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,"ValueDescSet");
  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                 {
 163                         ValueNode_Composite::Handle parent_value_node;
 164                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 165                         assert(parent_value_node);
 166
 167                         Vector t1((*parent_value_node->get_link("t1"))(time));
 168                         Vector t2((*parent_value_node->get_link("t2"))(time));
 169                 }
 170
 171                 if (value_desc.get_index()==4) {
 172                         ValueNode_Composite::Handle parent_value_node;
 173                         parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 174
 175                         assert(parent_value_node);
 176
 177                         Action::Handle action(Action::create("ValueDescSet"));
 178
 179                         if(!action)
 180                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 181
 182                         action->set_param("canvas",get_canvas());
 183                         action->set_param("canvas_interface",get_canvas_interface());
 184                         action->set_param("time",time);
 185                         action->set_param("new_value",value);
 186                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 187
 188                         if(!action->is_ready())
 189                                 throw Error(Error::TYPE_NOTREADY);
 190
 191                         add_action(action);
 192                 }
 193         }
 194
 195         // If we are a reference value node, then
 196         // we need to distribute the changes to the
 197         // referenced value node
 198         if(value_desc.is_value_node() && ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()))
 199         {
 200                 ValueDesc reference_value_desc(ValueNode_Reference::Handle::cast_dynamic(value_desc.get_value_node()),0);
 201
 202                 Action::Handle action(Action::create("ValueDescSet"));
 203
 204                 if(!action)
 205                         throw Error(_("Unable to find action value_desc_set (bug)"));
 206
 207                 action->set_param("canvas",get_canvas());
 208                 action->set_param("canvas_interface",get_canvas_interface());
 209                 action->set_param("time",time);
 210                 action->set_param("new_value",value);
 211                 action->set_param("value_desc",reference_value_desc);
 212
 213                 if(!action->is_ready())
 214                         throw Error(Error::TYPE_NOTREADY);
 215
 216                 add_action(action);
 217
 218                 return;
 219         }
 220
 221         // If we are a composite value node, then
 222         // we need to distribute the changes to the
 223         // individual parts
 224         if(value_desc.is_value_node() && ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()))
 225         {
 226                 ValueBase components[6];
 227                 int n_components(0);
 228                 switch(value.get_type())
 229                 {
 230                 case ValueBase::TYPE_VECTOR:
 231                         components[0]=value.get(Vector())[0];
 232                         components[1]=value.get(Vector())[1];
 233                         n_components=2;
 234                         break;
 235                 case ValueBase::TYPE_COLOR:
 236                         components[0]=value.get(Color()).get_r();
 237                         components[1]=value.get(Color()).get_g();
 238                         components[2]=value.get(Color()).get_b();
 239                         components[3]=value.get(Color()).get_a();
 240                         n_components=4;
 241                         break;
 242                 case ValueBase::TYPE_SEGMENT:
 243                         components[0]=value.get(Segment()).p1;
 244                         components[1]=value.get(Segment()).t1;
 245                         components[2]=value.get(Segment()).p2;
 246                         components[3]=value.get(Segment()).t2;
 247                         n_components=4;
 248                         break;
 249                 case ValueBase::TYPE_BLINEPOINT:
 250                 {
 251                         BLinePoint bline_point(value);
 252                         components[0]=bline_point.get_vertex();
 253                         components[1]=bline_point.get_width();
 254                         components[2]=bline_point.get_origin();
 255                         components[3]=bline_point.get_split_tangent_flag();
 256                         components[4]=bline_point.get_tangent1();
 257                         components[5]=bline_point.get_tangent2();
 258                         n_components=6;
 259                         break;
 260                 }
 261                 default:
 262                         throw Error(_("Bad type for composite (%s)"),ValueBase::type_local_name(value.get_type()).c_str());
 263                         break;
 264                 }
 265
 266                 for(int i=0;i<n_components;i++)
 267                 {
 268                         ValueDesc component_value_desc(ValueNode_Composite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 269
 270                         Action::Handle action(Action::create("ValueDescSet"));
 271
 272                         if(!action)
 273                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 274
 275                         action->set_param("canvas",get_canvas());
 276                         action->set_param("canvas_interface",get_canvas_interface());
 277                         action->set_param("time",time);
 278                         action->set_param("new_value",components[i]);
 279                         action->set_param("value_desc",component_value_desc);
 280
 281                         if(!action->is_ready())
 282                                 throw Error(Error::TYPE_NOTREADY);
 283
 284                         add_action(action);
 285                 }
 286
 287                 return;
 288         }
 289
 290
 291         // If we are a RADIAL composite value node, then
 292         // we need to distribute the changes to the
 293         // individual parts
 294         if(value_desc.is_value_node() && ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()))
 295         {
 296                 ValueBase components[6];
 297                 int n_components(0);
 298                 switch(value.get_type())
 299                 {
 300                 case ValueBase::TYPE_VECTOR:
 301                 {
 302                         Angle old_angle = (*(ValueNode_RadialComposite::Handle::cast_dynamic(
 303                                                                          value_desc.get_value_node())->get_link_vfunc(1)))(time).get(Angle());
 304                         Vector vect(value.get(Vector()));
 305                         components[0]=vect.mag();
 306                         Angle change = Angle(Angle::tan(vect[1],vect[0])) - old_angle;
 307                         while (change < Angle::deg(-180)) change += Angle::deg(360);
 308                         while (change > Angle::deg(180)) change -= Angle::deg(360);
 309                         components[1]=old_angle + change;
 310                         n_components=2;
 311                 }
 312                         break;
 313                 case ValueBase::TYPE_COLOR:
 314                         components[0]=value.get(Color()).get_y();
 315                         components[1]=value.get(Color()).get_s();
 316                         components[2]=value.get(Color()).get_hue();
 317                         components[3]=value.get(Color()).get_a();
 318                         n_components=4;
 319                         break;
 320                 default:
 321                         throw Error(_("Bad type for radial composite (%s)"),ValueBase::type_local_name(value.get_type()).c_str());
 322                         break;
 323                 }
 324                 for(int i=0;i<n_components;i++)
 325                 {
 326                         ValueDesc component_value_desc(ValueNode_RadialComposite::Handle::cast_dynamic(value_desc.get_value_node()),i);
 327
 328                         Action::Handle action(Action::create("ValueDescSet"));
 329
 330                         if(!action)
 331                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 332
 333                         action->set_param("canvas",get_canvas());
 334                         action->set_param("canvas_interface",get_canvas_interface());
 335                         action->set_param("time",time);
 336                         action->set_param("new_value",components[i]);
 337                         action->set_param("value_desc",component_value_desc);
 338
 339                         if(!action->is_ready())
 340                                 throw Error(Error::TYPE_NOTREADY);
 341
 342                         add_action(action);
 343                 }
 344
 345                 return;
 346         }
 347
 348         // If we are merging the tangents of a BLinePoint,
 349         // we must also set the second tangent for things
 350         // to interpolate properly
 351         if (value_desc.parent_is_value_node() &&
 352             value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT &&
 353             value_desc.get_index()==3)
 354         {
 355                 ValueNode_Composite::Handle parent_value_node;
 356                 parent_value_node=parent_value_node.cast_dynamic(value_desc.get_parent_value_node());
 357
 358                 assert(parent_value_node);
 359
 360                 // are we splitting or merging the tangents?
 361             if (value.get(bool()))
 362             {
 363                         // we are splitting tangents
 364
 365                         Action::Handle action(Action::create("ValueDescSet"));
 366
 367                         if(!action)
 368                                 throw Error(_("Unable to find action value_desc_set (bug)"));
 369
 370                         action->set_param("canvas",get_canvas());
 371                         action->set_param("canvas_interface",get_canvas_interface());
 372                         action->set_param("time",time);
 373                         action->set_param("new_value",(*parent_value_node->get_link(4))(time));
 374                         action->set_param("value_desc",ValueDesc(parent_value_node,5));
 375
 376                         if(!action->is_ready())
 377                                 throw Error(Error::TYPE_NOTREADY);
 378
 379                         add_action(action);
 380             }
 381             else
 382             {
 383                         // we are merging tangents
 384
 385                         // the merged tangent should be the average of the 2 tangents we're merging
 386                         ValueBase average(((Vector)((*parent_value_node->get_link("t1"))(time)) +
 387                                                            (Vector)((*parent_value_node->get_link("t2"))(time))) / 2);
 388
 389                         {
 390                                 Action::Handle action(Action::create("ValueDescSet"));
 391
 392                                 if(!action)
 393                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 394
 395                                 action->set_param("canvas",get_canvas());
 396                                 action->set_param("canvas_interface",get_canvas_interface());
 397                                 action->set_param("time",time);
 398                                 action->set_param("new_value",average);
 399                                 action->set_param("value_desc",ValueDesc(parent_value_node,4));
 400
 401                                 if(!action->is_ready())
 402                                         throw Error(Error::TYPE_NOTREADY);
 403
 404                                 add_action(action);
 405                         }
 406
 407                         {
 408                                 Action::Handle action(Action::create("ValueDescSet"));
 409
 410                                 if(!action)
 411                                         throw Error(_("Unable to find action value_desc_set (bug)"));
 412
 413                                 action->set_param("canvas",get_canvas());
 414                                 action->set_param("canvas_interface",get_canvas_interface());
 415                                 action->set_param("time",time);
 416                                 action->set_param("new_value",average);
 417                                 action->set_param("value_desc",ValueDesc(parent_value_node,5));
 418
 419                                 if(!action->is_ready())
 420                                         throw Error(Error::TYPE_NOTREADY);
 421
 422                                 add_action(action);
 423                         }
 424             }
 425
 426         }
 427
 428 /*      DEBUGPOINT();
 429         if(     value_desc.parent_is_value_node())
 430         {
 431                 DEBUGPOINT();
 432                 if(value_desc.get_parent_value_node()->get_type()==ValueBase::TYPE_BLINEPOINT)
 433                 {
 434                         DEBUGPOINT();
 435                         if(value_desc.get_index()==4)
 436                         {
 437                                 DEBUGPOINT();
 438                                 if((*value_desc.get_parent_value_node())(time).get(BLinePoint()).get_split_tangent_flag()==false)
 439                                 {
 440                                         DEBUGPOINT();
 441                                 }
 442                         }
 443                 }
 444         }
 445 */
 446
 447
 448         // If we are in animate editing mode
 449         if(get_edit_mode()&MODE_ANIMATE)
 450         {
 451
 452                 ValueNode_Animated::Handle& value_node(value_node_animated);
 453
 454                 // If this value isn't a ValueNode_Animated, but
 455                 // it is somewhat constant, then go ahead and convert
 456                 // it to a ValueNode_Animated.
 457                 if(!value_desc.is_value_node() || ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 458                 {
 459                         ValueBase value;
 460                         if(value_desc.is_value_node())
 461                                 value=ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node())->get_value();
 462                         else
 463                                 value=value_desc.get_value();
 464
 465                         if(!value_node)value_node=ValueNode_Animated::create(value,time);
 466                         //if(!value_node)value_node=ValueNode_Animated::create(value.get_type());
 467
 468                         Action::Handle action;
 469
 470                         if(!value_desc.is_value_node())
 471                         {
 472                                 action=(ValueDescConnect::create());
 473                                 action->set_param("dest",value_desc);
 474                                 action->set_param("src",ValueNode::Handle(value_node));
 475                         }
 476                         else
 477                         {
 478                                 action=Action::create("ValueNodeReplace");
 479                                 action->set_param("dest",value_desc.get_value_node());
 480                                 action->set_param("src",ValueNode::Handle(value_node));
 481                         }
 482
 483                         action->set_param("canvas",get_canvas());
 484                         action->set_param("canvas_interface",get_canvas_interface());
 485
 486                         if(!action->is_ready())
 487                                 throw Error(Error::TYPE_NOTREADY);
 488
 489                         add_action_front(action);
 490                 }
 491                 else
 492                 {
 493                         value_node=value_node.cast_dynamic(value_desc.get_value_node());
 494                 }
 495
 496                 if(!value_node)
 497                         throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 498
 499                 Action::Handle action(WaypointSetSmart::create());
 500
 501                 //Waypoint waypoint(value,time);
 502
 503                 Waypoint waypoint(value_node->new_waypoint_at_time(time));
 504                 waypoint.set_value(value);
 505
 506                 waypoint.set_before(synfigapp::Main::get_interpolation());
 507                 waypoint.set_after(synfigapp::Main::get_interpolation());
 508
 509                 action->set_param("canvas",get_canvas());
 510                 action->set_param("canvas_interface",get_canvas_interface());
 511                 action->set_param("value_node",ValueNode::Handle(value_node));
 512                 action->set_param("waypoint",waypoint);
 513
 514                 if(!action->is_ready())
 515                         throw Error(Error::TYPE_NOTREADY);
 516
 517                 add_action(action);
 518
 519                 return;
 520         }
 521         else
 522         {
 523                 if(value_desc.is_value_node())
 524                 {
 525                         if(ValueNode_Const::Handle::cast_dynamic(value_desc.get_value_node()))
 526                         {
 527                                 Action::Handle action(ValueNodeConstSet::create());
 528
 529                                 action->set_param("canvas",get_canvas());
 530                                 action->set_param("canvas_interface",get_canvas_interface());
 531                                 action->set_param("value_node",value_desc.get_value_node());
 532                                 action->set_param("new_value",value);
 533
 534                                 if(!action->is_ready())
 535                                         throw Error(Error::TYPE_NOTREADY);
 536
 537                                 add_action_front(action);
 538                                 return;
 539                         }
 540                         else
 541                         if(ValueNode_Animated::Handle::cast_dynamic(value_desc.get_value_node()))
 542                                 throw Error(_("You must be in Animate-Editing-Mode to directly manipulate this value"));
 543                         else
 544                                 throw Error(_("Direct manipulation of this ValueNode type is not yet supported"));
 545                 }
 546                 else
 547                 if(value_desc.parent_is_layer_param() && !value_desc.is_value_node())
 548                 {
 549                         Action::Handle layer_param_set(LayerParamSet::create());
 550
 551                         layer_param_set->set_param("canvas",get_canvas());
 552                         layer_param_set->set_param("canvas_interface",get_canvas_interface());
 553                         layer_param_set->set_param("layer",value_desc.get_layer());
 554                         layer_param_set->set_param("param",value_desc.get_param_name());
 555                         layer_param_set->set_param("new_value",value);
 556
 557                         if(!layer_param_set->is_ready())
 558                                 throw Error(Error::TYPE_NOTREADY);
 559
 560                         add_action_front(layer_param_set);
 561                         return;
 562                 }
 563
 564                 throw Error(_("Unsupported ValueDesc type"));
 565         }
 566 }