;
- }
- 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++) {
- int c1_int;
- OPJ_UINT8 c1;
- c1_int = getc(IN);
- if (c1_int == EOF) {
- return OPJ_FALSE;
- }
- c1 = (OPJ_UINT8)c1_int;
- *pix = c1;
- }
- if ((OPJ_UINT32)c & 1U) { /* skip padding byte */
- c = getc(IN);
- if (c == EOF) {
- return OPJ_FALSE;
- }
- }
- }
- }
- }/* 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, "imagetobmp: Unsupported precision: %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
- && image->comps[0].sgnd == image->comps[1].sgnd
- && image->comps[1].sgnd == image->comps[2].sgnd) {
-
- /* -->> -->> -->> -->>
- 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);
- if (adjustR > 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);
- if (adjustG > 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);
- if (adjustB > 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;
- }
- if (image->numcomps > 1) {
- fprintf(stderr, "imagetobmp: only first component of %d is used.\n",
- image->numcomps);
- }
- 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);
- if (adjustR > 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;
-}