synfig-studio/trunk/src/synfigapp/actions/valuedescset.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuedescset.cpp
   3 **      \brief Template File
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 2007, 2008 Chris Moore
  10 **
  11 **      This package is free software; you can redistribute it and/or
  12 **      modify it under the terms of the GNU General Public License as
  13 **      published by the Free Software Foundation; either version 2 of
  14 **      the License, or (at your option) any later version.
  15 **
  16 **      This package is distributed in the hope that it will be useful,
  17 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  19 **      General Public License for more details.
  20 **      \endlegal
  21 */
  22 /* ========================================================================= */
  23
  24 /* === H E A D E R S ======================================================= */
  25
  26 #ifdef USING_PCH
  27 #       include "pch.h"
  28 #else
  29 #ifdef HAVE_CONFIG_H
  30 #       include <config.h>
  31 #endif
  32
  33 #include "layerparamset.h"
  34 #include "valuenodeconstset.h"
  35 #include "valuedescconnect.h"
  36 #include "waypointsetsmart.h"
  37
  38 #include "valuedescset.h"
  39 #include <synfigapp/canvasinterface.h>
  40 #include <synfig/valuenode_composite.h>
  41 #include <synfig/valuenode_radialcomposite.h>
  42 #include <synfig/valuenode_reference.h>
  43 #include <synfigapp/main.h>
  44
  45 #include <synfigapp/general.h>
  46
  47 #endif
  48
  49 using namespace std;
  50 using namespace etl;
  51 using namespace synfig;
  52 using namespace synfigapp;
  53 using namespace Action;
  54
  55 /* === M A C R O S ========================================================= */
  56
  57 ACTION_INIT_NO_GET_LOCAL_NAME(Action::ValueDescSet);
  58 ACTION_SET_NAME(Action::ValueDescSet,"value_desc_set");
  59 ACTION_SET_LOCAL_NAME(Action::ValueDescSet,N_("Set ValueDesc"));
  60 ACTION_SET_TASK(Action::ValueDescSet,"set");
  61 ACTION_SET_CATEGORY(Action::ValueDescSet,Action::CATEGORY_VALUEDESC);
  62 ACTION_SET_PRIORITY(Action::ValueDescSet,0);
  63 ACTION_SET_VERSION(Action::ValueDescSet,"0.0");
  64 ACTION_SET_CVS_ID(Action::ValueDescSet,"$Id$");
  65
  66 /* === G L O B A L S ======================================================= */
  67
  68 /* === P R O C E D U R E S ================================================= */
  69
  70 /* === M E T H O D S ======================================================= */
  71
  72 Action::ValueDescSet::ValueDescSet():
  73         time(0)
  74 {
  75 }
  76
  77 synfig::String
  78 Action::ValueDescSet::get_local_name()const
  79 {
  80         return strprintf(_("Set %s"),
  81                                          value_desc
  82                                          ? value_desc.get_description().c_str()
  83                                          : _("ValueDesc"));
  84 }
  85
  86 Action::ParamVocab
  87 Action::ValueDescSet::get_param_vocab()
  88 {
  89         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
  90
  91         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
  92                 .set_local_name(_("ValueDesc"))
  93         );
  94
  95         ret.push_back(ParamDesc("new_value",Param::TYPE_VALUE)
  96                 .set_local_name(_("ValueBase"))
  97         );
  98
  99         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
 100                 .set_local_name(_("Time"))
 101                 .set_optional()
 102         );
 103
 104         return ret;
 105 }
 106
 107 bool
 108 Action::ValueDescSet::is_candidate(const ParamList &x)
 109 {
 110         return candidate_check(get_param_vocab(),x);
 111 }
 112
 113 bool
 114 Action::ValueDescSet::set_param(const synfig::String& name, const Action::Param &param)
 115 {
 116         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 117         {
 118                 value_desc=param.get_value_desc();
 119
 120                 return true;
 121         }
 122
 123         if(name=="new_value" && param.get_type()==Param::TYPE_VALUE)
 124         {
 125                 value=param.get_value();
 126
 127                 return true;
 128         }
 129
 130         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 131         {
 132                 time=param.get_time();
 133
 134                 return true;
 135         }
 136
 137         return Action::CanvasSpecific::set_param(name,param);
 138 }
 139
 140 bool
 141 Action::ValueDescSet::is_ready()const
 142 {
 143         if(!value_desc || !value.is_valid())
 144                 return false;
 145         return Action::CanvasSpecific::is_ready();
 146 }
 147
 148 void
 149 Action::ValueDescSet::prepare()
 150 {
 151         clear();
 152
 153         // If our tangents are merged, and
 154         // our first tangent is being manipulated,
 155         // then we also need to adjust the other
 156         // tangent.
 157         if(     value_desc.parent_is_value_node() &&
 158                 value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT &&
 159                 (value_desc.get_index()==4 || value_desc.get_index()==5) &&
 160                 (*value_desc.get_parent_value_node())(time).get(BLinePoint()).get_split_tangent_flag()==false)
 161         {
 162                 printf("a tangent got changed - #%d\n", value_desc.get_index()-3);
 163
 164                 {
 165                         ValueNode_Composite::Handle parent_value_node;
 166                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 167                         assert(parent_value_node);
 168
 169                         Vector t1((*parent_value_node->get_link("t1"))(time));
 170                         Vector t2((*parent_value_node->get_link("t2"))(time));
 171                         printf("current values are: t1(%.2f, %2.f)  t2(%.2f, %.2f)\n", t1[0], t1[1], t2[0], t2[1]);
 172                 }
 173
 174                 if (value_desc.get_index()==4) {
 175                         printf("copying change to tangent 2\n");
 176                         ValueNode_Composite::Handle parent_value_node;
 177                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 178
 179                         assert(parent_value_node);
 180
 181                         Action::Handle action(Action::create("value_desc_set"));
 182
 183                         if(!action)
 184                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 185
 186                         action->set_param("canvas",get_canvas());
 187                         action->set_param("canvas_interface",get_canvas_interface());
 188                         action->set_param("time",time);
 189                         action->set_param("new_value",value);
 190                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 191
 192                         if(!action->is_ready())
 193                                 throw Error(Error::TYPE_NOTREADY);
 194
 195                         add_action(action);
 196                 }
 197         }
 198
 199         // If we are a reference value node, then
 200         // we need to distribute the changes to the
 201         // referenced value node
 202         if(value_desc.is_value_node() && ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()))
 203         {
 204                 ValueDesc reference_value_desc(ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()),0);
 205
 206                 Action::Handle action(Action::create("value_desc_set"));
 207
 208                 if(!action)
 209                         throw Error(_("Unable to find action value_desc_set (bug)"));
 210
 211                 action->set_param("canvas",get_canvas());
 212                 action->set_param("canvas_interface",get_canvas_interface());
 213                 action->set_param("time",time);
 214                 action->set_param("new_value",value);
 215                 action->set_param("value_desc",reference_value_desc);
 216
 217                 if(!action->is_ready())
 218                         throw Error(Error::TYPE_NOTREADY);
 219
 220                 add_action(action);
 221
 222                 return;
 223         }
 224
 225         // If we are a composite value node, then
 226         // we need to distribute the changes to the
 227         // individual parts
 228         if(value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 229         {
 230                 ValueBase components[6];
 231                 int n_components(0);
 232                 switch(value.get_type())
 233                 {
 234                 case ValueBase::TYPE_VECTOR:
 235                         components[0]=value.get(Vector())[0];
 236                         components[1]=value.get(Vector())[1];
 237                         n_components=2;
 238                         break;
 239                 case ValueBase::TYPE_COLOR:
 240                         components[0]=value.get(Color()).get_r();
 241                         components[1]=value.get(Color()).get_g();
 242                         components[2]=value.get(Color()).get_b();
 243                         components[3]=value.get(Color()).get_a();
 244                         n_components=4;
 245                         break;
 246                 case ValueBase::TYPE_SEGMENT:
 247                         components[0]=value.get(Segment()).p1;
 248                         components[1]=value.get(Segment()).t1;
 249                         components[2]=value.get(Segment()).p2;
 250                         components[3]=value.get(Segment()).t2;
 251                         n_components=4;
 252                         break;
 253                 case ValueBase::TYPE_BLINEPOINT:
 254                 {
 255                         BLinePoint bline_point(value);
 256                         components[0]=bline_point.get_vertex();
 257                         components[1]=bline_point.get_width();
 258                         components[2]=bline_point.get_origin();
 259                         components[3]=bline_point.get_split_tangent_flag();
 260                         components[4]=bline_point.get_tangent1();
 261                         components[5]=bline_point.get_tangent2();
 262                         n_components=6;
 263                         break;
 264                 }
 265                 default:
 266                         throw Error(_("Bad type for composite (%s)"),ValueBase::type_local_name(value.get_type()).c_str());
 267                         break;
 268                 }
 269
 270                 for(int i=0;i<n_components;i++)
 271                 {
 272                         ValueDesc component_value_desc(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 273
 274                         Action::Handle action(Action::create("value_desc_set"));
 275
 276                         if(!action)
 277                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 278
 279                         action->set_param("canvas",get_canvas());
 280                         action->set_param("canvas_interface",get_canvas_interface());
 281                         action->set_param("time",time);
 282                         action->set_param("new_value",components[i]);
 283                         action->set_param("value_desc",component_value_desc);
 284
 285                         if(!action->is_ready())
 286                                 throw Error(Error::TYPE_NOTREADY);
 287
 288                         add_action(action);
 289                 }
 290
 291                 return;
 292         }
 293
 294
 295         // If we are a RADIAL composite value node, then
 296         // we need to distribute the changes to the
 297         // individual parts
 298         if(value_desc.is_value_node() && ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()))
 299         {
 300                 ValueBase components[6];
 301                 int n_components(0);
 302                 switch(value.get_type())
 303                 {
 304                 case ValueBase::TYPE_VECTOR:
 305                 {
 306                         Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
 307                                                                          value_desc.get_value_node())->get_link_vfunc(1)))(time).get(Angle());
 308                         Vector vect(value.get(Vector()));
 309                         components[0]=vect.mag();
 310                         Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;
 311                         while (change < Angle::deg(-180)) change += Angle::deg(360);
 312                         while (change > Angle::deg(180)) change -= Angle::deg(360);
 313                         components[1]=old_angle + change;
 314                         n_components=2;
 315                 }
 316                         break;
 317                 case ValueBase::TYPE_COLOR:
 318                         components[0]=value.get(Color()).get_y();
 319                         components[1]=value.get(Color()).get_s();
 320                         components[2]=value.get(Color()).get_hue();
 321                         components[3]=value.get(Color()).get_a();
 322                         n_components=4;
 323                         break;
 324                 default:
 325                         throw Error(_("Bad type for radial composite (%s)"),ValueBase::type_local_name(value.get_type()).c_str());
 326                         break;
 327                 }
 328                 for(int i=0;i<n_components;i++)
 329                 {
 330                         ValueDesc component_value_desc(ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 331
 332                         Action::Handle action(Action::create("value_desc_set"));
 333
 334                         if(!action)
 335                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 336
 337                         action->set_param("canvas",get_canvas());
 338                         action->set_param("canvas_interface",get_canvas_interface());
 339                         action->set_param("time",time);
 340                         action->set_param("new_value",components[i]);
 341                         action->set_param("value_desc",component_value_desc);
 342
 343                         if(!action->is_ready())
 344                                 throw Error(Error::TYPE_NOTREADY);
 345
 346                         add_action(action);
 347                 }
 348
 349                 return;
 350         }
 351
 352         // If we are merging the tangents of a BLinePoint,
 353         // we must also set the second tangent for things
 354         // to interpolate properly
 355         if (value_desc.parent_is_value_node() &&
 356             value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT &&
 357             value_desc.get_index()==3)
 358         {
 359                 ValueNode_Composite::Handle parent_value_node;
 360                 parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 361
 362                 assert(parent_value_node);
 363
 364                 // are we splitting or merging the tangents?
 365             if (value.get(bool()))
 366             {
 367                         // we are splitting tangents
 368
 369                         Action::Handle action(Action::create("value_desc_set"));
 370
 371                         if(!action)
 372                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 373
 374                         action->set_param("canvas",get_canvas());
 375                         action->set_param("canvas_interface",get_canvas_interface());
 376                         action->set_param("time",time);
 377                         action->set_param("new_value",(*parent_value_node->get_link(4))(time));
 378                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 379
 380                         if(!action->is_ready())
 381                                 throw Error(Error::TYPE_NOTREADY);
 382
 383                         add_action(action);
 384             }
 385             else
 386             {
 387                         // we are merging tangents
 388
 389                         // the merged tangent should be the average of the 2 tangents we're merging
 390                         ValueBase average(((Vector)((*parent_value_node->get_link("t1"))(time)) +
 391                                                            (Vector)((*parent_value_node->get_link("t2"))(time))) / 2);
 392
 393                         {
 394                                 Action::Handle action(Action::create("value_desc_set"));
 395
 396                                 if(!action)
 397                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 398
 399                                 action->set_param("canvas",get_canvas());
 400                                 action->set_param("canvas_interface",get_canvas_interface());
 401                                 action->set_param("time",time);
 402                                 action->set_param("new_value",average);
 403                                 action->set_param("value_desc",ValueDesc(parent_value_node,4));
 404
 405                                 if(!action->is_ready())
 406                                         throw Error(Error::TYPE_NOTREADY);
 407
 408                                 add_action(action);
 409                         }
 410
 411                         {
 412                                 Action::Handle action(Action::create("value_desc_set"));
 413
 414                                 if(!action)
 415                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 416
 417                                 action->set_param("canvas",get_canvas());
 418                                 action->set_param("canvas_interface",get_canvas_interface());
 419                                 action->set_param("time",time);
 420                                 action->set_param("new_value",average);
 421                                 action->set_param("value_desc",ValueDesc(parent_value_node,5));
 422
 423                                 if(!action->is_ready())
 424                                         throw Error(Error::TYPE_NOTREADY);
 425
 426                                 add_action(action);
 427                         }
 428             }
 429
 430         }
 431
 432 /*      DEBUGPOINT();
 433         if(     value_desc.parent_is_value_node())
 434         {
 435                 DEBUGPOINT();
 436                 if(value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT)
 437                 {
 438                         DEBUGPOINT();
 439                         if(value_desc.get_index()==4)
 440                         {
 441                                 DEBUGPOINT();
 442                                 if((*value_desc.get_parent_value_node())(time).get(BLinePoint()).get_split_tangent_flag()==false)
 443                                 {
 444                                         DEBUGPOINT();
 445                                 }
 446                         }
 447                 }
 448         }
 449 */
 450
 451
 452         // If we are in animate editing mode
 453         if(get_edit_mode()&MODE_ANIMATE)
 454         {
 455
 456                 ValueNode_Animated::Handle& value_node(value_node_animated);
 457
 458                 // If this value isn't a ValueNode_Animated, but
 459                 // it is somewhat constant, then go ahead and convert
 460                 // it to a ValueNode_Animated.
 461                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 462                 {
 463                         ValueBase value;
 464                         if(value_desc.is_value_node())
 465                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 466                         else
 467                                 value=value_desc.get_value();
 468
 469                         if(!value_node)value_node=ValueNode_Animated::create(value,time);
 470                         //if(!value_node)value_node=ValueNode_Animated::create(value.get_type());
 471
 472                         Action::Handle action;
 473
 474                         if(!value_desc.is_value_node())
 475                         {
 476                                 action=(ValueDescConnect::create());
 477                                 action->set_param("dest",value_desc);
 478                                 action->set_param("src",ValueNode::Handle(value_node));
 479                         }
 480                         else
 481                         {
 482                                 action=Action::create("value_node_replace");
 483                                 action->set_param("dest",value_desc.get_value_node());
 484                                 action->set_param("src",ValueNode::Handle(value_node));
 485                         }
 486
 487                         action->set_param("canvas",get_canvas());
 488                         action->set_param("canvas_interface",get_canvas_interface());
 489
 490                         if(!action->is_ready())
 491                                 throw Error(Error::TYPE_NOTREADY);
 492
 493                         add_action_front(action);
 494                 }
 495                 else
 496                 {
 497                         value_node=value_node.cast_dynamic(value_desc.get_value_node());
 498                 }
 499
 500                 if(!value_node)
 501                         throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 502
 503                 Action::Handle action(WaypointSetSmart::create());
 504
 505                 //Waypoint waypoint(value,time);
 506
 507                 Waypoint waypoint(value_node->new_waypoint_at_time(time));
 508                 waypoint.set_value(value);
 509
 510                 waypoint.set_before(synfigapp::Main::get_interpolation());
 511                 waypoint.set_after(synfigapp::Main::get_interpolation());
 512
 513                 action->set_param("canvas",get_canvas());
 514                 action->set_param("canvas_interface",get_canvas_interface());
 515                 action->set_param("value_node",ValueNode::Handle(value_node));
 516                 action->set_param("waypoint",waypoint);
 517
 518                 if(!action->is_ready())
 519                         throw Error(Error::TYPE_NOTREADY);
 520
 521                 add_action(action);
 522
 523                 return;
 524         }
 525         else
 526         {
 527                 if(value_desc.is_value_node())
 528                 {
 529                         if(ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 530                         {
 531                                 Action::Handle action(ValueNodeConstSet::create());
 532
 533                                 action->set_param("canvas",get_canvas());
 534                                 action->set_param("canvas_interface",get_canvas_interface());
 535                                 action->set_param("value_node",value_desc.get_value_node());
 536                                 action->set_param("new_value",value);
 537
 538                                 if(!action->is_ready())
 539                                         throw Error(Error::TYPE_NOTREADY);
 540
 541                                 add_action_front(action);
 542                                 return;
 543                         }
 544                         else
 545                         if(ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node()))
 546                                 throw Error(_("You must be in Animate-Editing-Mode to directly manipulate this value"));
 547                         else
 548                                 throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 549                 }
 550                 else
 551                 if(value_desc.parent_is_layer_param() && !value_desc.is_value_node())
 552                 {
 553                         Action::Handle layer_param_set(LayerParamSet::create());
 554
 555                         layer_param_set->set_param("canvas",get_canvas());
 556                         layer_param_set->set_param("canvas_interface",get_canvas_interface());
 557                         layer_param_set->set_param("layer",value_desc.get_layer());
 558                         layer_param_set->set_param("param",value_desc.get_param_name());
 559                         layer_param_set->set_param("new_value",value);
 560
 561                         if(!layer_param_set->is_ready())
 562                                 throw Error(Error::TYPE_NOTREADY);
 563
 564                         add_action_front(layer_param_set);
 565                         return;
 566                 }
 567
 568                 throw Error(_("Unsupported ValueDesc type"));
 569         }
 570 }