synfig-core/trunk/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 **
  10 **      This package is free software; you can redistribute it and/or
  11 **      modify it under the terms of the GNU General Public License as
  12 **      published by the Free Software Foundation; either version 2 of
  13 **      the License, or (at your option) any later version.
  14 **
  15 **      This package is distributed in the hope that it will be useful,
  16 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  17 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  18 **      General Public License for more details.
  19 **      \endlegal
  20 */
  21 /* ========================================================================= */
  22
  23 /* === H E A D E R S ======================================================= */
  24
  25 #ifdef USING_PCH
  26 #       include "pch.h"
  27 #else
  28 #ifdef HAVE_CONFIG_H
  29 #       include <config.h>
  30 #endif
  31
  32 #include "valuenode_composite.h"
  33 #include "valuenode_const.h"
  34 #include <stdexcept>
  35 #include "general.h"
  36 #include "valuenode_radialcomposite.h"
  37 #include "vector.h"
  38 #include "color.h"
  39 #include "segment.h"
  40
  41 #endif
  42
  43 /* === U S I N G =========================================================== */
  44
  45 using namespace std;
  46 using namespace etl;
  47 using namespace synfig;
  48
  49 /* === M A C R O S ========================================================= */
  50
  51 /* === G L O B A L S ======================================================= */
  52
  53 /* === P R O C E D U R E S ================================================= */
  54
  55 /* === M E T H O D S ======================================================= */
  56
  57 synfig::ValueNode_Composite::ValueNode_Composite(const ValueBase &value):
  58         LinkableValueNode(value.get_type())
  59 {
  60         switch(get_type())
  61         {
  62                 case ValueBase::TYPE_VECTOR:
  63                         set_link("x",ValueNode_Const::create(value.get(Vector())[0]));
  64                         set_link("y",ValueNode_Const::create(value.get(Vector())[1]));
  65                         break;
  66                 case ValueBase::TYPE_COLOR:
  67                         set_link("r",ValueNode_Const::create(value.get(Color()).get_r()));
  68                         set_link("g",ValueNode_Const::create(value.get(Color()).get_g()));
  69                         set_link("b",ValueNode_Const::create(value.get(Color()).get_b()));
  70                         set_link("a",ValueNode_Const::create(value.get(Color()).get_a()));
  71                         break;
  72                 case ValueBase::TYPE_SEGMENT:
  73                         set_link("p1",ValueNode_Const::create(value.get(Segment()).p1));
  74                         set_link("t1",ValueNode_Const::create(value.get(Segment()).t1));
  75                         set_link("p2",ValueNode_Const::create(value.get(Segment()).p2));
  76                         set_link("t2",ValueNode_Const::create(value.get(Segment()).t2));
  77                         break;
  78                 case ValueBase::TYPE_BLINEPOINT:
  79                 {
  80                         BLinePoint bline_point(value);
  81                         set_link(0,ValueNode_Const::create(bline_point.get_vertex()));
  82                         set_link(1,ValueNode_Const::create(bline_point.get_width()));
  83                         set_link(2,ValueNode_Const::create(bline_point.get_origin()));
  84                         set_link(3,ValueNode_Const::create(bline_point.get_split_tangent_flag()));
  85                         set_link(4,ValueNode_RadialComposite::create(bline_point.get_tangent1()));
  86                         set_link(5,ValueNode_RadialComposite::create(bline_point.get_tangent2()));
  87                         break;
  88                 }
  89                 default:
  90                         assert(0);
  91                         throw Exception::BadType(ValueBase::type_local_name(get_type()));
  92         }
  93 }
  94
  95 ValueNode_Composite::~ValueNode_Composite()
  96 {
  97         unlink_all();
  98 }
  99
 100 ValueNode_Composite*
 101 ValueNode_Composite::create(const ValueBase &value)
 102 {
 103         return new ValueNode_Composite(value);
 104 }
 105
 106 LinkableValueNode*
 107 ValueNode_Composite::create_new()const
 108 {
 109         return new ValueNode_Composite(ValueBase(get_type()));
 110 }
 111
 112 ValueBase
 113 synfig::ValueNode_Composite::operator()(Time t)const
 114 {
 115         switch(get_type())
 116         {
 117                 case ValueBase::TYPE_VECTOR:
 118                 {
 119                         Vector vect;
 120                         assert(components[0] && components[1]);
 121                         vect[0]=(*components[0])(t).get(Vector::value_type());
 122                         vect[1]=(*components[1])(t).get(Vector::value_type());
 123                         return vect;
 124                 }
 125                 case ValueBase::TYPE_COLOR:
 126                 {
 127                         Color color;
 128                         assert(components[0] && components[1] && components[2] && components[3]);
 129                         color.set_r((*components[0])(t).get(Vector::value_type()));
 130                         color.set_g((*components[1])(t).get(Vector::value_type()));
 131                         color.set_b((*components[2])(t).get(Vector::value_type()));
 132                         color.set_a((*components[3])(t).get(Vector::value_type()));
 133                         return color;
 134                 }
 135                 case ValueBase::TYPE_SEGMENT:
 136                 {
 137                         Segment seg;
 138                         assert(components[0] && components[1] && components[2] && components[3]);
 139                         seg.p1=(*components[0])(t).get(Point());
 140                         seg.t1=(*components[1])(t).get(Vector());
 141                         seg.p2=(*components[2])(t).get(Point());
 142                         seg.t2=(*components[3])(t).get(Vector());
 143                         return seg;
 144                 }
 145                 case ValueBase::TYPE_BLINEPOINT:
 146                 {
 147                         BLinePoint ret;
 148                         assert(components[0] && components[1] && components[2] && components[3] && components[4] && components[5]);
 149                         ret.set_vertex((*components[0])(t).get(Point()));
 150                         ret.set_width((*components[1])(t).get(Real()));
 151                         ret.set_origin((*components[2])(t).get(Real()));
 152                         ret.set_split_tangent_flag((*components[3])(t).get(bool()));
 153                         ret.set_tangent1((*components[4])(t).get(Vector()));
 154                         if(ret.get_split_tangent_flag())
 155                                 ret.set_tangent2((*components[5])(t).get(Vector()));
 156                         return ret;
 157                 }
 158                 default:
 159                         synfig::error(string("ValueNode_Composite::operator():")+_("Bad type for composite"));
 160                         assert(components[0]);
 161                         return (*components[0])(t);
 162         }
 163 }
 164
 165 int
 166 ValueNode_Composite::link_count()const
 167 {
 168         switch(get_type())
 169         {
 170         case ValueBase::TYPE_VECTOR:
 171                 return 2;
 172         case ValueBase::TYPE_COLOR:
 173                 return 4;
 174         case ValueBase::TYPE_SEGMENT:
 175                 return 4;
 176         case ValueBase::TYPE_BLINEPOINT:
 177                 return 6;
 178         default:
 179                 synfig::warning(string("ValueNode_Composite::component_count():")+_("Bad type for composite"));
 180                 return 1;
 181         }
 182 }
 183
 184 bool
 185 ValueNode_Composite::set_link_vfunc(int i,ValueNode::Handle x)
 186 {
 187         assert(i>=0 && i<link_count());
 188
 189         if(PlaceholderValueNode::Handle::cast_dynamic(x))
 190         {
 191                 components[i]=x;
 192                 return true;
 193         }
 194
 195         switch(get_type())
 196         {
 197                 case ValueBase::TYPE_VECTOR:
 198                         if(x->get_type()==ValueBase(Real()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 199                         {
 200                                 components[i]=x;
 201                                 return true;
 202                         }
 203                         break;
 204
 205                 case ValueBase::TYPE_COLOR:
 206                         if(x->get_type()==ValueBase(Real()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 207                         {
 208                                 components[i]=x;
 209                                 return true;
 210                         }
 211                         break;
 212
 213                 case ValueBase::TYPE_SEGMENT:
 214                         if(x->get_type()==ValueBase(Point()).get_type() || PlaceholderValueNode::Handle::cast_dynamic(x))
 215                         {
 216                                 components[i]=x;
 217                                 return true;
 218                         }
 219                         break;
 220
 221                 case ValueBase::TYPE_BLINEPOINT:
 222                         if((i==0 || i==4 || i==5) && x->get_type()==ValueBase(Point()).get_type())
 223                         {
 224                                 components[i]=x;
 225                                 return true;
 226                         }
 227                         if((i==1 || i==2) && x->get_type()==ValueBase(Real()).get_type())
 228                         {
 229                                 components[i]=x;
 230                                 return true;
 231                         }
 232                         if(i==3 && x->get_type()==ValueBase(bool()).get_type())
 233                         {
 234                                 components[i]=x;
 235                                 return true;
 236                         }
 237                         break;
 238
 239                 default:
 240                         break;
 241         }
 242         return false;
 243 }
 244
 245 ValueNode::LooseHandle
 246 ValueNode_Composite::get_link_vfunc(int i)const
 247 {
 248         assert(i>=0 && i<link_count());
 249
 250         return components[i];
 251 }
 252
 253 String
 254 ValueNode_Composite::link_local_name(int i)const
 255 {
 256         assert(i>=0 && i<link_count());
 257
 258         switch(get_type())
 259         {
 260                 case ValueBase::TYPE_VECTOR:
 261                         return strprintf("%c-Axis",'X'+i);
 262
 263                 case ValueBase::TYPE_COLOR:
 264                         if(i==0)
 265                                 return _("Red");
 266                         else if(i==1)
 267                                 return _("Green");
 268                         else if(i==2)
 269                                 return _("Blue");
 270                         else if(i==3)
 271                                 return _("Alpha");
 272
 273                 case ValueBase::TYPE_SEGMENT:
 274                         if(i==0)
 275                                 return _("Vertex 1");
 276                         else if(i==1)
 277                                 return _("Tangent 1");
 278                         else if(i==2)
 279                                 return _("Vertex 2");
 280                         else if(i==3)
 281                                 return _("Tangent 2");
 282
 283                 case ValueBase::TYPE_BLINEPOINT:
 284                         if(i==0)
 285                                 return _("Vertex");
 286                         else if(i==1)
 287                                 return _("Width");
 288                         else if(i==2)
 289                                 return _("Origin");
 290                         else if(i==3)
 291                                 return _("Split Tangents");
 292                         else if(i==4)
 293                                 return _("Tangent 1");
 294                         else if(i==5)
 295                                 return _("Tangent 2");
 296
 297                 default:
 298                         return etl::strprintf(_("C%d"),i+1);
 299         }
 300 }
 301
 302
 303 String
 304 ValueNode_Composite::link_name(int i)const
 305 {
 306         assert(i>=0 && i<link_count());
 307
 308         return strprintf("c%d",i);
 309 }
 310
 311 int
 312 ValueNode_Composite::get_link_index_from_name(const String &name)const
 313 {
 314         if(name.empty())
 315                 throw Exception::BadLinkName(name);
 316
 317         if(name[0]=='c')
 318                 return name[1]-'0';
 319
 320         switch(get_type())
 321         {
 322         case ValueBase::TYPE_COLOR:
 323                 if(name[0]=='r')
 324                         return 0;
 325                 if(name[0]=='g')
 326                         return 1;
 327                 if(name[0]=='b')
 328                         return 2;
 329                 if(name[0]=='a')
 330                         return 3;
 331         case ValueBase::TYPE_SEGMENT:
 332                 if(name=="p1")
 333                         return 0;
 334                 if(name=="t1")
 335                         return 1;
 336                 if(name=="p2")
 337                         return 2;
 338                 if(name=="t2")
 339                         return 3;
 340         case ValueBase::TYPE_VECTOR:
 341                 if(name[0]=='x')
 342                         return 0;
 343                 if(name[0]=='y')
 344                         return 1;
 345                 if(name[0]=='z')
 346                         return 2;
 347         case ValueBase::TYPE_BLINEPOINT:
 348                 if(name[0]=='p' || name=="v1" || name=="p1")
 349                         return 0;
 350                 if(name=="w" || name=="width")
 351                         return 1;
 352                 if(name=="o" || name=="origin")
 353                         return 2;
 354                 if(name=="split")
 355                         return 3;
 356                 if(name=="t1")
 357                         return 4;
 358                 if(name=="t2")
 359                         return 5;
 360         default:
 361                 break;
 362         }
 363
 364         throw Exception::BadLinkName(name);
 365 }
 366
 367 String
 368 ValueNode_Composite::get_name()const
 369 {
 370         return "composite";
 371 }
 372
 373 String
 374 ValueNode_Composite::get_local_name()const
 375 {
 376         return _("Composite");
 377 }
 378
 379 bool
 380 ValueNode_Composite::check_type(ValueBase::Type type)
 381 {
 382         return
 383                 type==ValueBase::TYPE_SEGMENT ||
 384                 type==ValueBase::TYPE_VECTOR ||
 385                 type==ValueBase::TYPE_COLOR ||
 386                 type==ValueBase::TYPE_BLINEPOINT;
 387 }