/*
+ * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
+ * Copyright (c) 2002-2007, Professor Benoit Macq
* Copyright (c) 2001-2003, David Janssens
* Copyright (c) 2002-2003, Yannick Verschueren
- * Copyright (c) 2003-2005, Francois Devaux and Antonin Descampe
- * Copyright (c) 2005, Herv� Drolon, FreeImage Team
- * Copyright (c) 2002-2005, Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
+ * Copyright (c) 2005, Herve Drolon, FreeImage Team
+ * Copyright (c) 2006-2007, Parvatha Elangovan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
+#include "opj_config.h"
+
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
-#include "openjpeg.h"
+
+#ifdef HAVE_LIBTIFF
+#ifdef WIN32
+#include "../libs/libtiff/tiffio.h"
+#else
+#include <tiffio.h>
+#endif /* WIN32 */
+#endif /* HAVE_LIBTIFF */
+
+#ifdef HAVE_LIBPNG
+#ifdef WIN32
+#include "../libs/png/png.h"
+#else
+#include <png.h>
+#endif /* WIN32 */
+#endif /* HAVE_LIBPNG */
+
+#include "../libopenjpeg/openjpeg.h"
+#include "convert.h"
/*
* Get logarithm of an integer and round downwards.
return (a + b - 1) / b;
}
+
+/* -->> -->> -->> -->>
+
+ TGA IMAGE FORMAT
+
+ <<-- <<-- <<-- <<-- */
+
+// TGA header definition.
+#pragma pack(push,1) // Pack structure byte aligned
+typedef struct tga_header
+{
+ unsigned char id_length; /* Image id field length */
+ unsigned char colour_map_type; /* Colour map type */
+ unsigned char image_type; /* Image type */
+ /*
+ ** Colour map specification
+ */
+ unsigned short colour_map_index; /* First entry index */
+ unsigned short colour_map_length; /* Colour map length */
+ unsigned char colour_map_entry_size; /* Colour map entry size */
+ /*
+ ** Image specification
+ */
+ unsigned short x_origin; /* x origin of image */
+ unsigned short y_origin; /* u origin of image */
+ unsigned short image_width; /* Image width */
+ unsigned short image_height; /* Image height */
+ unsigned char pixel_depth; /* Pixel depth */
+ unsigned char image_desc; /* Image descriptor */
+} tga_header;
+#pragma pack(pop) // Return to normal structure packing alignment.
+
+int tga_readheader(FILE *fp, unsigned int *bits_per_pixel,
+ unsigned int *width, unsigned int *height, int *flip_image)
+{
+ int palette_size;
+ tga_header tga ;
+
+ if (!bits_per_pixel || !width || !height || !flip_image)
+ return 0;
+
+ // Read TGA header
+ fread((unsigned char*)&tga, sizeof(tga_header), 1, fp);
+
+ *bits_per_pixel = tga.pixel_depth;
+
+ *width = tga.image_width;
+ *height = tga.image_height ;
+
+ // Ignore tga identifier, if present ...
+ if (tga.id_length)
+ {
+ unsigned char *id = (unsigned char *) malloc(tga.id_length);
+ fread(id, tga.id_length, 1, fp);
+ free(id);
+ }
+
+ // Test for compressed formats ... not yet supported ...
+ // Note :- 9 - RLE encoded palettized.
+ // 10 - RLE encoded RGB.
+ if (tga.image_type > 8)
+ {
+ fprintf(stderr, "Sorry, compressed tga files are not currently supported.\n");
+ return 0 ;
+ }
+
+ *flip_image = !(tga.image_desc & 32);
+
+ // Palettized formats are not yet supported, skip over the palette, if present ...
+ palette_size = tga.colour_map_length * (tga.colour_map_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 tga_writeheader(FILE *fp, int bits_per_pixel, int width, int height,
+ bool flip_image)
+{
+ tga_header tga;
+
+ if (!bits_per_pixel || !width || !height)
+ return 0;
+
+ memset(&tga, 0, sizeof(tga_header));
+
+ tga.pixel_depth = bits_per_pixel;
+ tga.image_width = width;
+ tga.image_height = height;
+ tga.image_type = 2; // Uncompressed.
+ tga.image_desc = 8; // 8 bits per component.
+
+ if (flip_image)
+ tga.image_desc |= 32;
+
+ // Write TGA header
+ fwrite((unsigned char*)&tga, sizeof(tga_header), 1, fp);
+
+ return 1;
+}
+
+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;
+ bool mono ;
+ 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;
+ fread(&b, 1, 1, f);
+ fread(&g, 1, 1, f);
+ fread(&r, 1, 1, f);
+
+ 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;
+ fread(&b, 1, 1, f);
+ fread(&g, 1, 1, f);
+ fread(&r, 1, 1, f);
+ fread(&a, 1, 1, f);
+
+ 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;
+ bool write_alpha;
+ int i;
+ unsigned int alpha_channel;
+ float r,g,b,a;
+ unsigned char value;
+ float scale;
+ FILE *fdest;
+
+ 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, true))
+ return 1;
+
+ alpha_channel = image->numcomps-1;
+
+ scale = 255.0f / (float)((1<<image->comps[0].prec)-1);
+
+ 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]);
+
+ if (image->numcomps>2) {
+ g = (float)(image->comps[1].data[index]);
+ b = (float)(image->comps[2].data[index]);
+ }
+ else {// Greyscale ...
+ g = r;
+ b = r;
+ }
+
+ // TGA format writes BGR ...
+ value = (unsigned char)(b*scale);
+ fwrite(&value,1,1,fdest);
+
+ value = (unsigned char)(g*scale);
+ fwrite(&value,1,1,fdest);
+
+ value = (unsigned char)(r*scale);
+ fwrite(&value,1,1,fdest);
+
+ if (write_alpha) {
+ a = (float)(image->comps[alpha_channel].data[index]);
+ value = (unsigned char)(a*scale);
+ fwrite(&value,1,1,fdest);
+ }
+ }
+ }
+
+ return 0;
+}
+
/* -->> -->> -->> -->>
BMP IMAGE FORMAT
DWORD biClrImportant; /* Number of important color (0: ALL) */
} BITMAPINFOHEADER_t;
-opj_image_t* bmptoimage(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;
IN = fopen(filename, "rb");
if (!IN) {
- fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
+ fprintf(stderr, "Failed to open %s for reading !!\n", filename);
return 0;
}
W = Info_h.biWidth;
H = Info_h.biHeight;
- // PAD = 4 - (3 * W) % 4;
- // PAD = (PAD == 4) ? 0 : PAD;
+ /* 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));
}
}
free(RGB);
-
+ free(table_R);
+ free(table_G);
+ free(table_B);
} else if (Info_h.biBitCount == 8 && Info_h.biCompression == 1) {
table_R = (unsigned char *) malloc(256 * sizeof(unsigned char));
table_G = (unsigned char *) malloc(256 * sizeof(unsigned char));
opj_image_destroy(image);
fclose(IN);
return NULL;
- break;
default:
for (i = 0; i < v; i++) {
v2 = getc(IN);
}
}
free(RGB);
+ free(table_R);
+ free(table_G);
+ free(table_B);
} else {
fprintf(stderr,
"Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
return image;
}
-int imagetobmp(opj_image_t * image, char *outfile) {
- int w, wr, h, hr;
+int imagetobmp(opj_image_t * image, const char *outfile) {
+ int w, h;
int i, pad;
FILE *fdest = NULL;
+ int adjustR, adjustG, adjustB;
if (image->numcomps == 3 && image->comps[0].dx == image->comps[1].dx
&& image->comps[1].dx == image->comps[2].dx
return 1;
}
- // w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
- // wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx);
- w = image->comps[0].w;
- wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
-
- // h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
- // hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy);
+ w = image->comps[0].w;
h = image->comps[0].h;
- hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
fprintf(fdest, "BM");
/* FILE HEADER */
/* ------------- */
fprintf(fdest, "%c%c%c%c",
- (unsigned char) (hr * wr * 3 + 3 * hr * (wr % 2) + 54) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2) + 54) >> 24) & 0xff);
+ (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) ((wr) & 0xff),
- (unsigned char) ((wr) >> 8) & 0xff,
- (unsigned char) ((wr) >> 16) & 0xff,
- (unsigned char) ((wr) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
- (unsigned char) ((hr) >> 8) & 0xff,
- (unsigned char) ((hr) >> 16) & 0xff,
- (unsigned char) ((hr) >> 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 * hr * wr + 3 * hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr * 3 + 3 * hr * (wr % 2)) >> 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);
- for (i = 0; i < wr * hr; i++) {
- unsigned char R, G, B;
- /* a modifier */
- // R = image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- R = image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- // G = image->comps[1].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- G = image->comps[1].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- // B = image->comps[2].data[w * h - ((i) / (w) + 1) * w + (i) % (w)];
- B = image->comps[2].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)];
- fprintf(fdest, "%c%c%c", B, G, R);
+ 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);
+ rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
+ 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);
+ gc = (unsigned char) ((g >> adjustG)+((g >> (adjustG-1))%2));
+ 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);
+ bc = (unsigned char) ((b >> adjustB)+((b >> (adjustB-1))%2));
+
+ fprintf(fdest, "%c%c%c", bc, gc, rc);
- if ((i + 1) % wr == 0) {
- for (pad = (3 * wr) % 4 ? 4 - (3 * wr) % 4 : 0; pad > 0; pad--) /* ADD */
+ if ((i + 1) % w == 0) {
+ for (pad = (3 * w) % 4 ? 4 - (3 * w) % 4 : 0; pad > 0; pad--) /* ADD */
fprintf(fdest, "%c", 0);
}
}
<<-- <<-- <<-- <<-- */
fdest = fopen(outfile, "wb");
- // w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
- // wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), image->comps[0].dx);
- w = image->comps[0].w;
- wr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
-
- // h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
- // hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy);
+ w = image->comps[0].w;
h = image->comps[0].h;
- hr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
fprintf(fdest, "BM");
/* FILE HEADER */
/* ------------- */
- fprintf(fdest, "%c%c%c%c", (unsigned char) (hr * wr + 54 + 1024 + hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr + 54 + 1024 + wr * (wr % 2)) >> 24) & 0xff);
+ 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,
/* 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) ((wr) & 0xff),
- (unsigned char) ((wr) >> 8) & 0xff,
- (unsigned char) ((wr) >> 16) & 0xff,
- (unsigned char) ((wr) >> 24) & 0xff);
- fprintf(fdest, "%c%c%c%c", (unsigned char) ((hr) & 0xff),
- (unsigned char) ((hr) >> 8) & 0xff,
- (unsigned char) ((hr) >> 16) & 0xff,
- (unsigned char) ((hr) >> 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) (hr * wr + hr * (wr % 2)) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 8) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 16) & 0xff,
- (unsigned char) ((hr * wr + hr * (wr % 2)) >> 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);
- }
- for (i = 0; i < 256; i++) {
- fprintf(fdest, "%c%c%c%c", i, i, i, 0);
- }
+ 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 < wr * hr; i++) {
- /* a modifier !! */
- // fprintf(fdest, "%c", image->comps[0].data[w * h - ((i) / (w) + 1) * w + (i) % (w)]);
- fprintf(fdest, "%c", image->comps[0].data[w * hr - ((i) / (wr) + 1) * w + (i) % (wr)]);
- /*if (((i + 1) % w == 0 && w % 2))
- fprintf(fdest, "%c", 0); */
- if ((i + 1) % wr == 0) {
- for (pad = wr % 4 ? 4 - wr % 4 : 0; pad > 0; pad--) /* ADD */
- fprintf(fdest, "%c", 0);
+ for (i = 0; i < 256; i++) {
+ fprintf(fdest, "%c%c%c%c", i, i, i, 0);
}
+
+ for (i = 0; i < w * h; i++) {
+ unsigned char rc;
+ 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);
+ rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
+
+ fprintf(fdest, "%c", rc);
+
+ if ((i + 1) % w == 0) {
+ for (pad = w % 4 ? 4 - w % 4 : 0; pad > 0; pad--) /* ADD */
+ fprintf(fdest, "%c", 0);
+ }
+ }
+ fclose(fdest);
}
- fclose(fdest);
return 0;
}
return (c4 << 24) + (c3 << 16) + (c2 << 8) + c1;
}
-opj_image_t* pgxtoimage(char *filename, opj_cparameters_t *parameters) {
+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_cmptparm_t cmptparm; /* maximum of 1 component */
opj_image_t * image = NULL;
char endian1,endian2,sign;
return image;
}
-int imagetopgx(opj_image_t * image, char *outfile) {
- int w, wr, h, hr;
+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 name[256];
- int nbytes = 0;
- char *tmp = outfile;
- while (*tmp) {
- tmp++;
- }
- while (*tmp!='.') {
- tmp--;
- }
- *tmp='\0';
-
+ char bname[256]; /* buffer for name */
+ char *name = bname; /* pointer */
+ int nbytes = 0;
+ 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, "%s-%d.pgx", outfile, compno);
+ sprintf(name+dotpos, "-%d.pgx", compno);
} else {
- sprintf(name, "%s.pgx", outfile);
+ strcpy(name+dotpos, ".pgx");
}
fdest = fopen(name, "wb");
if (!fdest) {
fprintf(stderr, "ERROR -> failed to open %s for writing\n", name);
return 1;
}
- // w = int_ceildiv(image->x1 - image->x0, comp->dx);
- // wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor), comp->dx);
+ /* dont need name anymore */
+ if( total > 256 ) {
+ free(name);
+ }
+
w = image->comps[compno].w;
- wr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
-
- // h = int_ceildiv(image->y1 - image->y0, comp->dy);
- // hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), comp->dy);
h = image->comps[compno].h;
- hr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
- fprintf(fdest, "PG ML %c %d %d %d\n", comp->sgnd ? '-' : '+', comp->prec, wr, hr);
+ 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) {
} else {
nbytes = 4;
}
- for (i = 0; i < wr * hr; i++) {
- int v = image->comps[compno].data[i / wr * w + i % wr];
+ 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));
fwrite(&byte, 1, 1, fdest);
<<-- <<-- <<-- <<-- */
-opj_image_t* pnmtoimage(char *filename, opj_cparameters_t *parameters) {
- int tdy = parameters->cp_tdy;
+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_cmptparm_t cmptparm[3]; /* maximum of 3 components */
opj_image_t * image = NULL;
char value;
- char comment[256];
-
+
f = fopen(filename, "rb");
if (!f) {
- fprintf(stderr, "\033[0;33mFailed to open %s for reading !!\033[0;39m\n", filename);
+ fprintf(stderr, "Failed to open %s for reading !!\n", filename);
return 0;
}
return 0;
value = fgetc(f);
- switch(value) {
- case '2': /* greyscale image type */
- case '5':
- {
- numcomps = 1;
- color_space = CLRSPC_GRAY;
-
- fgetc(f);
-
- if (fgetc(f) == '#') {
- /* skip comments */
- fseek(f, 0, SEEK_SET);
- if (value == '2') {
- fscanf(f, "P2\n");
- } else if (value == '5') {
- fscanf(f, "P5\n");
- }
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- if (value == '2') {
- fscanf(f, "P2\n%d %d\n255", &w, &h);
- } else if (value == '5') {
- fscanf(f, "P5\n%d %d\n255", &w, &h);
- }
- }
-
- fgetc(f); /* <cr><lf> */
- }
- break;
-
- case '3': /* RGB image type */
- case '6':
- {
- numcomps = 3;
- color_space = CLRSPC_SRGB;
-
- fgetc(f);
-
- if (fgetc(f) == '#') {
- /* skip comments */
- fseek(f, 0, SEEK_SET);
- if (value == '3') {
- fscanf(f, "P3\n");
- } else if (value == '6') {
- fscanf(f, "P6\n");
- }
- fgets(comment, 256, f);
- fscanf(f, "%d %d\n255", &w, &h);
- } else {
- fseek(f, 0, SEEK_SET);
- if (value == '3') {
- fscanf(f, "P3\n%d %d\n255", &w, &h);
- } else if (value == '6') {
- fscanf(f, "P6\n%d %d\n255", &w, &h);
- }
- }
-
- fgetc(f); /* <cr><lf> */
+ switch(value) {
+ case '2': /* greyscale image type */
+ case '5':
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
+ break;
+
+ case '3': /* RGB image type */
+ case '6':
+ numcomps = 3;
+ color_space = CLRSPC_SRGB;
+ break;
+
+ default:
+ fclose(f);
+ return NULL;
}
- break;
-
- default:
- fclose(f);
- return NULL;
- }
-
+
+ fgetc(f);
+
+ /* skip comments */
+ while(fgetc(f) == '#') while(fgetc(f) != '\n');
+
+ fseek(f, -1, SEEK_CUR);
+ fscanf(f, "%d %d\n255", &w, &h);
+ fgetc(f); /* <cr><lf> */
+
/* initialize image components */
memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
for(i = 0; i < numcomps; i++) {
for (i = 0; i < w * h; i++) {
for(compno = 0; compno < numcomps; compno++) {
unsigned int index = 0;
- fscanf(f, "%d", &index);
+ fscanf(f, "%u", &index);
/* compno : 0 = GREY, (0, 1, 2) = (R, G, B) */
image->comps[compno].data[i] = index;
}
return image;
}
-int imagetopnm(opj_image_t * image, char *outfile) {
- int w, wr, wrr, h, hr, hrr, max;
+int imagetopnm(opj_image_t * image, const char *outfile) {
+ int w, wr, h, hr, max;
int i, compno;
- int adjust;
+ int adjustR, adjustG, adjustB, adjustX;
FILE *fdest = NULL;
char S2;
- char *tmp = outfile;
+ const char *tmp = outfile;
while (*tmp) {
tmp++;
}
w = int_ceildiv(image->x1 - image->x0, image->comps[0].dx);
- // wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[0].dx);
wr = image->comps[0].w;
- wrr = int_ceildivpow2(image->comps[0].w, image->comps[0].factor);
h = int_ceildiv(image->y1 - image->y0, image->comps[0].dy);
- // hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[0].dy);
hr = image->comps[0].h;
- hrr = int_ceildivpow2(image->comps[0].h, image->comps[0].factor);
max = image->comps[0].prec > 8 ? 255 : (1 << image->comps[0].prec) - 1;
image->comps[0].x0 = int_ceildivpow2(image->comps[0].x0 - int_ceildiv(image->x0, image->comps[0].dx), image->comps[0].factor);
image->comps[0].y0 = int_ceildivpow2(image->comps[0].y0 - int_ceildiv(image->y0, image->comps[0].dy), image->comps[0].factor);
- fprintf(fdest, "P6\n%d %d\n%d\n", wrr, hrr, max);
- adjust = image->comps[0].prec > 8 ? image->comps[0].prec - 8 : 0;
- for (i = 0; i < wrr * hrr; i++) {
+ fprintf(fdest, "P6\n%d %d\n%d\n", wr, hr, max);
+
+ if (image->comps[0].prec > 8) {
+ adjustR = image->comps[0].prec - 8;
+ printf("PNM 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("PNM 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("PNM CONVERSION: Truncating component 2 from %d bits to 8 bits\n", image->comps[2].prec);
+ }
+ else
+ adjustB = 0;
+
+
+ for (i = 0; i < wr * hr; i++) {
int r, g, b;
unsigned char rc,gc,bc;
- r = image->comps[0].data[i / wrr * wr + i % wrr];
+ r = image->comps[0].data[i];
r += (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
- rc = (unsigned char) ((r >> adjust)+((r >> (adjust-1))%2));
+ rc = (unsigned char) ((r >> adjustR)+((r >> (adjustR-1))%2));
- g = image->comps[1].data[i / wrr * wr + i % wrr];
+ g = image->comps[1].data[i];
g += (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
- gc = (unsigned char) ((g >> adjust)+((g >> (adjust-1))%2));
+ gc = (unsigned char) ((g >> adjustG)+((g >> (adjustG-1))%2));
- b = image->comps[2].data[i / wrr * wr + i % wrr];
+ b = image->comps[2].data[i];
b += (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
- bc = (unsigned char) ((b >> adjust)+((b >> (adjust-1))%2));
+ bc = (unsigned char) ((b >> adjustB)+((b >> (adjustB-1))%2));
fprintf(fdest, "%c%c%c", rc, gc, bc);
}
fclose(fdest);
+
} else {
int ncomp=(S2=='g' || S2=='G')?1:image->numcomps;
- if (image->numcomps>ncomp) {
+ if (image->numcomps > ncomp) {
fprintf(stderr,"WARNING -> [PGM files] Only the first component\n");
fprintf(stderr," is written to the file\n");
}
}
w = int_ceildiv(image->x1 - image->x0, image->comps[compno].dx);
- // wr = int_ceildiv(int_ceildivpow2(image->x1 - image->x0,image->factor),image->comps[compno].dx);
wr = image->comps[compno].w;
- wrr = int_ceildivpow2(image->comps[compno].w, image->comps[compno].factor);
h = int_ceildiv(image->y1 - image->y0, image->comps[compno].dy);
- // hr = int_ceildiv(int_ceildivpow2(image->y1 - image->y0,image->factor), image->comps[compno].dy);
hr = image->comps[compno].h;
- hrr = int_ceildivpow2(image->comps[compno].h, image->comps[compno].factor);
max = image->comps[compno].prec > 8 ? 255 : (1 << image->comps[compno].prec) - 1;
image->comps[compno].x0 = int_ceildivpow2(image->comps[compno].x0 - int_ceildiv(image->x0, image->comps[compno].dx), image->comps[compno].factor);
image->comps[compno].y0 = int_ceildivpow2(image->comps[compno].y0 - int_ceildiv(image->y0, image->comps[compno].dy), image->comps[compno].factor);
- fprintf(fdest, "P5\n%d %d\n%d\n", wrr, hrr, max);
- adjust = image->comps[compno].prec > 8 ? image->comps[compno].prec - 8 : 0;
-
- for (i = 0; i < wrr * hrr; i++) {
+ fprintf(fdest, "P5\n%d %d\n%d\n", wr, hr, max);
+
+ if (image->comps[compno].prec > 8) {
+ adjustX = image->comps[0].prec - 8;
+ printf("PNM CONVERSION: Truncating component %d from %d bits to 8 bits\n",compno, image->comps[compno].prec);
+ }
+ else
+ adjustX = 0;
+
+ for (i = 0; i < wr * hr; i++) {
int l;
unsigned char lc;
- l = image->comps[compno].data[i / wrr * wr + i % wrr];
+ l = image->comps[compno].data[i];
l += (image->comps[compno].sgnd ? 1 << (image->comps[compno].prec - 1) : 0);
- lc = (unsigned char) ((l >> adjust)+((l >> (adjust-1))%2));
+ lc = (unsigned char) ((l >> adjustX)+((l >> (adjustX-1))%2));
fprintf(fdest, "%c", lc);
}
fclose(fdest);
return 0;
}
+
+#ifdef HAVE_LIBTIFF
+/* -->> -->> -->> -->>
+
+ TIFF IMAGE FORMAT
+
+ <<-- <<-- <<-- <<-- */
+
+typedef struct tiff_infoheader{
+ DWORD tiWidth; // Width of Image in pixel
+ DWORD tiHeight; // Height of Image in pixel
+ DWORD tiPhoto; // Photometric
+ WORD tiBps; // Bits per sample
+ WORD tiSf; // Sample Format
+ WORD tiSpp; // Sample per pixel 1-bilevel,gray scale , 2- RGB
+ WORD tiPC; // Planar config (1-Interleaved, 2-Planarcomp)
+}tiff_infoheader_t;
+
+int imagetotif(opj_image_t * image, const char *outfile) {
+ int width, height, imgsize;
+ int bps,index,adjust = 0;
+ int last_i=0;
+ TIFF *tif;
+ tdata_t buf;
+ tstrip_t strip;
+ tsize_t strip_size;
+
+ 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) {
+
+ /* -->> -->> -->>
+ RGB color
+ <<-- <<-- <<-- */
+
+ tif = TIFFOpen(outfile, "wb");
+ if (!tif) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ width = image->comps[0].w;
+ height = image->comps[0].h;
+ imgsize = width * height ;
+ bps = image->comps[0].prec;
+ /* Set tags */
+ TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
+ TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
+ TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 3);
+ 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);
+
+ /* Get a buffer for the data */
+ strip_size=TIFFStripSize(tif);
+ buf = _TIFFmalloc(strip_size);
+ index=0;
+ adjust = image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0;
+ for (strip = 0; strip < TIFFNumberOfStrips(tif); strip++) {
+ unsigned char *dat8;
+ tsize_t i, ssize;
+ ssize = TIFFStripSize(tif);
+ dat8 = (unsigned char*)buf;
+ if (image->comps[0].prec == 8){
+ for (i=0; i<ssize-2; i+=3) { // 8 bits per pixel
+ int r = 0,g = 0,b = 0;
+ if(index < imgsize){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ }
+ dat8[i+0] = r ; // R
+ dat8[i+1] = g ; // G
+ dat8[i+2] = b ; // B
+ index++;
+ last_i = i+3;
+ }else
+ break;
+ }
+ if(last_i < ssize){
+ for (i=last_i; i<ssize; i+=3) { // 8 bits per pixel
+ int r = 0,g = 0,b = 0;
+ if(index < imgsize){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ }
+ dat8[i+0] = r ; // R
+ if(i+1 <ssize) dat8[i+1] = g ; else break;// G
+ if(i+2 <ssize) dat8[i+2] = b ; else break;// B
+ index++;
+ }else
+ break;
+ }
+ }
+ }else if (image->comps[0].prec == 12){
+ for (i=0; i<ssize-8; i+=9) { // 12 bits per pixel
+ int r = 0,g = 0,b = 0;
+ int r1 = 0,g1 = 0,b1 = 0;
+ if((index < imgsize)&(index+1 < imgsize)){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ r1 = image->comps[0].data[index+1];
+ g1 = image->comps[1].data[index+1];
+ b1 = image->comps[2].data[index+1];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ r1 += adjust;
+ g1 += adjust;
+ b1 += adjust;
+ }
+ dat8[i+0] = (r >> 4);
+ dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f);
+ dat8[i+2] = g ;
+ dat8[i+3] = (b >> 4);
+ dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
+ dat8[i+5] = r1;
+ dat8[i+6] = (g1 >> 4);
+ dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);
+ dat8[i+8] = b1;
+ index+=2;
+ last_i = i+9;
+ }else
+ break;
+ }
+ if(last_i < ssize){
+ for (i= last_i; i<ssize; i+=9) { // 12 bits per pixel
+ int r = 0,g = 0,b = 0;
+ int r1 = 0,g1 = 0,b1 = 0;
+ if((index < imgsize)&(index+1 < imgsize)){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ r1 = image->comps[0].data[index+1];
+ g1 = image->comps[1].data[index+1];
+ b1 = image->comps[2].data[index+1];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ r1 += adjust;
+ g1 += adjust;
+ b1 += adjust;
+ }
+ dat8[i+0] = (r >> 4);
+ if(i+1 <ssize) dat8[i+1] = ((r & 0x0f) << 4 )|((g >> 8)& 0x0f); else break;
+ if(i+2 <ssize) dat8[i+2] = g ; else break;
+ if(i+3 <ssize) dat8[i+3] = (b >> 4); else break;
+ if(i+4 <ssize) dat8[i+4] = ((b & 0x0f) << 4 )|((r1 >> 8)& 0x0f);else break;
+ if(i+5 <ssize) dat8[i+5] = r1; else break;
+ if(i+6 <ssize) dat8[i+6] = (g1 >> 4); else break;
+ if(i+7 <ssize) dat8[i+7] = ((g1 & 0x0f)<< 4 )|((b1 >> 8)& 0x0f);else break;
+ if(i+8 <ssize) dat8[i+8] = b1; else break;
+ index+=2;
+ }else
+ break;
+ }
+ }
+ }else if (image->comps[0].prec == 16){
+ for (i=0 ; i<ssize-5 ; i+=6) { // 16 bits per pixel
+ int r = 0,g = 0,b = 0;
+ if(index < imgsize){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ }
+ 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);
+ index++;
+ last_i = i+6;
+ }else
+ break;
+ }
+ if(last_i < ssize){
+ for (i=0 ; i<ssize ; i+=6) { // 16 bits per pixel
+ int r = 0,g = 0,b = 0;
+ if(index < imgsize){
+ r = image->comps[0].data[index];
+ g = image->comps[1].data[index];
+ b = image->comps[2].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ g += adjust;
+ b += adjust;
+ }
+ 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;
+ index++;
+ }else
+ break;
+ }
+ }
+ }else{
+ fprintf(stderr,"Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
+ fprintf(stderr,"Aborting\n");
+ return 1;
+ }
+ (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
+ }
+ _TIFFfree((void*)buf);
+ TIFFClose(tif);
+ }else if (image->numcomps == 1){
+ /* -->> -->> -->>
+ Black and White
+ <<-- <<-- <<-- */
+
+ tif = TIFFOpen(outfile, "wb");
+ if (!tif) {
+ fprintf(stderr, "ERROR -> failed to open %s for writing\n", outfile);
+ return 1;
+ }
+
+ width = image->comps[0].w;
+ height = image->comps[0].h;
+ imgsize = width * height;
+ bps = image->comps[0].prec;
+
+ /* Set tags */
+ TIFFSetField(tif, TIFFTAG_IMAGEWIDTH, width);
+ TIFFSetField(tif, TIFFTAG_IMAGELENGTH, height);
+ TIFFSetField(tif, TIFFTAG_SAMPLESPERPIXEL, 1);
+ 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;
+ dat8 = (unsigned char*)buf;
+ if (image->comps[0].prec == 8){
+ for (i=0; i<TIFFStripSize(tif); i+=1) { // 8 bits per pixel
+ if(index < imgsize){
+ int r = 0;
+ r = image->comps[0].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ }
+ dat8[i+0] = r;
+ index++;
+ }else
+ break;
+ }
+ }else if (image->comps[0].prec == 12){
+ for (i = 0; i<TIFFStripSize(tif); i+=3) { // 12 bits per pixel
+ if(index < imgsize){
+ int r = 0, r1 = 0;
+ r = image->comps[0].data[index];
+ r1 = image->comps[0].data[index+1];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ r1 += adjust;
+ }
+ dat8[i+0] = (r >> 4);
+ dat8[i+1] = ((r & 0x0f) << 4 )|((r1 >> 8)& 0x0f);
+ dat8[i+2] = r1 ;
+ index+=2;
+ }else
+ break;
+ }
+ }else if (image->comps[0].prec == 16){
+ for (i=0; i<TIFFStripSize(tif); i+=2) { // 16 bits per pixel
+ if(index < imgsize){
+ int r = 0;
+ r = image->comps[0].data[index];
+ if (image->comps[0].sgnd){
+ r += adjust;
+ }
+ dat8[i+0] = r;
+ dat8[i+1] = r >> 8;
+ index++;
+ }else
+ break;
+ }
+ }else{
+ fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",image->comps[0].prec);
+ fprintf(stderr,"Aborting\n");
+ return 1;
+ }
+ (void)TIFFWriteEncodedStrip(tif, strip, (void*)buf, strip_size);
+ }
+ _TIFFfree(buf);
+ TIFFClose(tif);
+ }else{
+ fprintf(stderr,"TIFF file creation. Bad color format. Only RGB & Grayscale has been implemented\n");
+ fprintf(stderr,"Aborting\n");
+ return 1;
+ }
+ return 0;
+}
+
+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;
+ tiff_infoheader_t Info;
+ 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[3];
+ opj_image_t * image = NULL;
+ int imgsize = 0;
+
+ tif = TIFFOpen(filename, "r");
+
+ if (!tif) {
+ fprintf(stderr, "Failed to open %s for reading\n", filename);
+ return 0;
+ }
+
+ TIFFGetField(tif, TIFFTAG_IMAGEWIDTH, &Info.tiWidth);
+ TIFFGetField(tif, TIFFTAG_IMAGELENGTH, &Info.tiHeight);
+ TIFFGetField(tif, TIFFTAG_BITSPERSAMPLE, &Info.tiBps);
+ TIFFGetField(tif, TIFFTAG_SAMPLEFORMAT, &Info.tiSf);
+ TIFFGetField(tif, TIFFTAG_SAMPLESPERPIXEL, &Info.tiSpp);
+ Info.tiPhoto = 0;
+ TIFFGetField(tif, TIFFTAG_PHOTOMETRIC, &Info.tiPhoto);
+ TIFFGetField(tif, TIFFTAG_PLANARCONFIG, &Info.tiPC);
+ w= Info.tiWidth;
+ h= Info.tiHeight;
+
+ if (Info.tiPhoto == 2) {
+ /* -->> -->> -->>
+ RGB color
+ <<-- <<-- <<-- */
+
+ numcomps = 3;
+ color_space = CLRSPC_SRGB;
+ /* initialize image components*/
+ memset(&cmptparm[0], 0, 3 * sizeof(opj_image_cmptparm_t));
+ for(j = 0; j < numcomps; j++) {
+ if (parameters->cp_cinema) {
+ cmptparm[j].prec = 12;
+ cmptparm[j].bpp = 12;
+ }else{
+ cmptparm[j].prec = Info.tiBps;
+ cmptparm[j].bpp = Info.tiBps;
+ }
+ cmptparm[j].sgnd = 0;
+ cmptparm[j].dx = subsampling_dx;
+ cmptparm[j].dy = subsampling_dy;
+ cmptparm[j].w = w;
+ cmptparm[j].h = h;
+ }
+ /* create the image*/
+ 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=0;
+ 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 i, ssize;
+ ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
+ dat8 = (unsigned char*)buf;
+
+ if (Info.tiBps==12){
+ for (i=0; i<ssize; i+=9) { /*12 bits per pixel*/
+ 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;
+ }
+ }
+ else if( Info.tiBps==16){
+ for (i=0; i<ssize; i+=6) { /* 16 bits per pixel */
+ 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(parameters->cp_cinema){/* Rounding 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 ;
+ }
+ index++;
+ }else
+ break;
+ }
+ }
+ else if ( Info.tiBps==8){
+ for (i=0; i<ssize; i+=3) { /* 8 bits per pixel */
+ 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(parameters->cp_cinema){/* Rounding 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 ;
+ }
+ index++;
+ }else
+ break;
+ }
+ }
+ else{
+ fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",Info.tiBps);
+ fprintf(stderr,"Aborting\n");
+ return NULL;
+ }
+ }
+
+ _TIFFfree(buf);
+ TIFFClose(tif);
+ }else if(Info.tiPhoto == 1) {
+ /* -->> -->> -->>
+ Black and White
+ <<-- <<-- <<-- */
+
+ numcomps = 1;
+ color_space = CLRSPC_GRAY;
+ /* initialize image components*/
+ memset(&cmptparm[0], 0, sizeof(opj_image_cmptparm_t));
+ cmptparm[0].prec = Info.tiBps;
+ cmptparm[0].bpp = Info.tiBps;
+ cmptparm[0].sgnd = 0;
+ cmptparm[0].dx = subsampling_dx;
+ cmptparm[0].dy = subsampling_dy;
+ cmptparm[0].w = w;
+ cmptparm[0].h = h;
+
+ /* create the image*/
+ 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 = 0;
+ 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 i, ssize;
+ ssize = TIFFReadEncodedStrip(tif, strip, buf, strip_size);
+ dat8 = (unsigned char*)buf;
+
+ if (Info.tiBps==12){
+ for (i=0; i<ssize; i+=3) { /* 12 bits per pixel*/
+ if(index < imgsize){
+ image->comps[0].data[index] = ( dat8[i+0]<<4 ) |(dat8[i+1]>>4) ;
+ image->comps[0].data[index+1] = ((dat8[i+1]& 0x0f)<< 8) | dat8[i+2];
+ index+=2;
+ }else
+ break;
+ }
+ }
+ else if( Info.tiBps==16){
+ for (i=0; i<ssize; i+=2) { /* 16 bits per pixel */
+ if(index < imgsize){
+ image->comps[0].data[index] = ( dat8[i+1] << 8 ) | dat8[i+0];
+ index++;
+ }else
+ break;
+ }
+ }
+ else if ( Info.tiBps==8){
+ for (i=0; i<ssize; i+=1) { /* 8 bits per pixel */
+ if(index < imgsize){
+ image->comps[0].data[index] = dat8[i+0];
+ index++;
+ }else
+ break;
+ }
+ }
+ else{
+ fprintf(stderr,"TIFF file creation. Bits=%d, Only 8,12,16 bits implemented\n",Info.tiBps);
+ fprintf(stderr,"Aborting\n");
+ return NULL;
+ }
+ }
+
+ _TIFFfree(buf);
+ TIFFClose(tif);
+ }else{
+ fprintf(stderr,"TIFF file creation. Bad color format. Only RGB & Grayscale has been implemented\n");
+ fprintf(stderr,"Aborting\n");
+ return NULL;
+ }
+ return image;
+}
+
+#endif /* HAVE_LIBTIFF */
+
+/* -->> -->> -->> -->>
+
+ RAW IMAGE FORMAT
+
+ <<-- <<-- <<-- <<-- */
+
+opj_image_t* rawtoimage(const char *filename, opj_cparameters_t *parameters, raw_cparameters_t *raw_cp) {
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+
+ FILE *f = NULL;
+ int i, compno, numcomps, w, h;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t *cmptparm;
+ opj_image_t * image = NULL;
+ unsigned short ch;
+
+ if((! (raw_cp->rawWidth & raw_cp->rawHeight & raw_cp->rawComp & raw_cp->rawBitDepth)) == 0)
+ {
+ fprintf(stderr,"\nError: invalid raw image parameters\n");
+ fprintf(stderr,"Please use the Format option -F:\n");
+ fprintf(stderr,"-F rawWidth,rawHeight,rawComp,rawBitDepth,s/u (Signed/Unsigned)\n");
+ fprintf(stderr,"Example: -i lena.raw -o lena.j2k -F 512,512,3,8,u\n");
+ fprintf(stderr,"Aborting\n");
+ return NULL;
+ }
+
+ f = fopen(filename, "rb");
+ if (!f) {
+ fprintf(stderr, "Failed to open %s for reading !!\n", filename);
+ fprintf(stderr,"Aborting\n");
+ return NULL;
+ }
+ numcomps = raw_cp->rawComp;
+ color_space = CLRSPC_SRGB;
+ w = raw_cp->rawWidth;
+ h = raw_cp->rawHeight;
+ cmptparm = (opj_image_cmptparm_t*) malloc(numcomps * sizeof(opj_image_cmptparm_t));
+
+ /* initialize image components */
+ memset(&cmptparm[0], 0, numcomps * sizeof(opj_image_cmptparm_t));
+ for(i = 0; i < numcomps; i++) {
+ cmptparm[i].prec = raw_cp->rawBitDepth;
+ cmptparm[i].bpp = raw_cp->rawBitDepth;
+ cmptparm[i].sgnd = raw_cp->rawSigned;
+ cmptparm[i].dx = subsampling_dx;
+ cmptparm[i].dy = subsampling_dy;
+ cmptparm[i].w = w;
+ cmptparm[i].h = h;
+ }
+ /* create the image */
+ image = opj_image_create(numcomps, &cmptparm[0], color_space);
+ if(!image) {
+ fclose(f);
+ return NULL;
+ }
+ /* set image offset and reference grid */
+ image->x0 = parameters->image_offset_x0;
+ image->y0 = parameters->image_offset_y0;
+ image->x1 = parameters->image_offset_x0 + (w - 1) * subsampling_dx + 1;
+ image->y1 = parameters->image_offset_y0 + (h - 1) * subsampling_dy + 1;
+
+ if(raw_cp->rawBitDepth <= 8)
+ {
+ unsigned char value = 0;
+ for(compno = 0; compno < numcomps; compno++) {
+ for (i = 0; i < w * h; i++) {
+ if (!fread(&value, 1, 1, f)) {
+ fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
+ 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");
+ return NULL;
+ }
+ value = temp << 8;
+ if (!fread(&temp, 1, 1, f)) {
+ fprintf(stderr,"Error reading raw file. End of file probably reached.\n");
+ 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");
+ 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;
+ 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);
+ fwrite(&curr, sizeof(signed char), 1, rawFile);
+ 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);
+ fwrite(&curr, sizeof(unsigned char), 1, rawFile);
+ 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);
+ fwrite(&temp, 1, 1, rawFile);
+ temp = (unsigned char) curr;
+ fwrite(&temp, 1, 1, rawFile);
+ 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);
+ fwrite(&temp, 1, 1, rawFile);
+ temp = (unsigned char) curr;
+ fwrite(&temp, 1, 1, rawFile);
+ ptr++;
+ }
+ }
+ }
+ }
+ else if (image->comps[compno].prec <= 32)
+ {
+ fprintf(stderr,"More than 16 bits per component no handled yet\n");
+ return 1;
+ }
+ else
+ {
+ fprintf(stderr,"Error: invalid precision: %d\n", image->comps[compno].prec);
+ return 1;
+ }
+ }
+ fclose(rawFile);
+ return 0;
+}
+
+#ifdef HAVE_LIBPNG
+
+#define PNG_MAGIC "\x89PNG\x0d\x0a\x1a\x0a"
+#define MAGIC_SIZE 8
+/* PNG allows bits per sample: 1, 2, 4, 8, 16 */
+
+opj_image_t *pngtoimage(const char *read_idf, opj_cparameters_t * params)
+{
+ png_structp png;
+ png_infop info;
+ double gamma, display_exponent;
+ int bit_depth, interlace_type,compression_type, filter_type;
+ int unit;
+ png_uint_32 resx, resy;
+ unsigned int i, j;
+ png_uint_32 width, height;
+ int color_type, has_alpha, is16;
+ unsigned char *s;
+ FILE *reader;
+ unsigned char **rows;
+/* j2k: */
+ opj_image_t *image;
+ opj_image_cmptparm_t cmptparm[4];
+ int sub_dx, sub_dy;
+ unsigned int nr_comp;
+ int *r, *g, *b, *a;
+ unsigned char sigbuf[8];
+
+ if((reader = fopen(read_idf, "rb")) == NULL)
+ {
+ fprintf(stderr,"pngtoimage: can not open %s\n",read_idf);
+ return NULL;
+ }
+ image = NULL; png = NULL; rows = NULL;
+
+ if(fread(sigbuf, 1, MAGIC_SIZE, reader) != MAGIC_SIZE
+ || memcmp(sigbuf, PNG_MAGIC, MAGIC_SIZE) != 0)
+ {
+ fprintf(stderr,"pngtoimage: %s is no valid PNG file\n",read_idf);
+ goto fin;
+ }
+/* libpng-VERSION/example.c:
+ * PC : screen_gamma = 2.2;
+ * Mac: screen_gamma = 1.7 or 1.0;
+*/
+ display_exponent = 2.2;
+
+ if((png = png_create_read_struct(PNG_LIBPNG_VER_STRING,
+ NULL, NULL, NULL)) == NULL)
+ goto fin;
+ if((info = png_create_info_struct(png)) == NULL)
+ goto fin;
+
+ if(setjmp(png_jmpbuf(png)))
+ goto fin;
+
+ png_init_io(png, reader);
+ png_set_sig_bytes(png, MAGIC_SIZE);
+
+ png_read_info(png, info);
+
+ if(png_get_IHDR(png, info, &width, &height,
+ &bit_depth, &color_type, &interlace_type,
+ &compression_type, &filter_type) == 0)
+ goto fin;
+
+/* png_set_expand():
+ * expand paletted images to RGB, expand grayscale images of
+ * less than 8-bit depth to 8-bit depth, and expand tRNS chunks
+ * to alpha channels.
+*/
+ if(color_type == PNG_COLOR_TYPE_PALETTE)
+ png_set_expand(png);
+ else
+ if(color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
+ png_set_expand(png);
+
+ if(png_get_valid(png, info, PNG_INFO_tRNS))
+ png_set_expand(png);
+
+ is16 = (bit_depth == 16);
+
+/* GRAY => RGB; GRAY_ALPHA => RGBA
+*/
+ if(color_type == PNG_COLOR_TYPE_GRAY
+ || color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
+ {
+ png_set_gray_to_rgb(png);
+ color_type =
+ (color_type == PNG_COLOR_TYPE_GRAY? PNG_COLOR_TYPE_RGB:
+ PNG_COLOR_TYPE_RGB_ALPHA);
+ }
+ if( !png_get_gAMA(png, info, &gamma))
+ gamma = 0.45455;
+
+ png_set_gamma(png, display_exponent, gamma);
+
+ png_read_update_info(png, info);
+
+ png_get_pHYs(png, info, &resx, &resy, &unit);
+
+ color_type = png_get_color_type(png, info);
+
+ has_alpha = (color_type == PNG_COLOR_TYPE_RGB_ALPHA);
+
+ nr_comp = 3 + has_alpha;
+
+ bit_depth = png_get_bit_depth(png, info);
+
+ rows = (unsigned char**)calloc(height+1, sizeof(unsigned char*));
+ for(i = 0; i < height; ++i)
+ rows[i] = (unsigned char*)malloc(png_get_rowbytes(png,info));
+
+ png_read_image(png, rows);
+
+ memset(&cmptparm, 0, 4 * sizeof(opj_image_cmptparm_t));
+
+ sub_dx = params->subsampling_dx; sub_dy = params->subsampling_dy;
+
+ for(i = 0; i < nr_comp; ++i)
+ {
+ cmptparm[i].prec = bit_depth;
+/* bits_per_pixel: 8 or 16 */
+ cmptparm[i].bpp = bit_depth;
+ cmptparm[i].sgnd = 0;
+ cmptparm[i].dx = sub_dx;
+ cmptparm[i].dy = sub_dy;
+ cmptparm[i].w = width;
+ cmptparm[i].h = height;
+ }
+
+ image = opj_image_create(nr_comp, &cmptparm[0], CLRSPC_SRGB);
+
+ if(image == NULL) goto fin;
+
+ image->x0 = params->image_offset_x0;
+ image->y0 = params->image_offset_y0;
+ image->x1 = image->x0 + (width - 1) * sub_dx + 1 + image->x0;
+ image->y1 = image->y0 + (height - 1) * sub_dy + 1 + image->y0;
+
+ r = image->comps[0].data;
+ g = image->comps[1].data;
+ b = image->comps[2].data;
+ a = image->comps[3].data;
+
+ for(i = 0; i < height; ++i)
+ {
+ s = rows[i];
+
+ for(j = 0; j < width; ++j)
+ {
+ if(is16)
+ {
+ *r++ = s[0]<<8|s[1]; s += 2;
+
+ *g++ = s[0]<<8|s[1]; s += 2;
+
+ *b++ = s[0]<<8|s[1]; s += 2;
+
+ if(has_alpha) { *a++ = s[0]<<8|s[1]; s += 2; }
+
+ continue;
+ }
+ *r++ = *s++; *g++ = *s++; *b++ = *s++;
+
+ if(has_alpha) *a++ = *s++;
+ }
+ }
+fin:
+ if(rows)
+ {
+ for(i = 0; i < height; ++i)
+ free(rows[i]);
+ free(rows);
+ }
+ if(png)
+ png_destroy_read_struct(&png, &info, NULL);
+
+ fclose(reader);
+
+ return image;
+
+}/* pngtoimage() */
+
+int imagetopng(opj_image_t * image, const char *write_idf)
+{
+ FILE *writer;
+ png_structp png;
+ png_infop info;
+ int *red, *green, *blue, *alpha;
+ unsigned char *row_buf, *d;
+ int has_alpha, width, height, nr_comp, color_type;
+ int adjustR, adjustG, adjustB, x, y, fails, is16, force16;
+ int opj_prec, prec, ushift, dshift;
+ unsigned short mask = 0xffff;
+ png_color_8 sig_bit;
+
+ is16 = force16 = ushift = dshift = 0; fails = 1;
+ prec = opj_prec = image->comps[0].prec;
+
+ if(prec > 8 && prec < 16)
+ {
+ prec = 16; force16 = 1;
+ }
+ if(prec != 1 && prec != 2 && prec != 4 && prec != 8 && prec != 16)
+ {
+ fprintf(stderr,"imagetopng: can not create %s"
+ "\n\twrong bit_depth %d\n", write_idf, prec);
+ return fails;
+ }
+ writer = fopen(write_idf, "wb");
+
+ if(writer == NULL) return fails;
+
+ info = NULL; has_alpha = 0;
+
+/* Create and initialize the png_struct with the desired error handler
+ * functions. If you want to use the default stderr and longjump method,
+ * you can supply NULL for the last three parameters. We also check that
+ * the library version is compatible with the one used at compile time,
+ * in case we are using dynamically linked libraries. REQUIRED.
+*/
+ png = png_create_write_struct(PNG_LIBPNG_VER_STRING,
+ NULL, NULL, NULL);
+/*png_voidp user_error_ptr, user_error_fn, user_warning_fn); */
+
+ if(png == NULL) goto fin;
+
+/* Allocate/initialize the image information data. REQUIRED
+*/
+ info = png_create_info_struct(png);
+
+ if(info == NULL) goto fin;
+
+/* Set error handling. REQUIRED if you are not supplying your own
+ * error handling functions in the png_create_write_struct() call.
+*/
+ if(setjmp(png_jmpbuf(png))) goto fin;
+
+/* I/O initialization functions is REQUIRED
+*/
+ png_init_io(png, writer);
+
+/* Set the image information here. Width and height are up to 2^31,
+ * bit_depth is one of 1, 2, 4, 8, or 16, but valid values also depend on
+ * the color_type selected. color_type is one of PNG_COLOR_TYPE_GRAY,
+ * PNG_COLOR_TYPE_GRAY_ALPHA, PNG_COLOR_TYPE_PALETTE, PNG_COLOR_TYPE_RGB,
+ * or PNG_COLOR_TYPE_RGB_ALPHA. interlace is either PNG_INTERLACE_NONE or
+ * PNG_INTERLACE_ADAM7, and the compression_type and filter_type MUST
+ * currently be PNG_COMPRESSION_TYPE_BASE and PNG_FILTER_TYPE_BASE.
+ * REQUIRED
+*/
+ 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;
+
+ nr_comp = image->numcomps;
+
+ 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;
+ }
+ else
+ {
+ sig_bit.alpha = 0; alpha = NULL;
+ color_type = PNG_COLOR_TYPE_RGB;
+ }
+ 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(opj_prec < 8)
+ {
+ png_set_packing(png);
+ }
+ if(force16)
+ {
+ ushift = 16 - opj_prec; dshift = opj_prec - ushift;
+ }
+ adjustR = (image->comps[0].sgnd ? 1 << (image->comps[0].prec - 1) : 0);
+ adjustG = (image->comps[1].sgnd ? 1 << (image->comps[1].prec - 1) : 0);
+ adjustB = (image->comps[2].sgnd ? 1 << (image->comps[2].prec - 1) : 0);
+
+ row_buf = (unsigned char*)malloc(width * nr_comp * 2);
+
+ for(y = 0; y < height; ++y)
+ {
+ d = row_buf;
+
+ for(x = 0; x < width; ++x)
+ {
+ if(is16)
+ {
+/* Network byte order */
+ v = *red + adjustR; ++red;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+
+ v = *green + adjustG; ++green;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+
+ v = *blue + adjustB; ++blue;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+
+ if(has_alpha)
+ {
+ v = *alpha++;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)v;
+ }
+ continue;
+ }
+ *d++ = (unsigned char)((*red + adjustR) & mask); ++red;
+ *d++ = (unsigned char)((*green + adjustG) & mask); ++green;
+ *d++ = (unsigned char)((*blue + adjustB) & mask); ++blue;
+
+ if(has_alpha)
+ {
+ *d++ = (unsigned char)(*alpha & mask); ++alpha;
+ }
+ } /* for(x) */
+
+ png_write_row(png, row_buf);
+
+ } /* for(y) */
+ free(row_buf);
+
+ }/* nr_comp >= 3 */
+ else
+ if(nr_comp == 1 /* GRAY */
+ || ( nr_comp == 2 /* GRAY_ALPHA */
+ && image->comps[0].dx == image->comps[1].dx
+ && image->comps[0].dy == image->comps[1].dy
+ && image->comps[0].prec == image->comps[1].prec))
+ {
+ int v;
+
+ red = image->comps[0].data;
+
+ if(force16)
+ {
+ ushift = 16 - opj_prec; dshift = opj_prec - ushift;
+ }
+
+ sig_bit.gray = prec;
+ sig_bit.red = sig_bit.green = sig_bit.blue = sig_bit.alpha = 0;
+ alpha = NULL;
+ color_type = PNG_COLOR_TYPE_GRAY;
+
+ if(nr_comp == 2)
+ {
+ has_alpha = 1; sig_bit.alpha = prec;
+ alpha = image->comps[1].data;
+ color_type = PNG_COLOR_TYPE_GRAY_ALPHA;
+ }
+ 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(opj_prec < 8)
+ {
+ png_set_packing(png);
+ }
+
+ if(prec > 8)
+ {
+/* Network byte order */
+
+
+ row_buf = (unsigned char*)
+ malloc(width * nr_comp * sizeof(unsigned short));
+
+ for(y = 0; y < height; ++y)
+ {
+ d = row_buf;
+
+ for(x = 0; x < width; ++x)
+ {
+ v = *red + adjustR; ++red;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)(v & 0xff);
+
+ if(has_alpha)
+ {
+ v = *alpha++;
+
+ if(force16) { v = (v<<ushift) + (v>>dshift); }
+
+ *d++ = (unsigned char)(v>>8); *d++ = (unsigned char)(v & 0xff);
+ }
+ }/* for(x) */
+ png_write_row(png, row_buf);
+
+ } /* for(y) */
+ free(row_buf);
+ }
+ else /* prec <= 8 */
+ {
+ row_buf = (unsigned char*)calloc(width, nr_comp * 2);
+
+ for(y = 0; y < height; ++y)
+ {
+ d = row_buf;
+
+ for(x = 0; x < width; ++x)
+ {
+ *d++ = (unsigned char)((*red + adjustR) & mask); ++red;
+
+ if(has_alpha)
+ {
+ *d++ = (unsigned char)(*alpha & mask); ++alpha;
+ }
+ }/* for(x) */
+
+ png_write_row(png, row_buf);
+
+ } /* for(y) */
+ free(row_buf);
+ }
+ }
+ else
+ {
+ fprintf(stderr,"imagetopng: can not create %s\n",write_idf);
+ goto fin;
+ }
+ png_write_end(png, info);
+
+ fails = 0;
+
+fin:
+
+ if(png)
+ {
+ png_destroy_write_struct(&png, &info);
+ }
+ fclose(writer);
+
+ if(fails) remove(write_idf);
+
+ return fails;
+}/* imagetopng() */
+#endif /* HAVE_LIBPNG */
+
projects / openjpeg.git / blobdiff