src/swfbbox.c

   1 /* swfbbox.c
   2    Tool for playing around with SWF bounding boxes.
   3
   4    Part of the swftools package.
   5
   6    Copyright (c) 2003 Matthias Kramm <kramm@quiss.org>
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 2 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
  21
  22 #include "../config.h"
  23 #include <stdio.h>
  24 #include <stdarg.h>
  25 #include <assert.h>
  26 #include <unistd.h>
  27 #include <fcntl.h>
  28 #include "../lib/rfxswf.h"
  29 #include "../lib/args.h"
  30 #include "../lib/log.h"
  31
  32 static char * filename = 0;
  33 static char * outfilename = "output.swf";
  34 static int optimize = 0;
  35 static int swifty = 0;
  36 static int verbose = 0;
  37 static int showbbox = 0;
  38 static int showorigbbox = 1;
  39 static int expand = 0;
  40 static int clip = 0;
  41 static int checkclippings = 0;
  42
  43 static struct options_t options[] = {
  44 {"h", "help"},
  45 {"b", "bbox"},
  46 {"B", "newbbox"},
  47 {"e", "expand"},
  48 {"O", "optimize"},
  49 {"S", "swifty"},
  50 {"c", "clip"},
  51 {"o", "output"},
  52 {"v", "verbose"},
  53 {"V", "version"},
  54 {0,0}
  55 };
  56
  57 int args_callback_option(char*name,char*val)
  58 {
  59     if(!strcmp(name, "V")) {
  60         printf("swfbbox - part of %s %s\n", PACKAGE, VERSION);
  61         exit(0);
  62     }
  63     else if(!strcmp(name, "b")) {
  64         showorigbbox = 2;
  65         if(showbbox == 1) showbbox = 0;
  66         return 0;
  67     }
  68     else if(!strcmp(name, "B")) {
  69         showbbox = 2;
  70         return 0;
  71     }
  72     else if(!strcmp(name, "O")) {
  73         optimize = 1;
  74         if(showorigbbox == 1) showorigbbox = 0;
  75         return 0;
  76     }
  77     else if(!strcmp(name, "S")) {
  78         swifty = 1;
  79         if(showorigbbox == 1) showorigbbox = 0;
  80         return 0;
  81     }
  82     else if(!strcmp(name, "c")) {
  83         if(showorigbbox == 1) showorigbbox = 0;
  84         clip = 1;
  85         return 0;
  86     }
  87     else if(!strcmp(name, "v")) {
  88         verbose ++;
  89         return 0;
  90     }
  91     else if(!strcmp(name, "q")) {
  92         if(verbose)
  93             verbose --;
  94         return 0;
  95     }
  96     else if(!strcmp(name, "Q")) {
  97         /* DEPRECATED- was used for testing the bbox-clip feature
  98            of pdf2swf */
  99         if(showorigbbox == 1) showorigbbox = 0;
 100         checkclippings = 1;
 101         return 0;
 102     }
 103     else if(!strcmp(name, "e")) {
 104         expand = 1;
 105         return 0;
 106     }
 107     else if(!strcmp(name, "o")) {
 108         outfilename = val;
 109         return 1;
 110     }
 111     else {
 112         printf("Unknown option: -%s\n", name);
 113         exit(1);
 114     }
 115
 116     return 0;
 117 }
 118 int args_callback_longoption(char*name,char*val)
 119 {
 120     return args_long2shortoption(options, name, val);
 121 }
 122 void args_callback_usage(char *name)
 123 {
 124     printf("\n");
 125     printf("Usage: %s [-OS] file.swf\n", name);
 126     printf("\n");
 127     printf("-h , --help                    Print help and exit\n");
 128     printf("-b , --bbox                    Show movie bounding box (default)\n");
 129     printf("-B , --newbbox                 Show recalculated (optimized/expanded) bounding box\n");
 130     printf("-e , --expand                  Write out a new file using the recalculated header bounding box\n");
 131     printf("-O , --optimize                Recalculate all object bounding boxes (except for the header)\n");
 132     printf("-S , --swifty                  Print out transformed bounding boxes\n");
 133     printf("-c , --clip                    Clip bounding boxes to movie size\n");
 134     printf("-o , --output <filename>       Set output filename to <filename> (for -O)\n");
 135     printf("-v , --verbose                 Be more verbose\n");
 136     printf("-V , --version                 Print program version and exit\n");
 137     printf("\n");
 138 }
 139 int args_callback_command(char*name,char*val)
 140 {
 141     if(filename) {
 142         fprintf(stderr, "Only one file allowed. You supplied at least two. (%s and %s)\n",
 143                  filename, name);
 144     }
 145     filename = name;
 146     return 0;
 147 }
 148
 149 #define swf_ResetReadBits(tag)   if (tag->readBit)  { tag->pos++; tag->readBit = 0; }
 150
 151 void swf_Shape2Optimize(SHAPE2*shape)
 152 {
 153     if(!shape->bbox)
 154         shape->bbox = malloc(sizeof(SRECT));
 155     *(shape->bbox) = swf_GetShapeBoundingBox(shape);
 156 }
 157
 158 /*
 159    {char {x1 y1 x2 y2 x3 y3 x4 y4]]
 160 */
 161
 162 SRECT bboxes[65536];
 163 U16 depth2id[65536];
 164 char*depth2name[65536];
 165
 166 int hasid(TAG*tag)
 167 {
 168     if(tag->id == ST_PLACEOBJECT)
 169         return 1;
 170     if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 2))
 171         return 1;
 172     if(tag->id == ST_PLACEOBJECT3 && (tag->data[0] & 2))
 173         return 1;
 174     return 0;
 175 }
 176
 177 int hasname(TAG*tag)
 178 {
 179     if(tag->id == ST_PLACEOBJECT)
 180         return 0;
 181     if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20))
 182         return 1;
 183     if(tag->id == ST_PLACEOBJECT3 && (tag->data[0] & 0x20))
 184         return 1;
 185     return 0;
 186 }
 187
 188 char* getname(TAG*tag)
 189 {
 190     if(tag->id == ST_PLACEOBJECT)
 191         return 0;
 192     if(tag->id == ST_PLACEOBJECT2 && (tag->data[0] & 0x20)) {
 193         SWFPLACEOBJECT o;
 194         tag->pos = 0;tag->readBit = 0;
 195         swf_GetPlaceObject(tag, &o);
 196         return o.name;
 197     }
 198     if(tag->id == ST_PLACEOBJECT3 && (tag->data[0] & 0x20)) {
 199         SWFPLACEOBJECT o;
 200         tag->pos = 0;tag->readBit = 0;
 201         swf_GetPlaceObject(tag, &o);
 202         return o.name;
 203     }
 204     return 0;
 205 }
 206
 207 MATRIX getmatrix(TAG*tag)
 208 {
 209     SWFPLACEOBJECT o;
 210     tag->pos = 0;tag->readBit = 0;
 211     swf_GetPlaceObject(tag, &o);
 212     return o.matrix;
 213 }
 214
 215
 216 static int fontnum = -1;
 217 static SWFFONT**fonts;
 218 static SWF*c_swf;
 219 static void fontcallback1(void*self, U16 id,U8 * name)
 220 { fontnum++;
 221 }
 222 static void fontcallback2(void*self, U16 id,U8 * name)
 223 {
 224     fonts[fontnum] = 0;
 225     swf_FontExtract(c_swf,id,&fonts[fontnum]);
 226     if(verbose) {
 227         if(fonts[fontnum]) printf("Extracting font %d (%s)\n", id, name);
 228         else               printf("Extracting font %d (%s) failed\n", id, name);
 229         fflush(stdout);
 230     }
 231     fontnum++;
 232 }
 233 typedef struct _textbounds
 234 {
 235     SRECT r;
 236     MATRIX m; // character transform matrix
 237 } textbounds_t;
 238
 239 typedef struct _placement
 240 {
 241     SWFPLACEOBJECT* po;
 242     int num;
 243 } placement_t;
 244
 245 static placement_t* placements;
 246
 247 static placement_t* readPlacements(SWF*swf)
 248 {
 249     placement_t* p = (placement_t*)rfx_calloc(sizeof(placement_t)*65536);
 250     TAG*tag = swf->firstTag;
 251     while(tag) {
 252         if(swf_isPlaceTag(tag)) {
 253             SWFPLACEOBJECT*po = rfx_alloc(sizeof(SWFPLACEOBJECT));
 254             int id;
 255             swf_GetPlaceObject(tag, po);
 256             id = po->id;
 257             if(po->move) {
 258                 fprintf(stderr, "MOVE tags not supported with -c");
 259             }
 260             p[id].po = po;
 261             p[id].num++;
 262         }
 263         tag = tag->next;
 264     }
 265
 266     return p;
 267 }
 268
 269 static void freePlacements(placement_t*p)
 270 {
 271     int t;
 272     for(t=0;t<65536;t++) {
 273         if(p[t].po) {
 274             swf_PlaceObjectFree(p[t].po); p[t].po = 0;
 275         }
 276     }
 277     rfx_free(p);
 278 }
 279
 280 static SRECT clipBBox(TAG*tag, SRECT mbbox, SRECT r)
 281 {
 282     int id = swf_GetDefineID(tag);
 283     MATRIX m;
 284     if(!placements[id].po) {
 285         if(verbose)
 286             printf("Id %d is never set\n", id);
 287         return r;
 288     }
 289     if(placements[id].num>1) {
 290         if(verbose)
 291             printf("Id %d is set more than once\n", id);
 292         return r;
 293     }
 294     m = placements[id].po->matrix;
 295     if(m.r0 || m.r1)  {
 296         fprintf(stderr, "Rotating PLACEOBJECTS are not supported with -c\n");
 297         return r;
 298     }
 299
 300     if(verbose) {
 301         printf("ID %d\n", id);
 302         swf_DumpMatrix(stdout, &m);
 303     }
 304     mbbox.xmin -= m.tx;
 305     mbbox.ymin -= m.ty;
 306     mbbox.xmax -= m.tx;
 307     mbbox.ymax -= m.ty;
 308     mbbox.xmin *= 65536.0/m.sx;
 309     mbbox.xmax *= 65536.0/m.sx;
 310     mbbox.ymin *= 65536.0/m.sy;
 311     mbbox.ymax *= 65536.0/m.sy;
 312
 313     if(verbose) {
 314         printf("border: %f/%f/%f/%f - rect: %f/%f/%f/%f\n",
 315                 mbbox.xmin /20.0,
 316                 mbbox.ymin /20.0,
 317                 mbbox.xmax /20.0,
 318                 mbbox.ymax /20.0,
 319                 r.xmin /20.0,
 320                 r.ymin /20.0,
 321                 r.xmax /20.0,
 322                 r.ymax /20.0);
 323     }
 324
 325     if(checkclippings) {
 326         int clip = 0;
 327         if(r.xmax > mbbox.xmax) clip += r.xmax - mbbox.xmax;
 328         if(r.ymax > mbbox.ymax) clip += r.ymax - mbbox.ymax;
 329         if(r.xmax < mbbox.xmin) clip += -(r.xmax - mbbox.xmin);
 330         if(r.ymax < mbbox.ymin) clip += -(r.ymax - mbbox.ymin);
 331
 332         if(r.xmin > mbbox.xmax) clip += r.xmin = mbbox.xmax;
 333         if(r.ymin > mbbox.ymax) clip += r.ymin = mbbox.ymax;
 334         if(r.xmin < mbbox.xmin) clip += -(r.xmin = mbbox.xmin);
 335         if(r.ymin < mbbox.ymin) clip += -(r.ymin = mbbox.ymin);
 336         if(clip > 3*20) {
 337             printf("needs clipping: [%.2f %.2f %2.f %2.f] is outside [%.2f %2.f %2.f %2.f]\n",
 338                     r.xmin / 20.0, r.ymin / 20.0, r.xmax / 20.0, r.ymax / 20.0,
 339                     mbbox.xmin / 20.0, mbbox.ymin / 20.0, mbbox.xmax / 20.0, mbbox.ymax / 20.0
 340                     );
 341         }
 342     }
 343
 344     r = swf_ClipRect(mbbox, r);
 345
 346     if(verbose) {
 347         printf("new rect: %f/%f/%f/%f\n",
 348                 r.xmin /20.0,
 349                 r.ymin /20.0,
 350                 r.xmax /20.0,
 351                 r.ymax /20.0);
 352     }
 353
 354     return r;
 355 }
 356
 357
 358 static void textcallback(void*self, int*chars, int*xpos, int nr, int fontid, int fontsize,
 359                     int xstart, int ystart, RGBA* color)
 360 {
 361     textbounds_t * bounds = (textbounds_t*)self;
 362     SWFFONT*font = 0;
 363     int t;
 364     for(t=0;t<fontnum;t++) {
 365         if(fonts[t]->id == fontid) {
 366             font = fonts[t];
 367             break;
 368         }
 369     }
 370     if(!font) {
 371         fprintf(stderr, "Font %d unknown\n", fontid);
 372         exit(1);
 373     }
 374     if(!font->layout) {
 375         /* This is an expensive operation- but what should we do, we
 376            need the glyph's bounding boxes */
 377         swf_FontCreateLayout(font);
 378     }
 379
 380     if(verbose)
 381         printf("%d chars, font %d, size %d, at (%d,%d)\n", nr, fontid, fontsize, xstart, ystart);
 382
 383     for(t=0;t<nr;t++) {
 384         /* not tested yet- the matrix/fontsize calculation is probably all wrong */
 385         int x = xstart + xpos[t];
 386         int y = ystart;
 387         int ch = 0;
 388         SRECT newglyphbbox, glyphbbox = font->layout->bounds[chars[t]];
 389         MATRIX m = bounds->m;
 390         SPOINT p;
 391
 392         if(chars[t] < font->numchars && font->glyph2ascii) {
 393             ch = font->glyph2ascii[chars[t]];
 394         }
 395
 396         p.x = x; p.y = y;
 397         p = swf_TurnPoint(p, &m);
 398
 399         m.sx = (m.sx * fontsize) / 1024;
 400         m.sy = (m.sy * fontsize) / 1024;
 401         m.r0 = (m.r0 * fontsize) / 1024;
 402         m.r1 = (m.r1 * fontsize) / 1024;
 403
 404         m.tx += p.x;
 405         m.ty += p.y;
 406         newglyphbbox = swf_TurnRect(glyphbbox, &m);
 407
 408         if(ch<32) ch='?';
 409
 410         swf_ExpandRect2(&(bounds->r), &newglyphbbox);
 411         if(verbose >= 2) {
 412             printf("%5d %c, %d %d %d %d (%d %d %d %d) -> %d %d %d %d\n",
 413                 xpos[t], ch,
 414                 glyphbbox.xmin, glyphbbox.ymin, glyphbbox.xmax, glyphbbox.ymax,
 415                 newglyphbbox.xmin, newglyphbbox.ymin, newglyphbbox.xmax, newglyphbbox.ymax,
 416                 bounds->r.xmin, bounds->r.ymin, bounds->r.xmax, bounds->r.ymax);
 417         }
 418
 419     }
 420 }
 421
 422 static void swf_OptimizeBoundingBoxes(SWF*swf)
 423 {
 424     TAG* tag = swf->firstTag;
 425
 426     while (tag) {
 427         if (tag->id == ST_DEFINESHAPE ||
 428             tag->id == ST_DEFINESHAPE2 ||
 429             tag->id == ST_DEFINESHAPE3 ||
 430             tag->id == ST_DEFINESHAPE4) {
 431             SHAPE2 s;
 432             if(verbose) printf("%s\n", swf_TagGetName(tag));
 433             swf_ParseDefineShape(tag, &s);
 434             if(optimize)
 435                 swf_Shape2Optimize(&s);
 436             tag->len = 2;
 437             tag->pos = 0;
 438             if(!s.bbox) {
 439                 fprintf(stderr, "Internal error (5)\n");
 440                 exit(1);
 441             }
 442             if(clip || checkclippings) {
 443                 *s.bbox = clipBBox(tag, swf->movieSize, *s.bbox);
 444             }
 445             swf_SetShape2(tag, &s);
 446         }
 447         if (tag->id == ST_DEFINETEXT || tag->id == ST_DEFINETEXT2) {
 448             SRECT oldbox;
 449             int matrix_offset;
 450             int len;
 451             U8*data;
 452             textbounds_t bounds;
 453             if(verbose) printf("%s\n", swf_TagGetName(tag));
 454             if(fontnum < 0) {
 455                 if(verbose) printf("Extracting fonts...\n");
 456                 c_swf = swf;
 457                 fontnum = 0;
 458                 swf_FontEnumerate(swf,&fontcallback1,0);
 459                 fonts = (SWFFONT**)malloc(fontnum*sizeof(SWFFONT*));
 460                 memset(fonts, 0, fontnum*sizeof(SWFFONT*));
 461                 fontnum = 0;
 462                 swf_FontEnumerate(swf,&fontcallback2,0);
 463             }
 464
 465             memset(&bounds, 0, sizeof(bounds));
 466
 467             swf_SetTagPos(tag, 0);
 468             swf_GetU16(tag);
 469             swf_GetRect(tag,&oldbox);
 470             swf_ResetReadBits(tag);
 471             matrix_offset = tag->pos;
 472             swf_GetMatrix(tag,&bounds.m);
 473             swf_ParseDefineText(tag, textcallback, &bounds);
 474             if(verbose) {
 475                 printf("\n");
 476                 swf_DumpMatrix(stdout, &bounds.m);
 477                 printf("old: %d %d %d %d\n", oldbox.xmin, oldbox.ymin, oldbox.xmax, oldbox.ymax);
 478                 printf("new: %d %d %d %d\n", bounds.r.xmin, bounds.r.ymin, bounds.r.xmax, bounds.r.ymax);
 479             }
 480             if(!optimize)
 481                 bounds.r = oldbox; //set to old bounds from the tag header
 482             if(clip || checkclippings) {
 483                 bounds.r = clipBBox(tag, swf->movieSize, bounds.r);
 484             }
 485
 486             /* now comes the tricky part:
 487                we have to fiddle the data back in
 488                thank heavens that the bbox is follow by a matrix
 489                struct, which always starts on a byte boundary.
 490              */
 491             len = tag->len - matrix_offset;
 492             data = malloc(len);
 493             memcpy(data, &tag->data[matrix_offset], len);
 494             tag->writeBit = 0;
 495             tag->len = 2;
 496             swf_SetRect(tag, &bounds.r);
 497             swf_SetBlock(tag, data, len);
 498             free(data);
 499             tag->pos = tag->readBit = 0;
 500         }
 501         tag = tag->next;
 502     }
 503 }
 504
 505 static void showSwiftyOutput(SWF*swf)
 506 {
 507     TAG*tag = swf->firstTag;
 508     int frame=0;
 509     printf("{\n\t{frame %d}\n", frame++);
 510
 511     while (tag) {
 512         if (tag->id == ST_SHOWFRAME) {
 513             printf("}\n{\n\t{frame %d}\n", frame++);
 514         }
 515         if (swf_isPlaceTag(tag)) {
 516             if(hasid(tag)) {
 517                 depth2id[swf_GetDepth(tag)] = swf_GetPlaceID(tag);
 518             }
 519             if(hasname(tag)) {
 520                 depth2name[swf_GetDepth(tag)] = getname(tag);
 521             }
 522         }
 523         if (swf_isPlaceTag(tag)) {
 524             MATRIX m = getmatrix(tag);
 525             U16 id = depth2id[swf_GetDepth(tag)];
 526             char*name = depth2name[swf_GetDepth(tag)];
 527             char buf[40];
 528             SRECT bbox = bboxes[id];
 529             SPOINT p1,p2,p3,p4;
 530             p1.x = bbox.xmin; p1.y = bbox.ymin;
 531             p2.x = bbox.xmax; p2.y = bbox.ymin;
 532             p3.x = bbox.xmin; p3.y = bbox.ymax;
 533             p4.x = bbox.xmax; p4.y = bbox.ymax;
 534             p1 = swf_TurnPoint(p1, &m);
 535             p2 = swf_TurnPoint(p2, &m);
 536             p3 = swf_TurnPoint(p3, &m);
 537             p4 = swf_TurnPoint(p4, &m);
 538             if(!name) {
 539                 sprintf(buf, "ID%d", id);name = buf;
 540             }
 541             //printf("\t#%.4f %.4f %.4f %.4f | %.4f %.4f\n", m.sx/65536.0, m.r1/65536.0, m.r0/65536.0, m.sy/65536.0, m.tx/20.0, m.ty/20.0);
 542             printf("\t{%s {%.2f %.2f %.2f %.2f %.2f %.2f %.2f %.2f}}\n", name,
 543                     p1.x/20.0, p1.y/20.0, p2.x/20.0, p2.y/20.0,
 544                     p3.x/20.0, p3.y/20.0, p4.x/20.0, p4.y/20.0);
 545         }
 546         tag = tag->next;
 547     }
 548     printf("}\n");
 549 }
 550 static SRECT getMovieClipBBox(TAG*tag)
 551 {
 552     //TAG*tag = swf->firstTag;
 553     int frame=0;
 554     SRECT movieSize;
 555     U16 depth2id[65536];
 556     memset(depth2id, 0, sizeof(depth2id));
 557
 558     memset(&movieSize,0,sizeof(SRECT));
 559
 560     while (tag && tag->id != ST_END) {
 561         if (swf_isPlaceTag(tag)) {
 562             if(hasid(tag)) {
 563                 depth2id[swf_GetDepth(tag)] = swf_GetPlaceID(tag);
 564             }
 565         }
 566         if (swf_isPlaceTag(tag)) {
 567             MATRIX m = getmatrix(tag);
 568             U16 id = depth2id[swf_GetDepth(tag)];
 569             SRECT bbox = bboxes[id];
 570
 571             SRECT tbbox = swf_TurnRect(bbox, &m);
 572             swf_ExpandRect2(&movieSize, &tbbox);
 573         }
 574         tag = tag->next;
 575     }
 576     return movieSize;
 577 }
 578
 579 static SRECT getSWFBBox(SWF*swf)
 580 {
 581     SRECT movieSize = getMovieClipBBox(swf->firstTag);
 582
 583     return movieSize;
 584 }
 585
 586 int main (int argc,char ** argv)
 587 {
 588     TAG*tag;
 589     SWF swf;
 590     int fi;
 591     SRECT oldMovieSize;
 592     SRECT newMovieSize;
 593     memset(bboxes, 0, sizeof(bboxes));
 594     memset(depth2name, 0, sizeof(depth2name));
 595
 596     processargs(argc, argv);
 597     initLog(0,0,0,0,0,verbose?LOGLEVEL_DEBUG:LOGLEVEL_WARNING);
 598
 599     if(!filename) {
 600         fprintf(stderr, "You must supply a filename.\n");
 601         return 1;
 602     }
 603
 604     fi = open(filename,O_RDONLY|O_BINARY);
 605
 606     if (fi<0)
 607     {
 608         perror("Couldn't open file: ");
 609         exit(1);
 610     }
 611     if FAILED(swf_ReadSWF(fi,&swf))
 612     {
 613         fprintf(stderr, "%s is not a valid SWF file or contains errors.\n",filename);
 614         close(fi);
 615         exit(1);
 616     }
 617     close(fi);
 618
 619     swf_OptimizeTagOrder(&swf);
 620
 621     if(clip || checkclippings) {
 622         placements = readPlacements(&swf);
 623     }
 624
 625     swf_FoldAll(&swf);
 626
 627     /* Optimize bounding boxes in case -O flag was set */
 628     if(optimize || checkclippings || clip) {
 629         swf_OptimizeBoundingBoxes(&swf);
 630     }
 631
 632     /* Create an ID to Bounding Box table */
 633     tag = swf.firstTag;
 634     while (tag) {
 635         if(swf_isDefiningTag(tag)) {
 636             int id = swf_GetDefineID(tag);
 637             if(tag->id != ST_DEFINESPRITE) {
 638                 bboxes[id] = swf_GetDefineBBox(tag);
 639             } else {
 640                 swf_UnFoldSprite(tag);
 641                 bboxes[id] = getMovieClipBBox(tag);
 642                 swf_FoldSprite(tag);
 643                 if(verbose) {
 644                     printf("sprite %d is %.2fx%.2f\n", id,
 645                             (bboxes[id].xmax - bboxes[id].xmin)/20.0,
 646                             (bboxes[id].ymax - bboxes[id].ymin)/20.0);
 647                 }
 648             }
 649         }
 650         tag = tag->next;
 651     }
 652
 653     /* Create an ID->Bounding Box table for all bounding boxes */
 654     if(swifty) {
 655         showSwiftyOutput(&swf);
 656     }
 657
 658     oldMovieSize = swf.movieSize;
 659     newMovieSize = getSWFBBox(&swf);
 660
 661     if(optimize || expand) {
 662
 663         if(expand)
 664             swf.movieSize = newMovieSize;
 665
 666         fi = open(outfilename, O_BINARY | O_RDWR | O_CREAT | O_TRUNC, 0666);
 667         if(swf_WriteSWF(fi, &swf) < 0) {
 668             fprintf(stderr, "Error writing file %s", outfilename);
 669             close(fi);
 670             exit(1);
 671         }
 672         close(fi);
 673     }
 674
 675     if(showbbox) {
 676         if(verbose>=0)
 677             printf("Real Movie Size (size of visible objects): ");
 678         printf("%.2f x %.2f :%.2f :%.2f\n",
 679                 (newMovieSize.xmax-newMovieSize.xmin)/20.0,
 680                 (newMovieSize.ymax-newMovieSize.ymin)/20.0,
 681                 (newMovieSize.xmin)/20.0,
 682                 (newMovieSize.ymin)/20.0
 683                 );
 684     }
 685     if(showorigbbox) {
 686         if(verbose>=0)
 687             printf("Movie Size accordings to file header: ");
 688         printf("%.2f x %.2f :%.2f :%.2f\n",
 689                 (oldMovieSize.xmax-oldMovieSize.xmin)/20.0,
 690                 (oldMovieSize.ymax-oldMovieSize.ymin)/20.0,
 691                 (oldMovieSize.xmin)/20.0,
 692                 (oldMovieSize.ymin)/20.0
 693                 );
 694     }
 695
 696     swf_FreeTags(&swf);
 697
 698     if(placements) {
 699         freePlacements(placements);
 700     }
 701     return 0;
 702 }