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diff --git a/indexer_JPIP/tcd.h b/indexer_JPIP/tcd.h
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+/*
+ * Copyright (c) 2001-2002, David Janssens
+ * Copyright (c) 2003, Yannick Verschueren
+ * Copyright (c) 2003,  Communications and remote sensing Laboratory, Universite catholique de Louvain, Belgium
+ * 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.
+ */
+
+#ifndef __TCD_H
+#define __TCD_H
+
+#include "j2k.h"
+#include "tgt.h"
+
+typedef struct {
+    int numpasses;
+    int len;
+    unsigned char *data;
+    int maxpasses;
+    int numnewpasses;
+    int newlen;
+} tcd_seg_t;
+
+typedef struct {
+    int rate;
+    double distortiondec;
+} tcd_pass_t;
+
+typedef struct {
+    int numpasses;
+    int len;
+    unsigned char *data;
+} tcd_layer_t;
+
+typedef struct {
+    int x0, y0, x1, y1;
+    int numbps;
+    int numlenbits;
+    int len;
+    int numpasses;
+    int numnewpasses;
+    int numsegs;
+    tcd_seg_t segs[100];
+    unsigned char data[8192];
+    int numpassesinlayers;
+    tcd_layer_t layers[100];
+    int totalpasses;
+    tcd_pass_t passes[100];
+} tcd_cblk_t;
+
+typedef struct {
+    int x0, y0, x1, y1;
+    int cw, ch;
+    tcd_cblk_t *cblks;
+    tgt_tree_t *incltree;
+    tgt_tree_t *imsbtree;
+} tcd_precinct_t;
+
+typedef struct {
+    int x0, y0, x1, y1;
+    int bandno;
+    tcd_precinct_t *precincts;
+    int numbps;
+    int stepsize;
+} tcd_band_t;
+
+typedef struct {
+    int x0, y0, x1, y1;  
+  int previous_x0, previous_y0, previous_x1, previous_y1; // usefull for the DWT
+  int cas_col, cas_row; // usefull for the DWT
+    int pw, ph;
+    int numbands;
+    tcd_band_t bands[3];
+} tcd_resolution_t;
+
+typedef struct {
+    int x0, y0, x1, y1;
+  int previous_row, previous_col; // usefull for the DWT
+    int numresolutions;
+    tcd_resolution_t *resolutions;
+    int *data;
+} tcd_tilecomp_t;
+
+typedef struct {
+    int x0, y0, x1, y1;
+    int numcomps;
+  //int PPT;
+  //int len_ppt;
+    tcd_tilecomp_t *comps;
+} tcd_tile_t;
+
+typedef struct {
+    int tw, th;
+    tcd_tile_t *tiles;
+} tcd_image_t;
+
+/*
+ * Initialize the tile coder/decoder
+ * img: raw image
+ * cp: coding parameters
+ * imgg: creation of index file
+ */
+
+void tcd_init(j2k_image_t *img, j2k_cp_t *cp, info_image_t *imgg);
+
+void tcd_free(j2k_image_t *img, j2k_cp_t *cp);
+
+/*
+ * Decode a tile from a buffer into a raw image
+ * src: source buffer
+ * len: length of the source buffer
+ * tileno: number that identifies the tile that will be decoded
+ * imgg : Structure for index file
+ */
+int tcd_decode_tile(unsigned char *src, int len, int tileno, info_image_t *imgg);
+
+#endif