cinelerra-5.1/cinelerra/maskauto.C

   1
   2 /*
   3  * CINELERRA
   4  * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  *
  20  */
  21
  22 #include "clip.h"
  23 #include "filexml.h"
  24 #include "maskauto.h"
  25 #include "maskautos.h"
  26
  27 #include <stdlib.h>
  28 #include <string.h>
  29
  30
  31 MaskPoint::MaskPoint()
  32 {
  33         x = 0;
  34         y = 0;
  35         control_x1 = 0;
  36         control_y1 = 0;
  37         control_x2 = 0;
  38         control_y2 = 0;
  39 }
  40
  41 void MaskPoint::copy_from(MaskPoint &ptr)
  42 {
  43         this->x = ptr.x;
  44         this->y = ptr.y;
  45         this->control_x1 = ptr.control_x1;
  46         this->control_y1 = ptr.control_y1;
  47         this->control_x2 = ptr.control_x2;
  48         this->control_y2 = ptr.control_y2;
  49 }
  50
  51 MaskPoint& MaskPoint::operator=(MaskPoint& ptr)
  52 {
  53         copy_from(ptr);
  54         return *this;
  55 }
  56
  57 int MaskPoint::operator==(MaskPoint& ptr)
  58 {
  59         return EQUIV(x, ptr.x) &&
  60                 EQUIV(y, ptr.y) &&
  61                 EQUIV(control_x1, ptr.control_x1) &&
  62                 EQUIV(control_y1, ptr.control_y1) &&
  63                 EQUIV(control_x2, ptr.control_x2) &&
  64                 EQUIV(control_y2, ptr.control_y2);
  65 }
  66
  67 SubMask::SubMask(MaskAuto *keyframe)
  68 {
  69         this->keyframe = keyframe;
  70 }
  71
  72 SubMask::~SubMask()
  73 {
  74         points.remove_all_objects();
  75 }
  76
  77 int SubMask::equivalent(SubMask& ptr)
  78 {
  79         if(points.size() != ptr.points.size()) return 0;
  80
  81         for(int i = 0; i < points.size(); i++)
  82         {
  83                 if(!(*points.get(i) == *ptr.points.get(i)))
  84                         return 0;
  85         }
  86
  87         return 1;
  88 }
  89
  90
  91 int SubMask::operator==(SubMask& ptr)
  92 {
  93         return equivalent(ptr);
  94 }
  95
  96 void SubMask::copy_from(SubMask& ptr)
  97 {
  98         points.remove_all_objects();
  99 //printf("SubMask::copy_from 1 %p %d\n", this, ptr.points.total);
 100         for(int i = 0; i < ptr.points.total; i++)
 101         {
 102                 MaskPoint *point = new MaskPoint;
 103                 *point = *ptr.points.values[i];
 104                 points.append(point);
 105         }
 106 }
 107
 108 void SubMask::load(FileXML *file)
 109 {
 110         points.remove_all_objects();
 111
 112         int result = 0;
 113         while(!result)
 114         {
 115                 result = file->read_tag();
 116
 117                 if(!result)
 118                 {
 119                         if(file->tag.title_is("/MASK"))
 120                         {
 121                                 result = 1;
 122                         }
 123                         else
 124                         if(file->tag.title_is("POINT"))
 125                         {
 126                                 XMLBuffer data;
 127                                 file->read_text_until("/POINT", &data);
 128
 129                                 MaskPoint *point = new MaskPoint;
 130                                 char *ptr = data.cstr();
 131 //printf("MaskAuto::load 1 %s\n", ptr);
 132
 133                                 point->x = atof(ptr);
 134                                 ptr = strchr(ptr, ',');
 135 //printf("MaskAuto::load 2 %s\n", ptr + 1);
 136                                 if(ptr)
 137                                 {
 138                                         point->y = atof(ptr + 1);
 139                                         ptr = strchr(ptr + 1, ',');
 140
 141                                         if(ptr)
 142                                         {
 143 //printf("MaskAuto::load 3 %s\n", ptr + 1);
 144                                                 point->control_x1 = atof(ptr + 1);
 145                                                 ptr = strchr(ptr + 1, ',');
 146                                                 if(ptr)
 147                                                 {
 148 //printf("MaskAuto::load 4 %s\n", ptr + 1);
 149                                                         point->control_y1 = atof(ptr + 1);
 150                                                         ptr = strchr(ptr + 1, ',');
 151                                                         if(ptr)
 152                                                         {
 153 //printf("MaskAuto::load 5 %s\n", ptr + 1);
 154                                                                 point->control_x2 = atof(ptr + 1);
 155                                                                 ptr = strchr(ptr + 1, ',');
 156                                                                 if(ptr) point->control_y2 = atof(ptr + 1);
 157                                                         }
 158                                                 }
 159                                         }
 160
 161                                 }
 162                                 points.append(point);
 163                         }
 164                 }
 165         }
 166 }
 167
 168 void SubMask::copy(FileXML *file)
 169 {
 170         if(points.total)
 171         {
 172                 file->tag.set_title("MASK");
 173                 file->tag.set_property("NUMBER", keyframe->masks.number_of(this));
 174                 file->append_tag();
 175                 file->append_newline();
 176
 177                 for(int i = 0; i < points.total; i++)
 178                 {
 179                         file->append_newline();
 180                         file->tag.set_title("POINT");
 181                         file->append_tag();
 182                         char string[BCTEXTLEN];
 183 //printf("SubMask::copy 1 %p %d %p\n", this, i, points.values[i]);
 184                         sprintf(string, "%.7g, %.7g, %.7g, %.7g, %.7g, %.7g",
 185                                 points.values[i]->x,
 186                                 points.values[i]->y,
 187                                 points.values[i]->control_x1,
 188                                 points.values[i]->control_y1,
 189                                 points.values[i]->control_x2,
 190                                 points.values[i]->control_y2);
 191 //printf("SubMask::copy 2\n");
 192                         file->append_text(string);
 193                         file->tag.set_title("/POINT");
 194                         file->append_tag();
 195                 }
 196                 file->append_newline();
 197
 198                 file->tag.set_title("/MASK");
 199                 file->append_tag();
 200                 file->append_newline();
 201         }
 202 }
 203
 204 void SubMask::dump()
 205 {
 206         for(int i = 0; i < points.total; i++)
 207         {
 208                 printf("          point=%d x=%.2f y=%.2f in_x=%.2f in_y=%.2f out_x=%.2f out_y=%.2f\n",
 209                         i,
 210                         points.values[i]->x,
 211                         points.values[i]->y,
 212                         points.values[i]->control_x1,
 213                         points.values[i]->control_y1,
 214                         points.values[i]->control_x2,
 215                         points.values[i]->control_y2);
 216         }
 217 }
 218
 219
 220 MaskAuto::MaskAuto(EDL *edl, MaskAutos *autos)
 221  : Auto(edl, autos)
 222 {
 223         mode = MASK_SUBTRACT_ALPHA;
 224         feather = 0;
 225         value = 100;
 226         apply_before_plugins = 0;
 227         disable_opengl_masking = 0;
 228
 229 // We define a fixed number of submasks so that interpolation for each
 230 // submask matches.
 231
 232         for(int i = 0; i < SUBMASKS; i++)
 233                 masks.append(new SubMask(this));
 234 }
 235
 236 MaskAuto::~MaskAuto()
 237 {
 238         masks.remove_all_objects();
 239 }
 240
 241 int MaskAuto::operator==(Auto &that)
 242 {
 243         return identical((MaskAuto*)&that);
 244 }
 245
 246
 247
 248 int MaskAuto::operator==(MaskAuto &that)
 249 {
 250         return identical((MaskAuto*)&that);
 251 }
 252
 253
 254 int MaskAuto::identical(MaskAuto *src)
 255 {
 256         if(value != src->value ||
 257                 mode != src->mode ||
 258                 feather != src->feather ||
 259                 masks.size() != src->masks.size() ||
 260                 apply_before_plugins != src->apply_before_plugins ||
 261                 disable_opengl_masking != src->disable_opengl_masking) return 0;
 262
 263         for(int i = 0; i < masks.size(); i++)
 264                 if(!(*masks.values[i] == *src->masks.values[i])) return 0;
 265
 266         return 1;
 267 }
 268
 269 void MaskAuto::update_parameter(MaskAuto *ref, MaskAuto *src)
 270 {
 271         if(src->value != ref->value)
 272         {
 273                 this->value = src->value;
 274         }
 275
 276         if(src->mode != ref->mode)
 277         {
 278                 this->mode = src->mode;
 279         }
 280
 281         if(!EQUIV(src->feather, ref->feather))
 282         {
 283                 this->feather = src->feather;
 284         }
 285
 286         for(int i = 0; i < masks.size(); i++)
 287         {
 288                 if(!src->get_submask(i)->equivalent(*ref->get_submask(i)))
 289                         this->get_submask(i)->copy_from(*src->get_submask(i));
 290         }
 291 }
 292
 293 void MaskAuto::copy_from(Auto *src)
 294 {
 295         copy_from((MaskAuto*)src);
 296 }
 297
 298 void MaskAuto::copy_from(MaskAuto *src)
 299 {
 300         Auto::copy_from(src);
 301         copy_data(src);
 302 }
 303
 304 void MaskAuto::copy_data(MaskAuto *src)
 305 {
 306         mode = src->mode;
 307         feather = src->feather;
 308         value = src->value;
 309         apply_before_plugins = src->apply_before_plugins;
 310         disable_opengl_masking = src->disable_opengl_masking;
 311
 312         masks.remove_all_objects();
 313         for(int i = 0; i < src->masks.size(); i++)
 314         {
 315                 masks.append(new SubMask(this));
 316                 masks.values[i]->copy_from(*src->masks.values[i]);
 317         }
 318 }
 319
 320 int MaskAuto::interpolate_from(Auto *a1, Auto *a2, int64_t position, Auto *templ) {
 321         if(!a1) a1 = previous;
 322         if(!a2) a2 = next;
 323         MaskAuto  *mask_auto1 = (MaskAuto *)a1;
 324         MaskAuto  *mask_auto2 = (MaskAuto *)a2;
 325
 326         if (!mask_auto2 || !mask_auto1 || mask_auto2->masks.total == 0)
 327         // can't interpolate, fall back to copying (using template if possible)
 328         {
 329                 return Auto::interpolate_from(a1, a2, position, templ);
 330         }
 331         this->mode = mask_auto1->mode;
 332         this->feather = mask_auto1->feather;
 333         this->value = mask_auto1->value;
 334         this->apply_before_plugins = mask_auto1->apply_before_plugins;
 335         this->disable_opengl_masking = mask_auto1->disable_opengl_masking;
 336         this->position = position;
 337         masks.remove_all_objects();
 338
 339         for(int i = 0;
 340                 i < mask_auto1->masks.total;
 341                 i++)
 342         {
 343                 SubMask *new_submask = new SubMask(this);
 344                 masks.append(new_submask);
 345                 SubMask *mask1 = mask_auto1->masks.values[i];
 346                 SubMask *mask2 = mask_auto2->masks.values[i];
 347
 348                 // just in case, should never happen
 349                 int total_points = MIN(mask1->points.total, mask2->points.total);
 350                 for(int j = 0; j < total_points; j++)
 351                 {
 352                         MaskPoint *point = new MaskPoint;
 353                         MaskAutos::avg_points(point,
 354                                 mask1->points.values[j],
 355                                 mask2->points.values[j],
 356                                 position,
 357                                 mask_auto1->position,
 358                                 mask_auto2->position);
 359                         new_submask->points.append(point);
 360                 }
 361         }
 362         return 1;
 363
 364
 365 }
 366
 367
 368 SubMask* MaskAuto::get_submask(int number)
 369 {
 370         CLAMP(number, 0, masks.size() - 1);
 371         return masks.values[number];
 372 }
 373
 374 void MaskAuto::get_points(ArrayList<MaskPoint*> *points,
 375         int submask)
 376 {
 377         points->remove_all_objects();
 378         SubMask *submask_ptr = get_submask(submask);
 379         for(int i = 0; i < submask_ptr->points.size(); i++)
 380         {
 381                 MaskPoint *point = new MaskPoint;
 382                 point->copy_from(*submask_ptr->points.get(i));
 383                 points->append(point);
 384         }
 385 }
 386
 387 void MaskAuto::set_points(ArrayList<MaskPoint*> *points,
 388         int submask)
 389 {
 390         SubMask *submask_ptr = get_submask(submask);
 391         submask_ptr->points.remove_all_objects();
 392         for(int i = 0; i < points->size(); i++)
 393         {
 394                 MaskPoint *point = new MaskPoint;
 395                 point->copy_from(*points->get(i));
 396                 submask_ptr->points.append(point);
 397         }
 398 }
 399
 400
 401 void MaskAuto::load(FileXML *file)
 402 {
 403         mode = file->tag.get_property("MODE", mode);
 404         feather = file->tag.get_property("FEATHER", feather);
 405         value = file->tag.get_property("VALUE", value);
 406         apply_before_plugins = file->tag.get_property("APPLY_BEFORE_PLUGINS", apply_before_plugins);
 407         disable_opengl_masking = file->tag.get_property("DISABLE_OPENGL_MASKING", disable_opengl_masking);
 408         for(int i = 0; i < masks.size(); i++)
 409         {
 410                 delete masks.values[i];
 411                 masks.values[i] = new SubMask(this);
 412         }
 413
 414         int result = 0;
 415         while(!result)
 416         {
 417                 result = file->read_tag();
 418
 419                 if(!result)
 420                 {
 421                         if(file->tag.title_is("/AUTO"))
 422                                 result = 1;
 423                         else
 424                         if(file->tag.title_is("MASK"))
 425                         {
 426                                 SubMask *mask = masks.values[file->tag.get_property("NUMBER", 0)];
 427                                 mask->load(file);
 428                         }
 429                 }
 430         }
 431 //      dump();
 432 }
 433
 434 void MaskAuto::copy(int64_t start, int64_t end, FileXML *file, int default_auto)
 435 {
 436         file->tag.set_title("AUTO");
 437         file->tag.set_property("MODE", mode);
 438         file->tag.set_property("VALUE", value);
 439         file->tag.set_property("FEATHER", feather);
 440         file->tag.set_property("APPLY_BEFORE_PLUGINS", apply_before_plugins);
 441         file->tag.set_property("DISABLE_OPENGL_MASKING", disable_opengl_masking);
 442
 443         if(default_auto)
 444                 file->tag.set_property("POSITION", 0);
 445         else
 446                 file->tag.set_property("POSITION", position - start);
 447         file->append_tag();
 448         file->append_newline();
 449
 450         for(int i = 0; i < masks.size(); i++)
 451         {
 452 //printf("MaskAuto::copy 1 %p %d %p\n", this, i, masks.values[i]);
 453                 masks.values[i]->copy(file);
 454 //printf("MaskAuto::copy 10\n");
 455         }
 456
 457         file->append_newline();
 458         file->tag.set_title("/AUTO");
 459         file->append_tag();
 460         file->append_newline();
 461 }
 462
 463 void MaskAuto::dump()
 464 {
 465         printf("         mode=%d value=%d\n", mode, value);
 466         for(int i = 0; i < masks.size(); i++)
 467         {
 468                 printf("         submask %d\n", i);
 469                 masks.values[i]->dump();
 470         }
 471 }
 472
 473 void MaskAuto::translate_submasks(float translate_x, float translate_y)
 474 {
 475         for(int i = 0; i < masks.size(); i++)
 476         {
 477                 SubMask *mask = get_submask(i);
 478                 for (int j = 0; j < mask->points.total; j++)
 479                 {
 480                         mask->points.values[j]->x += translate_x;
 481                         mask->points.values[j]->y += translate_y;
 482                 }
 483         }
 484 }
 485
 486 void MaskAuto::scale_submasks(int orig_scale, int new_scale)
 487 {
 488         for(int i = 0; i < masks.size(); i++)
 489         {
 490                 SubMask *mask = get_submask(i);
 491                 for (int j = 0; j < mask->points.total; j++)
 492                 {
 493                         float orig_x = mask->points.values[j]->x * orig_scale;
 494                         float orig_y = mask->points.values[j]->y * orig_scale;
 495                         mask->points.values[j]->x = orig_x / new_scale;
 496                         mask->points.values[j]->y = orig_y / new_scale;
 497
 498                         orig_x = mask->points.values[j]->control_x1 * orig_scale;
 499                         orig_y = mask->points.values[j]->control_y1 * orig_scale;
 500                         mask->points.values[j]->control_x1 = orig_x / new_scale;
 501                         mask->points.values[j]->control_y1 = orig_y / new_scale;
 502
 503                         orig_x = mask->points.values[j]->control_x2 * orig_scale;
 504                         orig_y = mask->points.values[j]->control_y2 * orig_scale;
 505                         mask->points.values[j]->control_x2 = orig_x / new_scale;
 506                         mask->points.values[j]->control_y2 = orig_y / new_scale;
 507                 }
 508         }
 509 }
 510
 511