/*
- * 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
+ * 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, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2007, Francois-Olivier Devaux
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux
* Copyright (c) 2003-2014, Antonin Descampe
* Copyright (c) 2005, Herve Drolon, FreeImage Team
* Copyright (c) 2006-2007, Parvatha Elangovan
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
+#include <limits.h>
#ifdef OPJ_HAVE_LIBTIFF
#include <tiffio.h>
*
* log2(a)
*/
-static int int_floorlog2(int a) {
- int l;
- for (l = 0; a > 1; l++) {
- a >>= 1;
- }
- return l;
+static int int_floorlog2(int a)
+{
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
}
/* -->> -->> -->> -->>
#ifdef INFORMATION_ONLY
/* TGA header definition. */
-struct tga_header
-{
+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 */
};
#endif /* INFORMATION_ONLY */
-static unsigned short get_ushort(unsigned short val) {
+static unsigned short get_ushort(unsigned short val)
+{
#ifdef OPJ_BIG_ENDIAN
- return( ((val & 0xff) << 8) + (val >> 8) );
+ return (((val & 0xff) << 8) + (val >> 8));
#else
- return( val );
+ 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)
+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");
- 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;
+ 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 int16_t swap16(int16_t x)
+static inline uint16_t swap16(uint16_t x)
{
- return((((u_int16_t)x & 0x00ffU) << 8) |
- (((u_int16_t)x & 0xff00U) >> 8));
+ 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)
+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;
+ 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;
+ if (!bits_per_pixel || !width || !height) {
+ return 0;
+ }
- pixel_depth = 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 (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 */
+ 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;
+ 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 */
+ 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 */
+ 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;
+ 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;
+ 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;
+ 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;
+ if (fwrite(&pixel_depth, 1, 1, fp) != 1) {
+ goto fails;
+ }
- image_desc = 8; /* 8 bits per component. */
+ image_desc = 8; /* 8 bits per component. */
- if (flip_image)
- image_desc |= 32;
- if(fwrite(&image_desc, 1, 1, fp) != 1) goto fails;
+ if (flip_image) {
+ image_desc |= 32;
+ }
+ if (fwrite(&image_desc, 1, 1, fp) != 1) {
+ goto fails;
+ }
- return 1;
+ return 1;
fails:
- fputs("\nwrite_tgaheader: write ERROR\n", stderr);
- return 0;
+ 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;
+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;
- }
+int imagetotga(opj_image_t * image, const char *outfile)
+{
+ int width, height, bpp, x, y;
+ opj_bool write_alpha;
+ int i, adjustR, adjustG = 0, adjustB = 0;
+ unsigned int alpha_channel;
+ float r, g, b, a;
+ unsigned char value;
+ float scale;
+ FILE *fdest;
+ size_t res;
- 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);
+ 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;
- 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);
+ /* 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);
+ if (image->numcomps >= 3) {
+ 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 (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;
+ 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;
+ return 0;
}
/* -->> -->> -->> -->>
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 */
+ 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; /* Heigth 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) */
+ 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)
+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 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) {
+ fclose(IN);
+ 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;
+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;
+ 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;
}
/* -->> -->> -->> -->>
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;
+ 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;
+ 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;
+ 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");
- 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");
- 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;
+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%31[ \t]%c%c%31[ \t+-]%d%31[ \t]%d%31[ \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;
+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 (olen < 4 || 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);
+ }
- 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;
- }
- /* dont 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);
- return 1;
- }
- }
- }
- fclose(fdest);
- }
-
- return 0;
+ 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;
}
/* -->> -->> -->> -->>
<<-- <<-- <<-- <<-- */
-struct pnm_header
-{
+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;
- }
+ while (*s) {
+ if (*s == '\n' || *s == '\r') {
+ return NULL;
+ }
+ if (isspace(*s)) {
+ ++s;
+ continue;
+ }
+ return s;
+ }
return NULL;
}
char *s;
char c;
- *out_n = 0; s = start;
+ *out_n = 0;
+ s = start;
s = skip_white(start);
- if(s == NULL) return NULL;
+ if (s == NULL) {
+ return NULL;
+ }
start = s;
- while(*s)
- {
- if( !isdigit(*s)) break;
- ++s;
- }
- c = *s; *s = 0; *out_n = atoi(start); *s = c;
+ while (*s) {
+ if (!isdigit(*s)) {
+ break;
+ }
+ ++s;
+ }
+ c = *s;
+ *s = 0;
+ *out_n = atoi(start);
+ *s = c;
return s;
}
char c;
s = skip_white(start);
- if(s == NULL) return NULL;
+ 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;
+ 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];
+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 (fgets(line, 250, reader) == NULL)
- {
- fprintf(stderr,"\nWARNING: fgets return a NULL value");
- return;
+ 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(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;
+ if (format == 7) {
+ if (!end) {
+ fprintf(stderr, "read_pnm_header:P7 without ENDHDR\n");
+ return;
+ }
+ if (ph->depth < 1 || ph->depth > 4) {
+ return;
+ }
- 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;
- }
- }
+ 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;
+ 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;
+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));
- 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);
- read_pnm_header(fp, &header_info);
+ if (!header_info.ok) {
+ fclose(fp);
+ return NULL;
+ }
- if(!header_info.ok) { fclose(fp); return NULL; }
+ /* This limitation could be removed by making sure to use size_t below */
+ if (header_info.height != 0 &&
+ header_info.width > INT_MAX / header_info.height) {
+ fprintf(stderr, "pnmtoimage:Image %dx%d too big!\n",
+ header_info.width, header_info.height);
+ fclose(fp);
+ return NULL;
+ }
- format = header_info.format;
+ format = header_info.format;
- switch(format)
- {
+ switch (format) {
case 1: /* ascii bitmap */
case 4: /* raw bitmap */
numcomps = 1;
case 7: /* arbitrary map */
numcomps = header_info.depth;
- break;
+ break;
- default: fclose(fp); return NULL;
- }
- if(numcomps < 3)
- color_space = CLRSPC_GRAY;/* GRAY, GRAYA */
- else
- color_space = CLRSPC_SRGB;/* RGB, RGBA */
+ 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;
+ if (prec < 8) {
+ prec = 8;
+ }
w = header_info.width;
h = header_info.height;
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;
- }
+ 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;
+ 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;
- 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;
- }
- }
+ 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 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);
+ 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);
- 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;
+ return 0;
}/* imagetopnm() */
#ifdef OPJ_HAVE_LIBTIFF
/* -->> -->> -->> -->>
- TIFF IMAGE FORMAT
+ TIFF IMAGE FORMAT
<<-- <<-- <<-- <<-- */
-int imagetotif(opj_image_t * image, const char *outfile)
+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;
+ 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() */
/*
*/
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);
+ 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;
- 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;
+ {
+ 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() */
/* -->> -->> -->> -->>
- RAW IMAGE FORMAT
+ 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;
+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;
+ 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++;
+ }
+ }
}
- 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;
+ } 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++;
+ }
+ }
}
- 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;
+ } 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
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;
+ 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 ((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;
+ if (setjmp(png_jmpbuf(png))) {
+ goto fin;
+ }
- png_init_io(png, reader);
- png_set_sig_bytes(png, MAGIC_SIZE);
+ png_init_io(png, reader);
+ png_set_sig_bytes(png, MAGIC_SIZE);
- png_read_info(png, info);
+ 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;
+ 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);
+ /* 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);
+ if (png_get_valid(png, info, PNG_INFO_tRNS)) {
+ png_set_expand(png);
+ }
- is16 = (bit_depth == 16);
+ 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;
+ /* 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_set_gamma(png, display_exponent, gamma);
- png_read_update_info(png, info);
+ png_read_update_info(png, info);
- png_get_pHYs(png, info, &resx, &resy, &unit);
+ png_get_pHYs(png, info, &resx, &resy, &unit);
- color_type = png_get_color_type(png, info);
+ color_type = png_get_color_type(png, info);
- has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
+ has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
- nr_comp = 3 + has_alpha;
+ nr_comp = 3 + has_alpha;
- bit_depth = png_get_bit_depth(png, info);
+ 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));
+ 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);
+ png_read_image(png, rows);
- memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));
+ memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));
- sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;
+ 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;
- }
+ 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);
+ image = opj_image_create(nr_comp, &cmptparm[0], CLRSPC_SRGB);
- if(image == NULL) goto fin;
+ 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++;
- }
- }
+ 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);
+ if (rows) {
+ for (i = 0; i < height; ++i) {
+ free(rows[i]);
+ }
+ free(rows);
+ }
+ if (png) {
+ png_destroy_read_struct(&png, &info, NULL);
+ }
- fclose(reader);
+ fclose(reader);
- return image;
+ 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); */
+ 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(png == NULL) goto fin;
+ 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");
-/* Allocate/initialize the image information data. REQUIRED
-*/
- info = png_create_info_struct(png);
+ if (writer == NULL) {
+ return fails;
+ }
- if(info == NULL) goto fin;
+ info = NULL;
+ has_alpha = 0;
-/* 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;
+ /* 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); */
-/* 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;
+ if (png == NULL) {
+ goto fin;
+ }
- 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);
+ /* 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;
+ }
- row_buf = (unsigned char*)malloc(width * nr_comp * 2);
+ /* 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);
- for(y = 0; y < height; ++y)
- {
- d = row_buf;
+ row_buf = (unsigned char*)malloc(width * nr_comp * 2);
- for(x = 0; x < width; ++x)
- {
- if(is16)
- {
- v = *red + adjustR; ++red;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ for (y = 0; y < height; ++y) {
+ d = row_buf;
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+ for (x = 0; x < width; ++x) {
+ if (is16) {
+ v = *red + adjustR;
+ ++red;
- v = *green + adjustG; ++green;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+ *d++ = (unsigned char)(v >> 8);
+ *d++ = (unsigned char)v;
- v = *blue + adjustB; ++blue;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ v = *green + adjustG;
+ ++green;
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
-
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ *d++ = (unsigned char)(v >> 8);
+ *d++ = (unsigned char)v;
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
- }
- continue;
- }/* if(is16) */
+ v = *blue + adjustB;
+ ++blue;
- v = *red + adjustR; ++red;
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ *d++ = (unsigned char)(v >> 8);
+ *d++ = (unsigned char)v;
- *d++ = (unsigned char)(v & mask);
+ if (has_alpha) {
+ v = *alpha + adjustA;
+ ++alpha;
- v = *green + adjustG; ++green;
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ *d++ = (unsigned char)(v >> 8);
+ *d++ = (unsigned char)v;
+ }
+ continue;
+ }/* if(is16) */
- *d++ = (unsigned char)(v & mask);
+ v = *red + adjustR;
+ ++red;
- v = *blue + adjustB; ++blue;
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ *d++ = (unsigned char)(v & mask);
- *d++ = (unsigned char)(v & mask);
+ v = *green + adjustG;
+ ++green;
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ *d++ = (unsigned char)(v & mask);
- *d++ = (unsigned char)(v & mask);
- }
- } /* for(x) */
+ v = *blue + adjustB;
+ ++blue;
- png_write_row(png, row_buf);
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- } /* for(y) */
- free(row_buf);
+ *d++ = (unsigned char)(v & mask);
- }/* 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;
+ if (has_alpha) {
+ v = *alpha + adjustA;
+ ++alpha;
- red = image->comps[0].data;
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- 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;
+ *d++ = (unsigned char)(v & mask);
+ }
+ } /* for(x) */
- 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_write_row(png, row_buf);
- png_set_IHDR(png, info, width, height, sig_bit.gray,
- color_type,
- PNG_INTERLACE_NONE,
- PNG_COMPRESSION_TYPE_BASE, PNG_FILTER_TYPE_BASE);
+ } /* for(y) */
+ free(row_buf);
- png_set_sBIT(png, info, &sig_bit);
-/*=============================*/
- png_write_info(png, info);
-/*=============================*/
- adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
+ }/* 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;
- if(prec < 8)
- {
- png_set_packing(png);
- }
+ red = image->comps[0].data;
- if(prec > 8)
- {
- row_buf = (unsigned char*)
- malloc(width * nr_comp * sizeof(unsigned short));
+ 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;
- for(y = 0; y < height; ++y)
- {
- d = row_buf;
+ 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;
+ for (x = 0; x < width; ++x) {
+ v = *red + adjustR;
+ ++red;
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+ *d++ = (unsigned char)(v >> 8);
+ *d++ = (unsigned char)v;
- if(has_alpha)
- {
- v = *alpha++;
+ if (has_alpha) {
+ v = *alpha++;
- if(force16) { v = (v<<ushift) + (v>>dshift); }
+ if (force16) {
+ v = (v << ushift) + (v >> dshift);
+ }
- *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
- }
- }/* for(x) */
- png_write_row(png, row_buf);
+ *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) */
+ 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 (y = 0; y < height; ++y) {
+ d = row_buf;
- for(x = 0; x < width; ++x)
- {
- v = *red + adjustR; ++red;
+ for (x = 0; x < width; ++x) {
+ v = *red + adjustR;
+ ++red;
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- *d++ = (unsigned char)(v & mask);
+ *d++ = (unsigned char)(v & mask);
- if(has_alpha)
- {
- v = *alpha + adjustA; ++alpha;
+ if (has_alpha) {
+ v = *alpha + adjustA;
+ ++alpha;
- if(force8) { v = (v<<ushift) + (v>>dshift); }
+ if (force8) {
+ v = (v << ushift) + (v >> dshift);
+ }
- *d++ = (unsigned char)(v & mask);
- }
- }/* for(x) */
+ *d++ = (unsigned char)(v & mask);
+ }
+ }/* for(x) */
- png_write_row(png, row_buf);
+ 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);
+ } /* 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;
+ fails = 0;
fin:
- if(png)
- {
- png_destroy_write_struct(&png, &info);
- }
- fclose(writer);
+ if (png) {
+ png_destroy_write_struct(&png, &info);
+ }
+ fclose(writer);
- if(fails) remove(write_idf);
+ if (fails) {
+ remove(write_idf);
+ }
- return fails;
+ return fails;
}/* imagetopng() */
#endif /* OPJ_HAVE_LIBPNG */
projects / openjpeg.git / blobdiff