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  • Committer: Package Import Robot
  • Author(s): Sylvestre Ledru
  • Date: 2013-05-02 13:11:51 UTC
  • Revision ID: package-import@ubuntu.com-20130502131151-q8dvteqr1ef2x7xz
Tags: upstream-1.4.1~20130504~adb56cb
Import upstream version 1.4.1~20130504~adb56cb

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tests/openjpeg/libopenjpeg/pi.c
 
1
/*
 
2
 * Copyright (c) 2002-2007, Communications and Remote Sensing Laboratory, Universite catholique de Louvain (UCL), Belgium
 
3
 * Copyright (c) 2002-2007, Professor Benoit Macq
 
4
 * Copyright (c) 2001-2003, David Janssens
 
5
 * Copyright (c) 2002-2003, Yannick Verschueren
 
6
 * Copyright (c) 2003-2007, Francois-Olivier Devaux and Antonin Descampe
 
7
 * Copyright (c) 2005, Herve Drolon, FreeImage Team
 
8
 * Copyright (c) 2006-2007, Parvatha Elangovan
 
9
 * All rights reserved.
 
10
 *
 
11
 * Redistribution and use in source and binary forms, with or without
 
12
 * modification, are permitted provided that the following conditions
 
13
 * are met:
 
14
 * 1. Redistributions of source code must retain the above copyright
 
15
 *    notice, this list of conditions and the following disclaimer.
 
16
 * 2. Redistributions in binary form must reproduce the above copyright
 
17
 *    notice, this list of conditions and the following disclaimer in the
 
18
 *    documentation and/or other materials provided with the distribution.
 
19
 *
 
20
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS `AS IS'
 
21
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 
22
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 
23
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 
24
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 
25
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 
26
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 
27
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 
28
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 
29
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 
30
 * POSSIBILITY OF SUCH DAMAGE.
 
31
 */
 
32
 
 
33
#include "opj_includes.h"
 
34
 
 
35
/** @defgroup PI PI - Implementation of a packet iterator */
 
36
/*@{*/
 
37
 
 
38
/** @name Local static functions */
 
39
/*@{*/
 
40
 
 
41
/**
 
42
Get next packet in layer-resolution-component-precinct order.
 
43
@param pi packet iterator to modify
 
44
@return returns false if pi pointed to the last packet or else returns true 
 
45
*/
 
46
static bool pi_next_lrcp(opj_pi_iterator_t * pi);
 
47
/**
 
48
Get next packet in resolution-layer-component-precinct order.
 
49
@param pi packet iterator to modify
 
50
@return returns false if pi pointed to the last packet or else returns true 
 
51
*/
 
52
static bool pi_next_rlcp(opj_pi_iterator_t * pi);
 
53
/**
 
54
Get next packet in resolution-precinct-component-layer order.
 
55
@param pi packet iterator to modify
 
56
@return returns false if pi pointed to the last packet or else returns true 
 
57
*/
 
58
static bool pi_next_rpcl(opj_pi_iterator_t * pi);
 
59
/**
 
60
Get next packet in precinct-component-resolution-layer order.
 
61
@param pi packet iterator to modify
 
62
@return returns false if pi pointed to the last packet or else returns true 
 
63
*/
 
64
static bool pi_next_pcrl(opj_pi_iterator_t * pi);
 
65
/**
 
66
Get next packet in component-precinct-resolution-layer order.
 
67
@param pi packet iterator to modify
 
68
@return returns false if pi pointed to the last packet or else returns true 
 
69
*/
 
70
static bool pi_next_cprl(opj_pi_iterator_t * pi);
 
71
 
 
72
/*@}*/
 
73
 
 
74
/*@}*/
 
75
 
 
76
/* 
 
77
==========================================================
 
78
   local functions
 
79
==========================================================
 
80
*/
 
81
 
 
82
static bool pi_next_lrcp(opj_pi_iterator_t * pi) {
 
83
        opj_pi_comp_t *comp = NULL;
 
84
        opj_pi_resolution_t *res = NULL;
 
85
        long index = 0;
 
86
        
 
87
        if (!pi->first) {
 
88
                comp = &pi->comps[pi->compno];
 
89
                res = &comp->resolutions[pi->resno];
 
90
                goto LABEL_SKIP;
 
91
        } else {
 
92
                pi->first = 0;
 
93
        }
 
94
 
 
95
        for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 
96
                for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1;
 
97
                pi->resno++) {
 
98
                        for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 
99
                                comp = &pi->comps[pi->compno];
 
100
                                if (pi->resno >= comp->numresolutions) {
 
101
                                        continue;
 
102
                                }
 
103
                                res = &comp->resolutions[pi->resno];
 
104
                                if (!pi->tp_on){
 
105
                                        pi->poc.precno1 = res->pw * res->ph;
 
106
                                }
 
107
                                for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 
108
                                        index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 
109
                                        if (!pi->include[index]) {
 
110
                                                pi->include[index] = 1;
 
111
                                                return true;
 
112
                                        }
 
113
LABEL_SKIP:;
 
114
                                }
 
115
                        }
 
116
                }
 
117
        }
 
118
        
 
119
        return false;
 
120
}
 
121
 
 
122
static bool pi_next_rlcp(opj_pi_iterator_t * pi) {
 
123
        opj_pi_comp_t *comp = NULL;
 
124
        opj_pi_resolution_t *res = NULL;
 
125
        long index = 0;
 
126
 
 
127
        if (!pi->first) {
 
128
                comp = &pi->comps[pi->compno];
 
129
                res = &comp->resolutions[pi->resno];
 
130
                goto LABEL_SKIP;
 
131
        } else {
 
132
                pi->first = 0;
 
133
        }
 
134
 
 
135
        for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 
136
                for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 
137
                        for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 
138
                                comp = &pi->comps[pi->compno];
 
139
                                if (pi->resno >= comp->numresolutions) {
 
140
                                        continue;
 
141
                                }
 
142
                                res = &comp->resolutions[pi->resno];
 
143
                                if(!pi->tp_on){
 
144
                                        pi->poc.precno1 = res->pw * res->ph;
 
145
                                }
 
146
                                for (pi->precno = pi->poc.precno0; pi->precno < pi->poc.precno1; pi->precno++) {
 
147
                                        index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 
148
                                        if (!pi->include[index]) {
 
149
                                                pi->include[index] = 1;
 
150
                                                return true;
 
151
                                        }
 
152
LABEL_SKIP:;
 
153
                                }
 
154
                        }
 
155
                }
 
156
        }
 
157
        
 
158
        return false;
 
159
}
 
160
 
 
161
static bool pi_next_rpcl(opj_pi_iterator_t * pi) {
 
162
        opj_pi_comp_t *comp = NULL;
 
163
        opj_pi_resolution_t *res = NULL;
 
164
        long index = 0;
 
165
 
 
166
        if (!pi->first) {
 
167
                goto LABEL_SKIP;
 
168
        } else {
 
169
                int compno, resno;
 
170
                pi->first = 0;
 
171
                pi->dx = 0;
 
172
                pi->dy = 0;
 
173
                for (compno = 0; compno < pi->numcomps; compno++) {
 
174
                        comp = &pi->comps[compno];
 
175
                        for (resno = 0; resno < comp->numresolutions; resno++) {
 
176
                                int dx, dy;
 
177
                                res = &comp->resolutions[resno];
 
178
                                dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 
179
                                dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 
180
                                pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 
181
                                pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 
182
                        }
 
183
                }
 
184
        }
 
185
if (!pi->tp_on){
 
186
                        pi->poc.ty0 = pi->ty0;
 
187
                        pi->poc.tx0 = pi->tx0;
 
188
                        pi->poc.ty1 = pi->ty1;
 
189
                        pi->poc.tx1 = pi->tx1;
 
190
                }
 
191
        for (pi->resno = pi->poc.resno0; pi->resno < pi->poc.resno1; pi->resno++) {
 
192
                for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 
193
                        for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 
194
                                for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 
195
                                        int levelno;
 
196
                                        int trx0, try0;
 
197
                                        int trx1, try1;
 
198
                                        int rpx, rpy;
 
199
                                        int prci, prcj;
 
200
                                        comp = &pi->comps[pi->compno];
 
201
                                        if (pi->resno >= comp->numresolutions) {
 
202
                                                continue;
 
203
                                        }
 
204
                                        res = &comp->resolutions[pi->resno];
 
205
                                        levelno = comp->numresolutions - 1 - pi->resno;
 
206
                                        trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 
207
                                        try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 
208
                                        trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 
209
                                        try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 
210
                                        rpx = res->pdx + levelno;
 
211
                                        rpy = res->pdy + levelno;
 
212
                                        if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 
213
                                                continue;       
 
214
                                        }
 
215
                                        if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 
216
                                                continue; 
 
217
                                        }
 
218
                                        
 
219
                                        if ((res->pw==0)||(res->ph==0)) continue;
 
220
                                        
 
221
                                        if ((trx0==trx1)||(try0==try1)) continue;
 
222
                                        
 
223
                                        prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) 
 
224
                                                 - int_floordivpow2(trx0, res->pdx);
 
225
                                        prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) 
 
226
                                                 - int_floordivpow2(try0, res->pdy);
 
227
                                        pi->precno = prci + prcj * res->pw;
 
228
                                        for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 
229
                                                index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 
230
                                                if (!pi->include[index]) {
 
231
                                                        pi->include[index] = 1;
 
232
                                                        return true;
 
233
                                                }
 
234
LABEL_SKIP:;
 
235
                                        }
 
236
                                }
 
237
                        }
 
238
                }
 
239
        }
 
240
        
 
241
        return false;
 
242
}
 
243
 
 
244
static bool pi_next_pcrl(opj_pi_iterator_t * pi) {
 
245
        opj_pi_comp_t *comp = NULL;
 
246
        opj_pi_resolution_t *res = NULL;
 
247
        long index = 0;
 
248
 
 
249
        if (!pi->first) {
 
250
                comp = &pi->comps[pi->compno];
 
251
                goto LABEL_SKIP;
 
252
        } else {
 
253
                int compno, resno;
 
254
                pi->first = 0;
 
255
                pi->dx = 0;
 
256
                pi->dy = 0;
 
257
                for (compno = 0; compno < pi->numcomps; compno++) {
 
258
                        comp = &pi->comps[compno];
 
259
                        for (resno = 0; resno < comp->numresolutions; resno++) {
 
260
                                int dx, dy;
 
261
                                res = &comp->resolutions[resno];
 
262
                                dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 
263
                                dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 
264
                                pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 
265
                                pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 
266
                        }
 
267
                }
 
268
        }
 
269
        if (!pi->tp_on){
 
270
                        pi->poc.ty0 = pi->ty0;
 
271
                        pi->poc.tx0 = pi->tx0;
 
272
                        pi->poc.ty1 = pi->ty1;
 
273
                        pi->poc.tx1 = pi->tx1;
 
274
                }
 
275
        for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 
276
                for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 
277
                        for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 
278
                                comp = &pi->comps[pi->compno];
 
279
                                for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 
280
                                        int levelno;
 
281
                                        int trx0, try0;
 
282
                                        int trx1, try1;
 
283
                                        int rpx, rpy;
 
284
                                        int prci, prcj;
 
285
                                        res = &comp->resolutions[pi->resno];
 
286
                                        levelno = comp->numresolutions - 1 - pi->resno;
 
287
                                        trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 
288
                                        try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 
289
                                        trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 
290
                                        try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 
291
                                        rpx = res->pdx + levelno;
 
292
                                        rpy = res->pdy + levelno;
 
293
                                        if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 
294
                                                continue;       
 
295
                                        }
 
296
                                        if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 
297
                                                continue; 
 
298
                                        }
 
299
                                        
 
300
                                        if ((res->pw==0)||(res->ph==0)) continue;
 
301
                                        
 
302
                                        if ((trx0==trx1)||(try0==try1)) continue;
 
303
                                        
 
304
                                        prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) 
 
305
                                                 - int_floordivpow2(trx0, res->pdx);
 
306
                                        prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) 
 
307
                                                 - int_floordivpow2(try0, res->pdy);
 
308
                                        pi->precno = prci + prcj * res->pw;
 
309
                                        for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 
310
                                                index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 
311
                                                if (!pi->include[index]) {
 
312
                                                        pi->include[index] = 1;
 
313
                                                        return true;
 
314
                                                }       
 
315
LABEL_SKIP:;
 
316
                                        }
 
317
                                }
 
318
                        }
 
319
                }
 
320
        }
 
321
        
 
322
        return false;
 
323
}
 
324
 
 
325
static bool pi_next_cprl(opj_pi_iterator_t * pi) {
 
326
        opj_pi_comp_t *comp = NULL;
 
327
        opj_pi_resolution_t *res = NULL;
 
328
        long index = 0;
 
329
 
 
330
        if (!pi->first) {
 
331
                comp = &pi->comps[pi->compno];
 
332
                goto LABEL_SKIP;
 
333
        } else {
 
334
                pi->first = 0;
 
335
        }
 
336
 
 
337
        for (pi->compno = pi->poc.compno0; pi->compno < pi->poc.compno1; pi->compno++) {
 
338
                int resno;
 
339
                comp = &pi->comps[pi->compno];
 
340
                pi->dx = 0;
 
341
                pi->dy = 0;
 
342
                for (resno = 0; resno < comp->numresolutions; resno++) {
 
343
                        int dx, dy;
 
344
                        res = &comp->resolutions[resno];
 
345
                        dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 
346
                        dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 
347
                        pi->dx = !pi->dx ? dx : int_min(pi->dx, dx);
 
348
                        pi->dy = !pi->dy ? dy : int_min(pi->dy, dy);
 
349
                }
 
350
                if (!pi->tp_on){
 
351
                        pi->poc.ty0 = pi->ty0;
 
352
                        pi->poc.tx0 = pi->tx0;
 
353
                        pi->poc.ty1 = pi->ty1;
 
354
                        pi->poc.tx1 = pi->tx1;
 
355
                }
 
356
                for (pi->y = pi->poc.ty0; pi->y < pi->poc.ty1; pi->y += pi->dy - (pi->y % pi->dy)) {
 
357
                        for (pi->x = pi->poc.tx0; pi->x < pi->poc.tx1; pi->x += pi->dx - (pi->x % pi->dx)) {
 
358
                                for (pi->resno = pi->poc.resno0; pi->resno < int_min(pi->poc.resno1, comp->numresolutions); pi->resno++) {
 
359
                                        int levelno;
 
360
                                        int trx0, try0;
 
361
                                        int trx1, try1;
 
362
                                        int rpx, rpy;
 
363
                                        int prci, prcj;
 
364
                                        res = &comp->resolutions[pi->resno];
 
365
                                        levelno = comp->numresolutions - 1 - pi->resno;
 
366
                                        trx0 = int_ceildiv(pi->tx0, comp->dx << levelno);
 
367
                                        try0 = int_ceildiv(pi->ty0, comp->dy << levelno);
 
368
                                        trx1 = int_ceildiv(pi->tx1, comp->dx << levelno);
 
369
                                        try1 = int_ceildiv(pi->ty1, comp->dy << levelno);
 
370
                                        rpx = res->pdx + levelno;
 
371
                                        rpy = res->pdy + levelno;
 
372
                                        if (!((pi->y % (comp->dy << rpy) == 0) || ((pi->y == pi->ty0) && ((try0 << levelno) % (1 << rpy))))){
 
373
                                                continue;       
 
374
                                        }
 
375
                                        if (!((pi->x % (comp->dx << rpx) == 0) || ((pi->x == pi->tx0) && ((trx0 << levelno) % (1 << rpx))))){
 
376
                                                continue; 
 
377
                                        }
 
378
                                        
 
379
                                        if ((res->pw==0)||(res->ph==0)) continue;
 
380
                                        
 
381
                                        if ((trx0==trx1)||(try0==try1)) continue;
 
382
                                        
 
383
                                        prci = int_floordivpow2(int_ceildiv(pi->x, comp->dx << levelno), res->pdx) 
 
384
                                                 - int_floordivpow2(trx0, res->pdx);
 
385
                                        prcj = int_floordivpow2(int_ceildiv(pi->y, comp->dy << levelno), res->pdy) 
 
386
                                                 - int_floordivpow2(try0, res->pdy);
 
387
                                        pi->precno = prci + prcj * res->pw;
 
388
                                        for (pi->layno = pi->poc.layno0; pi->layno < pi->poc.layno1; pi->layno++) {
 
389
                                                index = pi->layno * pi->step_l + pi->resno * pi->step_r + pi->compno * pi->step_c + pi->precno * pi->step_p;
 
390
                                                if (!pi->include[index]) {
 
391
                                                        pi->include[index] = 1;
 
392
                                                        return true;
 
393
                                                }
 
394
LABEL_SKIP:;
 
395
                                        }
 
396
                                }
 
397
                        }
 
398
                }
 
399
        }
 
400
        
 
401
        return false;
 
402
}
 
403
 
 
404
/* 
 
405
==========================================================
 
406
   Packet iterator interface
 
407
==========================================================
 
408
*/
 
409
 
 
410
opj_pi_iterator_t *pi_create_decode(opj_image_t *image, opj_cp_t *cp, int tileno) {
 
411
        int p, q;
 
412
        int compno, resno, pino;
 
413
        opj_pi_iterator_t *pi = NULL;
 
414
        opj_tcp_t *tcp = NULL;
 
415
        opj_tccp_t *tccp = NULL;
 
416
 
 
417
        tcp = &cp->tcps[tileno];
 
418
 
 
419
        pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 
420
        if(!pi) {
 
421
                /* TODO: throw an error */
 
422
                return NULL;
 
423
        }
 
424
 
 
425
        for (pino = 0; pino < tcp->numpocs + 1; pino++) {       /* change */
 
426
                int maxres = 0;
 
427
                int maxprec = 0;
 
428
                p = tileno % cp->tw;
 
429
                q = tileno / cp->tw;
 
430
 
 
431
                pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 
432
                pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 
433
                pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 
434
                pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 
435
                pi[pino].numcomps = image->numcomps;
 
436
 
 
437
                pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 
438
                if(!pi[pino].comps) {
 
439
                        /* TODO: throw an error */
 
440
                        pi_destroy(pi, cp, tileno);
 
441
                        return NULL;
 
442
                }
 
443
                
 
444
                for (compno = 0; compno < pi->numcomps; compno++) {
 
445
                        int tcx0, tcy0, tcx1, tcy1;
 
446
                        opj_pi_comp_t *comp = &pi[pino].comps[compno];
 
447
                        tccp = &tcp->tccps[compno];
 
448
                        comp->dx = image->comps[compno].dx;
 
449
                        comp->dy = image->comps[compno].dy;
 
450
                        comp->numresolutions = tccp->numresolutions;
 
451
 
 
452
                        comp->resolutions = (opj_pi_resolution_t*) opj_calloc(comp->numresolutions, sizeof(opj_pi_resolution_t));
 
453
                        if(!comp->resolutions) {
 
454
                                /* TODO: throw an error */
 
455
                                pi_destroy(pi, cp, tileno);
 
456
                                return NULL;
 
457
                        }
 
458
 
 
459
                        tcx0 = int_ceildiv(pi->tx0, comp->dx);
 
460
                        tcy0 = int_ceildiv(pi->ty0, comp->dy);
 
461
                        tcx1 = int_ceildiv(pi->tx1, comp->dx);
 
462
                        tcy1 = int_ceildiv(pi->ty1, comp->dy);
 
463
                        if (comp->numresolutions > maxres) {
 
464
                                maxres = comp->numresolutions;
 
465
                        }
 
466
 
 
467
                        for (resno = 0; resno < comp->numresolutions; resno++) {
 
468
                                int levelno;
 
469
                                int rx0, ry0, rx1, ry1;
 
470
                                int px0, py0, px1, py1;
 
471
                                opj_pi_resolution_t *res = &comp->resolutions[resno];
 
472
                                if (tccp->csty & J2K_CCP_CSTY_PRT) {
 
473
                                        res->pdx = tccp->prcw[resno];
 
474
                                        res->pdy = tccp->prch[resno];
 
475
                                } else {
 
476
                                        res->pdx = 15;
 
477
                                        res->pdy = 15;
 
478
                                }
 
479
                                levelno = comp->numresolutions - 1 - resno;
 
480
                                rx0 = int_ceildivpow2(tcx0, levelno);
 
481
                                ry0 = int_ceildivpow2(tcy0, levelno);
 
482
                                rx1 = int_ceildivpow2(tcx1, levelno);
 
483
                                ry1 = int_ceildivpow2(tcy1, levelno);
 
484
                                px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 
485
                                py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 
486
                                px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 
487
                                py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 
488
                                res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 
489
                                res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 
490
                                
 
491
                                if (res->pw*res->ph > maxprec) {
 
492
                                        maxprec = res->pw*res->ph;
 
493
                                }
 
494
                                
 
495
                        }
 
496
                }
 
497
                
 
498
                tccp = &tcp->tccps[0];
 
499
                pi[pino].step_p = 1;
 
500
                pi[pino].step_c = maxprec * pi[pino].step_p;
 
501
                pi[pino].step_r = image->numcomps * pi[pino].step_c;
 
502
                pi[pino].step_l = maxres * pi[pino].step_r;
 
503
                
 
504
                if (pino == 0) {
 
505
                        pi[pino].include = (short int*) opj_calloc(image->numcomps * maxres * tcp->numlayers * maxprec, sizeof(short int));
 
506
                        if(!pi[pino].include) {
 
507
                                /* TODO: throw an error */
 
508
                                pi_destroy(pi, cp, tileno);
 
509
                                return NULL;
 
510
                        }
 
511
                }
 
512
                else {
 
513
                        pi[pino].include = pi[pino - 1].include;
 
514
                }
 
515
                
 
516
                if (tcp->POC == 0) {
 
517
                        pi[pino].first = 1;
 
518
                        pi[pino].poc.resno0 = 0;
 
519
                        pi[pino].poc.compno0 = 0;
 
520
                        pi[pino].poc.layno1 = tcp->numlayers;
 
521
                        pi[pino].poc.resno1 = maxres;
 
522
                        pi[pino].poc.compno1 = image->numcomps;
 
523
                        pi[pino].poc.prg = tcp->prg;
 
524
                } else {
 
525
                        pi[pino].first = 1;
 
526
                        pi[pino].poc.resno0 = tcp->pocs[pino].resno0;
 
527
                        pi[pino].poc.compno0 = tcp->pocs[pino].compno0;
 
528
                        pi[pino].poc.layno1 = tcp->pocs[pino].layno1;
 
529
                        pi[pino].poc.resno1 = tcp->pocs[pino].resno1;
 
530
                        pi[pino].poc.compno1 = tcp->pocs[pino].compno1;
 
531
                        pi[pino].poc.prg = tcp->pocs[pino].prg;
 
532
                }
 
533
                pi[pino].poc.layno0  = 0;
 
534
                pi[pino].poc.precno0 = 0; 
 
535
                pi[pino].poc.precno1 = maxprec;
 
536
                        
 
537
        }
 
538
        
 
539
        return pi;
 
540
}
 
541
 
 
542
 
 
543
opj_pi_iterator_t *pi_initialise_encode(opj_image_t *image, opj_cp_t *cp, int tileno, J2K_T2_MODE t2_mode){ 
 
544
        int p, q, pino;
 
545
        int compno, resno;
 
546
        int maxres = 0;
 
547
        int maxprec = 0;
 
548
        opj_pi_iterator_t *pi = NULL;
 
549
        opj_tcp_t *tcp = NULL;
 
550
        opj_tccp_t *tccp = NULL;
 
551
        
 
552
        tcp = &cp->tcps[tileno];
 
553
 
 
554
        pi = (opj_pi_iterator_t*) opj_calloc((tcp->numpocs + 1), sizeof(opj_pi_iterator_t));
 
555
        if(!pi) {       return NULL;}
 
556
        pi->tp_on = cp->tp_on;
 
557
 
 
558
        for(pino = 0;pino < tcp->numpocs+1 ; pino ++){
 
559
                p = tileno % cp->tw;
 
560
                q = tileno / cp->tw;
 
561
 
 
562
                pi[pino].tx0 = int_max(cp->tx0 + p * cp->tdx, image->x0);
 
563
                pi[pino].ty0 = int_max(cp->ty0 + q * cp->tdy, image->y0);
 
564
                pi[pino].tx1 = int_min(cp->tx0 + (p + 1) * cp->tdx, image->x1);
 
565
                pi[pino].ty1 = int_min(cp->ty0 + (q + 1) * cp->tdy, image->y1);
 
566
                pi[pino].numcomps = image->numcomps;
 
567
                
 
568
                pi[pino].comps = (opj_pi_comp_t*) opj_calloc(image->numcomps, sizeof(opj_pi_comp_t));
 
569
                if(!pi[pino].comps) {
 
570
                        pi_destroy(pi, cp, tileno);
 
571
                        return NULL;
 
572
                }
 
573
                
 
574
                for (compno = 0; compno < pi[pino].numcomps; compno++) {
 
575
                        int tcx0, tcy0, tcx1, tcy1;
 
576
                        opj_pi_comp_t *comp = &pi[pino].comps[compno];
 
577
                        tccp = &tcp->tccps[compno];
 
578
                        comp->dx = image->comps[compno].dx;
 
579
                        comp->dy = image->comps[compno].dy;
 
580
                        comp->numresolutions = tccp->numresolutions;
 
581
 
 
582
                        comp->resolutions = (opj_pi_resolution_t*) opj_malloc(comp->numresolutions * sizeof(opj_pi_resolution_t));
 
583
                        if(!comp->resolutions) {
 
584
                                pi_destroy(pi, cp, tileno);
 
585
                                return NULL;
 
586
                        }
 
587
 
 
588
                        tcx0 = int_ceildiv(pi[pino].tx0, comp->dx);
 
589
                        tcy0 = int_ceildiv(pi[pino].ty0, comp->dy);
 
590
                        tcx1 = int_ceildiv(pi[pino].tx1, comp->dx);
 
591
                        tcy1 = int_ceildiv(pi[pino].ty1, comp->dy);
 
592
                        if (comp->numresolutions > maxres) {
 
593
                                maxres = comp->numresolutions;
 
594
                        }
 
595
 
 
596
                        for (resno = 0; resno < comp->numresolutions; resno++) {
 
597
                                int levelno;
 
598
                                int rx0, ry0, rx1, ry1;
 
599
                                int px0, py0, px1, py1;
 
600
                                opj_pi_resolution_t *res = &comp->resolutions[resno];
 
601
                                if (tccp->csty & J2K_CCP_CSTY_PRT) {
 
602
                                        res->pdx = tccp->prcw[resno];
 
603
                                        res->pdy = tccp->prch[resno];
 
604
                                } else {
 
605
                                        res->pdx = 15;
 
606
                                        res->pdy = 15;
 
607
                                }
 
608
                                levelno = comp->numresolutions - 1 - resno;
 
609
                                rx0 = int_ceildivpow2(tcx0, levelno);
 
610
                                ry0 = int_ceildivpow2(tcy0, levelno);
 
611
                                rx1 = int_ceildivpow2(tcx1, levelno);
 
612
                                ry1 = int_ceildivpow2(tcy1, levelno);
 
613
                                px0 = int_floordivpow2(rx0, res->pdx) << res->pdx;
 
614
                                py0 = int_floordivpow2(ry0, res->pdy) << res->pdy;
 
615
                                px1 = int_ceildivpow2(rx1, res->pdx) << res->pdx;
 
616
                                py1 = int_ceildivpow2(ry1, res->pdy) << res->pdy;
 
617
                                res->pw = (rx0==rx1)?0:((px1 - px0) >> res->pdx);
 
618
                                res->ph = (ry0==ry1)?0:((py1 - py0) >> res->pdy);
 
619
 
 
620
                                if (res->pw*res->ph > maxprec) {
 
621
                                        maxprec = res->pw * res->ph;
 
622
                                }
 
623
                        }
 
624
                }
 
625
                
 
626
                tccp = &tcp->tccps[0];
 
627
                pi[pino].step_p = 1;
 
628
                pi[pino].step_c = maxprec * pi[pino].step_p;
 
629
                pi[pino].step_r = image->numcomps * pi[pino].step_c;
 
630
                pi[pino].step_l = maxres * pi[pino].step_r;
 
631
                
 
632
                for (compno = 0; compno < pi->numcomps; compno++) {
 
633
                        opj_pi_comp_t *comp = &pi->comps[compno];
 
634
                        for (resno = 0; resno < comp->numresolutions; resno++) {
 
635
                                int dx, dy;
 
636
                                opj_pi_resolution_t *res = &comp->resolutions[resno];
 
637
                                dx = comp->dx * (1 << (res->pdx + comp->numresolutions - 1 - resno));
 
638
                                dy = comp->dy * (1 << (res->pdy + comp->numresolutions - 1 - resno));
 
639
                                pi[pino].dx = !pi->dx ? dx : int_min(pi->dx, dx);
 
640
                                pi[pino].dy = !pi->dy ? dy : int_min(pi->dy, dy);
 
641
                        }
 
642
                }
 
643
 
 
644
                if (pino == 0) {
 
645
                        pi[pino].include = (short int*) opj_calloc(tcp->numlayers * pi[pino].step_l, sizeof(short int));
 
646
                        if(!pi[pino].include) {
 
647
                                pi_destroy(pi, cp, tileno);
 
648
                                return NULL;
 
649
                        }
 
650
                }
 
651
                else {
 
652
                        pi[pino].include = pi[pino - 1].include;
 
653
                }
 
654
                
 
655
                /* Generation of boundaries for each prog flag*/
 
656
                        if(tcp->POC && ( cp->cinema || ((!cp->cinema) && (t2_mode == FINAL_PASS)))){
 
657
                                tcp->pocs[pino].compS= tcp->pocs[pino].compno0;
 
658
                                tcp->pocs[pino].compE= tcp->pocs[pino].compno1;
 
659
                                tcp->pocs[pino].resS = tcp->pocs[pino].resno0;
 
660
                                tcp->pocs[pino].resE = tcp->pocs[pino].resno1;
 
661
                                tcp->pocs[pino].layE = tcp->pocs[pino].layno1;
 
662
                                tcp->pocs[pino].prg  = tcp->pocs[pino].prg1;
 
663
                                if (pino > 0)
 
664
                                        tcp->pocs[pino].layS = (tcp->pocs[pino].layE > tcp->pocs[pino - 1].layE) ? tcp->pocs[pino - 1].layE : 0;
 
665
                        }else {
 
666
                                tcp->pocs[pino].compS= 0;
 
667
                                tcp->pocs[pino].compE= image->numcomps;
 
668
                                tcp->pocs[pino].resS = 0;
 
669
                                tcp->pocs[pino].resE = maxres;
 
670
                                tcp->pocs[pino].layS = 0;
 
671
                                tcp->pocs[pino].layE = tcp->numlayers;
 
672
                                tcp->pocs[pino].prg  = tcp->prg;
 
673
                        }
 
674
                        tcp->pocs[pino].prcS = 0;
 
675
                        tcp->pocs[pino].prcE = maxprec;;
 
676
                        tcp->pocs[pino].txS = pi[pino].tx0;
 
677
                        tcp->pocs[pino].txE = pi[pino].tx1;
 
678
                        tcp->pocs[pino].tyS = pi[pino].ty0;
 
679
                        tcp->pocs[pino].tyE = pi[pino].ty1;
 
680
                        tcp->pocs[pino].dx = pi[pino].dx;
 
681
                        tcp->pocs[pino].dy = pi[pino].dy;
 
682
                }
 
683
                        return pi;
 
684
        }
 
685
 
 
686
 
 
687
 
 
688
void pi_destroy(opj_pi_iterator_t *pi, opj_cp_t *cp, int tileno) {
 
689
        int compno, pino;
 
690
        opj_tcp_t *tcp = &cp->tcps[tileno];
 
691
        if(pi) {
 
692
                for (pino = 0; pino < tcp->numpocs + 1; pino++) {       
 
693
                        if(pi[pino].comps) {
 
694
                                for (compno = 0; compno < pi->numcomps; compno++) {
 
695
                                        opj_pi_comp_t *comp = &pi[pino].comps[compno];
 
696
                                        if(comp->resolutions) {
 
697
                                                opj_free(comp->resolutions);
 
698
                                        }
 
699
                                }
 
700
                                opj_free(pi[pino].comps);
 
701
                        }
 
702
                }
 
703
                if(pi->include) {
 
704
                        opj_free(pi->include);
 
705
                }
 
706
                opj_free(pi);
 
707
        }
 
708
}
 
709
 
 
710
bool pi_next(opj_pi_iterator_t * pi) {
 
711
        switch (pi->poc.prg) {
 
712
                case LRCP:
 
713
                        return pi_next_lrcp(pi);
 
714
                case RLCP:
 
715
                        return pi_next_rlcp(pi);
 
716
                case RPCL:
 
717
                        return pi_next_rpcl(pi);
 
718
                case PCRL:
 
719
                        return pi_next_pcrl(pi);
 
720
                case CPRL:
 
721
                        return pi_next_cprl(pi);
 
722
                case PROG_UNKNOWN:
 
723
                        return false;
 
724
        }
 
725
        
 
726
        return false;
 
727
}
 
728
 
 
729
bool pi_create_encode( opj_pi_iterator_t *pi, opj_cp_t *cp,int tileno, int pino,int tpnum, int tppos, J2K_T2_MODE t2_mode,int cur_totnum_tp){
 
730
        char prog[4];
 
731
        int i;
 
732
        int incr_top=1,resetX=0;
 
733
        opj_tcp_t *tcps =&cp->tcps[tileno];
 
734
        opj_poc_t *tcp= &tcps->pocs[pino];
 
735
 
 
736
        pi[pino].first = 1;
 
737
        pi[pino].poc.prg = tcp->prg;
 
738
 
 
739
        switch(tcp->prg){
 
740
                case CPRL: strncpy(prog, "CPRL",4);
 
741
                        break;
 
742
                case LRCP: strncpy(prog, "LRCP",4);
 
743
                        break;
 
744
                case PCRL: strncpy(prog, "PCRL",4);
 
745
                        break;
 
746
                case RLCP: strncpy(prog, "RLCP",4);
 
747
                        break;
 
748
                case RPCL: strncpy(prog, "RPCL",4);
 
749
                        break;
 
750
                case PROG_UNKNOWN: 
 
751
                        return true;
 
752
        }
 
753
 
 
754
        if(!(cp->tp_on && ((!cp->cinema && (t2_mode == FINAL_PASS)) || cp->cinema))){
 
755
                pi[pino].poc.resno0 = tcp->resS;
 
756
                pi[pino].poc.resno1 = tcp->resE;
 
757
                pi[pino].poc.compno0 = tcp->compS;
 
758
                pi[pino].poc.compno1 = tcp->compE;
 
759
                pi[pino].poc.layno0 = tcp->layS;
 
760
                pi[pino].poc.layno1 = tcp->layE;
 
761
                pi[pino].poc.precno0 = tcp->prcS;
 
762
                pi[pino].poc.precno1 = tcp->prcE;
 
763
                pi[pino].poc.tx0 = tcp->txS;
 
764
                pi[pino].poc.ty0 = tcp->tyS;
 
765
                pi[pino].poc.tx1 = tcp->txE;
 
766
                pi[pino].poc.ty1 = tcp->tyE;
 
767
        }else {
 
768
                if( tpnum < cur_totnum_tp){
 
769
                        for(i=3;i>=0;i--){
 
770
                                switch(prog[i]){
 
771
                                case 'C':
 
772
                                        if (i > tppos){
 
773
                                                pi[pino].poc.compno0 = tcp->compS;
 
774
                                                pi[pino].poc.compno1 = tcp->compE;
 
775
                                        }else{
 
776
                                                if (tpnum == 0){
 
777
                                                        tcp->comp_t = tcp->compS;
 
778
                                                        pi[pino].poc.compno0 = tcp->comp_t;
 
779
                                                        pi[pino].poc.compno1 = tcp->comp_t+1;
 
780
                                                        tcp->comp_t+=1;
 
781
                                                }else{
 
782
                                                        if (incr_top == 1){
 
783
                                                                if(tcp->comp_t ==tcp->compE){
 
784
                                                                        tcp->comp_t = tcp->compS;
 
785
                                                                        pi[pino].poc.compno0 = tcp->comp_t;
 
786
                                                                        pi[pino].poc.compno1 = tcp->comp_t+1;
 
787
                                                                        tcp->comp_t+=1;
 
788
                                                                        incr_top=1;
 
789
                                                                }else{
 
790
                                                                        pi[pino].poc.compno0 = tcp->comp_t;
 
791
                                                                        pi[pino].poc.compno1 = tcp->comp_t+1;
 
792
                                                                        tcp->comp_t+=1;
 
793
                                                                        incr_top=0;
 
794
                                                                }
 
795
                                                        }else{
 
796
                                                                pi[pino].poc.compno0 = tcp->comp_t-1;
 
797
                                                                pi[pino].poc.compno1 = tcp->comp_t;
 
798
                                                        }
 
799
                                                }
 
800
                                        }
 
801
                                        break;
 
802
 
 
803
                                case 'R':
 
804
                                        if (i > tppos){
 
805
                                                pi[pino].poc.resno0 = tcp->resS;
 
806
                                                pi[pino].poc.resno1 = tcp->resE;
 
807
                                        }else{
 
808
                                                if (tpnum == 0){
 
809
                                                        tcp->res_t = tcp->resS;
 
810
                                                        pi[pino].poc.resno0 = tcp->res_t;
 
811
                                                        pi[pino].poc.resno1 = tcp->res_t+1;
 
812
                                                        tcp->res_t+=1;
 
813
                                                }else{
 
814
                                                        if (incr_top == 1){
 
815
                                                                if(tcp->res_t==tcp->resE){
 
816
                                                                        tcp->res_t = tcp->resS;
 
817
                                                                        pi[pino].poc.resno0 = tcp->res_t;
 
818
                                                                        pi[pino].poc.resno1 = tcp->res_t+1;
 
819
                                                                        tcp->res_t+=1;
 
820
                                                                        incr_top=1;
 
821
                                                                }else{
 
822
                                                                        pi[pino].poc.resno0 = tcp->res_t;
 
823
                                                                        pi[pino].poc.resno1 = tcp->res_t+1;
 
824
                                                                        tcp->res_t+=1;
 
825
                                                                        incr_top=0;
 
826
                                                                }
 
827
                                                        }else{
 
828
                                                                pi[pino].poc.resno0 = tcp->res_t - 1;
 
829
                                                                pi[pino].poc.resno1 = tcp->res_t;
 
830
                                                        }
 
831
                                                }
 
832
                                        }
 
833
                                        break;
 
834
 
 
835
                                case 'L':
 
836
                                        if (i > tppos){
 
837
                                                pi[pino].poc.layno0 = tcp->layS;
 
838
                                                pi[pino].poc.layno1 = tcp->layE;
 
839
                                        }else{
 
840
                                                if (tpnum == 0){
 
841
                                                        tcp->lay_t = tcp->layS;
 
842
                                                        pi[pino].poc.layno0 = tcp->lay_t;
 
843
                                                        pi[pino].poc.layno1 = tcp->lay_t+1;
 
844
                                                        tcp->lay_t+=1;
 
845
                                                }else{
 
846
                                                        if (incr_top == 1){
 
847
                                                                if(tcp->lay_t == tcp->layE){
 
848
                                                                        tcp->lay_t = tcp->layS;
 
849
                                                                        pi[pino].poc.layno0 = tcp->lay_t;
 
850
                                                                        pi[pino].poc.layno1 = tcp->lay_t+1;
 
851
                                                                        tcp->lay_t+=1;
 
852
                                                                        incr_top=1;
 
853
                                                                }else{
 
854
                                                                        pi[pino].poc.layno0 = tcp->lay_t;
 
855
                                                                        pi[pino].poc.layno1 = tcp->lay_t+1;
 
856
                                                                        tcp->lay_t+=1;
 
857
                                                                        incr_top=0;
 
858
                                                                }
 
859
                                                        }else{
 
860
                                                                pi[pino].poc.layno0 = tcp->lay_t - 1;
 
861
                                                                pi[pino].poc.layno1 = tcp->lay_t;
 
862
                                                        }
 
863
                                                }
 
864
                                        }
 
865
                                        break;
 
866
 
 
867
                                case 'P':
 
868
                                        switch(tcp->prg){
 
869
                                                case LRCP:
 
870
                                                case RLCP:
 
871
                                                        if (i > tppos){
 
872
                                                                pi[pino].poc.precno0 = tcp->prcS;
 
873
                                                                pi[pino].poc.precno1 = tcp->prcE;
 
874
                                                        }else{
 
875
                                                                if (tpnum == 0){
 
876
                                                                        tcp->prc_t = tcp->prcS;
 
877
                                                                        pi[pino].poc.precno0 = tcp->prc_t;
 
878
                                                                        pi[pino].poc.precno1 = tcp->prc_t+1;
 
879
                                                                        tcp->prc_t+=1; 
 
880
                                                                }else{
 
881
                                                                        if (incr_top == 1){
 
882
                                                                                if(tcp->prc_t == tcp->prcE){
 
883
                                                                                        tcp->prc_t = tcp->prcS;
 
884
                                                                                        pi[pino].poc.precno0 = tcp->prc_t;
 
885
                                                                                        pi[pino].poc.precno1 = tcp->prc_t+1;
 
886
                                                                                        tcp->prc_t+=1;
 
887
                                                                                        incr_top=1;
 
888
                                                                                }else{
 
889
                                                                                        pi[pino].poc.precno0 = tcp->prc_t;
 
890
                                                                                        pi[pino].poc.precno1 = tcp->prc_t+1;
 
891
                                                                                        tcp->prc_t+=1;
 
892
                                                                                        incr_top=0;
 
893
                                                                                }
 
894
                                                                        }else{
 
895
                                                                                pi[pino].poc.precno0 = tcp->prc_t - 1;
 
896
                                                                                pi[pino].poc.precno1 = tcp->prc_t;
 
897
                                                                        }
 
898
                                                                }
 
899
                                                        }
 
900
                                                break;
 
901
                                                default:
 
902
                                                        if (i > tppos){
 
903
                                                                pi[pino].poc.tx0 = tcp->txS;
 
904
                                                                pi[pino].poc.ty0 = tcp->tyS;
 
905
                                                                pi[pino].poc.tx1 = tcp->txE;
 
906
                                                                pi[pino].poc.ty1 = tcp->tyE;
 
907
                                                        }else{
 
908
                                                                if (tpnum == 0){
 
909
                                                                        tcp->tx0_t = tcp->txS;
 
910
                                                                        tcp->ty0_t = tcp->tyS;
 
911
                                                                        pi[pino].poc.tx0 = tcp->tx0_t;
 
912
                                                                        pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx - (tcp->tx0_t % tcp->dx);
 
913
                                                                        pi[pino].poc.ty0 = tcp->ty0_t;
 
914
                                                                        pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
 
915
                                                                        tcp->tx0_t = pi[pino].poc.tx1;
 
916
                                                                        tcp->ty0_t = pi[pino].poc.ty1;
 
917
                                                                }else{
 
918
                                                                        if (incr_top == 1){
 
919
                                                                                if(tcp->tx0_t >= tcp->txE){
 
920
                                                                                        if(tcp->ty0_t >= tcp->tyE){
 
921
                                                                                                tcp->ty0_t = tcp->tyS;
 
922
                                                                                                pi[pino].poc.ty0 = tcp->ty0_t;
 
923
                                                                                                pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
 
924
                                                                                                tcp->ty0_t = pi[pino].poc.ty1;
 
925
                                                                                                incr_top=1;resetX=1;
 
926
                                                                                        }else{
 
927
                                                                                                pi[pino].poc.ty0 = tcp->ty0_t;
 
928
                                                                                                pi[pino].poc.ty1 = tcp->ty0_t + tcp->dy - (tcp->ty0_t % tcp->dy);
 
929
                                                                                                tcp->ty0_t = pi[pino].poc.ty1;
 
930
                                                                                                incr_top=0;resetX=1;
 
931
                                                                                        }
 
932
                                                                                        if(resetX==1){
 
933
                                                                                                tcp->tx0_t = tcp->txS;
 
934
                                                                                                pi[pino].poc.tx0 = tcp->tx0_t;
 
935
                                                                                                pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
 
936
                                                                                                tcp->tx0_t = pi[pino].poc.tx1;
 
937
                                                                                        }
 
938
                                                                                }else{
 
939
                                                                                        pi[pino].poc.tx0 = tcp->tx0_t;
 
940
                                                                                        pi[pino].poc.tx1 = tcp->tx0_t + tcp->dx- (tcp->tx0_t % tcp->dx);
 
941
                                                                                        tcp->tx0_t = pi[pino].poc.tx1;
 
942
                                                                                        pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
 
943
                                                                                        pi[pino].poc.ty1 = tcp->ty0_t ;
 
944
                                                                                        incr_top=0;
 
945
                                                                                }
 
946
                                                                        }else{
 
947
                                                                                pi[pino].poc.tx0 = tcp->tx0_t - tcp->dx - (tcp->tx0_t % tcp->dx);
 
948
                                                                                pi[pino].poc.tx1 = tcp->tx0_t ;
 
949
                                                                                pi[pino].poc.ty0 = tcp->ty0_t - tcp->dy - (tcp->ty0_t % tcp->dy);
 
950
                                                                                pi[pino].poc.ty1 = tcp->ty0_t ;
 
951
                                                                        }
 
952
                                                                }
 
953
                                                        }
 
954
                                                break;
 
955
                                                }
 
956
                                                break;
 
957
                                }               
 
958
                        } 
 
959
                }
 
960
        }       
 
961
        return false;
 
962
}
 
963