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-rw-r--r--tests/openjpeg/codec/convert.c2686
1 files changed, 2686 insertions, 0 deletions
diff --git a/tests/openjpeg/codec/convert.c b/tests/openjpeg/codec/convert.c
new file mode 100644
index 00000000..25e715bf
--- /dev/null
+++ b/tests/openjpeg/codec/convert.c
@@ -0,0 +1,2686 @@
+/*
+ * 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) 2003-2007, 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
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "opj_config.h"
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.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.
+ *
+ * log2(a)
+ */
+static int int_floorlog2(int a) {
+ int l;
+ for (l = 0; a > 1; l++) {
+ a >>= 1;
+ }
+ return l;
+}
+
+/*
+ * Divide an integer by a power of 2 and round upwards.
+ *
+ * a divided by 2^b
+ */
+static int int_ceildivpow2(int a, int b) {
+ return (a + (1 << b) - 1) >> b;
+}
+
+/*
+ * Divide an integer and round upwards.
+ *
+ * a divided by b
+ */
+static int int_ceildiv(int a, int b) {
+ 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
+
+ <<-- <<-- <<-- <<-- */
+
+/* WORD defines a two byte word */
+typedef unsigned short int WORD;
+
+/* DWORD defines a four byte word */
+typedef unsigned long int DWORD;
+
+typedef struct {
+ WORD bfType; /* 'BM' for Bitmap (19776) */
+ DWORD bfSize; /* Size of the file */
+ WORD bfReserved1; /* Reserved : 0 */
+ WORD bfReserved2; /* Reserved : 0 */
+ DWORD bfOffBits; /* Offset */
+} BITMAPFILEHEADER_t;
+
+typedef struct {
+ DWORD biSize; /* Size of the structure in bytes */
+ DWORD biWidth; /* Width of the image in pixels */
+ DWORD biHeight; /* 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) */
+} BITMAPINFOHEADER_t;
+
+opj_image_t* bmptoimage(const char *filename, opj_cparameters_t *parameters) {
+ int subsampling_dx = parameters->subsampling_dx;
+ int subsampling_dy = parameters->subsampling_dy;
+
+ int i, numcomps, w, h;
+ OPJ_COLOR_SPACE color_space;
+ opj_image_cmptparm_t cmptparm[3]; /* maximum of 3 components */
+ opj_image_t * image = NULL;
+
+ FILE *IN;
+ BITMAPFILEHEADER_t File_h;
+ BITMAPINFOHEADER_t Info_h;
+ unsigned char *RGB;
+ unsigned char *table_R, *table_G, *table_B;
+ unsigned int j, PAD = 0;
+
+ int x, y, index;
+ int gray_scale = 1, not_end_file = 1;
+
+ unsigned int line = 0, col = 0;
+ unsigned char v, v2;
+ DWORD W, H;
+
+ IN = fopen(filename, "rb");
+ if (!IN) {
+ fprintf(stderr, "Failed to open %s for reading !!\n", filename);
+ return 0;
+ }
+
+ 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");
+ return 0;
+ } else {
+ /* 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;
+
+ 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));
+
+ fread(RGB, sizeof(unsigned char), (3 * W + PAD) * H, IN);
+
+ 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);
+
+ } else if (Info_h.biBitCount == 8 && Info_h.biCompression == 0) {
+ 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));
+
+ for (j = 0; j < Info_h.biClrUsed; j++) {
+ table_B[j] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = getc(IN);
+ getc(IN);
+ if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
+ 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);
+ 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));
+
+ fread(RGB, sizeof(unsigned char), W * H, IN);
+ 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);
+ } 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));
+ table_B = (unsigned char *) malloc(256 * sizeof(unsigned char));
+
+ for (j = 0; j < Info_h.biClrUsed; j++) {
+ table_B[j] = getc(IN);
+ table_G[j] = getc(IN);
+ table_R[j] = getc(IN);
+ getc(IN);
+ if (table_R[j] != table_G[j] && table_R[j] != table_B[j] && table_G[j] != table_B[j])
+ 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);
+ 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);
+
+ RGB = (unsigned char *) malloc(Info_h.biWidth * Info_h.biHeight * sizeof(unsigned char));
+
+ while (not_end_file) {
+ v = getc(IN);
+ if (v) {
+ v2 = getc(IN);
+ for (i = 0; i < (int) v; i++) {
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
+ }
+ } else {
+ v = getc(IN);
+ switch (v) {
+ case 0:
+ col = 0;
+ line++;
+ break;
+ case 1:
+ line++;
+ not_end_file = 0;
+ break;
+ case 2:
+ fprintf(stderr,"No Delta supported\n");
+ opj_image_destroy(image);
+ fclose(IN);
+ return NULL;
+ default:
+ for (i = 0; i < v; i++) {
+ v2 = getc(IN);
+ RGB[line * Info_h.biWidth + col] = v2;
+ col++;
+ }
+ if (v % 2)
+ v2 = getc(IN);
+ break;
+ }
+ }
+ }
+ if (gray_scale) {
+ index = 0;
+ for (line = 0; line < Info_h.biHeight; line++) {
+ for (col = 0; col < Info_h.biWidth; col++) {
+ image->comps[0].data[index] = table_R[(int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col]];
+ index++;
+ }
+ }
+ } else {
+ index = 0;
+ for (line = 0; line < Info_h.biHeight; line++) {
+ for (col = 0; col < Info_h.biWidth; col++) {
+ unsigned char pixel_index = (int)RGB[(Info_h.biHeight - line - 1) * Info_h.biWidth + col];
+ 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);
+ } else {
+ fprintf(stderr,
+ "Other system than 24 bits/pixels or 8 bits (no RLE coding) is not yet implemented [%d]\n", Info_h.biBitCount);
+ }
+ fclose(IN);
+ }
+
+ return image;
+}
+
+int imagetobmp(opj_image_t * image, const char *outfile) {
+ int w, h;
+ int i, pad;
+ FILE *fdest = NULL;
+ int adjustR, adjustG, adjustB;
+
+ if (image->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);
+ 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) % 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++) {
+ 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);
+ }
+
+ return 0;
+}
+
+/* -->> -->> -->> -->>
+
+PGX IMAGE FORMAT
+
+<<-- <<-- <<-- <<-- */
+
+
+unsigned char readuchar(FILE * f)
+{
+ unsigned char c1;
+ fread(&c1, 1, 1, f);
+ return c1;
+}
+
+unsigned short readushort(FILE * f, int bigendian)
+{
+ unsigned char c1, c2;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ if (bigendian)
+ return (c1 << 8) + c2;
+ else
+ return (c2 << 8) + c1;
+}
+
+unsigned int readuint(FILE * f, int bigendian)
+{
+ unsigned char c1, c2, c3, c4;
+ fread(&c1, 1, 1, f);
+ fread(&c2, 1, 1, f);
+ fread(&c3, 1, 1, f);
+ fread(&c4, 1, 1, f);
+ 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;
+
+ 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);
+ fscanf(f, "PG%[ \t]%c%c%[ \t+-]%d%[ \t]%d%[ \t]%d",temp,&endian1,&endian2,signtmp,&prec,temp,&w,temp,&h);
+
+ 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;
+ }
+ 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 N