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 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 #define ACTION_INIT2(class) \
  57         Action::Base* class::create() { return new class(); }   \
  58         synfig::String class::get_name()const { return name__; }
  59
  60 ACTION_INIT2(Action::ValueDescSet);
  61 ACTION_SET_NAME(Action::ValueDescSet,"value_desc_set");
  62 ACTION_SET_LOCAL_NAME(Action::ValueDescSet,N_("Set ValueDesc"));
  63 ACTION_SET_TASK(Action::ValueDescSet,"set");
  64 ACTION_SET_CATEGORY(Action::ValueDescSet,Action::CATEGORY_VALUEDESC);
  65 ACTION_SET_PRIORITY(Action::ValueDescSet,0);
  66 ACTION_SET_VERSION(Action::ValueDescSet,"0.0");
  67 ACTION_SET_CVS_ID(Action::ValueDescSet,"$Id$");
  68
  69 /* === G L O B A L S ======================================================= */
  70
  71 /* === P R O C E D U R E S ================================================= */
  72
  73 /* === M E T H O D S ======================================================= */
  74
  75 Action::ValueDescSet::ValueDescSet():
  76         time(0)
  77 {
  78 }
  79
  80 synfig::String
  81 Action::ValueDescSet::get_local_name()const
  82 {
  83         String name("ValueDesc");
  84
  85         if(!value_desc)
  86         {
  87         }
  88         else if(value_desc.parent_is_layer_param())
  89         {
  90                 if(value_desc.get_layer()->get_description().empty())
  91                         name=value_desc.get_layer()->get_local_name();
  92                 else
  93                         name=value_desc.get_layer()->get_description();
  94                 name+="->"+value_desc.get_param_name();
  95         }
  96         else if(value_desc.parent_is_value_node())
  97         {
  98                 synfig::LinkableValueNode::Handle value_node(synfig::LinkableValueNode::Handle::cast_reinterpret(value_desc.get_parent_value_node()));
  99                 name=value_node->link_local_name(value_desc.get_index());
 100
 101                 synfig::Node* node;
 102                 for(node=value_node.get();!node->parent_set.empty() && !dynamic_cast<Layer*>(node);node=*node->parent_set.begin());
 103                 Layer::Handle parent_layer(dynamic_cast<Layer*>(node));
 104                 if(parent_layer)
 105                 {
 106                         if(parent_layer->get_description().empty())
 107                                 name=parent_layer->get_local_name()+"=>"+name;
 108                         else
 109                                 name=parent_layer->get_description()+"=>"+name;
 110                 }
 111         }
 112
 113         return strprintf(_("Set %s"),name.c_str());
 114 }
 115
 116 Action::ParamVocab
 117 Action::ValueDescSet::get_param_vocab()
 118 {
 119         ParamVocab ret(Action::CanvasSpecific::get_param_vocab());
 120
 121         ret.push_back(ParamDesc("value_desc",Param::TYPE_VALUEDESC)
 122                 .set_local_name(_("ValueDesc"))
 123         );
 124
 125         ret.push_back(ParamDesc("new_value",Param::TYPE_VALUE)
 126                 .set_local_name(_("ValueBase"))
 127         );
 128
 129         ret.push_back(ParamDesc("time",Param::TYPE_TIME)
 130                 .set_local_name(_("Time"))
 131                 .set_optional()
 132         );
 133
 134         return ret;
 135 }
 136
 137 bool
 138 Action::ValueDescSet::is_candidate(const ParamList &x)
 139 {
 140         return candidate_check(get_param_vocab(),x);
 141 }
 142
 143 bool
 144 Action::ValueDescSet::set_param(const synfig::String& name, const Action::Param &param)
 145 {
 146         if(name=="value_desc" && param.get_type()==Param::TYPE_VALUEDESC)
 147         {
 148                 value_desc=param.get_value_desc();
 149
 150                 return true;
 151         }
 152
 153         if(name=="new_value" && param.get_type()==Param::TYPE_VALUE)
 154         {
 155                 value=param.get_value();
 156
 157                 return true;
 158         }
 159
 160         if(name=="time" && param.get_type()==Param::TYPE_TIME)
 161         {
 162                 time=param.get_time();
 163
 164                 return true;
 165         }
 166
 167         return Action::CanvasSpecific::set_param(name,param);
 168 }
 169
 170 bool
 171 Action::ValueDescSet::is_ready()const
 172 {
 173         if(!value_desc || !value.is_valid())
 174                 return false;
 175         return Action::CanvasSpecific::is_ready();
 176 }
 177
 178 void
 179 Action::ValueDescSet::prepare()
 180 {
 181         clear();
 182
 183         // If our tangents are merged, and
 184         // our first tangent is being manipulated,
 185         // then we also need to adjust the other
 186         // tangent.
 187         if(     value_desc.parent_is_value_node() &&
 188                 value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT &&
 189                 (value_desc.get_index()==4 || value_desc.get_index()==5) &&
 190                 (*value_desc.get_parent_value_node())(time).get(BLinePoint()).get_split_tangent_flag()==false)
 191         {
 192                 printf("a tangent got changed - #%d\n", value_desc.get_index()-3);
 193
 194                 {
 195                         ValueNode_Composite::Handle parent_value_node;
 196                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 197                         assert(parent_value_node);
 198
 199                         Vector t1((*parent_value_node->get_link("t1"))(time));
 200                         Vector t2((*parent_value_node->get_link("t2"))(time));
 201                         printf("current values are: t1(%.2f, %2.f)  t2(%.2f, %.2f)\n", t1[0], t1[1], t2[0], t2[1]);
 202                 }
 203
 204                 if (value_desc.get_index()==4) {
 205                         printf("copying change to tangent 2\n");
 206                         DEBUGPOINT();
 207                         ValueNode_Composite::Handle parent_value_node;
 208                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 209
 210                         assert(parent_value_node);
 211
 212                         Action::Handle action(Action::create("value_desc_set"));
 213
 214                         if(!action)
 215                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 216
 217                         action->set_param("canvas",get_canvas());
 218                         action->set_param("canvas_interface",get_canvas_interface());
 219                         action->set_param("time",time);
 220                         action->set_param("new_value",value);
 221                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 222
 223                         if(!action->is_ready())
 224                                 throw Error(Error::TYPE_NOTREADY);
 225
 226                         add_action(action);
 227                 }
 228         }
 229
 230         // If we are a reference value node, then
 231         // we need to distribute the changes to the
 232         // referenced value node
 233         if(value_desc.is_value_node() && ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()))
 234         {
 235                 ValueDesc reference_value_desc(ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()),0);
 236
 237                 Action::Handle action(Action::create("value_desc_set"));
 238
 239                 if(!action)
 240                         throw Error(_("Unable to find action value_desc_set (bug)"));
 241
 242                 action->set_param("canvas",get_canvas());
 243                 action->set_param("canvas_interface",get_canvas_interface());
 244                 action->set_param("time",time);
 245                 action->set_param("new_value",value);
 246                 action->set_param("value_desc",reference_value_desc);
 247
 248                 if(!action->is_ready())
 249                         throw Error(Error::TYPE_NOTREADY);
 250
 251                 add_action(action);
 252
 253                 return;
 254         }
 255
 256         // If we are a composite value node, then
 257         // we need to distribute the changes to the
 258         // individual parts
 259         if(value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 260         {
 261                 ValueBase components[6];
 262                 int n_components(0);
 263                 switch(value.get_type())
 264                 {
 265                 case ValueBase::TYPE_VECTOR:
 266                         components[0]=value.get(Vector())[0];
 267                         components[1]=value.get(Vector())[1];
 268                         n_components=2;
 269                         break;
 270                 case ValueBase::TYPE_COLOR:
 271                         components[0]=value.get(Color()).get_r();
 272                         components[1]=value.get(Color()).get_g();
 273                         components[2]=value.get(Color()).get_b();
 274                         components[3]=value.get(Color()).get_a();
 275                         n_components=4;
 276                         break;
 277                 case ValueBase::TYPE_SEGMENT:
 278                         components[0]=value.get(Segment()).p1;
 279                         components[1]=value.get(Segment()).t1;
 280                         components[2]=value.get(Segment()).p2;
 281                         components[3]=value.get(Segment()).t2;
 282                         n_components=4;
 283                         break;
 284                 case ValueBase::TYPE_BLINEPOINT:
 285                 {
 286                         BLinePoint bline_point(value);
 287                         components[0]=bline_point.get_vertex();
 288                         components[1]=bline_point.get_width();
 289                         components[2]=bline_point.get_origin();
 290                         components[3]=bline_point.get_split_tangent_flag();
 291                         components[4]=bline_point.get_tangent1();
 292                         components[5]=bline_point.get_tangent2();
 293                         n_components=6;
 294                         break;
 295                 }
 296                 default:
 297                         throw Error("Bad type for composite (%s)",ValueBase::type_name(value.get_type()).c_str());
 298                         break;
 299                 }
 300
 301                 for(int i=0;i<n_components;i++)
 302                 {
 303                         ValueDesc component_value_desc(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 304
 305                         Action::Handle action(Action::create("value_desc_set"));
 306
 307                         if(!action)
 308                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 309
 310                         action->set_param("canvas",get_canvas());
 311                         action->set_param("canvas_interface",get_canvas_interface());
 312                         action->set_param("time",time);
 313                         action->set_param("new_value",components[i]);
 314                         action->set_param("value_desc",component_value_desc);
 315
 316                         if(!action->is_ready())
 317                                 throw Error(Error::TYPE_NOTREADY);
 318
 319                         add_action(action);
 320                 }
 321
 322                 return;
 323         }
 324
 325
 326         // If we are a RADIAL composite value node, then
 327         // we need to distribute the changes to the
 328         // individual parts
 329         if(value_desc.is_value_node() && ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()))
 330         {
 331                 ValueBase components[6];
 332                 int n_components(0);
 333                 switch(value.get_type())
 334                 {
 335                 case ValueBase::TYPE_VECTOR:
 336                 {
 337                         Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
 338                                                                          value_desc.get_value_node())->get_link_vfunc(1)))(time).get(Angle());
 339                         Vector vect(value.get(Vector()));
 340                         components[0]=vect.mag();
 341                         Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;
 342                         while (change < Angle::deg(-180)) change += Angle::deg(360);
 343                         while (change > Angle::deg(180)) change -= Angle::deg(360);
 344                         components[1]=old_angle + change;
 345                         n_components=2;
 346                 }
 347                         break;
 348                 case ValueBase::TYPE_COLOR:
 349                         components[0]=value.get(Color()).get_y();
 350                         components[1]=value.get(Color()).get_s();
 351                         components[2]=value.get(Color()).get_hue();
 352                         components[3]=value.get(Color()).get_a();
 353                         n_components=4;
 354                         break;
 355                 default:
 356                         throw Error(_("Bad type for radial composite (%s)"),ValueBase::type_name(value.get_type()).c_str());
 357                         break;
 358                 }
 359                 for(int i=0;i<n_components;i++)
 360                 {
 361                         ValueDesc component_value_desc(ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 362
 363                         Action::Handle action(Action::create("value_desc_set"));
 364
 365                         if(!action)
 366                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 367
 368                         action->set_param("canvas",get_canvas());
 369                         action->set_param("canvas_interface",get_canvas_interface());
 370                         action->set_param("time",time);
 371                         action->set_param("new_value",components[i]);
 372                         action->set_param("value_desc",component_value_desc);
 373
 374                         if(!action->is_ready())
 375                                 throw Error(Error::TYPE_NOTREADY);
 376
 377                         add_action(action);
 378                 }
 379
 380                 return;
 381         }
 382
 383         // If we are merging the tangents of a BLinePoint,
 384         // we must also set the second tangent for things
 385         // to interpolate properly
 386         if (value_desc.parent_is_value_node() &&
 387             value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT &&
 388             value_desc.get_index()==3)
 389         {
 390                 ValueNode_Composite::Handle parent_value_node;
 391                 parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 392
 393                 assert(parent_value_node);
 394
 395                 // are we splitting or merging the tangents?
 396             if (value.get(bool()))
 397             {
 398                         // we are splitting tangents
 399
 400                         Action::Handle action(Action::create("value_desc_set"));
 401
 402                         if(!action)
 403                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 404
 405                         action->set_param("canvas",get_canvas());
 406                         action->set_param("canvas_interface",get_canvas_interface());
 407                         action->set_param("time",time);
 408                         action->set_param("new_value",(*parent_value_node->get_link(4))(time));
 409                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 410
 411                         if(!action->is_ready())
 412                                 throw Error(Error::TYPE_NOTREADY);
 413
 414                         add_action(action);
 415             }
 416             else
 417             {
 418                         // we are merging tangents
 419
 420                         // the merged tangent should be the average of the 2 tangents we're merging
 421                         ValueBase average(((Vector)((*parent_value_node->get_link("t1"))(time)) +
 422                                                            (Vector)((*parent_value_node->get_link("t2"))(time))) / 2);
 423
 424                         {
 425                                 Action::Handle action(Action::create("value_desc_set"));
 426
 427                                 if(!action)
 428                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 429
 430                                 action->set_param("canvas",get_canvas());
 431                                 action->set_param("canvas_interface",get_canvas_interface());
 432                                 action->set_param("time",time);
 433                                 action->set_param("new_value",average);
 434                                 action->set_param("value_desc",ValueDesc(parent_value_node,4));
 435
 436                                 if(!action->is_ready())
 437                                         throw Error(Error::TYPE_NOTREADY);
 438
 439                                 add_action(action);
 440                         }
 441
 442                         {
 443                                 Action::Handle action(Action::create("value_desc_set"));
 444
 445                                 if(!action)
 446                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 447
 448                                 action->set_param("canvas",get_canvas());
 449                                 action->set_param("canvas_interface",get_canvas_interface());
 450                                 action->set_param("time",time);
 451                                 action->set_param("new_value",average);
 452                                 action->set_param("value_desc",ValueDesc(parent_value_node,5));
 453
 454                                 if(!action->is_ready())
 455                                         throw Error(Error::TYPE_NOTREADY);
 456
 457                                 add_action(action);
 458                         }
 459             }
 460
 461         }
 462
 463 /*      DEBUGPOINT();
 464         if(     value_desc.parent_is_value_node())
 465         {
 466                 DEBUGPOINT();
 467                 if(value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT)
 468                 {
 469                         DEBUGPOINT();
 470                         if(value_desc.get_index()==4)
 471                         {
 472                                 DEBUGPOINT();
 473                                 if((*value_desc.get_parent_value_node())(time).get(BLinePoint()).get_split_tangent_flag()==false)
 474                                 {
 475                                         DEBUGPOINT();
 476                                 }
 477                         }
 478                 }
 479         }
 480 */
 481
 482
 483         // If we are in animate editing mode
 484         if(get_edit_mode()&MODE_ANIMATE)
 485         {
 486
 487                 ValueNode_Animated::Handle& value_node(value_node_animated);
 488
 489                 // If this value isn't a ValueNode_Animated, but
 490                 // it is somewhat constant, then go ahead and convert
 491                 // it to a ValueNode_Animated.
 492                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 493                 {
 494                         ValueBase value;
 495                         if(value_desc.is_value_node())
 496                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 497                         else
 498                                 value=value_desc.get_value();
 499
 500                         if(!value_node)value_node=ValueNode_Animated::create(value,time);
 501                         //if(!value_node)value_node=ValueNode_Animated::create(value.get_type());
 502
 503                         Action::Handle action;
 504
 505                         if(!value_desc.is_value_node())
 506                         {
 507                                 action=(ValueDescConnect::create());
 508                                 action->set_param("dest",value_desc);
 509                                 action->set_param("src",ValueNode::Handle(value_node));
 510                         }
 511                         else
 512                         {
 513                                 action=Action::create("value_node_replace");
 514                                 action->set_param("dest",value_desc.get_value_node());
 515                                 action->set_param("src",ValueNode::Handle(value_node));
 516                         }
 517
 518                         action->set_param("canvas",get_canvas());
 519                         action->set_param("canvas_interface",get_canvas_interface());
 520
 521                         if(!action->is_ready())
 522                                 throw Error(Error::TYPE_NOTREADY);
 523
 524                                 DEBUGPOINT();
 525                         add_action_front(action);
 526                 }
 527                 else
 528                 {
 529                         value_node=value_node.cast_dynamic(value_desc.get_value_node());
 530                 }
 531
 532                                 DEBUGPOINT();
 533                 if(!value_node)
 534                         throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 535
 536                 Action::Handle action(WaypointSetSmart::create());
 537
 538                 //Waypoint waypoint(value,time);
 539
 540                 Waypoint waypoint(value_node->new_waypoint_at_time(time));
 541                 waypoint.set_value(value);
 542
 543                 waypoint.set_before(synfigapp::Main::get_interpolation());
 544                 waypoint.set_after(synfigapp::Main::get_interpolation());
 545
 546                 action->set_param("canvas",get_canvas());
 547                 action->set_param("canvas_interface",get_canvas_interface());
 548                 action->set_param("value_node",ValueNode::Handle(value_node));
 549                 action->set_param("waypoint",waypoint);
 550
 551                 if(!action->is_ready())
 552                         throw Error(Error::TYPE_NOTREADY);
 553
 554                                 DEBUGPOINT();
 555                 add_action(action);
 556
 557                 return;
 558         }
 559         else
 560         {
 561                 if(value_desc.is_value_node())
 562                 {
 563                         if(ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 564                         {
 565                                 Action::Handle action(ValueNodeConstSet::create());
 566
 567                                 action->set_param("canvas",get_canvas());
 568                                 action->set_param("canvas_interface",get_canvas_interface());
 569                                 action->set_param("value_node",value_desc.get_value_node());
 570                                 action->set_param("new_value",value);
 571
 572                                 if(!action->is_ready())
 573                                         throw Error(Error::TYPE_NOTREADY);
 574
 575                                 add_action_front(action);
 576                                 return;
 577                         }
 578                         else
 579                         if(ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node()))
 580                                 throw Error(_("You must be in Animate-Editing-Mode to directly manipulate this value"));
 581                         else
 582                                 throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 583                 }
 584                 else
 585                 if(value_desc.parent_is_layer_param() && !value_desc.is_value_node())
 586                 {
 587                         Action::Handle layer_param_set(LayerParamSet::create());
 588
 589                         layer_param_set->set_param("canvas",get_canvas());
 590                         layer_param_set->set_param("canvas_interface",get_canvas_interface());
 591                         layer_param_set->set_param("layer",value_desc.get_layer());
 592                         layer_param_set->set_param("param",value_desc.get_param_name());
 593                         layer_param_set->set_param("new_value",value);
 594
 595                         if(!layer_param_set->is_ready())
 596                                 throw Error(Error::TYPE_NOTREADY);
 597
 598                         add_action_front(layer_param_set);
 599                         return;
 600                 }
 601
 602                 throw Error(_("Unsupported ValueDesc type"));
 603         }
 604 }