synfig-core/tags/stable/src/synfig/valuenode_composite.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file valuenode_composite.cpp
   3 **      \brief Implementation of the "Composite" valuenode conversion.
   4 **
   5 **      $Id$
   6 **
   7 **      \legal
   8 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
   9 **      Copyright (c) 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 "valuenode_composite.h"
  34 #include "valuenode_const.h"
  35 #include <stdexcept>
  36 #include "general.h"
  37 #include "valuenode_radialcomposite.h"
  38 #include "vector.h"
  39 #include "color.h"
  40 #include "segment.h"
  41 #include "savecanvas.h"
  42
  43 #endif
  44
  45 /* === U S I N G =========================================================== */
  46
  47 using namespace std;
  48 using namespace etl;
  49 using namespace synfig;
  50
  51 /* === M A C R O S ========================================================= */
  52
  53 /* === G L O B A L S ======================================================= */
  54
  55 /* === P R O C E D U R E S ================================================= */
  56
  57 /* === M E T H O D S ======================================================= */
  58
  59 synfig::ValueNode_Composite::ValueNode_Composite(const ValueBase &value):
  60         LinkableValueNode(value.get_type())
  61 {
  62         switch(get_type())
  63         {
  64                 case ValueBase::TYPE_VECTOR:
  65                         set_link("x",ValueNode_Const::create(value.get(Vector())[0]));
  66                         set_link("y",ValueNode_Const::create(value.get(Vector())[1]));
  67                         break;
  68                 case ValueBase::TYPE_COLOR:
  69                         set_link("r",ValueNode_Const::create(value.get(Color()).get_r()));
  70                         set_link("g",ValueNode_Const::create(value.get(Color()).get_g()));
  71                         set_link("b",ValueNode_Const::create(value.get(Color()).get_b()));
  72                         set_link("a",ValueNode_Const::create(value.get(Color()).get_a()));
  73                         break;
  74                 case ValueBase::TYPE_SEGMENT:
  75                         set_link("p1",ValueNode_Const::create(value.get(Segment()).p1));
  76                         set_link("t1",ValueNode_Const::create(value.get(Segment()).t1));
  77                         set_link("p2",ValueNode_Const::create(value.get(Segment()).p2));
  78                         set_link("t2",ValueNode_Const::create(value.get(Segment()).t2));
  79                         break;
  80                 case ValueBase::TYPE_BLINEPOINT:
  81                 {
  82                         BLinePoint bline_point(value);
  83                         set_link(0,ValueNode_Const::create(bline_point.get_vertex()));
  84                         set_link(1,ValueNode_Const::create(bline_point.get_width()));
  85                         set_link(2,ValueNode_Const::create(bline_point.get_origin()));
  86                         set_link(3,ValueNode_Const::create(bline_point.get_split_tangent_flag()));
  87                         set_link(4,ValueNode_RadialComposite::create(bline_point.get_tangent1()));
  88                         set_link(5,ValueNode_RadialComposite::create(bline_point.get_tangent2()));
  89                         break;
  90                 }
  91                 default:
  92                         assert(0);
  93                         throw Exception::BadType(ValueBase::type_local_name(get_type()));
  94         }
  95 }
  96
  97 ValueNode_Composite::~ValueNode_Composite()
  98 {
  99         unlink_all();
 100 }
 101
 102 ValueNode_Composite*
 103 ValueNode_Composite::create(const ValueBase &value)
 104 {
 105         return new ValueNode_Composite(value);
 106 }
 107
 108 LinkableValueNode*
 109 ValueNode_Composite::create_new()const
 110 {
 111         return new ValueNode_Composite(ValueBase(get_type()));
 112 }
 113
 114 ValueBase
 115 synfig::ValueNode_Composite::operator()(Time t)const
 116 {
 117         switch(get_type())
 118         {
 119                 case ValueBase::TYPE_VECTOR:
 120                 {
 121                         Vector vect;
 122                         assert(components[0] && components[1]);
 123                         vect[0]=(*components[0])(t).get(Vector::value_type());
 124                         vect[1]=(*components[1])(t).get(Vector::value_type());
 125                         return vect;
 126                 }
 127                 case ValueBase::TYPE_COLOR:
 128                 {
 129                         Color color;
 130                         assert(components[0] && components[1] && components[2] && components[3]);
 131                         color.set_r((*components[0])(t).get(Vector::value_type()));
 132                         color.set_g((*components[1])(t).get(Vector::value_type()));
 133                         color.set_b((*components[2])(t).get(Vector::value_type()));
 134                         color.set_a((*components[3])(t).get(Vector::value_type()));
 135                         return color;
 136                 }
 137                 case ValueBase::TYPE_SEGMENT:
 138                 {
 139                         Segment seg;
 140                         assert(components[0] && components[1] && components[2] && components[3]);
 141                         seg.p1=(*components[0])(t).get(Point());
 142                         seg.t1=(*components[1])(t).get(Vector());
 143                         seg.p2=(*components[2])(t).get(Point());
 144                         seg.t2=(*components[3])(t).get(Vector());
 145                         return seg;
 146                 }
 147                 case ValueBase::TYPE_BLINEPOINT:
 148                 {
 149                         BLinePoint ret;
 150                         assert(components[0] && components[1] && components[2] && components[3] && components[4] && components[5]);
 151                         ret.set_vertex((*components[0])(t).get(Point()));
 152                         ret.set_width((*components[1])(t).get(Real()));
 153                         ret.set_origin((*components[2])(t).get(Real()));
 154                         ret.set_split_tangent_flag((*components[3])(t).get(bool()));
 155                         ret.set_tangent1((*components[4])(t).get(Vector()));
 156                         if(ret.get_split_tangent_flag())
 157                                 ret.set_tangent2((*components[5])(t).get(Vector()));
 158                         return ret;
 159                 }
 160                 default:
 161                         synfig::error(string("ValueNode_Composite::operator():")+_("Bad type for composite"));
 162                         assert(components[0]);
 163                         return (*components[0])(t);
 164         }
 165 }
 166
 167 int
 168 ValueNode_Composite::link_count()const
 169 {
 170         switch(get_type())
 171         {
 172         case ValueBase::TYPE_VECTOR:
 173                 return 2;
 174         case ValueBase::TYPE_COLOR:
 175                 return 4;
 176         case ValueBase::TYPE_SEGMENT:
 177                 return 4;
 178         case ValueBase::TYPE_BLINEPOINT:
 179                 return 6;
 180         default:
 181                 synfig::warning(string("ValueNode_Composite::component_count():")+_("Bad type for composite"));
 182                 return 1;
 183         }
 184 }
 185
 186 bool
 187 ValueNode_Composite::set_link_vfunc(int i,ValueNode::Handle x)
 188 {
 189         assert(i>=0 && i<link_count());
 190
 191         if(PlaceholderValueNode::Handle::cast_dynamic(x))
 192         {
 193                 components[i]=x;
 194                 return true;
 195         }
 196
 197         switch(get_type())
 198         {
 199                 case ValueBase::TYPE_VECTOR:
 200                         if(x->get_type()==ValueBase(Real()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 201                         {
 202                                 components[i]=x;
 203                                 return true;
 204                         }
 205                         break;
 206
 207                 case ValueBase::TYPE_COLOR:
 208                         if(x->get_type()==ValueBase(Real()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 209                         {
 210                                 components[i]=x;
 211                                 return true;
 212                         }
 213                         break;
 214
 215                 case ValueBase::TYPE_SEGMENT:
 216                         if(x->get_type()==ValueBase(Point()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 217                         {
 218                                 components[i]=x;
 219                                 return true;
 220                         }
 221                         break;
 222
 223                 case ValueBase::TYPE_BLINEPOINT:
 224                         if((i==0 || i==4 || i==5) && x->get_type()==ValueBase(Point()).get_type())
 225                         {
 226                                 components[i]=x;
 227                                 return true;
 228                         }
 229                         if((i==1 || i==2) && x->get_type()==ValueBase(Real()).get_type())
 230                         {
 231                                 components[i]=x;
 232                                 return true;
 233                         }
 234                         if(i==3 && x->get_type()==ValueBase(bool()).get_type())
 235                         {
 236                                 components[i]=x;
 237                                 return true;
 238                         }
 239                         break;
 240
 241                 default:
 242                         break;
 243         }
 244         return false;
 245 }
 246
 247 ValueNode::LooseHandle
 248 ValueNode_Composite::get_link_vfunc(int i)const
 249 {
 250         assert(i>=0 && i<link_count());
 251
 252         return components[i];
 253 }
 254
 255 String
 256 ValueNode_Composite::link_local_name(int i)const
 257 {
 258         assert(i>=0 && i<link_count());
 259
 260         switch(get_type())
 261         {
 262                 case ValueBase::TYPE_VECTOR:
 263                         return strprintf("%c-Axis",'X'+i);
 264
 265                 case ValueBase::TYPE_COLOR:
 266                         if(i==0)
 267                                 return _("Red");
 268                         else if(i==1)
 269                                 return _("Green");
 270                         else if(i==2)
 271                                 return _("Blue");
 272                         else if(i==3)
 273                                 return _("Alpha");
 274
 275                 case ValueBase::TYPE_SEGMENT:
 276                         if(i==0)
 277                                 return _("Vertex 1");
 278                         else if(i==1)
 279                                 return _("Tangent 1");
 280                         else if(i==2)
 281                                 return _("Vertex 2");
 282                         else if(i==3)
 283                                 return _("Tangent 2");
 284
 285                 case ValueBase::TYPE_BLINEPOINT:
 286                         if(i==0)
 287                                 return _("Vertex");
 288                         else if(i==1)
 289                                 return _("Width");
 290                         else if(i==2)
 291                                 return _("Origin");
 292                         else if(i==3)
 293                                 return _("Split Tangents");
 294                         else if(i==4)
 295                                 return _("Tangent 1");
 296                         else if(i==5)
 297                                 return _("Tangent 2");
 298
 299                 default:
 300                         assert(0);
 301                         // notice that Composite counts from 1 and Radial Composite counts
 302                         // from 0!  we need to keep it like that to correctly load old
 303                         // animations, but let's not save "c%d" format link names in future
 304                         return etl::strprintf(_("C%d"),i+1);
 305         }
 306 }
 307
 308
 309 String
 310 ValueNode_Composite::link_name(int i)const
 311 {
 312         assert(i>=0 && i<link_count());
 313
 314         if (get_file_version() < RELEASE_VERSION_0_61_08)
 315                 return strprintf("c%d",i+1);
 316
 317         switch(get_type())
 318         {
 319         case ValueBase::TYPE_COLOR:
 320                 switch(i)
 321                 {
 322                 case 0: return "red";
 323                 case 1: return "green";
 324                 case 2: return "blue";
 325                 case 3: return "alpha";
 326                 }
 327                 break;
 328         case ValueBase::TYPE_SEGMENT:
 329                 switch(i)
 330                 {
 331                 case 0: return "p1";
 332                 case 1: return "t1";
 333                 case 2: return "p2";
 334                 case 3: return "t2";
 335                 }
 336                 break;
 337         case ValueBase::TYPE_VECTOR:
 338                 switch(i)
 339                 {
 340                 case 0: return "x";
 341                 case 1: return "y";
 342                 }
 343                 break;
 344         case ValueBase::TYPE_BLINEPOINT:
 345                 switch(i)
 346                 {
 347                 case 0: return "point";
 348                 case 1: return "width";
 349                 case 2: return "origin";
 350                 case 3: return "split";
 351                 case 4: return "t1";
 352                 case 5: return "t2";
 353                 }
 354                 break;
 355         default:
 356                 break;
 357         }
 358
 359         assert(0);
 360         // notice that Composite counts from 1 and Radial Composite counts
 361         // from 0!  we need to keep it like that to correctly load old
 362         // animations, but let's not save "c%d" format link names in future
 363         return strprintf("c%d",i+1);
 364 }
 365
 366 int
 367 ValueNode_Composite::get_link_index_from_name(const String &name)const
 368 {
 369         if(name.empty())
 370                 throw Exception::BadLinkName(name);
 371
 372         if(name[0]=='c' && name.size() == 2 && name[1]-'1' >= 0 && name[1]-'1' < link_count())
 373                 return name[1]-'1';
 374
 375         switch(get_type())
 376         {
 377         case ValueBase::TYPE_COLOR:
 378                 if(name[0]=='r')
 379                         return 0;
 380                 if(name[0]=='g')
 381                         return 1;
 382                 if(name[0]=='b')
 383                         return 2;
 384                 if(name[0]=='a')
 385                         return 3;
 386         case ValueBase::TYPE_SEGMENT:
 387                 if(name=="p1")
 388                         return 0;
 389                 if(name=="t1")
 390                         return 1;
 391                 if(name=="p2")
 392                         return 2;
 393                 if(name=="t2")
 394                         return 3;
 395         case ValueBase::TYPE_VECTOR:
 396                 if(name[0]=='x')
 397                         return 0;
 398                 if(name[0]=='y')
 399                         return 1;
 400                 if(name[0]=='z')                // \todo "z"?  really?
 401                         return 2;
 402         case ValueBase::TYPE_BLINEPOINT:
 403                 if(name[0]=='p' || name=="v1" || name=="p1")
 404                         return 0;
 405                 if(name=="w" || name=="width")
 406                         return 1;
 407                 if(name=="o" || name=="origin")
 408                         return 2;
 409                 if(name=="split")
 410                         return 3;
 411                 if(name=="t1")
 412                         return 4;
 413                 if(name=="t2")
 414                         return 5;
 415         default:
 416                 break;
 417         }
 418
 419         throw Exception::BadLinkName(name);
 420 }
 421
 422 String
 423 ValueNode_Composite::get_name()const
 424 {
 425         return "composite";
 426 }
 427
 428 String
 429 ValueNode_Composite::get_local_name()const
 430 {
 431         return _("Composite");
 432 }
 433
 434 bool
 435 ValueNode_Composite::check_type(ValueBase::Type type)
 436 {
 437         return
 438                 type==ValueBase::TYPE_SEGMENT ||
 439                 type==ValueBase::TYPE_VECTOR ||
 440                 type==ValueBase::TYPE_COLOR ||
 441                 type==ValueBase::TYPE_BLINEPOINT;
 442 }