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Diffstat (limited to 'openjpeg/src/bin/jpwl/convert.c')
| -rw-r--r-- | openjpeg/src/bin/jpwl/convert.c | 3748 |
1 files changed, 0 insertions, 3748 deletions
diff --git a/openjpeg/src/bin/jpwl/convert.c b/openjpeg/src/bin/jpwl/convert.c deleted file mode 100644 index d0ec4bd0..00000000 --- a/openjpeg/src/bin/jpwl/convert.c +++ /dev/null @@ -1,3748 +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> - -#ifdef OPJ_HAVE_LIBTIFF -#include <tiffio.h> -#endif /* OPJ_HAVE_LIBTIFF */ - -#ifdef OPJ_HAVE_LIBPNG -#include <zlib.h> -#include <png.h> -#endif /* OPJ_HAVE_LIBPNG */ - -#include "openjpeg.h" -#include "convert.h" - -/* - * Get logarithm of an integer and round downwards. - * - * log2(a) - */ -static int int_floorlog2(int a) -{ - int l; - for (l = 0; a > 1; l++) { - a >>= 1; - } - return l; -} - -/* -->> -->> -->> -->> - - TGA IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -#ifdef INFORMATION_ONLY -/* TGA header definition. */ -struct tga_header { - unsigned char id_length; /* Image id field length */ - unsigned char colour_map_type; /* Colour map type */ - unsigned char image_type; /* Image type */ - /* - ** Colour map specification - */ - unsigned short colour_map_index; /* First entry index */ - unsigned short colour_map_length; /* Colour map length */ - unsigned char colour_map_entry_size; /* Colour map entry size */ - /* - ** Image specification - */ - unsigned short x_origin; /* x origin of image */ - unsigned short y_origin; /* u origin of image */ - unsigned short image_width; /* Image width */ - unsigned short image_height; /* Image height */ - unsigned char pixel_depth; /* Pixel depth */ - unsigned char image_desc; /* Image descriptor */ -}; -#endif /* INFORMATION_ONLY */ - -static unsigned short get_ushort(unsigned short val) -{ - -#ifdef OPJ_BIG_ENDIAN - return (((val & 0xff) << 8) + (val >> 8)); -#else - return (val); -#endif - -} - -#define TGA_HEADER_SIZE 18 - -static int tga_readheader(FILE *fp, unsigned int *bits_per_pixel, - unsigned int *width, unsigned int *height, int *flip_image) -{ - int palette_size; - unsigned char *tga ; - unsigned char id_len, cmap_type, image_type; - unsigned char pixel_depth, image_desc; - unsigned short cmap_index, cmap_len, cmap_entry_size; - unsigned short x_origin, y_origin, image_w, image_h; - - if (!bits_per_pixel || !width || !height || !flip_image) { - return 0; - } - tga = (unsigned char*)malloc(18); - - if (fread(tga, TGA_HEADER_SIZE, 1, fp) != 1) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - free(tga); - return 0 ; - } - id_len = (unsigned char)tga[0]; - cmap_type = (unsigned char)tga[1]; - image_type = (unsigned char)tga[2]; - cmap_index = get_ushort(*(unsigned short*)(&tga[3])); - cmap_len = get_ushort(*(unsigned short*)(&tga[5])); - cmap_entry_size = (unsigned char)tga[7]; - - - x_origin = get_ushort(*(unsigned short*)(&tga[8])); - y_origin = get_ushort(*(unsigned short*)(&tga[10])); - image_w = get_ushort(*(unsigned short*)(&tga[12])); - image_h = get_ushort(*(unsigned short*)(&tga[14])); - pixel_depth = (unsigned char)tga[16]; - image_desc = (unsigned char)tga[17]; - - free(tga); - - *bits_per_pixel = (unsigned int)pixel_depth; - *width = (unsigned int)image_w; - *height = (unsigned int)image_h; - - /* Ignore tga identifier, if present ... */ - if (id_len) { - unsigned char *id = (unsigned char *) malloc(id_len); - if (!fread(id, id_len, 1, fp)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - free(id); - return 0 ; - } - free(id); - } - - /* Test for compressed formats ... not yet supported ... - // Note :- 9 - RLE encoded palettized. - // 10 - RLE encoded RGB. */ - if (image_type > 8) { - fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n"); - return 0 ; - } - - *flip_image = !(image_desc & 32); - - /* Palettized formats are not yet supported, skip over the palette, if present ... */ - palette_size = cmap_len * (cmap_entry_size / 8); - - if (palette_size > 0) { - fprintf(stderr, "File contains a palette - not yet supported."); - fseek(fp, palette_size, SEEK_CUR); - } - return 1; -} - -#ifdef OPJ_BIG_ENDIAN - -static inline uint16_t swap16(uint16_t x) -{ - return (((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) -{ - unsigned short image_w, image_h, us0; - unsigned char uc0, image_type; - unsigned char pixel_depth, image_desc; - - if (!bits_per_pixel || !width || !height) { - return 0; - } - - pixel_depth = 0; - - if (bits_per_pixel < 256) { - pixel_depth = (unsigned char)bits_per_pixel; - } else { - fprintf(stderr, "ERROR: Wrong bits per pixel inside tga_header"); - return 0; - } - uc0 = 0; - - if (fwrite(&uc0, 1, 1, fp) != 1) { - goto fails; /* id_length */ - } - if (fwrite(&uc0, 1, 1, fp) != 1) { - goto fails; /* colour_map_type */ - } - - image_type = 2; /* Uncompressed. */ - if (fwrite(&image_type, 1, 1, fp) != 1) { - goto fails; - } - - us0 = 0; - if (fwrite(&us0, 2, 1, fp) != 1) { - goto fails; /* colour_map_index */ - } - if (fwrite(&us0, 2, 1, fp) != 1) { - goto fails; /* colour_map_length */ - } - if (fwrite(&uc0, 1, 1, fp) != 1) { - goto fails; /* colour_map_entry_size */ - } - - if (fwrite(&us0, 2, 1, fp) != 1) { - goto fails; /* x_origin */ - } - if (fwrite(&us0, 2, 1, fp) != 1) { - goto fails; /* y_origin */ - } - - image_w = (unsigned short)width; - image_h = (unsigned short) height; - -#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)) { - return NULL; - } - - /* We currently only support 24 & 32 bit tga's ... */ - if (!((pixel_bit_depth == 24) || (pixel_bit_depth == 32))) { - return NULL; - } - - /* initialize image components */ - memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t)); - - mono = (pixel_bit_depth == 8) || - (pixel_bit_depth == 16); /* Mono with & without alpha. */ - save_alpha = (pixel_bit_depth == 16) || - (pixel_bit_depth == 32); /* Mono with alpha, or RGB with alpha */ - - if (mono) { - color_space = CLRSPC_GRAY; - numcomps = save_alpha ? 2 : 1; - } else { - numcomps = save_alpha ? 4 : 3; - color_space = CLRSPC_SRGB; - } - - subsampling_dx = parameters->subsampling_dx; - subsampling_dy = parameters->subsampling_dy; - - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = image_width; - cmptparm[i].h = image_height; - } - - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - - if (!image) { - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (image_width - 1) * subsampling_dx + 1 : image->x0 + - (image_width - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (image_height - 1) * subsampling_dy + 1 : image->y0 + - (image_height - 1) * subsampling_dy + 1; - - /* set image data */ - for (y = 0; y < image_height; y++) { - int index; - - if (flip_image) { - index = (image_height - y - 1) * image_width; - } else { - index = y * image_width; - } - - if (numcomps == 3) { - for (x = 0; x < image_width; x++) { - unsigned char r, g, b; - - if (!fread(&b, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - if (!fread(&g, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - if (!fread(&r, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - - image->comps[0].data[index] = r; - image->comps[1].data[index] = g; - image->comps[2].data[index] = b; - index++; - } - } else if (numcomps == 4) { - for (x = 0; x < image_width; x++) { - unsigned char r, g, b, a; - if (!fread(&b, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - if (!fread(&g, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - if (!fread(&r, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - if (!fread(&a, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - opj_image_destroy(image); - return NULL; - } - - image->comps[0].data[index] = r; - image->comps[1].data[index] = g; - image->comps[2].data[index] = b; - image->comps[3].data[index] = a; - index++; - } - } else { - fprintf(stderr, "Currently unsupported bit depth : %s\n", filename); - } - } - return image; -} - -int imagetotga(opj_image_t * image, const char *outfile) -{ - int width, height, bpp, x, y; - opj_bool write_alpha; - int i, adjustR, adjustG, adjustB; - unsigned int alpha_channel; - float r, g, b, a; - unsigned char value; - float scale; - FILE *fdest; - size_t res; - - fdest = fopen(outfile, "wb"); - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); - return 1; - } - - for (i = 0; i < image->numcomps - 1; i++) { - if ((image->comps[0].dx != image->comps[i + 1].dx) - || (image->comps[0].dy != image->comps[i + 1].dy) - || (image->comps[0].prec != image->comps[i + 1].prec)) { - fprintf(stderr, - "Unable to create a tga file with such J2K image charateristics."); - return 1; - } - } - - width = image->comps[0].w; - height = image->comps[0].h; - - /* Mono with alpha, or RGB with alpha. */ - write_alpha = (image->numcomps == 2) || (image->numcomps == 4); - - /* Write TGA header */ - bpp = write_alpha ? 32 : 24; - if (!tga_writeheader(fdest, bpp, width, height, OPJ_TRUE)) { - return 1; - } - - alpha_channel = image->numcomps - 1; - - scale = 255.0f / (float)((1 << image->comps[0].prec) - 1); - - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - - for (y = 0; y < height; y++) { - unsigned int index = y * width; - - for (x = 0; x < width; x++, index++) { - r = (float)(image->comps[0].data[index] + adjustR); - - if (image->numcomps > 2) { - g = (float)(image->comps[1].data[index] + adjustG); - b = (float)(image->comps[2].data[index] + adjustB); - } else { /* Greyscale ... */ - g = r; - b = r; - } - - /* TGA format writes BGR ... */ - value = (unsigned char)(b * scale); - res = fwrite(&value, 1, 1, fdest); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - - value = (unsigned char)(g * scale); - res = fwrite(&value, 1, 1, fdest); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - - value = (unsigned char)(r * scale); - res = fwrite(&value, 1, 1, fdest); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - - if (write_alpha) { - a = (float)(image->comps[alpha_channel].data[index]); - value = (unsigned char)(a * scale); - res = fwrite(&value, 1, 1, fdest); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - } - } - } - - return 0; -} - -/* -->> -->> -->> -->> - - BMP IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -/* WORD defines a two byte word */ -typedef unsigned short int WORD; - -/* DWORD defines a four byte word */ -typedef unsigned int DWORD; - -typedef struct { - WORD bfType; /* 'BM' for Bitmap (19776) */ - DWORD bfSize; /* Size of the file */ - WORD bfReserved1; /* Reserved : 0 */ - WORD bfReserved2; /* Reserved : 0 */ - DWORD bfOffBits; /* Offset */ -} BITMAPFILEHEADER_t; - -typedef struct { - DWORD biSize; /* Size of the structure in bytes */ - DWORD biWidth; /* Width of the image in pixels */ - DWORD biHeight; /* Height of the image in pixels */ - WORD biPlanes; /* 1 */ - WORD biBitCount; /* Number of color bits by pixels */ - DWORD biCompression; /* Type of encoding 0: none 1: RLE8 2: RLE4 */ - DWORD biSizeImage; /* Size of the image in bytes */ - DWORD biXpelsPerMeter; /* Horizontal (X) resolution in pixels/meter */ - DWORD biYpelsPerMeter; /* Vertical (Y) resolution in pixels/meter */ - DWORD biClrUsed; /* Number of color used in the image (0: ALL) */ - DWORD biClrImportant; /* Number of important color (0: ALL) */ -} BITMAPINFOHEADER_t; - -opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - - int i, numcomps, w, h; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */ - opj_image_t * image = NULL; - - FILE *IN; - BITMAPFILEHEADER_t File_h; - BITMAPINFOHEADER_t Info_h; - unsigned char *RGB; - unsigned char *table_R, *table_G, *table_B; - unsigned int j, PAD = 0; - - int x, y, index; - int gray_scale = 1; - int has_color; - DWORD W, H; - - IN = fopen(filename, "rb"); - if (!IN) { - fprintf(stderr, "Failed to open %s for reading !!\n", filename); - return NULL; - } - - File_h.bfType = getc(IN); - File_h.bfType = (getc(IN) << 8) + File_h.bfType; - - if (File_h.bfType != 19778) { - fprintf(stderr, "Error, not a BMP file!\n"); - fclose(IN); - return NULL; - } - /* FILE HEADER */ - /* ------------- */ - File_h.bfSize = getc(IN); - File_h.bfSize = (getc(IN) << 8) + File_h.bfSize; - File_h.bfSize = (getc(IN) << 16) + File_h.bfSize; - File_h.bfSize = (getc(IN) << 24) + File_h.bfSize; - - File_h.bfReserved1 = getc(IN); - File_h.bfReserved1 = (getc(IN) << 8) + File_h.bfReserved1; - - File_h.bfReserved2 = getc(IN); - File_h.bfReserved2 = (getc(IN) << 8) + File_h.bfReserved2; - - File_h.bfOffBits = getc(IN); - File_h.bfOffBits = (getc(IN) << 8) + File_h.bfOffBits; - File_h.bfOffBits = (getc(IN) << 16) + File_h.bfOffBits; - File_h.bfOffBits = (getc(IN) << 24) + File_h.bfOffBits; - - /* INFO HEADER */ - /* ------------- */ - - Info_h.biSize = getc(IN); - Info_h.biSize = (getc(IN) << 8) + Info_h.biSize; - Info_h.biSize = (getc(IN) << 16) + Info_h.biSize; - Info_h.biSize = (getc(IN) << 24) + Info_h.biSize; - - if (Info_h.biSize != 40) { - fprintf(stderr, "Error, unknown BMP header size %d\n", Info_h.biSize); - fclose(IN); - return NULL; - } - Info_h.biWidth = getc(IN); - Info_h.biWidth = (getc(IN) << 8) + Info_h.biWidth; - Info_h.biWidth = (getc(IN) << 16) + Info_h.biWidth; - Info_h.biWidth = (getc(IN) << 24) + Info_h.biWidth; - w = Info_h.biWidth; - - Info_h.biHeight = getc(IN); - Info_h.biHeight = (getc(IN) << 8) + Info_h.biHeight; - Info_h.biHeight = (getc(IN) << 16) + Info_h.biHeight; - Info_h.biHeight = (getc(IN) << 24) + Info_h.biHeight; - h = Info_h.biHeight; - - Info_h.biPlanes = getc(IN); - Info_h.biPlanes = (getc(IN) << 8) + Info_h.biPlanes; - - Info_h.biBitCount = getc(IN); - Info_h.biBitCount = (getc(IN) << 8) + Info_h.biBitCount; - - Info_h.biCompression = getc(IN); - Info_h.biCompression = (getc(IN) << 8) + Info_h.biCompression; - Info_h.biCompression = (getc(IN) << 16) + Info_h.biCompression; - Info_h.biCompression = (getc(IN) << 24) + Info_h.biCompression; - - Info_h.biSizeImage = getc(IN); - Info_h.biSizeImage = (getc(IN) << 8) + Info_h.biSizeImage; - Info_h.biSizeImage = (getc(IN) << 16) + Info_h.biSizeImage; - Info_h.biSizeImage = (getc(IN) << 24) + Info_h.biSizeImage; - - Info_h.biXpelsPerMeter = getc(IN); - Info_h.biXpelsPerMeter = (getc(IN) << 8) + Info_h.biXpelsPerMeter; - Info_h.biXpelsPerMeter = (getc(IN) << 16) + Info_h.biXpelsPerMeter; - Info_h.biXpelsPerMeter = (getc(IN) << 24) + Info_h.biXpelsPerMeter; - - Info_h.biYpelsPerMeter = getc(IN); - Info_h.biYpelsPerMeter = (getc(IN) << 8) + Info_h.biYpelsPerMeter; - Info_h.biYpelsPerMeter = (getc(IN) << 16) + Info_h.biYpelsPerMeter; - Info_h.biYpelsPerMeter = (getc(IN) << 24) + Info_h.biYpelsPerMeter; - - Info_h.biClrUsed = getc(IN); - Info_h.biClrUsed = (getc(IN) << 8) + Info_h.biClrUsed; - Info_h.biClrUsed = (getc(IN) << 16) + Info_h.biClrUsed; - Info_h.biClrUsed = (getc(IN) << 24) + Info_h.biClrUsed; - - Info_h.biClrImportant = getc(IN); - Info_h.biClrImportant = (getc(IN) << 8) + Info_h.biClrImportant; - Info_h.biClrImportant = (getc(IN) << 16) + Info_h.biClrImportant; - Info_h.biClrImportant = (getc(IN) << 24) + Info_h.biClrImportant; - - /* Read the data and store them in the OUT file */ - - if (Info_h.biBitCount == 24) { - numcomps = 3; - color_space = CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if (!image) { - fclose(IN); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + - (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + - (h - 1) * subsampling_dy + 1; - - /* set image data */ - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - - /* PAD = 4 - (3 * W) % 4; */ - /* PAD = (PAD == 4) ? 0 : PAD; */ - PAD = (3 * W) % 4 ? 4 - (3 * W) % 4 : 0; - - RGB = (unsigned char *) - malloc((3 * W + PAD) * H * sizeof(unsigned char)); - - if (fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, - IN) != (3 * W + PAD) * H) { - free(RGB); - opj_image_destroy(image); - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return NULL; - } - - index = 0; - - for (y = 0; y < (int)H; y++) { - unsigned char *scanline = RGB + (3 * W + PAD) * (H - 1 - y); - for (x = 0; x < (int)W; x++) { - unsigned char *pixel = &scanline[3 * x]; - image->comps[0].data[index] = pixel[2]; /* R */ - image->comps[1].data[index] = pixel[1]; /* G */ - image->comps[2].data[index] = pixel[0]; /* B */ - index++; - } - } - free(RGB); - }/* if (Info_h.biBitCount == 24) */ - else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) { /*RGB */ - if (Info_h.biClrUsed == 0) { - Info_h.biClrUsed = 256; - } else if (Info_h.biClrUsed > 256) { - Info_h.biClrUsed = 256; - } - - table_R = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_G = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_B = (unsigned char *) malloc(256 * sizeof(unsigned char)); - - has_color = 0; - for (j = 0; j < Info_h.biClrUsed; j++) { - table_B[j] = (unsigned char)getc(IN); - table_G[j] = (unsigned char)getc(IN); - table_R[j] = (unsigned char)getc(IN); - getc(IN); - has_color += - !(table_R[j] == table_G[j] && table_R[j] == table_B[j]); - } - if (has_color) { - gray_scale = 0; - } - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - if (Info_h.biWidth % 2) { - W++; - } - - numcomps = gray_scale ? 1 : 3; - color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if (!image) { - fclose(IN); - free(table_R); - free(table_G); - free(table_B); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + - (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + - (h - 1) * subsampling_dy + 1; - - /* set image data */ - - RGB = (unsigned char *) malloc(W * H * sizeof(unsigned char)); - - if (fread(RGB, sizeof(unsigned char), W * H, IN) != W * H) { - free(table_R); - free(table_G); - free(table_B); - free(RGB); - opj_image_destroy(image); - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return NULL; - } - if (gray_scale) { - index = 0; - for (j = 0; j < W * H; j++) { - if ((j % W < W - 1 && Info_h.biWidth % 2) || !(Info_h.biWidth % 2)) { - image->comps[0].data[index] = - table_R[RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]]; - index++; - } - } - - } else { - index = 0; - for (j = 0; j < W * H; j++) { - if ((j % W < W - 1 && Info_h.biWidth % 2) - || !(Info_h.biWidth % 2)) { - unsigned char pixel_index = - RGB[W * H - ((j) / (W) + 1) * W + (j) % (W)]; - image->comps[0].data[index] = table_R[pixel_index]; - image->comps[1].data[index] = table_G[pixel_index]; - image->comps[2].data[index] = table_B[pixel_index]; - index++; - } - } - } - free(RGB); - free(table_R); - free(table_G); - free(table_B); - }/* RGB8 */ - else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) { /*RLE8*/ - unsigned char *pix, *beyond; - int *gray, *red, *green, *blue; - unsigned int x, y, max; - int i, c, c1; - unsigned char uc; - - if (Info_h.biClrUsed == 0) { - Info_h.biClrUsed = 256; - } else if (Info_h.biClrUsed > 256) { - Info_h.biClrUsed = 256; - } - - table_R = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_G = (unsigned char *) malloc(256 * sizeof(unsigned char)); - table_B = (unsigned char *) malloc(256 * sizeof(unsigned char)); - - has_color = 0; - for (j = 0; j < Info_h.biClrUsed; j++) { - table_B[j] = (unsigned char)getc(IN); - table_G[j] = (unsigned char)getc(IN); - table_R[j] = (unsigned char)getc(IN); - getc(IN); - has_color += !(table_R[j] == table_G[j] && table_R[j] == table_B[j]); - } - - if (has_color) { - gray_scale = 0; - } - - numcomps = gray_scale ? 1 : 3; - color_space = gray_scale ? CLRSPC_GRAY : CLRSPC_SRGB; - /* initialize image components */ - memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t)); - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = 8; - cmptparm[i].bpp = 8; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if (!image) { - fclose(IN); - free(table_R); - free(table_G); - free(table_B); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : image->x0 + (w - - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : image->y0 + (h - - 1) * subsampling_dy + 1; - - /* set image data */ - - /* Place the cursor at the beginning of the image information */ - fseek(IN, 0, SEEK_SET); - fseek(IN, File_h.bfOffBits, SEEK_SET); - - W = Info_h.biWidth; - H = Info_h.biHeight; - RGB = (unsigned char *) calloc(1, W * H * sizeof(unsigned char)); - beyond = RGB + W * H; - pix = beyond - W; - x = y = 0; - - while (y < H) { - c = getc(IN); - - if (c) { - c1 = getc(IN); - - for (i = 0; i < c && x < W && pix < beyond; i++, x++, pix++) { - *pix = (unsigned char)c1; - } - } else { - c = getc(IN); - - if (c == 0x00) { /* EOL */ - x = 0; - ++y; - pix = RGB + x + (H - y - 1) * W; - } else if (c == 0x01) { /* EOP */ - break; - } else if (c == 0x02) { /* MOVE by dxdy */ - c = getc(IN); - x += c; - c = getc(IN); - y += c; - pix = RGB + (H - y - 1) * W + x; - } else { /* 03 .. 255 */ - i = 0; - for (; i < c && x < W && pix < beyond; i++, x++, pix++) { - c1 = getc(IN); - *pix = (unsigned char)c1; - } - if (c & 1) { /* skip padding byte */ - getc(IN); - } - } - } - }/* while() */ - - if (gray_scale) { - gray = image->comps[0].data; - pix = RGB; - max = W * H; - - while (max--) { - uc = *pix++; - - *gray++ = table_R[uc]; - } - } else { - /*int *red, *green, *blue;*/ - - red = image->comps[0].data; - green = image->comps[1].data; - blue = image->comps[2].data; - pix = RGB; - max = W * H; - - while (max--) { - uc = *pix++; - - *red++ = table_R[uc]; - *green++ = table_G[uc]; - *blue++ = table_B[uc]; - } - } - free(RGB); - free(table_R); - free(table_G); - free(table_B); - }/* RLE8 */ - else { - fprintf(stderr, - "Other system than 24 bits/pixels or 8 bits (no RLE coding) " - "is not yet implemented [%d]\n", Info_h.biBitCount); - } - fclose(IN); - return image; -} - -int imagetobmp(opj_image_t * image, const char *outfile) -{ - int w, h; - int i, pad; - FILE *fdest = NULL; - int adjustR, adjustG, adjustB; - - if (image->comps[0].prec < 8) { - fprintf(stderr, "Unsupported 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) { - - /* -->> -->> -->> -->> - 24 bits color - <<-- <<-- <<-- <<-- */ - - fdest = fopen(outfile, "wb"); - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); - return 1; - } - - w = image->comps[0].w; - h = image->comps[0].h; - - fprintf(fdest, "BM"); - - /* FILE HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", - (unsigned char)(h * w * 3 + 3 * h * (w % 2) + 54) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2) + 54) >> 8) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2) + 54) >> 16) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2) + 54) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (54) & 0xff, ((54) >> 8) & 0xff, ((54) >> 16) & 0xff, - ((54) >> 24) & 0xff); - - /* INFO HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, - ((40) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)((w) & 0xff), - (unsigned char)((w) >> 8) & 0xff, - (unsigned char)((w) >> 16) & 0xff, - (unsigned char)((w) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)((h) & 0xff), - (unsigned char)((h) >> 8) & 0xff, - (unsigned char)((h) >> 16) & 0xff, - (unsigned char)((h) >> 24) & 0xff); - fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff); - fprintf(fdest, "%c%c", (24) & 0xff, ((24) >> 8) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)(3 * h * w + 3 * h * (w % 2)) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2)) >> 8) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2)) >> 16) & 0xff, - (unsigned char)((h * w * 3 + 3 * h * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, - ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, - ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - - if (image->comps[0].prec > 8) { - adjustR = image->comps[0].prec - 8; - printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", - image->comps[0].prec); - } else { - adjustR = 0; - } - if (image->comps[1].prec > 8) { - adjustG = image->comps[1].prec - 8; - printf("BMP CONVERSION: Truncating component 1 from %d bits to 8 bits\n", - image->comps[1].prec); - } else { - adjustG = 0; - } - if (image->comps[2].prec > 8) { - adjustB = image->comps[2].prec - 8; - printf("BMP CONVERSION: Truncating component 2 from %d bits to 8 bits\n", - image->comps[2].prec); - } else { - adjustB = 0; - } - - for (i = 0; i < w * h; i++) { - unsigned char rc, gc, bc; - int r, g, b; - - r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2)); - if (r > 255) { - r = 255; - } else if (r < 0) { - r = 0; - } - rc = (unsigned char)r; - - g = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - g = ((g >> adjustG) + ((g >> (adjustG - 1)) % 2)); - if (g > 255) { - g = 255; - } else if (g < 0) { - g = 0; - } - gc = (unsigned char)g; - - b = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - b = ((b >> adjustB) + ((b >> (adjustB - 1)) % 2)); - if (b > 255) { - b = 255; - } else if (b < 0) { - b = 0; - } - bc = (unsigned char)b; - - fprintf(fdest, "%c%c%c", bc, gc, rc); - - if ((i + 1) % w == 0) { - for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) { /* ADD */ - fprintf(fdest, "%c", 0); - } - } - } - fclose(fdest); - } else { /* Gray-scale */ - - /* -->> -->> -->> -->> - 8 bits non code (Gray scale) - <<-- <<-- <<-- <<-- */ - - fdest = fopen(outfile, "wb"); - w = image->comps[0].w; - h = image->comps[0].h; - - fprintf(fdest, "BM"); - - /* FILE HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", - (unsigned char)(h * w + 54 + 1024 + h * (w % 2)) & 0xff, - (unsigned char)((h * w + 54 + 1024 + h * (w % 2)) >> 8) & 0xff, - (unsigned char)((h * w + 54 + 1024 + h * (w % 2)) >> 16) & 0xff, - (unsigned char)((h * w + 54 + 1024 + w * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (54 + 1024) & 0xff, ((54 + 1024) >> 8) & 0xff, - ((54 + 1024) >> 16) & 0xff, - ((54 + 1024) >> 24) & 0xff); - - /* INFO HEADER */ - /* ------------- */ - fprintf(fdest, "%c%c%c%c", (40) & 0xff, ((40) >> 8) & 0xff, ((40) >> 16) & 0xff, - ((40) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)((w) & 0xff), - (unsigned char)((w) >> 8) & 0xff, - (unsigned char)((w) >> 16) & 0xff, - (unsigned char)((w) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)((h) & 0xff), - (unsigned char)((h) >> 8) & 0xff, - (unsigned char)((h) >> 16) & 0xff, - (unsigned char)((h) >> 24) & 0xff); - fprintf(fdest, "%c%c", (1) & 0xff, ((1) >> 8) & 0xff); - fprintf(fdest, "%c%c", (8) & 0xff, ((8) >> 8) & 0xff); - fprintf(fdest, "%c%c%c%c", (0) & 0xff, ((0) >> 8) & 0xff, ((0) >> 16) & 0xff, - ((0) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (unsigned char)(h * w + h * (w % 2)) & 0xff, - (unsigned char)((h * w + h * (w % 2)) >> 8) & 0xff, - (unsigned char)((h * w + h * (w % 2)) >> 16) & 0xff, - (unsigned char)((h * w + h * (w % 2)) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, - ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (7834) & 0xff, ((7834) >> 8) & 0xff, - ((7834) >> 16) & 0xff, ((7834) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, - ((256) >> 16) & 0xff, ((256) >> 24) & 0xff); - fprintf(fdest, "%c%c%c%c", (256) & 0xff, ((256) >> 8) & 0xff, - ((256) >> 16) & 0xff, ((256) >> 24) & 0xff); - - if (image->comps[0].prec > 8) { - adjustR = image->comps[0].prec - 8; - printf("BMP CONVERSION: Truncating component 0 from %d bits to 8 bits\n", - image->comps[0].prec); - } else { - adjustR = 0; - } - - for (i = 0; i < 256; i++) { - fprintf(fdest, "%c%c%c%c", i, i, i, 0); - } - - for (i = 0; i < w * h; i++) { - int r; - - r = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]; - r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - r = ((r >> adjustR) + ((r >> (adjustR - 1)) % 2)); - if (r > 255) { - r = 255; - } else if (r < 0) { - r = 0; - } - - fprintf(fdest, "%c", (unsigned char)r); - - if ((i + 1) % w == 0) { - for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) { /* ADD */ - fprintf(fdest, "%c", 0); - } - } - } - fclose(fdest); - } - - return 0; -} - -/* -->> -->> -->> -->> - -PGX IMAGE FORMAT - -<<-- <<-- <<-- <<-- */ - - -static unsigned char readuchar(FILE * f) -{ - unsigned char c1; - if (!fread(&c1, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - return c1; -} - -static unsigned short readushort(FILE * f, int bigendian) -{ - unsigned char c1, c2; - if (!fread(&c1, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (!fread(&c2, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (bigendian) { - return (c1 << 8) + c2; - } else { - return (c2 << 8) + c1; - } -} - -static unsigned int readuint(FILE * f, int bigendian) -{ - unsigned char c1, c2, c3, c4; - if (!fread(&c1, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (!fread(&c2, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (!fread(&c3, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (!fread(&c4, 1, 1, f)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - return 0; - } - if (bigendian) { - return (c1 << 24) + (c2 << 16) + (c3 << 8) + c4; - } else { - return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1; - } -} - -opj_image_t* pgxtoimage(const char *filename, opj_cparameters_t *parameters) -{ - FILE *f = NULL; - int w, h, prec; - int i, numcomps, max; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm; /* maximum of 1 component */ - opj_image_t * image = NULL; - int adjustS, ushift, dshift, force8; - - char endian1, endian2, sign; - char signtmp[32]; - - char temp[32]; - int bigendian; - opj_image_comp_t *comp = NULL; - - numcomps = 1; - color_space = CLRSPC_GRAY; - - memset(&cmptparm, 0, sizeof(opj_image_cmptparm_t)); - - max = 0; - - f = fopen(filename, "rb"); - if (!f) { - fprintf(stderr, "Failed to open %s for reading !\n", filename); - return NULL; - } - - fseek(f, 0, SEEK_SET); - if (fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d", temp, &endian1, - &endian2, signtmp, &prec, temp, &w, temp, &h) != 9) { - fprintf(stderr, - "ERROR: Failed to read the right number of element from the fscanf() function!\n"); - fclose(f); - return NULL; - } - - i = 0; - sign = '+'; - while (signtmp[i] != '\0') { - if (signtmp[i] == '-') { - sign = '-'; - } - i++; - } - - fgetc(f); - if (endian1 == 'M' && endian2 == 'L') { - bigendian = 1; - } else if (endian2 == 'M' && endian1 == 'L') { - bigendian = 0; - } else { - fprintf(stderr, "Bad pgx header, please check input file\n"); - fclose(f); - return NULL; - } - - /* initialize image component */ - - cmptparm.x0 = parameters->image_offset_x0; - cmptparm.y0 = parameters->image_offset_y0; - cmptparm.w = !cmptparm.x0 ? (w - 1) * parameters->subsampling_dx + 1 : - cmptparm.x0 + (w - 1) * parameters->subsampling_dx + 1; - cmptparm.h = !cmptparm.y0 ? (h - 1) * parameters->subsampling_dy + 1 : - cmptparm.y0 + (h - 1) * parameters->subsampling_dy + 1; - - if (sign == '-') { - cmptparm.sgnd = 1; - } else { - cmptparm.sgnd = 0; - } - if (prec < 8) { - force8 = 1; - ushift = 8 - prec; - dshift = prec - ushift; - if (cmptparm.sgnd) { - adjustS = (1 << (prec - 1)); - } else { - adjustS = 0; - } - cmptparm.sgnd = 0; - prec = 8; - } else { - ushift = dshift = force8 = adjustS = 0; - } - - cmptparm.prec = prec; - cmptparm.bpp = prec; - cmptparm.dx = parameters->subsampling_dx; - cmptparm.dy = parameters->subsampling_dy; - - /* create the image */ - image = opj_image_create(numcomps, &cmptparm, color_space); - if (!image) { - fclose(f); - return NULL; - } - /* set image offset and reference grid */ - image->x0 = cmptparm.x0; - image->y0 = cmptparm.x0; - image->x1 = cmptparm.w; - image->y1 = cmptparm.h; - - /* set image data */ - - comp = &image->comps[0]; - - for (i = 0; i < w * h; i++) { - int v; - if (force8) { - v = readuchar(f) + adjustS; - v = (v << ushift) + (v >> dshift); - comp->data[i] = (unsigned char)v; - - if (v > max) { - max = v; - } - - continue; - } - if (comp->prec == 8) { - if (!comp->sgnd) { - v = readuchar(f); - } else { - v = (char) readuchar(f); - } - } else if (comp->prec <= 16) { - if (!comp->sgnd) { - v = readushort(f, bigendian); - } else { - v = (short) readushort(f, bigendian); - } - } else { - if (!comp->sgnd) { - v = readuint(f, bigendian); - } else { - v = (int) readuint(f, bigendian); - } - } - if (v > max) { - max = v; - } - comp->data[i] = v; - } - fclose(f); - comp->bpp = int_floorlog2(max) + 1; - - return image; -} - -int imagetopgx(opj_image_t * image, const char *outfile) -{ - int w, h; - int i, j, compno; - FILE *fdest = NULL; - - for (compno = 0; compno < image->numcomps; compno++) { - opj_image_comp_t *comp = &image->comps[compno]; - char bname[256]; /* buffer for name */ - char *name = bname; /* pointer */ - int nbytes = 0; - size_t res; - const size_t olen = strlen(outfile); - const size_t dotpos = olen - 4; - const size_t total = dotpos + 1 + 1 + 4; /* '-' + '[1-3]' + '.pgx' */ - if (outfile[dotpos] != '.') { - /* `pgx` was recognized but there is no dot at expected position */ - fprintf(stderr, "ERROR -> Impossible happen."); - return 1; - } - if (total > 256) { - name = (char*)malloc(total + 1); - } - strncpy(name, outfile, dotpos); - /*if (image->numcomps > 1) {*/ - sprintf(name + dotpos, "_%d.pgx", compno); - /*} else { - strcpy(name+dotpos, ".pgx"); - }*/ - fdest = fopen(name, "wb"); - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", name); - return 1; - } - /* don't need name anymore */ - if (total > 256) { - free(name); - } - - w = image->comps[compno].w; - h = image->comps[compno].h; - - fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, w, h); - if (comp->prec <= 8) { - nbytes = 1; - } else if (comp->prec <= 16) { - nbytes = 2; - } else { - nbytes = 4; - } - for (i = 0; i < w * h; i++) { - int v = image->comps[compno].data[i]; - for (j = nbytes - 1; j >= 0; j--) { - char byte = (char)(v >> (j * 8)); - res = fwrite(&byte, 1, 1, fdest); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", name); - fclose(fdest); - return 1; - } - } - } - fclose(fdest); - } - - return 0; -} - -/* -->> -->> -->> -->> - -PNM IMAGE FORMAT - -<<-- <<-- <<-- <<-- */ - -struct pnm_header { - int width, height, maxval, depth, format; - char rgb, rgba, gray, graya, bw; - char ok; -}; - -static char *skip_white(char *s) -{ - while (*s) { - if (*s == '\n' || *s == '\r') { - return NULL; - } - if (isspace(*s)) { - ++s; - continue; - } - return s; - } - return NULL; -} - -static char *skip_int(char *start, int *out_n) -{ - char *s; - char c; - - *out_n = 0; - s = start; - - s = skip_white(start); - if (s == NULL) { - return NULL; - } - start = s; - - while (*s) { - if (!isdigit(*s)) { - break; - } - ++s; - } - c = *s; - *s = 0; - *out_n = atoi(start); - *s = c; - return s; -} - -static char *skip_idf(char *start, char out_idf[256]) -{ - char *s; - char c; - - s = skip_white(start); - if (s == NULL) { - return NULL; - } - start = s; - - while (*s) { - if (isalpha(*s) || *s == '_') { - ++s; - continue; - } - break; - } - c = *s; - *s = 0; - strncpy(out_idf, start, 255); - *s = c; - return s; -} - -static void read_pnm_header(FILE *reader, struct pnm_header *ph) -{ - char *s; - int format, have_wh, end, ttype; - char idf[256], type[256]; - char line[256]; - - if (fgets(line, 250, reader) == NULL) { - fprintf(stderr, "\nWARNING: fgets return a NULL value"); - return; - } - - if (line[0] != 'P') { - fprintf(stderr, "read_pnm_header:PNM:magic P missing\n"); - return; - } - format = atoi(line + 1); - if (format < 1 || format > 7) { - fprintf(stderr, "read_pnm_header:magic format %d invalid\n", format); - return; - } - ph->format = format; - ttype = end = have_wh = 0; - - while (fgets(line, 250, reader)) { - if (*line == '#') { - continue; - } - - s = line; - - if (format == 7) { - s = skip_idf(s, idf); - - if (s == NULL || *s == 0) { - return; - } - - if (strcmp(idf, "ENDHDR") == 0) { - end = 1; - break; - } - if (strcmp(idf, "WIDTH") == 0) { - s = skip_int(s, &ph->width); - if (s == NULL || *s == 0) { - return; - } - - continue; - } - if (strcmp(idf, "HEIGHT") == 0) { - s = skip_int(s, &ph->height); - if (s == NULL || *s == 0) { - return; - } - - continue; - } - if (strcmp(idf, "DEPTH") == 0) { - s = skip_int(s, &ph->depth); - if (s == NULL || *s == 0) { - return; - } - - continue; - } - if (strcmp(idf, "MAXVAL") == 0) { - s = skip_int(s, &ph->maxval); - if (s == NULL || *s == 0) { - return; - } - - continue; - } - if (strcmp(idf, "TUPLTYPE") == 0) { - s = skip_idf(s, type); - if (s == NULL || *s == 0) { - return; - } - - if (strcmp(type, "BLACKANDWHITE") == 0) { - ph->bw = 1; - ttype = 1; - continue; - } - if (strcmp(type, "GRAYSCALE") == 0) { - ph->gray = 1; - ttype = 1; - continue; - } - if (strcmp(type, "GRAYSCALE_ALPHA") == 0) { - ph->graya = 1; - ttype = 1; - continue; - } - if (strcmp(type, "RGB") == 0) { - ph->rgb = 1; - ttype = 1; - continue; - } - if (strcmp(type, "RGB_ALPHA") == 0) { - ph->rgba = 1; - ttype = 1; - continue; - } - fprintf(stderr, "read_pnm_header:unknown P7 TUPLTYPE %s\n", type); - return; - } - fprintf(stderr, "read_pnm_header:unknown P7 idf %s\n", idf); - return; - } /* if(format == 7) */ - - if (!have_wh) { - s = skip_int(s, &ph->width); - - s = skip_int(s, &ph->height); - - have_wh = 1; - - if (format == 1 || format == 4) { - break; - } - - continue; - } - if (format == 2 || format == 3 || format == 5 || format == 6) { - /* P2, P3, P5, P6: */ - s = skip_int(s, &ph->maxval); - - if (ph->maxval > 65535) { - return; - } - } - break; - }/* while(fgets( ) */ - if (format == 2 || format == 3 || format > 4) { - if (ph->maxval < 1 || ph->maxval > 65535) { - return; - } - } - if (ph->width < 1 || ph->height < 1) { - return; - } - - if (format == 7) { - if (!end) { - fprintf(stderr, "read_pnm_header:P7 without ENDHDR\n"); - return; - } - if (ph->depth < 1 || ph->depth > 4) { - return; - } - - if (ph->width && ph->height && ph->depth & ph->maxval && ttype) { - ph->ok = 1; - } - } else { - if (format != 1 && format != 4) { - if (ph->width && ph->height && ph->maxval) { - ph->ok = 1; - } - } else { - if (ph->width && ph->height) { - ph->ok = 1; - } - ph->maxval = 255; - } - } -} - -static int has_prec(int val) -{ - if (val < 2) { - return 1; - } - if (val < 4) { - return 2; - } - if (val < 8) { - return 3; - } - if (val < 16) { - return 4; - } - if (val < 32) { - return 5; - } - if (val < 64) { - return 6; - } - if (val < 128) { - return 7; - } - if (val < 256) { - return 8; - } - if (val < 512) { - return 9; - } - if (val < 1024) { - return 10; - } - if (val < 2048) { - return 11; - } - if (val < 4096) { - return 12; - } - if (val < 8192) { - return 13; - } - if (val < 16384) { - return 14; - } - if (val < 32768) { - return 15; - } - return 16; -} - -opj_image_t* pnmtoimage(const char *filename, opj_cparameters_t *parameters) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - - FILE *fp = NULL; - int i, compno, numcomps, w, h, prec, format; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm[4]; /* RGBA: max. 4 components */ - opj_image_t * image = NULL; - struct pnm_header header_info; - - if ((fp = fopen(filename, "rb")) == NULL) { - fprintf(stderr, "pnmtoimage:Failed to open %s for reading!\n", filename); - return NULL; - } - memset(&header_info, 0, sizeof(struct pnm_header)); - - read_pnm_header(fp, &header_info); - - if (!header_info.ok) { - fclose(fp); - return NULL; - } - - format = header_info.format; - - switch (format) { - case 1: /* ascii bitmap */ - case 4: /* raw bitmap */ - numcomps = 1; - break; - - case 2: /* ascii greymap */ - case 5: /* raw greymap */ - numcomps = 1; - break; - - case 3: /* ascii pixmap */ - case 6: /* raw pixmap */ - numcomps = 3; - break; - - case 7: /* arbitrary map */ - numcomps = header_info.depth; - break; - - default: - fclose(fp); - return NULL; - } - if (numcomps < 3) { - color_space = CLRSPC_GRAY; /* GRAY, GRAYA */ - } else { - color_space = CLRSPC_SRGB; /* RGB, RGBA */ - } - - prec = has_prec(header_info.maxval); - - if (prec < 8) { - prec = 8; - } - - w = header_info.width; - h = header_info.height; - subsampling_dx = parameters->subsampling_dx; - subsampling_dy = parameters->subsampling_dy; - - memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t)); - - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = prec; - cmptparm[i].bpp = prec; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - image = opj_image_create(numcomps, &cmptparm[0], color_space); - - if (!image) { - fclose(fp); - return NULL; - } - - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1; - image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1; - - if ((format == 2) || (format == 3)) { /* ascii pixmap */ - unsigned int index; - - for (i = 0; i < w * h; i++) { - for (compno = 0; compno < numcomps; compno++) { - index = 0; - if (fscanf(fp, "%u", &index) != 1) { - fprintf(stderr, - "\nWARNING: fscanf return a number of element different from the expected.\n"); - } - - image->comps[compno].data[i] = (index * 255) / header_info.maxval; - } - } - } else if ((format == 5) - || (format == 6) - || ((format == 7) - && (header_info.gray || header_info.graya - || header_info.rgb || header_info.rgba))) { /* binary pixmap */ - unsigned char c0, c1, one; - - one = (prec < 9); - - for (i = 0; i < w * h; i++) { - for (compno = 0; compno < numcomps; compno++) { - if (!fread(&c0, 1, 1, fp)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - } - if (one) { - image->comps[compno].data[i] = c0; - } else { - if (!fread(&c1, 1, 1, fp)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - } - /* netpbm: */ - image->comps[compno].data[i] = ((c0 << 8) | c1); - } - } - } - } else if (format == 1) { /* ascii bitmap */ - for (i = 0; i < w * h; i++) { - unsigned int index; - - if (fscanf(fp, "%u", &index) != 1) { - fprintf(stderr, - "\nWARNING: fscanf return a number of element different from the expected.\n"); - } - - image->comps[0].data[i] = (index ? 0 : 255); - } - } else if (format == 4) { - int x, y, bit; - unsigned char uc; - - i = 0; - for (y = 0; y < h; ++y) { - bit = -1; - uc = 0; - - for (x = 0; x < w; ++x) { - if (bit == -1) { - bit = 7; - uc = (unsigned char)getc(fp); - } - image->comps[0].data[i] = (((uc >> bit) & 1) ? 0 : 255); - --bit; - ++i; - } - } - } else if ((format == 7 && header_info.bw)) { /*MONO*/ - unsigned char uc; - - for (i = 0; i < w * h; ++i) { - if (!fread(&uc, 1, 1, fp)) { - fprintf(stderr, - "\nError: fread return a number of element different from the expected.\n"); - } - image->comps[0].data[i] = (uc & 1) ? 0 : 255; - } - } - fclose(fp); - - return image; -}/* pnmtoimage() */ - -int imagetopnm(opj_image_t * image, const char *outfile) -{ - int *red, *green, *blue, *alpha; - int wr, hr, max; - int i, compno, ncomp; - int adjustR, adjustG, adjustB, adjustA; - int fails, two, want_gray, has_alpha, triple; - int prec, v; - FILE *fdest = NULL; - const char *tmp = outfile; - char *destname; - alpha = NULL; - if ((prec = image->comps[0].prec) > 16) { - fprintf(stderr, "%s:%d:imagetopnm\n\tprecision %d is larger than 16" - "\n\t: refused.\n", __FILE__, __LINE__, prec); - return 1; - } - two = has_alpha = 0; - fails = 1; - ncomp = image->numcomps; - - while (*tmp) { - ++tmp; - } - tmp -= 2; - want_gray = (*tmp == 'g' || *tmp == 'G'); - ncomp = image->numcomps; - - if (want_gray) { - ncomp = 1; - } - - if (ncomp == 2 /* GRAYA */ - || (ncomp > 2 /* RGB, RGBA */ - && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec - )) { - fdest = fopen(outfile, "wb"); - - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile); - return fails; - } - two = (prec > 8); - triple = (ncomp > 2); - wr = image->comps[0].w; - hr = image->comps[0].h; - max = (1 << prec) - 1; - has_alpha = (ncomp == 4 || ncomp == 2); - - red = image->comps[0].data; - - if (triple) { - green = image->comps[1].data; - blue = image->comps[2].data; - } else { - green = blue = NULL; - } - - if (has_alpha) { - const char *tt = (triple ? "RGB_ALPHA" : "GRAYSCALE_ALPHA"); - - fprintf(fdest, "P7\n# OpenJPEG-%s\nWIDTH %d\nHEIGHT %d\nDEPTH %d\n" - "MAXVAL %d\nTUPLTYPE %s\nENDHDR\n", opj_version(), - wr, hr, ncomp, max, tt); - alpha = image->comps[ncomp - 1].data; - adjustA = (image->comps[ncomp - 1].sgnd ? - 1 << (image->comps[ncomp - 1].prec - 1) : 0); - } else { - fprintf(fdest, "P6\n# OpenJPEG-%s\n%d %d\n%d\n", - opj_version(), wr, hr, max); - adjustA = 0; - } - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - - if (triple) { - adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - } else { - adjustG = adjustB = 0; - } - - for (i = 0; i < wr * hr; ++i) { - if (two) { - v = *red + adjustR; - ++red; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - - if (triple) { - v = *green + adjustG; - ++green; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - - v = *blue + adjustB; - ++blue; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - - }/* if(triple) */ - - if (has_alpha) { - v = *alpha + adjustA; - ++alpha; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - } - continue; - - } /* if(two) */ - - /* prec <= 8: */ - - fprintf(fdest, "%c", (unsigned char)*red++); - if (triple) { - fprintf(fdest, "%c%c", (unsigned char)*green++, (unsigned char)*blue++); - } - - if (has_alpha) { - fprintf(fdest, "%c", (unsigned char)*alpha++); - } - - } /* for(i */ - - fclose(fdest); - return 0; - } - - /* YUV or MONO: */ - - if (image->numcomps > ncomp) { - fprintf(stderr, "WARNING -> [PGM file] Only the first component\n"); - fprintf(stderr, " is written to the file\n"); - } - destname = (char*)malloc(strlen(outfile) + 8); - - for (compno = 0; compno < ncomp; compno++) { - if (ncomp > 1) { - sprintf(destname, "%d.%s", compno, outfile); - } else { - sprintf(destname, "%s", outfile); - } - - fdest = fopen(destname, "wb"); - if (!fdest) { - fprintf(stderr, "ERROR -> failed to open %s for writing\n", destname); - free(destname); - return 1; - } - wr = image->comps[compno].w; - hr = image->comps[compno].h; - prec = image->comps[compno].prec; - max = (1 << prec) - 1; - - fprintf(fdest, "P5\n#OpenJPEG-%s\n%d %d\n%d\n", - opj_version(), wr, hr, max); - - red = image->comps[compno].data; - adjustR = - (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0); - - if (prec > 8) { - for (i = 0; i < wr * hr; i++) { - v = *red + adjustR; - ++red; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - - if (has_alpha) { - v = *alpha++; - /* netpbm: */ - fprintf(fdest, "%c%c", (unsigned char)(v >> 8), (unsigned char)v); - } - }/* for(i */ - } else { /* prec <= 8 */ - for (i = 0; i < wr * hr; ++i) { - fprintf(fdest, "%c", (unsigned char)(*red + adjustR)); - ++red; - } - } - fclose(fdest); - } /* for (compno */ - free(destname); - - return 0; -}/* imagetopnm() */ - -#ifdef OPJ_HAVE_LIBTIFF -/* -->> -->> -->> -->> - - TIFF IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -int imagetotif(opj_image_t * image, const char *outfile) -{ - int width, height, imgsize; - int bps, index, adjust, sgnd; - int ushift, dshift, has_alpha, force16; - TIFF *tif; - tdata_t buf; - tstrip_t strip; - tsize_t strip_size; - - ushift = dshift = force16 = has_alpha = 0; - bps = image->comps[0].prec; - - if (bps > 8 && bps < 16) { - ushift = 16 - bps; - dshift = bps - ushift; - bps = 16; - force16 = 1; - } - - if (bps != 8 && bps != 16) { - fprintf(stderr, "imagetotif: Bits=%d, Only 8 and 16 bits implemented\n", - bps); - fprintf(stderr, "\tAborting\n"); - return 1; - } - tif = TIFFOpen(outfile, "wb"); - - if (!tif) { - fprintf(stderr, "imagetotif:failed to open %s for writing\n", outfile); - return 1; - } - sgnd = image->comps[0].sgnd; - adjust = sgnd ? 1 << (image->comps[0].prec - 1) : 0; - - if (image->numcomps >= 3 - && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec) { - has_alpha = (image->numcomps == 4); - - width = image->comps[0].w; - height = image->comps[0].h; - imgsize = width * height ; - - TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width); - TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height); - TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3 + has_alpha); - TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps); - TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_RGB); - TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1); - strip_size = TIFFStripSize(tif); - buf = _TIFFmalloc(strip_size); - index = 0; - - for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) { - unsigned char *dat8; - tsize_t i, ssize, last_i = 0; - int step, restx; - ssize = TIFFStripSize(tif); - dat8 = (unsigned char*)buf; - - if (bps == 8) { - step = 3 + has_alpha; - restx = step - 1; - - for (i = 0; i < ssize - restx; i += step) { - int r, g, b, a = 0; - - if (index < imgsize) { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if (has_alpha) { - a = image->comps[3].data[index]; - } - - if (sgnd) { - r += adjust; - g += adjust; - b += adjust; - if (has_alpha) { - a += adjust; - } - } - dat8[i + 0] = r ; - dat8[i + 1] = g ; - dat8[i + 2] = b ; - if (has_alpha) { - dat8[i + 3] = a; - } - - index++; - last_i = i + step; - } else { - break; - } - }/*for(i = 0;)*/ - - if (last_i < ssize) { - for (i = last_i; i < ssize; i += step) { - int r, g, b, a = 0; - - if (index < imgsize) { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if (has_alpha) { - a = image->comps[3].data[index]; - } - - if (sgnd) { - r += adjust; - g += adjust; - b += adjust; - if (has_alpha) { - a += adjust; - } - } - dat8[i + 0] = r ; - if (i + 1 < ssize) { - dat8[i + 1] = g ; - } else { - break; - } - if (i + 2 < ssize) { - dat8[i + 2] = b ; - } else { - break; - } - if (has_alpha) { - if (i + 3 < ssize) { - dat8[i + 3] = a ; - } else { - break; - } - } - index++; - } else { - break; - } - }/*for(i)*/ - }/*if(last_i < ssize)*/ - - } /*if(bps == 8)*/ - else if (bps == 16) { - step = 6 + has_alpha + has_alpha; - restx = step - 1; - - for (i = 0; i < ssize - restx ; i += step) { - int r, g, b, a = 0; - - if (index < imgsize) { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if (has_alpha) { - a = image->comps[3].data[index]; - } - - if (sgnd) { - r += adjust; - g += adjust; - b += adjust; - if (has_alpha) { - a += adjust; - } - } - if (force16) { - r = (r << ushift) + (r >> dshift); - g = (g << ushift) + (g >> dshift); - b = (b << ushift) + (b >> dshift); - if (has_alpha) { - a = (a << ushift) + (a >> dshift); - } - } - dat8[i + 0] = r; /*LSB*/ - dat8[i + 1] = (r >> 8); /*MSB*/ - dat8[i + 2] = g; - dat8[i + 3] = (g >> 8); - dat8[i + 4] = b; - dat8[i + 5] = (b >> 8); - if (has_alpha) { - dat8[i + 6] = a; - dat8[i + 7] = (a >> 8); - } - index++; - last_i = i + step; - } else { - break; - } - }/*for(i = 0;)*/ - - if (last_i < ssize) { - for (i = last_i ; i < ssize ; i += step) { - int r, g, b, a = 0; - - if (index < imgsize) { - r = image->comps[0].data[index]; - g = image->comps[1].data[index]; - b = image->comps[2].data[index]; - if (has_alpha) { - a = image->comps[3].data[index]; - } - - if (sgnd) { - r += adjust; - g += adjust; - b += adjust; - if (has_alpha) { - a += adjust; - } - } - if (force16) { - r = (r << ushift) + (r >> dshift); - g = (g << ushift) + (g >> dshift); - b = (b << ushift) + (b >> dshift); - if (has_alpha) { - a = (a << ushift) + (a >> dshift); - } - } - dat8[i + 0] = r; /*LSB*/ - if (i + 1 < ssize) { - dat8[i + 1] = (r >> 8); - } else { - break; /*MSB*/ - } - if (i + 2 < ssize) { - dat8[i + 2] = g; - } else { - break; - } - if (i + 3 < ssize) { - dat8[i + 3] = (g >> 8); - } else { - break; - } - if (i + 4 < ssize) { - dat8[i + 4] = b; - } else { - break; - } - if (i + 5 < ssize) { - dat8[i + 5] = (b >> 8); - } else { - break; - } - - if (has_alpha) { - if (i + 6 < ssize) { - dat8[i + 6] = a; - } else { - break; - } - if (i + 7 < ssize) { - dat8[i + 7] = (a >> 8); - } else { - break; - } - } - index++; - } else { - break; - } - }/*for(i)*/ - }/*if(last_i < ssize)*/ - - }/*if(bps == 16)*/ - (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size); - }/*for(strip = 0; )*/ - - _TIFFfree((void*)buf); - TIFFClose(tif); - - return 0; - }/*RGB(A)*/ - - if (image->numcomps == 1 /* GRAY */ - || (image->numcomps == 2 /* GRAY_ALPHA */ - && image->comps[0].dx == image->comps[1].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[0].prec == image->comps[1].prec)) { - int step; - - has_alpha = (image->numcomps == 2); - - width = image->comps[0].w; - height = image->comps[0].h; - imgsize = width * height; - - /* Set tags */ - TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width); - TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height); - TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1 + has_alpha); - TIFFSetField(tif, TIFFTAG_BITSPERSAMPLE, bps); - TIFFSetField(tif, TIFFTAG_ORIENTATION, ORIENTATION_TOPLEFT); - TIFFSetField(tif, TIFFTAG_PLANARCONFIG, PLANARCONFIG_CONTIG); - TIFFSetField(tif, TIFFTAG_PHOTOMETRIC, PHOTOMETRIC_MINISBLACK); - TIFFSetField(tif, TIFFTAG_ROWSPERSTRIP, 1); - - /* Get a buffer for the data */ - strip_size = TIFFStripSize(tif); - buf = _TIFFmalloc(strip_size); - index = 0; - - for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) { - unsigned char *dat8; - tsize_t i, ssize = TIFFStripSize(tif); - dat8 = (unsigned char*)buf; - - if (bps == 8) { - step = 1 + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - int r, a = 0; - - r = image->comps[0].data[index]; - if (has_alpha) { - a = image->comps[1].data[index]; - } - - if (sgnd) { - r += adjust; - if (has_alpha) { - a += adjust; - } - } - dat8[i + 0] = r; - if (has_alpha) { - dat8[i + 1] = a; - } - index++; - } else { - break; - } - }/*for(i )*/ - }/*if(bps == 8*/ - else if (bps == 16) { - step = 2 + has_alpha + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - int r, a = 0; - - r = image->comps[0].data[index]; - if (has_alpha) { - a = image->comps[1].data[index]; - } - - if (sgnd) { - r += adjust; - if (has_alpha) { - a += adjust; - } - } - if (force16) { - r = (r << ushift) + (r >> dshift); - if (has_alpha) { - a = (a << ushift) + (a >> dshift); - } - } - dat8[i + 0] = r; /*LSB*/ - dat8[i + 1] = r >> 8; /*MSB*/ - if (has_alpha) { - dat8[i + 2] = a; - dat8[i + 3] = a >> 8; - } - index++; - }/*if(index < imgsize)*/ - else { - break; - } - }/*for(i )*/ - } - (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size); - }/*for(strip*/ - - _TIFFfree(buf); - TIFFClose(tif); - - return 0; - } - - TIFFClose(tif); - - fprintf(stderr, "imagetotif: Bad color format.\n" - "\tOnly RGB(A) and GRAY(A) has been implemented\n"); - fprintf(stderr, "\tFOUND: numcomps(%d)\n\tAborting\n", - image->numcomps); - - return 1; -}/* imagetotif() */ - -/* - * libtiff/tif_getimage.c : 1,2,4,8,16 bitspersample accepted - * CINEMA : 12 bit precision -*/ -opj_image_t* tiftoimage(const char *filename, opj_cparameters_t *parameters) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - TIFF *tif; - tdata_t buf; - tstrip_t strip; - tsize_t strip_size; - int j, numcomps, w, h, index; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t cmptparm[4]; /* RGBA */ - opj_image_t *image = NULL; - int imgsize = 0; - int has_alpha = 0; - unsigned short tiBps, tiPhoto, tiSf, tiSpp, tiPC; - unsigned int tiWidth, tiHeight; - - tif = TIFFOpen(filename, "r"); - - if (!tif) { - fprintf(stderr, "tiftoimage:Failed to open %s for reading\n", filename); - return 0; - } - tiBps = tiPhoto = tiSf = tiSpp = tiPC = 0; - tiWidth = tiHeight = 0; - - TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &tiWidth); - TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &tiHeight); - TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &tiBps); - TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &tiSf); - TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &tiSpp); - TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &tiPhoto); - TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &tiPC); - w = tiWidth; - h = tiHeight; - - { - unsigned short b = tiBps, p = tiPhoto; - - if (tiBps != 8 && tiBps != 16 && tiBps != 12) { - b = 0; - } - if (tiPhoto != 1 && tiPhoto != 2) { - p = 0; - } - - if (!b || !p) { - if (!b) - fprintf(stderr, "imagetotif: Bits=%d, Only 8 and 16 bits" - " implemented\n", tiBps); - else if (!p) - fprintf(stderr, "tiftoimage: Bad color format %d.\n\tOnly RGB(A)" - " and GRAY(A) has been implemented\n", (int) tiPhoto); - - fprintf(stderr, "\tAborting\n"); - TIFFClose(tif); - - return NULL; - } - } - {/* From: tiff-4.0.x/libtiff/tif_getimage.c : */ - uint16* sampleinfo; - uint16 extrasamples; - - TIFFGetFieldDefaulted(tif, TIFFTAG_EXTRASAMPLES, - &extrasamples, &sampleinfo); - - if (extrasamples >= 1) { - switch (sampleinfo[0]) { - case EXTRASAMPLE_UNSPECIFIED: - /* Workaround for some images without correct info about alpha channel - */ - if (tiSpp > 3) { - has_alpha = 1; - } - break; - - case EXTRASAMPLE_ASSOCALPHA: /* data pre-multiplied */ - case EXTRASAMPLE_UNASSALPHA: /* data not pre-multiplied */ - has_alpha = 1; - break; - } - } else /* extrasamples == 0 */ - if (tiSpp == 4 || tiSpp == 2) { - has_alpha = 1; - } - } - - /* initialize image components - */ - memset(&cmptparm[0], 0, 4 * sizeof(opj_image_cmptparm_t)); - - if (tiPhoto == PHOTOMETRIC_RGB) { /* RGB(A) */ - numcomps = 3 + has_alpha; - color_space = CLRSPC_SRGB; - - for (j = 0; j < numcomps; j++) { - if (parameters->cp_cinema) { - cmptparm[j].prec = 12; - cmptparm[j].bpp = 12; - } else { - cmptparm[j].prec = tiBps; - cmptparm[j].bpp = tiBps; - } - cmptparm[j].dx = subsampling_dx; - cmptparm[j].dy = subsampling_dy; - cmptparm[j].w = w; - cmptparm[j].h = h; - } - - image = opj_image_create(numcomps, &cmptparm[0], color_space); - - if (!image) { - TIFFClose(tif); - return NULL; - } - /* set image offset and reference grid - */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : - image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : - image->y0 + (h - 1) * subsampling_dy + 1; - - buf = _TIFFmalloc(TIFFStripSize(tif)); - - strip_size = TIFFStripSize(tif); - index = 0; - imgsize = image->comps[0].w * image->comps[0].h ; - /* Read the Image components - */ - for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) { - unsigned char *dat8; - int step; - tsize_t i, ssize; - ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); - dat8 = (unsigned char*)buf; - - if (tiBps == 16) { - step = 6 + has_alpha + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - image->comps[0].data[index] = (dat8[i + 1] << 8) | dat8[i + 0]; /* R */ - image->comps[1].data[index] = (dat8[i + 3] << 8) | dat8[i + 2]; /* G */ - image->comps[2].data[index] = (dat8[i + 5] << 8) | dat8[i + 4]; /* B */ - if (has_alpha) { - image->comps[3].data[index] = (dat8[i + 7] << 8) | dat8[i + 6]; - } - - if (parameters->cp_cinema) { - /* Rounding 16 to 12 bits - */ - image->comps[0].data[index] = - (image->comps[0].data[index] + 0x08) >> 4 ; - image->comps[1].data[index] = - (image->comps[1].data[index] + 0x08) >> 4 ; - image->comps[2].data[index] = - (image->comps[2].data[index] + 0x08) >> 4 ; - if (has_alpha) - image->comps[3].data[index] = - (image->comps[3].data[index] + 0x08) >> 4 ; - } - index++; - } else { - break; - } - }/*for(i = 0)*/ - }/*if(tiBps == 16)*/ - else if (tiBps == 8) { - step = 3 + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - image->comps[0].data[index] = dat8[i + 0]; /* R */ - image->comps[1].data[index] = dat8[i + 1]; /* G */ - image->comps[2].data[index] = dat8[i + 2]; /* B */ - if (has_alpha) { - image->comps[3].data[index] = dat8[i + 3]; - } - - if (parameters->cp_cinema) { - /* Rounding 8 to 12 bits - */ - image->comps[0].data[index] = image->comps[0].data[index] << 4 ; - image->comps[1].data[index] = image->comps[1].data[index] << 4 ; - image->comps[2].data[index] = image->comps[2].data[index] << 4 ; - if (has_alpha) { - image->comps[3].data[index] = image->comps[3].data[index] << 4 ; - } - } - index++; - }/*if(index*/ - else { - break; - } - }/*for(i )*/ - }/*if( tiBps == 8)*/ - else if (tiBps == 12) { /* CINEMA file */ - step = 9; - - for (i = 0; i < ssize; i += step) { - if ((index < imgsize) & (index + 1 < imgsize)) { - image->comps[0].data[index] = (dat8[i + 0] << 4) | (dat8[i + 1] >> 4); - image->comps[1].data[index] = ((dat8[i + 1] & 0x0f) << 8) | dat8[i + 2]; - - image->comps[2].data[index] = (dat8[i + 3] << 4) | (dat8[i + 4] >> 4); - image->comps[0].data[index + 1] = ((dat8[i + 4] & 0x0f) << 8) | dat8[i + 5]; - - image->comps[1].data[index + 1] = (dat8[i + 6] << 4) | - (dat8[i + 7] >> 4); - image->comps[2].data[index + 1] = ((dat8[i + 7] & 0x0f) << 8) | dat8[i + 8]; - - index += 2; - } else { - break; - } - }/*for(i )*/ - } - }/*for(strip = 0; )*/ - - _TIFFfree(buf); - TIFFClose(tif); - - return image; - }/*RGB(A)*/ - - if (tiPhoto == PHOTOMETRIC_MINISBLACK) { /* GRAY(A) */ - numcomps = 1 + has_alpha; - color_space = CLRSPC_GRAY; - - for (j = 0; j < numcomps; ++j) { - cmptparm[j].prec = tiBps; - cmptparm[j].bpp = tiBps; - cmptparm[j].dx = subsampling_dx; - cmptparm[j].dy = subsampling_dy; - cmptparm[j].w = w; - cmptparm[j].h = h; - } - image = opj_image_create(numcomps, &cmptparm[0], color_space); - - if (!image) { - TIFFClose(tif); - return NULL; - } - /* set image offset and reference grid - */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = !image->x0 ? (w - 1) * subsampling_dx + 1 : - image->x0 + (w - 1) * subsampling_dx + 1; - image->y1 = !image->y0 ? (h - 1) * subsampling_dy + 1 : - image->y0 + (h - 1) * subsampling_dy + 1; - - buf = _TIFFmalloc(TIFFStripSize(tif)); - - strip_size = TIFFStripSize(tif); - index = 0; - imgsize = image->comps[0].w * image->comps[0].h ; - /* Read the Image components - */ - for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) { - unsigned char *dat8; - tsize_t i, ssize; - int step; - - ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size); - dat8 = (unsigned char*)buf; - - if (tiBps == 16) { - step = 2 + has_alpha + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - image->comps[0].data[index] = (dat8[i + 1] << 8) | dat8[i + 0]; - if (has_alpha) { - image->comps[1].data[index] = (dat8[i + 3] << 8) | dat8[i + 2]; - } - index++; - } else { - break; - } - }/*for(i )*/ - } else if (tiBps == 8) { - step = 1 + has_alpha; - - for (i = 0; i < ssize; i += step) { - if (index < imgsize) { - image->comps[0].data[index] = dat8[i + 0]; - if (has_alpha) { - image->comps[1].data[index] = dat8[i + 1]; - } - index++; - } else { - break; - } - }/*for(i )*/ - } - }/*for(strip = 0;*/ - - _TIFFfree(buf); - TIFFClose(tif); - - }/*GRAY(A)*/ - - return image; - -}/* tiftoimage() */ - -#endif /* OPJ_HAVE_LIBTIFF */ - -/* -->> -->> -->> -->> - - RAW IMAGE FORMAT - - <<-- <<-- <<-- <<-- */ - -opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, - raw_cparameters_t *raw_cp) -{ - int subsampling_dx = parameters->subsampling_dx; - int subsampling_dy = parameters->subsampling_dy; - - FILE *f = NULL; - int i, compno, numcomps, w, h; - OPJ_COLOR_SPACE color_space; - opj_image_cmptparm_t *cmptparm; - opj_image_t * image = NULL; - unsigned short ch; - - if ((!(raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & - raw_cp->rawBitDepth)) == 0) { - fprintf(stderr, "\nError: invalid raw image parameters\n"); - fprintf(stderr, "Please use the Format option -F:\n"); - fprintf(stderr, - "-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n"); - fprintf(stderr, "Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n"); - fprintf(stderr, "Aborting\n"); - return NULL; - } - - f = fopen(filename, "rb"); - if (!f) { - fprintf(stderr, "Failed to open %s for reading !!\n", filename); - fprintf(stderr, "Aborting\n"); - return NULL; - } - numcomps = raw_cp->rawComp; - color_space = CLRSPC_SRGB; - w = raw_cp->rawWidth; - h = raw_cp->rawHeight; - cmptparm = (opj_image_cmptparm_t*) malloc(numcomps * sizeof( - opj_image_cmptparm_t)); - - /* initialize image components */ - memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t)); - for (i = 0; i < numcomps; i++) { - cmptparm[i].prec = raw_cp->rawBitDepth; - cmptparm[i].bpp = raw_cp->rawBitDepth; - cmptparm[i].sgnd = raw_cp->rawSigned; - cmptparm[i].dx = subsampling_dx; - cmptparm[i].dy = subsampling_dy; - cmptparm[i].w = w; - cmptparm[i].h = h; - } - /* create the image */ - image = opj_image_create(numcomps, &cmptparm[0], color_space); - if (!image) { - fclose(f); - return NULL; - } - /* set image offset and reference grid */ - image->x0 = parameters->image_offset_x0; - image->y0 = parameters->image_offset_y0; - image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1; - image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1; - - if (raw_cp->rawBitDepth <= 8) { - unsigned char value = 0; - for (compno = 0; compno < numcomps; compno++) { - for (i = 0; i < w * h; i++) { - if (!fread(&value, 1, 1, f)) { - fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); - 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++) { - for (i = 0; i < w * h; i++) { - unsigned char temp; - if (!fread(&temp, 1, 1, f)) { - fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); - fclose(f); - return NULL; - } - value = temp << 8; - if (!fread(&temp, 1, 1, f)) { - fprintf(stderr, "Error reading raw file. End of file probably reached.\n"); - fclose(f); - return NULL; - } - value += temp; - 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"); - 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; -} - -int imagetoraw(opj_image_t * image, const char *outfile) -{ - FILE *rawFile = NULL; - size_t res; - int compno; - int w, h; - int line, row; - int *ptr; - - if ((image->numcomps * image->x1 * image->y1) == 0) { - fprintf(stderr, "\nError: invalid raw image parameters\n"); - return 1; - } - - rawFile = fopen(outfile, "wb"); - if (!rawFile) { - fprintf(stderr, "Failed to open %s for writing !!\n", outfile); - return 1; - } - - fprintf(stdout, "Raw image characteristics: %d components\n", image->numcomps); - - for (compno = 0; compno < image->numcomps; compno++) { - fprintf(stdout, "Component %d characteristics: %dx%dx%d %s\n", compno, - image->comps[compno].w, - image->comps[compno].h, image->comps[compno].prec, - image->comps[compno].sgnd == 1 ? "signed" : "unsigned"); - - w = image->comps[compno].w; - h = image->comps[compno].h; - - if (image->comps[compno].prec <= 8) { - if (image->comps[compno].sgnd == 1) { - signed char curr; - int mask = (1 << image->comps[compno].prec) - 1; - ptr = image->comps[compno].data; - for (line = 0; line < h; line++) { - for (row = 0; row < w; row++) { - curr = (signed char)(*ptr & mask); - res = fwrite(&curr, sizeof(signed char), 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - ptr++; - } - } - } else if (image->comps[compno].sgnd == 0) { - unsigned char curr; - int mask = (1 << image->comps[compno].prec) - 1; - ptr = image->comps[compno].data; - for (line = 0; line < h; line++) { - for (row = 0; row < w; row++) { - curr = (unsigned char)(*ptr & mask); - res = fwrite(&curr, sizeof(unsigned char), 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - ptr++; - } - } - } - } else if (image->comps[compno].prec <= 16) { - if (image->comps[compno].sgnd == 1) { - signed short int curr; - int mask = (1 << image->comps[compno].prec) - 1; - ptr = image->comps[compno].data; - for (line = 0; line < h; line++) { - for (row = 0; row < w; row++) { - unsigned char temp; - curr = (signed short int)(*ptr & mask); - temp = (unsigned char)(curr >> 8); - res = fwrite(&temp, 1, 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - temp = (unsigned char) curr; - res = fwrite(&temp, 1, 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - ptr++; - } - } - } else if (image->comps[compno].sgnd == 0) { - unsigned short int curr; - int mask = (1 << image->comps[compno].prec) - 1; - ptr = image->comps[compno].data; - for (line = 0; line < h; line++) { - for (row = 0; row < w; row++) { - unsigned char temp; - curr = (unsigned short int)(*ptr & mask); - temp = (unsigned char)(curr >> 8); - res = fwrite(&temp, 1, 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - temp = (unsigned char) curr; - res = fwrite(&temp, 1, 1, rawFile); - if (res < 1) { - fprintf(stderr, "failed to write 1 byte for %s\n", outfile); - return 1; - } - ptr++; - } - } - } - } else if (image->comps[compno].prec <= 32) { - fprintf(stderr, "More than 16 bits per component no handled yet\n"); - return 1; - } else { - fprintf(stderr, "Error: invalid precision: %d\n", image->comps[compno].prec); - return 1; - } - } - fclose(rawFile); - return 0; -} - -#ifdef OPJ_HAVE_LIBPNG - -#define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a" -#define MAGIC_SIZE 8 -/* PNG allows bits per sample: 1, 2, 4, 8, 16 */ - -opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params) -{ - png_structp png; - png_infop info; - double gamma, display_exponent; - int bit_depth, interlace_type, compression_type, filter_type; - int unit; - png_uint_32 resx, resy; - unsigned int i, j; - png_uint_32 width, height; - int color_type, has_alpha, is16; - unsigned char *s; - FILE *reader; - unsigned char **rows; - /* j2k: */ - opj_image_t *image; - opj_image_cmptparm_t cmptparm[4]; - int sub_dx, sub_dy; - unsigned int nr_comp; - int *r, *g, *b, *a; - unsigned char sigbuf[8]; - - if ((reader = fopen(read_idf, "rb")) == NULL) { - fprintf(stderr, "pngtoimage: can not open %s\n", read_idf); - return NULL; - } - image = NULL; - png = NULL; - rows = NULL; - - if (fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE - || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0) { - fprintf(stderr, "pngtoimage: %s is no valid PNG file\n", read_idf); - goto fin; - } - /* libpng-VERSION/example.c: - * PC : screen_gamma = 2.2; - * Mac: screen_gamma = 1.7 or 1.0; - */ - display_exponent = 2.2; - - if ((png = png_create_read_struct(PNG_LIBPNG_VER_STRING, - NULL, NULL, NULL)) == NULL) { - goto fin; - } - if ((info = png_create_info_struct(png)) == NULL) { - goto fin; - } - - if (setjmp(png_jmpbuf(png))) { - goto fin; - } - - png_init_io(png, reader); - png_set_sig_bytes(png, MAGIC_SIZE); - - png_read_info(png, info); - - if (png_get_IHDR(png, info, &width, &height, - &bit_depth, &color_type, &interlace_type, - &compression_type, &filter_type) == 0) { - goto fin; - } - - /* png_set_expand(): - * expand paletted images to RGB, expand grayscale images of - * less than 8-bit depth to 8-bit depth, and expand tRNS chunks - * to alpha channels. - */ - if (color_type == PNG_COLOR_TYPE_PALETTE) { - png_set_expand(png); - } else if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8) { - png_set_expand(png); - } - - if (png_get_valid(png, info, PNG_INFO_tRNS)) { - png_set_expand(png); - } - - is16 = (bit_depth == 16); - - /* GRAY => RGB; GRAY_ALPHA => RGBA - */ - if (color_type == PNG_COLOR_TYPE_GRAY - || color_type == PNG_COLOR_TYPE_GRAY_ALPHA) { - png_set_gray_to_rgb(png); - color_type = - (color_type == PNG_COLOR_TYPE_GRAY ? PNG_COLOR_TYPE_RGB : - PNG_COLOR_TYPE_RGB_ALPHA); - } - if (!png_get_gAMA(png, info, &gamma)) { - gamma = 0.45455; - } - - png_set_gamma(png, display_exponent, gamma); - - png_read_update_info(png, info); - - png_get_pHYs(png, info, &resx, &resy, &unit); - - color_type = png_get_color_type(png, info); - - has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA); - - nr_comp = 3 + has_alpha; - - bit_depth = png_get_bit_depth(png, info); - - rows = (unsigned char**)calloc(height + 1, sizeof(unsigned char*)); - for (i = 0; i < height; ++i) { - rows[i] = (unsigned char*)malloc(png_get_rowbytes(png, info)); - } - - png_read_image(png, rows); - - memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t)); - - sub_dx = params->subsampling_dx; - sub_dy = params->subsampling_dy; - - for (i = 0; i < nr_comp; ++i) { - cmptparm[i].prec = bit_depth; - /* bits_per_pixel: 8 or 16 */ - cmptparm[i].bpp = bit_depth; - cmptparm[i].sgnd = 0; - cmptparm[i].dx = sub_dx; - cmptparm[i].dy = sub_dy; - cmptparm[i].w = width; - cmptparm[i].h = height; - } - - image = opj_image_create(nr_comp, &cmptparm[0], CLRSPC_SRGB); - - if (image == NULL) { - goto fin; - } - - image->x0 = params->image_offset_x0; - image->y0 = params->image_offset_y0; - image->x1 = image->x0 + (width - 1) * sub_dx + 1 + image->x0; - image->y1 = image->y0 + (height - 1) * sub_dy + 1 + image->y0; - - r = image->comps[0].data; - g = image->comps[1].data; - b = image->comps[2].data; - a = image->comps[3].data; - - for (i = 0; i < height; ++i) { - s = rows[i]; - - for (j = 0; j < width; ++j) { - if (is16) { - *r++ = s[0] << 8 | s[1]; - s += 2; - - *g++ = s[0] << 8 | s[1]; - s += 2; - - *b++ = s[0] << 8 | s[1]; - s += 2; - - if (has_alpha) { - *a++ = s[0] << 8 | s[1]; - s += 2; - } - - continue; - } - *r++ = *s++; - *g++ = *s++; - *b++ = *s++; - - if (has_alpha) { - *a++ = *s++; - } - } - } -fin: - if (rows) { - for (i = 0; i < height; ++i) { - free(rows[i]); - } - free(rows); - } - if (png) { - png_destroy_read_struct(&png, &info, NULL); - } - - fclose(reader); - - return image; - -}/* pngtoimage() */ - -int imagetopng(opj_image_t * image, const char *write_idf) -{ - FILE *writer; - png_structp png; - png_infop info; - int *red, *green, *blue, *alpha; - unsigned char *row_buf, *d; - int has_alpha, width, height, nr_comp, color_type; - int adjustR, adjustG, adjustB, adjustA, x, y, fails; - int prec, ushift, dshift, is16, force16, force8; - unsigned short mask = 0xffff; - png_color_8 sig_bit; - - is16 = force16 = force8 = ushift = dshift = 0; - fails = 1; - prec = image->comps[0].prec; - nr_comp = image->numcomps; - - if (prec > 8 && prec < 16) { - ushift = 16 - prec; - dshift = prec - ushift; - prec = 16; - force16 = 1; - } else if (prec < 8 && nr_comp > 1) { /* GRAY_ALPHA, RGB, RGB_ALPHA */ - ushift = 8 - prec; - dshift = 8 - ushift; - prec = 8; - force8 = 1; - } - - if (prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16) { - fprintf(stderr, "imagetopng: can not create %s" - "\n\twrong bit_depth %d\n", write_idf, prec); - return fails; - } - writer = fopen(write_idf, "wb"); - - if (writer == NULL) { - return fails; - } - - info = NULL; - has_alpha = 0; - - /* Create and initialize the png_struct with the desired error handler - * functions. If you want to use the default stderr and longjump method, - * you can supply NULL for the last three parameters. We also check that - * the library version is compatible with the one used at compile time, - * in case we are using dynamically linked libraries. REQUIRED. - */ - png = png_create_write_struct(PNG_LIBPNG_VER_STRING, - NULL, NULL, NULL); - /*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */ - - if (png == NULL) { - goto fin; - } - - /* Allocate/initialize the image information data. REQUIRED - */ - info = png_create_info_struct(png); - - if (info == NULL) { - goto fin; - } - - /* Set error handling. REQUIRED if you are not supplying your own - * error handling functions in the png_create_write_struct() call. - */ - if (setjmp(png_jmpbuf(png))) { - goto fin; - } - - /* I/O initialization functions is REQUIRED - */ - png_init_io(png, writer); - - /* Set the image information here. Width and height are up to 2^31, - * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on - * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY, - * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB, - * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or - * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST - * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE. - * REQUIRED - * - * ERRORS: - * - * color_type == PNG_COLOR_TYPE_PALETTE && bit_depth > 8 - * color_type == PNG_COLOR_TYPE_RGB && bit_depth < 8 - * color_type == PNG_COLOR_TYPE_GRAY_ALPHA && bit_depth < 8 - * color_type == PNG_COLOR_TYPE_RGB_ALPHA) && bit_depth < 8 - * - */ - png_set_compression_level(png, Z_BEST_COMPRESSION); - - if (prec == 16) { - mask = 0xffff; - } else if (prec == 8) { - mask = 0x00ff; - } else if (prec == 4) { - mask = 0x000f; - } else if (prec == 2) { - mask = 0x0003; - } else if (prec == 1) { - mask = 0x0001; - } - - if (nr_comp >= 3 - && image->comps[0].dx == image->comps[1].dx - && image->comps[1].dx == image->comps[2].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[1].dy == image->comps[2].dy - && image->comps[0].prec == image->comps[1].prec - && image->comps[1].prec == image->comps[2].prec) { - int v; - - has_alpha = (nr_comp > 3); - - is16 = (prec == 16); - - width = image->comps[0].w; - height = image->comps[0].h; - - red = image->comps[0].data; - green = image->comps[1].data; - blue = image->comps[2].data; - - sig_bit.red = sig_bit.green = sig_bit.blue = prec; - - if (has_alpha) { - sig_bit.alpha = prec; - alpha = image->comps[3].data; - color_type = PNG_COLOR_TYPE_RGB_ALPHA; - adjustA = (image->comps[3].sgnd ? 1 << (image->comps[3].prec - 1) : 0); - } else { - sig_bit.alpha = 0; - alpha = NULL; - color_type = PNG_COLOR_TYPE_RGB; - adjustA = 0; - } - png_set_sBIT(png, info, &sig_bit); - - png_set_IHDR(png, info, width, height, prec, - color_type, - PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - /*=============================*/ - png_write_info(png, info); - /*=============================*/ - if (prec < 8) { - png_set_packing(png); - } - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0); - - row_buf = (unsigned char*)malloc(width * nr_comp * 2); - - for (y = 0; y < height; ++y) { - d = row_buf; - - for (x = 0; x < width; ++x) { - if (is16) { - v = *red + adjustR; - ++red; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - - v = *green + adjustG; - ++green; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - - v = *blue + adjustB; - ++blue; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - - if (has_alpha) { - v = *alpha + adjustA; - ++alpha; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - } - continue; - }/* if(is16) */ - - v = *red + adjustR; - ++red; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - - v = *green + adjustG; - ++green; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - - v = *blue + adjustB; - ++blue; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - - if (has_alpha) { - v = *alpha + adjustA; - ++alpha; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - } - } /* for(x) */ - - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - - }/* nr_comp >= 3 */ - else if (nr_comp == 1 /* GRAY */ - || (nr_comp == 2 /* GRAY_ALPHA */ - && image->comps[0].dx == image->comps[1].dx - && image->comps[0].dy == image->comps[1].dy - && image->comps[0].prec == image->comps[1].prec)) { - int v; - - red = image->comps[0].data; - - sig_bit.gray = prec; - sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0; - alpha = NULL; - adjustA = 0; - color_type = PNG_COLOR_TYPE_GRAY; - - if (nr_comp == 2) { - has_alpha = 1; - sig_bit.alpha = prec; - alpha = image->comps[1].data; - color_type = PNG_COLOR_TYPE_GRAY_ALPHA; - adjustA = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0); - } - width = image->comps[0].w; - height = image->comps[0].h; - - png_set_IHDR(png, info, width, height, sig_bit.gray, - color_type, - PNG_INTERLACE_NONE, - PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE); - - png_set_sBIT(png, info, &sig_bit); - /*=============================*/ - png_write_info(png, info); - /*=============================*/ - adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0); - - if (prec < 8) { - png_set_packing(png); - } - - if (prec > 8) { - row_buf = (unsigned char*) - malloc(width * nr_comp * sizeof(unsigned short)); - - for (y = 0; y < height; ++y) { - d = row_buf; - - for (x = 0; x < width; ++x) { - v = *red + adjustR; - ++red; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - - if (has_alpha) { - v = *alpha++; - - if (force16) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v >> 8); - *d++ = (unsigned char)v; - } - }/* for(x) */ - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - } else { /* prec <= 8 */ - row_buf = (unsigned char*)calloc(width, nr_comp * 2); - - for (y = 0; y < height; ++y) { - d = row_buf; - - for (x = 0; x < width; ++x) { - v = *red + adjustR; - ++red; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - - if (has_alpha) { - v = *alpha + adjustA; - ++alpha; - - if (force8) { - v = (v << ushift) + (v >> dshift); - } - - *d++ = (unsigned char)(v & mask); - } - }/* for(x) */ - - png_write_row(png, row_buf); - - } /* for(y) */ - free(row_buf); - } - } else { - fprintf(stderr, "imagetopng: can not create %s\n", write_idf); - goto fin; - } - png_write_end(png, info); - - fails = 0; - -fin: - - if (png) { - png_destroy_write_struct(&png, &info); - } - fclose(writer); - - if (fails) { - remove(write_idf); - } - - return fails; -}/* imagetopng() */ -#endif /* OPJ_HAVE_LIBPNG */ |