synfig-core/src/modules/mod_svg/svg_parser.cpp

   1 /* === S Y N F I G ========================================================= */
   2 /*!     \file svg_parser.cpp
   3 **      \brief Implementation of the Svg parser
   4 **      \brief Based on SVG XML specification 1.1
   5 **      \brief See: http://www.w3.org/TR/xml11/ for deatils
   6 **
   7 **      $Id:$
   8 **
   9 **      \legal
  10 **      Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
  11 **      Copyright (c) 2008 Chris Moore
  12 **      Copyright (c) 2009 Carlos A. Sosa Navarro
  13 **
  14 **      This package is free software; you can redistribute it and/or
  15 **      modify it under the terms of the GNU General Public License as
  16 **      published by the Free Software Foundation; either version 2 of
  17 **      the License, or (at your option) any later version.
  18 **
  19 **      This package is distributed in the hope that it will be useful,
  20 **      but WITHOUT ANY WARRANTY; without even the implied warranty of
  21 **      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  22 **      General Public License for more details.
  23 **      \endlegal
  24 */
  25 /* ========================================================================= */
  26
  27 /* === H E A D E R S ======================================================= */
  28
  29 #ifdef HAVE_CONFIG_H
  30 #include <config.h>
  31 #endif
  32
  33 #include <iostream>
  34 #include "svg_parser.h"
  35
  36 /* === U S I N G =========================================================== */
  37
  38 using namespace synfig;
  39
  40 /* === G L O B A L S ======================================================= */
  41
  42 /* === P R O C E D U R E S ================================================= */
  43
  44 Canvas::Handle
  45 synfig::open_svg(std::string _filepath,String &errors, String &warnings){
  46         Canvas::Handle canvas;
  47         Svg_parser parser;
  48         try
  49         {
  50                 canvas=parser.load_svg_canvas(_filepath,errors,warnings);
  51                 //canvas->set_id(parser.get_id());
  52         }catch(...){
  53                 std::cout<<"error"<<std::endl;
  54         }
  55         return canvas;
  56 }
  57
  58 Canvas::Handle
  59 Svg_parser::load_svg_canvas(std::string _filepath,String &errors, String &warnings){
  60         filepath = _filepath;
  61         #ifdef LIBXMLCPP_EXCEPTIONS_ENABLED
  62         try{
  63         #endif //LIBXMLCPP_EXCEPTIONS_ENABLED
  64                 //load parser
  65                 parser.set_substitute_entities();
  66                 parser.parse_file(filepath);
  67                 //set_id(filepath);
  68                 if(parser){
  69                         const xmlpp::Node* pNode = parser.get_document()->get_root_node();
  70                         parser_node(pNode);
  71                 }
  72         #ifdef LIBXMLCPP_EXCEPTIONS_ENABLED
  73         }catch(const std::exception& ex){
  74         std::cout << "Exception caught: " << ex.what() << std::endl;
  75         }
  76         #endif //LIBXMLCPP_EXCEPTIONS_ENABLED
  77         Canvas::Handle canvas;
  78         if(nodeRoot){
  79                 //canvas=synfig::open_canvas(nodeRoot,_filepath,errors,warnings);
  80                 canvas=synfig::open_canvas(nodeRoot,errors,warnings);
  81         }
  82         return canvas;
  83 }
  84
  85 Svg_parser::Svg_parser(){
  86         uid=0;
  87         kux=60;
  88         set_canvas=0;//we must run parser_canvas method
  89         // 0.5 in gamma parameter of color correct layer is 1/0.5 = 2 (thinking) it must be 2.2!!!!
  90         gamma.set_gamma(2.2);
  91 }
  92 /*
  93 String
  94 Svg_parser::get_id(){
  95         if(!id_name.empty()) return id_name;
  96         return "random_id";
  97 }
  98 void
  99 Svg_parser::set_id(String source){
 100         const char bad_chars[]=" :#@$^&()*";
 101         int start=      source.find_last_of('/')+1;
 102         int end=        source.find_last_of('.');
 103         String x=source.substr(start,end-start);
 104         if(!x.empty()){
 105                 for(unsigned int i=0;i<sizeof(bad_chars);i++){
 106                         unsigned int pos=x.find_first_of(bad_chars[i]);
 107                         if(pos!=String::npos)
 108                                 x.erase(pos,1);
 109                 }
 110         }
 111         if(!x.empty()){
 112                 id_name=x;
 113         }else{
 114                 id_name="id_arbitrario";
 115         }
 116 }
 117 */
 118 //UPDATE
 119
 120 void
 121 Svg_parser::parser_node(const xmlpp::Node* node){
 122         const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
 123         const xmlpp::TextNode* nodeText = dynamic_cast<const xmlpp::TextNode*>(node);
 124         const xmlpp::CommentNode* nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node);
 125
 126         if(nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this.
 127         return;
 128
 129         Glib::ustring nodename = node->get_name();
 130         if(!nodeText && !nodeComment && !nodename.empty()){
 131                 if(nodename.compare("svg")==0){
 132                         parser_svg (node);
 133                 }else if(nodename.compare("namedview")==0){
 134                         parser_canvas(node);
 135                 }else if(nodename.compare("defs")==0){
 136                         parser_defs (node);
 137                 }else if(nodename.compare("g")==0){
 138                         if(set_canvas==0) parser_canvas (node);
 139                         parser_layer (node,nodeRoot->add_child("layer"),"",NULL);
 140                         return;
 141                 }else if(nodename.compare("rect")==0){
 142                         if(set_canvas==0) parser_canvas (node);
 143                         parser_rect(node,nodeRoot,"",NULL);
 144                 }else if(nodename.compare("polygon")==0){
 145                         if(set_canvas==0) parser_canvas (node);
 146                         parser_polygon(node,nodeRoot,"",NULL);
 147                 }else if(nodename.compare("path")==0){
 148                         if(set_canvas==0) parser_canvas (node);
 149                         parser_path (node,nodeRoot,"",NULL);
 150                 }
 151         }
 152         if(!nodeContent){
 153         xmlpp::Node::NodeList list = node->get_children();
 154         for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 155                 parser_node(*iter); //recursive
 156         }
 157         }
 158 }
 159
 160 //parser elements
 161 void
 162 Svg_parser::parser_svg (const xmlpp::Node* node){
 163         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 164                 width   =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("width")));
 165                 height  =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("height")));
 166                 docname=nodeElement->get_attribute_value("docname","");
 167         }
 168 }
 169 void
 170 Svg_parser::parser_canvas (const xmlpp::Node* node){
 171         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 172                 if(width.compare("")==0){
 173                         width=nodeElement->get_attribute_value("width","");
 174                 }
 175                 if(height.compare("")==0){
 176                         height=nodeElement->get_attribute_value("height","");
 177                 }
 178                 if(width.compare("")==0 && height.compare("")!=0){
 179                         width=height;
 180                 }
 181                 if(width.compare("")!=0 && height.compare("")==0){
 182                         height=width;
 183                 }
 184                 if(height.compare("")==0 && width.compare("")==0){
 185                         width="1024";
 186                         height="768";
 187                 }
 188                 //build
 189                 nodeRoot=document.create_root_node("canvas", "", "");
 190                 nodeRoot->set_attribute("version","0.5");
 191                 nodeRoot->set_attribute("width",width);
 192                 nodeRoot->set_attribute("height",height);
 193                 nodeRoot->set_attribute("xres","2834.645752");
 194                 nodeRoot->set_attribute("yres","2834.645752");
 195                 float view_x;
 196                 float view_y;
 197                 view_x=atof(width.c_str())/kux;
 198                 view_y=atof(height.c_str())/kux;
 199                 view_x=view_x/2.0;
 200                 view_y=view_y/2.0;
 201                 char attr_view_box[60];
 202                 sprintf(attr_view_box,"%f %f %f %f",-1.0*view_x,view_y,view_x,-1.0*view_y);
 203                 nodeRoot->set_attribute("view-box",attr_view_box);
 204                 ox=atof(width.c_str() )/2;
 205                 oy=atof(height.c_str())/2;
 206                 nodeRoot->set_attribute("antialias","1");
 207                 nodeRoot->set_attribute("fps","24.000");
 208                 nodeRoot->set_attribute("begin-time","0f");
 209                 nodeRoot->set_attribute("end-time","5s");
 210                 nodeRoot->set_attribute("bgcolor","0.500000 0.500000 0.500000 1.000000");
 211                 if(!id_name.empty()) nodeRoot->add_child("name")->set_child_text(id_name);
 212                 else nodeRoot->add_child("name")->set_child_text("Synfig Animation 1");
 213         }
 214         set_canvas=1;
 215         AdjustPointUrl ();
 216 }
 217
 218 void
 219 Svg_parser::parser_rect(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
 220         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 221                 Glib::ustring rect_id           =nodeElement->get_attribute_value("id");
 222                 Glib::ustring rect_style        =nodeElement->get_attribute_value("style");
 223                 Glib::ustring rect_x            =nodeElement->get_attribute_value("x");
 224                 Glib::ustring rect_y            =nodeElement->get_attribute_value("y");
 225                 Glib::ustring rect_width        =nodeElement->get_attribute_value("width");
 226                 Glib::ustring rect_height       =nodeElement->get_attribute_value("height");
 227                 //style
 228                 String fill                     =loadAttribute("fill",rect_style,parent_style,"none");
 229                 String fill_opacity =loadAttribute("fill-opacity",rect_style,parent_style,"1");
 230                 String opacity          =loadAttribute("opacity",rect_style,parent_style,"1");
 231                 //matrix
 232                 //it's some complicated
 233
 234                 //build
 235
 236                 int typeFill=0;
 237                 if(fill.compare(0,3,"url")==0){
 238                         typeFill=2;
 239                         root=nodeStartBasicLayer(root->add_child("layer"));
 240                 }
 241                 xmlpp::Element *child_rect=root->add_child("layer");
 242                 child_rect->set_attribute("type","rectangle");
 243                 child_rect->set_attribute("active","true");
 244                 child_rect->set_attribute("version","0.2");
 245                 child_rect->set_attribute("desc",rect_id);
 246
 247                 build_real(child_rect->add_child("param"),"z_depth",0.0);
 248                 build_real(child_rect->add_child("param"),"amount",1.0);
 249                 build_integer(child_rect->add_child("param"),"blend_method",0);
 250                 build_color (child_rect->add_child("param"),getRed (fill),getGreen (fill),getBlue(fill),atof(opacity.data())*atof(fill_opacity.data()));
 251
 252                 float auxx=atof(rect_x.c_str());
 253                 float auxy=atof(rect_y.c_str());
 254                 coor2vect(&auxx,&auxy);
 255                 build_vector (child_rect->add_child("param"),"point1",auxx,auxy);
 256                 auxx= atof(rect_x.c_str()) + atof(rect_width.c_str());
 257                 auxy= atof(rect_y.c_str()) + atof(rect_height.c_str());
 258                 coor2vect(&auxx,&auxy);
 259                 build_vector (child_rect->add_child("param"),"point2",auxx,auxy);
 260                 if(typeFill==2){
 261                         build_url (root->add_child("layer"),fill,mtx_parent);
 262                 }
 263         }
 264 }
 265 void
 266 Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
 267         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 268                 Glib::ustring label             =nodeElement->get_attribute_value("label");
 269                 Glib::ustring style             =nodeElement->get_attribute_value("style");
 270                 Glib::ustring fill              =nodeElement->get_attribute_value("fill");
 271                 Glib::ustring transform =nodeElement->get_attribute_value("transform");
 272
 273                 String layer_style;
 274                 if(!style.empty()){
 275                         layer_style=style;
 276                 }else if(!fill.empty()){
 277                         layer_style.append("fill:");
 278                         layer_style.append(fill);
 279                 }else if(!parent_style.empty()){
 280                         layer_style=parent_style;
 281                 }
 282                 Matrix* mtx=NULL;
 283                 if(!transform.empty())
 284                         mtx=build_transform (transform);
 285                 if(mtx_parent){
 286                         if(mtx)
 287                                 composeMatrix(&mtx,mtx_parent,mtx);
 288                         else
 289                                 mtx=newMatrix (mtx_parent);
 290                 }
 291                 //build
 292                 root->set_attribute("type","PasteCanvas");
 293                 root->set_attribute("active","true");
 294                 root->set_attribute("version","0.1");
 295                 if(!label.empty())      root->set_attribute("desc",label);
 296                 else            root->set_attribute("desc","unknow layer");
 297
 298                 build_real(root->add_child("param"),"z_depth",0.0);
 299                 build_real(root->add_child("param"),"amount",1.0);
 300                 build_integer(root->add_child("param"),"blend_method",0);
 301                 build_vector (root->add_child("param"),"origin",0,0);
 302
 303                 //printf(" canvas attributes ");
 304                 //canvas
 305                 xmlpp::Element *child_canvas=root->add_child("param");
 306                 child_canvas->set_attribute("name","canvas");
 307                 child_canvas=child_canvas->add_child("canvas");
 308                 const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
 309                 if(!nodeContent){
 310                 xmlpp::Node::NodeList list = node->get_children();
 311                 for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 312                                 Glib::ustring name =(*iter)->get_name();
 313                                 if(name.compare("g")==0){
 314                                         parser_layer (*iter,child_canvas->add_child("layer"),layer_style,mtx);
 315                                 }else if(name.compare("path")==0){
 316                                         parser_path (*iter,child_canvas,layer_style,mtx);
 317                                 }else if(name.compare("polygon")==0){
 318                                         parser_polygon (*iter,child_canvas,layer_style,mtx);
 319                                 }else if(name.compare("rect")==0){
 320                                         parser_rect (*iter,child_canvas,layer_style,mtx);
 321                                 }
 322                 }
 323                 }
 324         }
 325 }
 326 void
 327 Svg_parser::parser_polygon(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
 328         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 329                 //load sub-attributes
 330                 Glib::ustring polygon_style                     =nodeElement->get_attribute_value("style");
 331                 Glib::ustring polygon_id                        =nodeElement->get_attribute_value("id");
 332                 Glib::ustring polygon_points            =nodeElement->get_attribute_value("points");
 333                 Glib::ustring polygon_transform         =nodeElement->get_attribute_value("transform");
 334                 Glib::ustring polygon_fill                      =nodeElement->get_attribute_value("fill");
 335                 String fill                     =loadAttribute("fill",polygon_style,parent_style,polygon_fill,"none");
 336                 String fill_rule        =loadAttribute("fill-rule",polygon_style,parent_style,"evenodd");
 337                 String fill_opacity     =loadAttribute("fill-opacity",polygon_style,parent_style,"1");
 338                 String opacity          =loadAttribute("opacity",polygon_style,parent_style,"1");
 339
 340                 //transforms
 341                 Matrix* mtx=NULL;
 342                 if(!polygon_transform.empty())
 343                         mtx=build_transform (polygon_transform);
 344                 if(mtx_parent){
 345                         if(mtx)
 346                                 composeMatrix(&mtx,mtx_parent,mtx);
 347                         else
 348                                 mtx=newMatrix (mtx_parent);
 349                 }
 350                 //points
 351                 if(polygon_points.empty())
 352                         return;
 353                 std::list<Vertice*> k;
 354                 std::vector<String> tokens=get_tokens_path (polygon_points);
 355                 unsigned int i;
 356                 float ax,ay; ax=ay=0;
 357                 for(i=0;i<tokens.size();i++){
 358                         ax=atof(tokens.at(i).data());
 359                         i++; if(tokens.at(i).compare(",")==0) i++;
 360                         ay=atof(tokens.at(i).data());
 361                         //mtx
 362                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 363                         //adjust
 364                         coor2vect(&ax,&ay);
 365                         //save
 366                         k.push_back(newVertice(ax,ay));
 367                 }
 368                 //escritura
 369                 xmlpp::Element *child_polygon;
 370
 371                 //gradient
 372                 int typeFill=0;
 373                 if(fill.compare(0,3,"url")==0){
 374                         typeFill=2;//gradient
 375                         root=nodeStartBasicLayer(root->add_child("layer"));
 376                 }
 377                 child_polygon=root->add_child("layer");
 378                 child_polygon->set_attribute("type","polygon");
 379                 child_polygon->set_attribute("active","true");
 380                 child_polygon->set_attribute("version","0.1");
 381                 child_polygon->set_attribute("desc",polygon_id);
 382                 build_param (child_polygon->add_child("param"),"z_depth","real","0.0000000000");
 383                 build_param (child_polygon->add_child("param"),"amount","real","1.0000000000");
 384                 build_param (child_polygon->add_child("param"),"blend_method","integer","0");
 385                 build_color (child_polygon->add_child("param"),getRed(fill),getGreen(fill),getBlue(fill),atof(fill_opacity.data())*atof(opacity.data()));
 386                 build_vector(child_polygon->add_child("param"),"offset",0,0);
 387                 build_param (child_polygon->add_child("param"),"invert","bool","false");
 388                 build_param (child_polygon->add_child("param"),"antialias","bool","true");
 389                 build_param (child_polygon->add_child("param"),"feather","real","0.0000000000");
 390                 build_param (child_polygon->add_child("param"),"blurtype","integer","1");
 391                 if(fill_rule.compare("evenodd")==0) build_param (child_polygon->add_child("param"),"winding_style","integer","1");
 392                 else build_param (child_polygon->add_child("param"),"winding_style","integer","0");
 393                 build_points (child_polygon->add_child("param"),k);
 394
 395                 if(typeFill==2){
 396                         build_url(root->add_child("layer"),fill,mtx);
 397                 }
 398         }
 399 }
 400 void
 401 Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
 402         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 403                 //load sub-attributes
 404                 Glib::ustring path_style                =nodeElement->get_attribute_value("style");
 405                 Glib::ustring path_id                   =nodeElement->get_attribute_value("id");
 406                 Glib::ustring path_d                    =nodeElement->get_attribute_value("d");
 407                 Glib::ustring path_transform    =nodeElement->get_attribute_value("transform");
 408                 Glib::ustring path_fill                 =nodeElement->get_attribute_value("fill");
 409
 410                 String fill                             =loadAttribute("fill",path_style,parent_style,path_fill,"none");
 411                 String fill_rule                =loadAttribute("fill-rule",path_style,parent_style,"evenodd");
 412                 String stroke                   =loadAttribute("stroke",path_style,parent_style,"none");
 413                 String stroke_width             =loadAttribute("stroke-width",path_style,parent_style,"1px");
 414                 String stroke_linecap   =loadAttribute("stroke-linecap",path_style,parent_style,"butt");
 415                 String stroke_linejoin  =loadAttribute("stroke-linejoin",path_style,parent_style,"miter");
 416                 String stroke_opacity   =loadAttribute("stroke-opacity",path_style,parent_style,"1");
 417                 String fill_opacity             =loadAttribute("fill-opacity",path_style,parent_style,"1");
 418                 String opacity                  =loadAttribute("opacity",path_style,parent_style,"1");
 419
 420                 //resolve transformations
 421                 Matrix* mtx=NULL;
 422                 if(!path_transform.empty())
 423                         mtx=build_transform (path_transform);
 424                 if(mtx_parent){
 425                         if(mtx)
 426                                 composeMatrix(&mtx,mtx_parent,mtx);
 427                         else
 428                                 mtx=newMatrix(mtx_parent);
 429                 }
 430                 //parser path_d attribute, this is obviously important
 431                 std::list<std::list<Vertice*> > k;
 432                 k=parser_path_d (path_d,mtx);
 433
 434                 //Fill
 435                 int typeFill=0; //nothing
 436
 437                 if(fill.compare("none")!=0){
 438                         typeFill=1; //simple
 439                 }
 440                 if(typeFill==1 && fill.compare(0,3,"url")==0){
 441                         typeFill=2;     //gradient
 442                 }
 443                 //Stroke
 444                 int typeStroke=0;//nothing
 445
 446                 if(stroke.compare("none")!=0){
 447                         typeStroke=1; //simple
 448                 }
 449                 if(typeStroke==1 && stroke.compare(0,3,"url")==0){
 450                         typeStroke=2;   //gradient
 451                 }
 452                 String bline_id;
 453                 String offset_id;
 454                 int n=k.size();
 455                 if(n!=1){ //if n is > than 1 then we must create a paste canvas for all paths
 456                         root=nodeStartBasicLayer(root->add_child("layer"));
 457                 }
 458                 std::list<std::list<Vertice*> >::iterator aux = k.begin();
 459                 for (; aux!=k.end(); aux++){
 460                         if(typeFill!=0 && typeStroke!=0){
 461                                 bline_id=new_guid();
 462                                 offset_id=new_guid();
 463                         }
 464                         if(typeFill==1 || typeFill==2){//region layer
 465                                 xmlpp::Element *child_fill=root;
 466                                 if(n==1 && typeFill==2){//open gradient or url (fill)
 467                                         child_fill=nodeStartBasicLayer(root->add_child("layer"));
 468                                 }
 469                                 xmlpp::Element *child_region=child_fill->add_child("layer");
 470                                 child_region->set_attribute("type","region");
 471                                 child_region->set_attribute("active","true");
 472                                 child_region->set_attribute("version","0.1");
 473                                 child_region->set_attribute("desc",path_id);
 474                                 build_param (child_region->add_child("param"),"z_depth","real","0.0000000000");
 475                                 build_param (child_region->add_child("param"),"amount","real","1.0000000000");
 476                                 build_param (child_region->add_child("param"),"blend_method","integer","0");
 477                                 build_color (child_region->add_child("param"),getRed(fill),getGreen(fill),getBlue(fill),atof(fill_opacity.data())*atof(opacity.data()));
 478                                 if(offset_id.empty())   build_vector (child_region->add_child("param"),"offset",0,0);
 479                                 else    build_vector (child_region->add_child("param"),"offset",0,0,offset_id);
 480                                 build_param (child_region->add_child("param"),"invert","bool","false");
 481                                 build_param (child_region->add_child("param"),"antialias","bool","true");
 482                                 build_param (child_region->add_child("param"),"feather","real","0.0000000000");
 483                                 build_param (child_region->add_child("param"),"blurtype","integer","1");
 484                                 if(fill_rule.compare("evenodd")==0) build_param (child_region->add_child("param"),"winding_style","integer","1");
 485                                 else build_param (child_region->add_child("param"),"winding_style","integer","0");
 486
 487                                 build_bline (child_region->add_child("param"),*aux,loop,bline_id);
 488
 489                                 if(n==1 && typeFill==2){ //gradient in onto mode (fill)
 490                                         build_url(child_fill->add_child("layer"),fill,mtx);
 491                                 }
 492                         }
 493
 494                         if(typeStroke==1 || typeStroke==2){     //layer outline
 495                                 xmlpp::Element *child_stroke=root;
 496                                 if(n==1 && typeStroke==2){//open gradient in straigth onto (stroke)
 497                                         child_stroke=nodeStartBasicLayer(root->add_child("layer"));
 498                                 }
 499                                 xmlpp::Element *child_outline=child_stroke->add_child("layer");
 500                                 child_outline->set_attribute("type","outline");
 501                                 child_outline->set_attribute("active","true");
 502                                 child_outline->set_attribute("version","0.2");
 503                                 child_outline->set_attribute("desc",path_id);
 504                                 build_param (child_outline->add_child("param"),"z_depth","real","0.0000000000");
 505                                 build_param (child_outline->add_child("param"),"amount","real","1.0000000000");
 506                                 build_param (child_outline->add_child("param"),"blend_method","integer","0");
 507                                 build_color (child_outline->add_child("param"),getRed(stroke),getGreen(stroke),getBlue(stroke),atof(stroke_opacity.data())*atof(opacity.data()));
 508                                 if(offset_id.empty()) build_vector (child_outline->add_child("param"),"offset",0,0);
 509                                 else build_vector (child_outline->add_child("param"),"offset",0,0,offset_id);
 510                                 build_param (child_outline->add_child("param"),"invert","bool","false");
 511                                 build_param (child_outline->add_child("param"),"antialias","bool","true");
 512                                 build_param (child_outline->add_child("param"),"feather","real","0.0000000000");
 513                                 build_param (child_outline->add_child("param"),"blurtype","integer","1");
 514                                 //outline in nonzero
 515                                 build_param (child_outline->add_child("param"),"winding_style","integer","0");
 516
 517                                 build_bline (child_outline->add_child("param"),*aux,loop,bline_id);
 518
 519                                 stroke_width=etl::strprintf("%f",getDimension(stroke_width)/kux);
 520                                 build_param (child_outline->add_child("param"),"width","real",stroke_width);
 521                                 build_param (child_outline->add_child("param"),"expand","real","0.0000000000");
 522                                 if(stroke_linejoin.compare("miter")==0) build_param (child_outline->add_child("param"),"sharp_cusps","bool","true");
 523                                 else build_param (child_outline->add_child("param"),"sharp_cusps","bool","false");
 524                                 if(stroke_linecap.compare("butt")==0){
 525                                         build_param (child_outline->add_child("param"),"round_tip[0]","bool","false");
 526                                         build_param (child_outline->add_child("param"),"round_tip[1]","bool","false");
 527                                 }else{
 528                                         build_param (child_outline->add_child("param"),"round_tip[0]","bool","true");
 529                                         build_param (child_outline->add_child("param"),"round_tip[1]","bool","true");
 530                                 }
 531                                 build_param (child_outline->add_child("param"),"loopyness","real","1.0000000000");
 532                                 build_param (child_outline->add_child("param"),"homogeneous_width","bool","true");
 533
 534                                 if(n==1 && typeStroke==2){ //gradient in onto mode (stroke)
 535                                         build_url(child_stroke->add_child("layer"),stroke,mtx);
 536                                 }
 537                         }
 538                 }
 539                 if(n!=1){//only fill for several canvas in one path
 540                         if(typeFill==2){
 541                                 build_url(root->add_child("layer"),fill,mtx);
 542                         }
 543                 }
 544         }
 545 }
 546
 547 std::vector<String>
 548 Svg_parser::get_tokens_path(String path){ //mini path lexico-parser
 549         std::vector<String> tokens;
 550         String buffer;
 551         int e=0;
 552         unsigned int i=0;
 553         char a;
 554         while(i<path.size()){
 555                 a=path.at(i);
 556                 switch(e){
 557                         case 0: //initial state
 558                                         if(a=='m'){ e=1; i++;}
 559                                         else if(a=='c'){ e= 2; i++;}
 560                                         else if(a=='q'){ e= 3; i++;}
 561                                         else if(a=='t'){ e= 4; i++;}
 562                                         else if(a=='a'){ e= 5; i++;}
 563                                         else if(a=='l'){ e= 6; i++;}
 564                                         else if(a=='v'){ e= 7; i++;}
 565                                         else if(a=='h'){ e= 8; i++;}
 566                                         else if(a=='M'){ e= 9; i++;}
 567                                         else if(a=='C'){ e=10; i++;}
 568                                         else if(a=='Q'){ e=11; i++;}
 569                                         else if(a=='T'){ e=12; i++;}
 570                                         else if(a=='A'){ e=13; i++;}
 571                                         else if(a=='L'){ e=14; i++;}
 572                                         else if(a=='V'){ e=15; i++;}
 573                                         else if(a=='H'){ e=16; i++;}
 574                                         else if(a=='z' || a=='Z'){ e=17; i++;}
 575                                         else if(a=='-' ||a=='.'|| isdigit (a)){ e=18;}
 576                                         else if(a==','){ e=19; i++;}
 577                                         else if(a==' '){i++;}
 578                                         break;
 579                         //relative
 580                         case 1 : tokens.push_back("m"); e=0; break;//move
 581                         case 2 : tokens.push_back("c"); e=0; break;//curve
 582                         case 3 : tokens.push_back("q"); e=0; break;//quadratic
 583                         case 4 : tokens.push_back("t"); e=0; break;//smooth quadratic
 584                         case 5 : tokens.push_back("a"); e=0; break;//elliptic arc
 585                         case 6 : tokens.push_back("l"); e=0; break;//line to
 586                         case 7 : tokens.push_back("v"); e=0; break;//vertical
 587                         case 8 : tokens.push_back("h"); e=0; break;//horizontal
 588                         //absolute
 589                         case 9 : tokens.push_back("M"); e=0; break;
 590                         case 10: tokens.push_back("C"); e=0; break;
 591                         case 11: tokens.push_back("Q"); e=0; break;
 592                         case 12: tokens.push_back("T"); e=0; break;
 593                         case 13: tokens.push_back("A"); e=0; break;
 594                         case 14: tokens.push_back("L"); e=0; break;
 595                         case 15: tokens.push_back("V"); e=0; break;
 596                         case 16: tokens.push_back("H"); e=0; break;
 597
 598                         case 17: tokens.push_back("z"); e=0; break;//loop
 599                         case 18: if(a=='-'||a=='.'|| isdigit (a)){
 600                                                 buffer.append(path.substr(i,1));i++;
 601                                         }else{
 602                                                 e=20;
 603                                         }
 604                                         break;
 605                         case 19: tokens.push_back(","); e=0; break;
 606                         case 20: tokens.push_back(buffer);
 607                                         buffer.clear();
 608                                         e=0; break;
 609                         default: break;
 610                 }
 611         }
 612         switch(e){//last element
 613                 case 1 : tokens.push_back("m"); break;
 614                 case 2 : tokens.push_back("c"); break;
 615                 case 3 : tokens.push_back("q"); break;
 616                 case 4 : tokens.push_back("t"); break;
 617                 case 5 : tokens.push_back("a"); break;
 618                 case 6 : tokens.push_back("l"); break;
 619                 case 7 : tokens.push_back("v"); break;
 620                 case 8 : tokens.push_back("h"); break;
 621                 case 9 : tokens.push_back("M"); break;
 622                 case 10: tokens.push_back("C"); break;
 623                 case 11: tokens.push_back("Q"); break;
 624                 case 12: tokens.push_back("T"); break;
 625                 case 13: tokens.push_back("A"); break;
 626                 case 14: tokens.push_back("L"); break;
 627                 case 15: tokens.push_back("V"); break;
 628                 case 16: tokens.push_back("H"); break;
 629                 case 17: tokens.push_back("z"); break;
 630                 case 18: tokens.push_back(buffer); break;
 631                 case 19: tokens.push_back(","); break;
 632                 case 20: tokens.push_back(buffer); break;
 633                 default: break;
 634         }
 635         return tokens;
 636 }
 637
 638 std::list<std::list<Vertice*> >
 639 Svg_parser::parser_path_d(String path_d,Matrix* mtx){
 640         std::list<std::list<Vertice*> > k;
 641         std::list<Vertice*> k1;
 642         float ax,ay,tgx,tgy,tgx2,tgy2;//each method
 643         float actual_x=0,actual_y=0;//for relative methods;
 644         loop=false;
 645         unsigned int i;
 646         std::vector<String> tokens=get_tokens_path(path_d);
 647         for(i=0;i<tokens.size();i++){
 648                 if(tokens.at(i).compare("M")==0){//absolute move to
 649                         if(!k1.empty())
 650                                 k.push_front(k1);
 651                         k1.clear();
 652                         //read
 653                         i++; ax=atof(tokens.at(i).data());
 654                         i++; if(tokens.at(i).compare(",")==0) i++;
 655                         ay=atof(tokens.at(i).data());
 656                         actual_x=ax;
 657                         actual_y=ay;
 658                         //operate and save
 659                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 660                         coor2vect(&ax,&ay);
 661                         k1.push_back(newVertice (ax,ay)); //first element
 662                         setSplit(k1.back(),TRUE);
 663                 }else if(tokens.at(i).compare("C")==0){ //absolute curve
 664                         //tg2
 665                         i++; tgx2=atof(tokens.at(i).data());
 666                         i++; if(tokens.at(i).compare(",")==0) i++;
 667                         tgy2=atof(tokens.at(i).data());
 668                         //tg1
 669                         i++; tgx=atof(tokens.at(i).data());
 670                         i++; if(tokens.at(i).compare(",")==0) i++;
 671                         tgy=atof(tokens.at(i).data());
 672                         //point
 673                         i++; ax=atof(tokens.at(i).data());
 674                         i++; if(tokens.at(i).compare(",")==0) i++;
 675                         ay=atof(tokens.at(i).data());
 676                         actual_x=ax;
 677                         actual_y=ay;
 678                         //mtx
 679                         if(mtx){
 680                                 transformPoint2D(mtx,&tgx2,&tgy2);
 681                                 transformPoint2D(mtx,&ax,&ay);
 682                                 transformPoint2D(mtx,&tgx,&tgy);
 683                         }
 684                         //adjust
 685                         coor2vect(&tgx2,&tgy2);
 686                         coor2vect(&ax,&ay);
 687                         coor2vect(&tgx,&tgy);
 688                         //save
 689                         setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 690                         if(isFirst(k1.front(),ax,ay)){
 691                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 692                         }else{
 693                                 k1.push_back(newVertice (ax,ay));
 694                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 695                                 setSplit(k1.back(),TRUE);
 696                         }
 697                 }else if(tokens.at(i).compare("Q")==0){ //absolute quadractic curve
 698                         //tg1 and tg2
 699                         i++; tgx=ax=atof(tokens.at(i).data());
 700                         i++; if(tokens.at(i).compare(",")==0) i++;
 701                         tgy=ay=atof(tokens.at(i).data());
 702                         //point
 703                         i++; ax=atof(tokens.at(i).data());
 704                         i++; if(tokens.at(i).compare(",")==0) i++;
 705                         ay=atof(tokens.at(i).data());
 706                         actual_x=ax;
 707                         actual_y=ay;
 708                         //mtx
 709                         if(mtx){
 710                                 transformPoint2D(mtx,&ax,&ay);
 711                                 transformPoint2D(mtx,&tgx,&tgy);
 712                         }
 713                         //adjust
 714                         coor2vect(&ax,&ay);
 715                         coor2vect(&tgx,&tgy);
 716                         //save
 717                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 718                         setSplit(k1.back(),FALSE);
 719                         k1.push_back(newVertice (ax,ay));
 720                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 721                 }else if(tokens.at(i).compare("L")==0){ //absolute line to
 722                         //point
 723                         i++; ax=atof(tokens.at(i).data());
 724                         i++; if(tokens.at(i).compare(",")==0) i++;
 725                         ay=atof(tokens.at(i).data());
 726                         actual_x=ax;
 727                         actual_y=ay;
 728                         //mtx
 729                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 730                         //adjust
 731                         coor2vect(&ax,&ay);
 732                         //save
 733                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 734                         if(isFirst(k1.front(),ax,ay)){
 735                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 736                         }else{
 737                                 k1.push_back(newVertice(ax,ay));
 738                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 739                         }
 740                 }else if(tokens.at(i).compare("l")==0){//relative line to
 741                         //point read
 742                         i++; ax=atof(tokens.at(i).data());
 743                         i++; if(tokens.at(i).compare(",")==0) i++;
 744                         ay=atof(tokens.at(i).data());
 745                         //relative
 746                         ax=actual_x+ax;
 747                         ay=actual_y+ay;
 748                         actual_x=ax;
 749                         actual_y=ay;
 750                         //mtx
 751                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 752                         //adjust
 753                         coor2vect(&ax,&ay);
 754                         //save
 755                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 756                         if(isFirst(k1.front(),ax,ay)){
 757                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 758                         }else{
 759                                 k1.push_back(newVertice(ax,ay));
 760                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 761                         }
 762                 }else if(tokens.at(i).compare("H")==0){//absolute horizontal move
 763                         //the same that L but only Horizontal movement
 764                         //point
 765                         i++; ax=atof(tokens.at(i).data());
 766                         ay=actual_y;
 767                         actual_x=ax;
 768                         actual_y=ay;
 769                         //mtx
 770                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 771                         //adjust
 772                         coor2vect(&ax,&ay);
 773                         //save
 774                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 775                         if(isFirst(k1.front(),ax,ay)){
 776                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 777                         }else{
 778                                 k1.push_back(newVertice(ax,ay));
 779                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 780                         }
 781                 }else if(tokens.at(i).compare("h")==0){//horizontal relative
 782                         i++; ax=atof(tokens.at(i).data());
 783                         ax=actual_x+ax;
 784                         ay=actual_y;
 785                         actual_x=ax;
 786                         actual_y=ay;
 787                         //mtx
 788                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 789                         //adjust
 790                         coor2vect(&ax,&ay);
 791                         //save
 792                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 793                         if(isFirst(k1.front(),ax,ay)){
 794                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 795                         }else{
 796                                 k1.push_back(newVertice(ax,ay));
 797                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 798                         }
 799                 }else if(tokens.at(i).compare("V")==0){//vertical absolute
 800                         //point
 801                         i++; ay=atof(tokens.at(i).data());
 802                         ax=actual_x;
 803                         actual_x=ax;
 804                         actual_y=ay;
 805                         //mtx
 806                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 807                         //adjust
 808                         coor2vect(&ax,&ay);
 809                         //save
 810                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 811                         if(isFirst(k1.front(),ax,ay)){
 812                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 813                         }else{
 814                                 k1.push_back(newVertice(ax,ay));
 815                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 816                         }
 817                 }else if(tokens.at(i).compare("v")==0){//relative
 818                         //point
 819                         i++; ay=atof(tokens.at(i).data());
 820                         ax=actual_x;
 821                         ay=actual_y+ay;
 822                         actual_x=ax;
 823                         actual_y=ay;
 824                         //mtx
 825                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 826                         //adjust
 827                         coor2vect(&ax,&ay);
 828                         //save
 829                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 830                         if(isFirst(k1.front(),ax,ay)){
 831                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 832                         }else{
 833                                 k1.push_back(newVertice(ax,ay));
 834                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 835                         }
 836                 }else if(tokens.at(i).compare("T")==0){// I don't know what does it
 837                 }else if(tokens.at(i).compare("A")==0){//elliptic arc
 838
 839                         //isn't complete support, is only for circles
 840
 841                         //this curve have 6 parameters
 842                         //radio
 843                         float radio_x,radio_y;
 844                         float angle;
 845                         bool sweep,large;
 846                         //radio
 847                         i++; radio_x=atof(tokens.at(i).data());
 848                         i++; if(tokens.at(i).compare(",")==0) i++;
 849                         radio_y=atof(tokens.at(i).data());
 850                         //angle
 851                         i++; angle=atof(tokens.at(i).data());
 852                         //flags
 853                         i++; large=atoi(tokens.at(i).data());
 854                         i++; sweep=atoi(tokens.at(i).data());
 855                         //point
 856                         i++; ax=atof(tokens.at(i).data());
 857                         i++; if(tokens.at(i).compare(",")==0) i++;
 858                         ay=atof(tokens.at(i).data());
 859                         //how to draw?
 860                         if(!large && !sweep){
 861                                 //points
 862                                 tgx2 = actual_x + radio_x*0.5;
 863                                 tgy2 = actual_y ;
 864                                 tgx  = ax;
 865                                 tgy  = ay + radio_y*0.5;
 866                                 actual_x=ax;
 867                                 actual_y=ay;
 868                                 //transformations
 869                                 if(mtx){
 870                                         transformPoint2D(mtx,&tgx2,&tgy2);
 871                                         transformPoint2D(mtx,&ax,&ay);
 872                                         transformPoint2D(mtx,&tgx,&tgy);
 873                                 }
 874                                 //adjust
 875                                 coor2vect(&tgx2,&tgy2);
 876                                 coor2vect(&ax,&ay);
 877                                 coor2vect(&tgx,&tgy);
 878                                 //save
 879                                 setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 880                                 if(isFirst(k1.front(),ax,ay)){
 881                                         setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 882                                 }else{
 883                                         k1.push_back(newVertice (ax,ay));
 884                                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 885                                         setSplit(k1.back(),TRUE);
 886                                 }
 887                         }else if(!large &&  sweep){
 888                                 //points
 889                                 tgx2 = actual_x;
 890                                 tgy2 = actual_y + radio_y*0.5;
 891                                 tgx  = ax + radio_x*0.5;
 892                                 tgy  = ay ;
 893                                 actual_x=ax;
 894                                 actual_y=ay;
 895                                 //transformations
 896                                 if(mtx){
 897                                         transformPoint2D(mtx,&tgx2,&tgy2);
 898                                         transformPoint2D(mtx,&ax,&ay);
 899                                         transformPoint2D(mtx,&tgx,&tgy);
 900                                 }
 901                                 //adjust
 902                                 coor2vect(&tgx2,&tgy2);
 903                                 coor2vect(&ax,&ay);
 904                                 coor2vect(&tgx,&tgy);
 905                                 //save
 906                                 setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 907                                 if(isFirst(k1.front(),ax,ay)){
 908                                         setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 909                                 }else{
 910                                         k1.push_back(newVertice (ax,ay));
 911                                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 912                                         setSplit(k1.back(),TRUE);
 913                                 }
 914                         }else if( large && !sweep){//rare
 915                                 //this need more than one vertex
 916                         }else if( large &&  sweep){//circles in inkscape are made with this kind of arc
 917                                 if(actual_y==ay){//circles
 918                                         //intermediate point
 919                                         int sense=1;
 920                                         if(actual_x>ax) sense =-1;
 921                                         float in_x,in_y,in_tgx1,in_tgy1,in_tgx2,in_tgy2;
 922                                         in_x = (actual_x+ax)/2;
 923                                         in_y = actual_y - sense*radio_y;
 924                                         in_tgx1 = in_x - sense*(radio_x*0.5);
 925                                         in_tgx2 = in_x + sense*(radio_x*0.5);
 926                                         in_tgy1 = in_y;
 927                                         in_tgy2 = in_y;
 928                                         //start/end points
 929                                         tgx2=actual_x;
 930                                         tgy2=ay - sense*(radio_y*0.5);
 931                                         tgx =ax;
 932                                         tgy =ay - sense*(radio_y*0.5);
 933
 934                                         actual_x=ax;
 935                                         actual_y=ay;
 936                                         //transformations
 937                                         if(mtx){
 938                                                 transformPoint2D(mtx,&tgx2,&tgy2);
 939                                                 transformPoint2D(mtx,&tgx ,&tgy );
 940                                                 transformPoint2D(mtx,&ax,&ay);
 941
 942                                                 transformPoint2D(mtx,&in_tgx2,&in_tgy2);
 943                                                 transformPoint2D(mtx,&in_tgx1,&in_tgy1);
 944                                                 transformPoint2D(mtx,&in_x,&in_y);
 945                                         }
 946                                         //adjust
 947                                         coor2vect(&tgx2 , &tgy2);
 948                                         coor2vect(&ax   , &ay  );
 949                                         coor2vect(&tgx  , &tgy );
 950
 951                                         coor2vect(&in_tgx2 , &in_tgy2);
 952                                         coor2vect(&in_tgx1 , &in_tgy1);
 953                                         coor2vect(&in_x    , &in_y   );
 954
 955                                         //save the last tg2
 956                                         setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 957                                         //save the intermediate point
 958                                         k1.push_back(newVertice (in_x,in_y));
 959                                         setTg1(k1.back(),k1.back()->x,k1.back()->y, in_tgx1 , in_tgy1);
 960                                         setTg2(k1.back(),k1.back()->x,k1.back()->y, in_tgx2 , in_tgy2);
 961                                         setSplit(k1.back(),TRUE); //this could be changed
 962                                         //save the new point
 963                                         if(isFirst(k1.front(),ax,ay)){
 964                                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 965                                         }else{
 966                                                 k1.push_back(newVertice (ax,ay));
 967                                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 968                                                 setSplit(k1.back(),TRUE);
 969                                         }
 970                                 }
 971                         }
 972                 }else if(tokens.at(i).compare("z")==0){
 973                         loop=true;
 974                 }else{
 975                         std::cout<<"don't supported: "<<tokens.at(i)<<std::endl;
 976                 }
 977         }
 978         if(!k1.empty())
 979                 k.push_front(k1); //last element
 980         return k;
 981 }
 982
 983 void
 984 Svg_parser::parser_defs(const xmlpp::Node* node){
 985         const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
 986         if(!nodeContent){
 987                 xmlpp::Node::NodeList list = node->get_children();
 988                 for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 989                         Glib::ustring name =(*iter)->get_name();
 990                         if(name.compare("linearGradient")==0){
 991                                 parser_linearGradient(*iter);
 992                         }else if(name.compare("radialGradient")==0){
 993                                 parser_radialGradient(*iter);
 994                         }
 995                 }
 996         }
 997 }
 998 void
 999 Svg_parser::AdjustPointUrl(){
1000 /*
1001         if(!lg.empty()){//linealgradient
1002                 std::list<LinearGradient*>::iterator aux=lg.begin();
1003                 while(aux!=lg.end()){
1004                         LinearGradient* auxlg=*aux;
1005                         coor2vect (&auxlg->x1,&auxlg->y1);
1006                         coor2vect (&auxlg->x2,&auxlg->y2);
1007                         aux++;
1008                 }
1009         }
1010         if(!rg.empty()){//radialgradient
1011                 std::list<RadialGradient*>::iterator aux=rg.begin();
1012                 while(aux!=rg.end()){
1013                         RadialGradient* auxrg=*aux;
1014                         coor2vect (&auxrg->cx,&auxrg->cy);
1015                         auxrg->r= auxrg->r/kux;
1016                         aux++;
1017                 }
1018         }
1019 */
1020 }
1021 std::list<ColorStop*>*
1022 Svg_parser::find_colorStop(String name){
1023         if(!name.empty()){
1024                 if(lg.empty()&& rg.empty())
1025                         return NULL;
1026
1027                 String find= name;
1028                 if(find.at(0)=='#') find.erase(0,1);
1029                 else return NULL;
1030                 std::list<LinearGradient*>::iterator aux=lg.begin();
1031                 while(aux!=lg.end()){//only find into linear gradients
1032                         if(find.compare((*aux)->name)==0){
1033                                 return (*aux)->stops;
1034                         }
1035                         aux++;
1036                 }
1037         }
1038         return NULL;
1039 }
1040 void
1041 Svg_parser::build_url(xmlpp::Element* root, String name,Matrix *mtx){
1042         if(!name.empty()){
1043                 if(lg.empty()&& rg.empty())
1044                         root->get_parent()->remove_child(root);
1045
1046                 int start=name.find_first_of("#")+1;
1047                 int end=name.find_first_of(")");
1048                 String find= name.substr(start,end-start);
1049                 bool encounter=false;
1050                 if(!lg.empty()){
1051                         std::list<LinearGradient*>::iterator aux=lg.begin();
1052                         while(aux!=lg.end()){
1053                                 if(find.compare((*aux)->name)==0){
1054                                         build_linearGradient (root,*aux,mtx);
1055                                         encounter=true;
1056                                 }
1057                                 aux++;
1058                         }
1059                 }
1060                 if(!encounter && !rg.empty()){
1061                         std::list<RadialGradient*>::iterator aux=rg.begin();
1062                         while(aux!=rg.end()){
1063                                 if(find.compare((*aux)->name)==0){
1064                                         build_radialGradient (root,*aux,mtx);
1065                                         encounter=true;
1066                                 }
1067                                 aux++;
1068                         }
1069                 }
1070                 if(!encounter)
1071                         root->get_parent()->remove_child(root);
1072         }else{
1073                 root->get_parent()->remove_child(root);
1074         }
1075 }
1076 void
1077 Svg_parser::build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops){
1078         std::list<ColorStop*>::iterator aux_stop=stops->begin();
1079         while(aux_stop!=stops->end()){
1080                 xmlpp::Element *child=root->add_child("color");
1081                 child->set_attribute("pos",etl::strprintf("%f",(*aux_stop)->pos));
1082                 child->add_child("r")->set_child_text(etl::strprintf("%f",(*aux_stop)->r));
1083                 child->add_child("g")->set_child_text(etl::strprintf("%f",(*aux_stop)->g));
1084                 child->add_child("b")->set_child_text(etl::strprintf("%f",(*aux_stop)->b));
1085                 child->add_child("a")->set_child_text(etl::strprintf("%f",(*aux_stop)->a));
1086                 aux_stop++;
1087         }
1088 }
1089 void
1090 Svg_parser::build_linearGradient(xmlpp::Element* root,LinearGradient* data,Matrix* mtx){
1091         if(data){
1092                 root->set_attribute("type","linear_gradient");
1093                 root->set_attribute("active","true");
1094                 root->set_attribute("desc","Gradient004");
1095                 build_param (root->add_child("param"),"z_depth","real","0");
1096                 build_param (root->add_child("param"),"amount","real","1");
1097                 //straight onto
1098                 build_param (root->add_child("param"),"blend_method","integer","21");
1099                 float x1,y1,x2,y2;
1100                 x1=data->x1;
1101                 y1=data->y1;
1102                 x2=data->x2;
1103                 y2=data->y2;
1104                 if(mtx){
1105                         transformPoint2D(mtx,&x1,&y1);
1106                         transformPoint2D(mtx,&x2,&y2);
1107                 }
1108                 coor2vect (&x1,&y1);
1109                 coor2vect (&x2,&y2);
1110
1111                 build_vector (root->add_child("param"),"p1",x1,y1);
1112                 build_vector (root->add_child("param"),"p2",x2,y2);
1113                 //gradient link
1114                 xmlpp::Element *child=root->add_child("param");
1115                 child->set_attribute("name","gradient");
1116                 build_stop_color (child->add_child("gradient"),data->stops);
1117                 build_param (root->add_child("param"),"loop","bool","false");
1118                 build_param (root->add_child("param"),"zigzag","bool","false");
1119         }
1120 }
1121 void
1122 Svg_parser::build_radialGradient(xmlpp::Element* root,RadialGradient* data,Matrix* mtx){
1123 //not completed
1124         if(data){
1125                 root->set_attribute("type","radial_gradient");
1126                 root->set_attribute("active","true");
1127                 build_param (root->add_child("param"),"z_depth","real","0");
1128                 build_param (root->add_child("param"),"amount","real","1");
1129                 //straight onto
1130                 build_param (root->add_child("param"),"blend_method","integer","21");
1131                 //gradient link
1132                 xmlpp::Element *child=root->add_child("param");
1133                 child->set_attribute("name","gradient");
1134                 build_stop_color (child->add_child("gradient"),data->stops);
1135                 //here the center point and radio
1136                 float cx=data->cx;
1137                 float cy=data->cy;
1138                 float r =data->r;
1139                 //transform
1140                 if(mtx){
1141                         transformPoint2D(mtx,&cx,&cy);
1142                 }
1143                 //adjust
1144                 coor2vect (&cx,&cy);
1145                 r=r/kux;
1146                 build_vector (root->add_child("param"),"center",cx,cy);
1147                 build_param (root->add_child("param"),"radius","real",r);
1148
1149                 build_param (root->add_child("param"),"loop","bool","false");
1150                 build_param (root->add_child("param"),"zigzag","bool","false");
1151         }
1152 }
1153
1154 void
1155 Svg_parser::parser_linearGradient(const xmlpp::Node* node){
1156         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
1157                 Glib::ustring id        =nodeElement->get_attribute_value("id");
1158                 float x1                        =atof(nodeElement->get_attribute_value("x1").data());
1159                 float y1                        =atof(nodeElement->get_attribute_value("y1").data());
1160                 float x2                        =atof(nodeElement->get_attribute_value("x2").data());
1161                 float y2                        =atof(nodeElement->get_attribute_value("y2").data());
1162                 Glib::ustring link      =nodeElement->get_attribute_value("href");
1163
1164                 std::list<ColorStop*> *stops;
1165                 if(!link.empty()){
1166                         stops=find_colorStop (link);
1167                 }else{
1168                         //color stops
1169                         stops=new std::list<ColorStop*>();
1170                         const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
1171                         if(!nodeContent){
1172                         xmlpp::Node::NodeList list = node->get_children();
1173                         for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
1174                                         Glib::ustring name =(*iter)->get_name();
1175                                         if(name.compare("stop")==0){
1176                                                 const xmlpp::Element* nodeIter = dynamic_cast<const xmlpp::Element*>(*iter);
1177                                                 Glib::ustring style     =nodeIter->get_attribute_value("style");
1178                                                 float offset=atof(nodeIter->get_attribute_value("offset").data());
1179                                                 String stop_color;
1180                                                 String opacity;
1181                                                 if(!style.empty()){
1182                                                         extractSubAttribute (style,"stop-color",&stop_color);
1183                                                         extractSubAttribute (style,"stop-opacity",&opacity);
1184                                                 }
1185                                                 if(opacity.empty()) opacity="1";
1186                                                 if(stop_color.empty()) stop_color="#000000";//black for default :S
1187                                                 stops->push_back(newColorStop(stop_color,atof(opacity.data()),offset));
1188                                         }
1189                         }
1190                         }
1191                 }
1192                 if(stops)
1193                         lg.push_back(newLinearGradient(id,x1,y1,x2,y2,stops));
1194         }
1195 }
1196
1197 void
1198 Svg_parser::parser_radialGradient(const xmlpp::Node* node){
1199         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
1200                 Glib::ustring id        =nodeElement->get_attribute_value("id");
1201                 float cx                        =atof(nodeElement->get_attribute_value("cx").data());
1202                 float cy                        =atof(nodeElement->get_attribute_value("cy").data());
1203                 float r                         =atof(nodeElement->get_attribute_value("r").data());
1204                 Glib::ustring link      =nodeElement->get_attribute_value("href");//basic
1205                 std::list<ColorStop*> *stops=NULL;
1206                 if(!link.empty()){
1207                         //inkscape always use link, i dont need parser stops here, but it's posible
1208                         stops=find_colorStop (link);
1209                 }
1210                 if(stops)
1211                         rg.push_back(newRadialGradient(id,cx,cy,r,stops));
1212         }
1213 }
1214
1215 ColorStop*
1216 Svg_parser::newColorStop(String color,float opacity,float pos){
1217         ColorStop* _stop;
1218         _stop=(ColorStop*)malloc(sizeof(ColorStop));
1219         float r=getRed(color);
1220         float g=getGreen(color);
1221         float b=getBlue(color);
1222         float a=opacity;
1223         Color ret=adjustGamma(r/255,g/255,b/255,a);
1224         _stop->r=ret.get_r();
1225         _stop->g=ret.get_g();
1226         _stop->b=ret.get_b();
1227         _stop->a=ret.get_a();
1228         _stop->pos=pos;
1229         return _stop;
1230 }
1231 Color
1232 Svg_parser::adjustGamma(float r,float g,float b,float a){
1233         Color ret(r,g,b,a);
1234         if(gamma.get_gamma_r()!=1.0){
1235                 if(ret.get_r() < 0)
1236                         ret.set_r(-gamma.r_F32_to_F32(-ret.get_r()));
1237                 else
1238                         ret.set_r(gamma.r_F32_to_F32(ret.get_r()));
1239         }
1240         if(gamma.get_gamma_g()!=1.0){
1241                 if(ret.get_g() < 0)
1242                         ret.set_g(-gamma.g_F32_to_F32(-ret.get_g()));
1243                 else
1244                         ret.set_g(gamma.g_F32_to_F32(ret.get_g()));
1245         }
1246         if(gamma.get_gamma_b()!=1.0){
1247                 if(ret.get_b() < 0)
1248                         ret.set_b(-gamma.b_F32_to_F32(-ret.get_b()));
1249                 else
1250                         ret.set_b(gamma.b_F32_to_F32(ret.get_b()));
1251         }
1252         return ret;
1253 }
1254
1255 LinearGradient*
1256 Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops){
1257         LinearGradient* data;
1258         data=(LinearGradient*)malloc(sizeof(LinearGradient));
1259         sprintf(data->name,"%s",name.data());
1260         data->x1=x1;
1261         data->y1=y1;
1262         data->x2=x2;
1263         data->y2=y2;
1264         data->stops=stops;
1265         return data;
1266 }
1267
1268 RadialGradient*
1269 Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops){
1270         RadialGradient* data;
1271         data=(RadialGradient*)malloc(sizeof(RadialGradient));
1272         sprintf(data->name,"%s",name.data());
1273         data->cx=cx;
1274         data->cy=cy;
1275         data->r=r;
1276         data->stops=stops;
1277         return data;
1278 }
1279
1280 //builds
1281 void
1282 Svg_parser::build_gamma(xmlpp::Element* root,float gamma){
1283         root->set_attribute("type","colorcorrect");
1284         root->set_attribute("active","true");
1285         root->set_attribute("version","0.1");
1286         root->set_attribute("desc","Gamma");
1287         build_real (root->add_child("param"),"gamma",gamma);
1288 }
1289 Matrix*
1290 Svg_parser::build_transform(const String transform){
1291         Matrix* a=NULL;
1292         String tf(transform);
1293         removeIntoS(&tf);
1294         std::vector<String> tokens=tokenize(tf," ");
1295         std::vector<String>::iterator aux=tokens.begin();
1296         while(aux!=tokens.end()){
1297                 if((*aux).compare(0,9,"translate")==0){
1298                         float dx,dy;
1299                         int start,end;
1300                         start   =(*aux).find_first_of("(")+1;
1301                         end             =(*aux).find_first_of(",");
1302                         dx              =atof((*aux).substr(start,end-start).data());
1303                         start   =(*aux).find_first_of(",")+1;
1304                         end             =(*aux).size()-1;
1305                         dy              =atof((*aux).substr(start,end-start).data());
1306                         if(matrixIsNull(a))
1307                                 a=newMatrix(1,0,0,1,dx,dy);
1308                         else
1309                                 multiplyMatrix(&a,newMatrix(1,0,0,1,dx,dy));
1310                 }else if((*aux).compare(0,5,"scale")==0){
1311                         if(matrixIsNull(a))
1312                                 a=newMatrix(1,0,0,1,0,0);
1313                 }else if((*aux).compare(0,6,"rotate")==0){
1314                         float angle,seno,coseno;
1315                         int start,end;
1316                         start   =(*aux).find_first_of("(")+1;
1317                         end             =(*aux).size()-1;
1318                         angle=getRadian (atof((*aux).substr(start,end-start).data()));
1319                         seno   =sin(angle);
1320                         coseno =cos(angle);
1321                         if(matrixIsNull(a))
1322                                 a=newMatrix(coseno,seno,-1*seno,coseno,0,0);
1323                         else
1324                                 multiplyMatrix(&a,newMatrix(coseno,seno,-1*seno,coseno,0,0));
1325                 }else if((*aux).compare(0,6,"matrix")==0){
1326                         int start       =(*aux).find_first_of('(')+1;
1327                         int end         =(*aux).find_first_of(')');
1328                         if(matrixIsNull(a))
1329                                 a=newMatrix((*aux).substr(start,end-start));
1330                         else
1331                                 multiplyMatrix(&a,newMatrix((*aux).substr(start,end-start)));
1332                 }else{
1333                         a=newMatrix(1,0,0,1,0,0);
1334                 }
1335                 aux++;
1336         }
1337         return a;
1338 }
1339
1340 void
1341 Svg_parser::build_translate(xmlpp::Element* root,float dx,float dy){
1342         root->set_attribute("type","translate");
1343         root->set_attribute("active","true");
1344         root->set_attribute("version","0.1");
1345         build_vector (root->add_child("param"),"origin",dx,dy);
1346 }
1347 void
1348 Svg_parser::build_rotate(xmlpp::Element* root,float dx,float dy,float angle){
1349         root->set_attribute("type","rotate");
1350         root->set_attribute("active","true");
1351         root->set_attribute("version","0.1");
1352         build_vector (root->add_child("param"),"origin",dx,dy);
1353         build_real   (root->add_child("param"),"amount",angle);
1354 }
1355 void
1356 Svg_parser::build_points(xmlpp::Element* root,std::list<Vertice*> p){
1357         root->set_attribute("name","vector_list");
1358         xmlpp::Element *child=root->add_child("dynamic_list");
1359         child->set_attribute("type","vector");
1360         std::list<Vertice*>::iterator aux = p.begin();
1361         while(aux!=p.end()){
1362                 xmlpp::Element *child_entry=child->add_child("entry");
1363                 xmlpp::Element *child_vector=child_entry->add_child("vector");
1364                 child_vector->add_child("x")->set_child_text(etl::strprintf("%f",(*aux)->x));
1365                 child_vector->add_child("y")->set_child_text(etl::strprintf("%f",(*aux)->y));
1366                 aux++;
1367         }
1368 }
1369 void
1370 Svg_parser::build_vertice(xmlpp::Element* root , Vertice *p){
1371         xmlpp::Element *child_comp=root->add_child("composite");
1372         child_comp->set_attribute("type","bline_point");
1373         build_vector (child_comp->add_child("param"),"point",p->x,p->y);
1374         build_param (child_comp->add_child("width"),"","real","1.0000000000");
1375         build_param (child_comp->add_child("origin"),"","real","0.5000000000");
1376         if(p->split) build_param (child_comp->add_child("split"),"","bool","true");
1377         else build_param (child_comp->add_child("split"),"","bool","false");
1378         //tangent 1
1379         xmlpp::Element *child_t1=child_comp->add_child("t1");
1380         xmlpp::Element *child_rc=child_t1->add_child("radial_composite");
1381         child_rc->set_attribute("type","vector");
1382         build_param (child_rc->add_child("radius"),"","real",p->radio1);
1383         build_param (child_rc->add_child("theta"),"","angle",p->angle1);
1384         //tangent 2
1385         xmlpp::Element *child_t2=child_comp->add_child("t2");
1386         xmlpp::Element *child_rc2=child_t2->add_child("radial_composite");
1387         child_rc2->set_attribute("type","vector");
1388         build_param (child_rc2->add_child("radius"),"","real",p->radio2);
1389         build_param (child_rc2->add_child("theta"),"","angle",p->angle2);
1390
1391 }
1392 void
1393 Svg_parser::build_bline(xmlpp::Element* root,std::list<Vertice*> p,bool loop,String blineguid){
1394         root->set_attribute("name","bline");
1395         xmlpp::Element *child=root->add_child("bline");
1396         child->set_attribute("type","bline_point");
1397         if(loop)
1398                 child->set_attribute("loop","true");
1399         else
1400                 child->set_attribute("loop","false");
1401         if(!blineguid.empty())  child->set_attribute("guid",blineguid);
1402         std::list<Vertice*>::iterator aux = p.begin();
1403         while(aux!=p.end()){
1404                 if(*aux) build_vertice (child->add_child("entry"),*aux);
1405                 aux++;
1406         }
1407 }
1408
1409 void
1410 Svg_parser::build_param(xmlpp::Element* root,String name,String type,String value){
1411         if(!type.empty() && !value.empty()){
1412                 if(!name.empty())       root->set_attribute("name",name);
1413                 xmlpp::Element *child=root->add_child(type);
1414                 child->set_attribute("value",value);
1415         }else{
1416                 root->get_parent()->remove_child(root);
1417         }
1418 }
1419 void
1420 Svg_parser::build_param(xmlpp::Element* root,String name,String type,float value){
1421         if(!type.empty()){
1422                 if(!name.empty()) root->set_attribute("name",name);
1423                 xmlpp::Element *child=root->add_child(type);
1424                 child->set_attribute("value",etl::strprintf ("%f",value));
1425         }else{
1426                 root->get_parent()->remove_child(root);
1427         }
1428 }
1429 void
1430 Svg_parser::build_param(xmlpp::Element* root,String name,String type,int value){
1431         if(!type.empty()){
1432                         if(!name.empty()) root->set_attribute("name",name);
1433                         xmlpp::Element *child=root->add_child(type);
1434                         char *enteroc=new char[10];
1435                         sprintf(enteroc,"%d",value);
1436                         child->set_attribute("value",enteroc);
1437                         delete [] enteroc;
1438         }else{
1439                 root->get_parent()->remove_child(root);
1440         }
1441 }
1442
1443 void
1444 Svg_parser::build_integer(xmlpp::Element* root,String name,int value){
1445         if(name.compare("")!=0) root->set_attribute("name",name);
1446         xmlpp::Element *child=root->add_child("integer");
1447         char *enteroc=new char[10];
1448         sprintf(enteroc,"%d",value);
1449         child->set_attribute("value",enteroc);
1450 }
1451 void
1452 Svg_parser::build_real(xmlpp::Element* root,String name,float value){
1453         if(name.compare("")!=0) root->set_attribute("name",name);
1454         xmlpp::Element *child=root->add_child("real");
1455         char *realc=new char[20];
1456         sprintf(realc,"%f",value);
1457         child->set_attribute("value",realc);
1458 }
1459
1460 void
1461 Svg_parser::build_color(xmlpp::Element* root,float r,float g,float b,float a){
1462         if(r>255 || g>255 || b>255 || a>1 || r<0 || g<0 || b<0 || a<0){
1463                 root->get_parent()->remove_child(root);
1464                 printf("Color aborted\n");
1465                 return;
1466         }
1467         Color ret=adjustGamma(r/255,g/255,b/255,a);
1468
1469         root->set_attribute("name","color");
1470         xmlpp::Element *child=root->add_child("color");
1471         child->add_child("r")->set_child_text(etl::strprintf("%f",ret.get_r()));
1472         child->add_child("g")->set_child_text(etl::strprintf("%f",ret.get_g()));
1473         child->add_child("b")->set_child_text(etl::strprintf("%f",ret.get_b()));
1474         child->add_child("a")->set_child_text(etl::strprintf("%f",ret.get_a()));
1475 }
1476 void
1477 Svg_parser::build_vector(xmlpp::Element* root,String name,float x,float y){
1478
1479         if(name.compare("")!=0) root->set_attribute("name",name);
1480         xmlpp::Element *child=root->add_child("vector");
1481         child->add_child("x")->set_child_text(etl::strprintf("%f",x));
1482         child->add_child("y")->set_child_text(etl::strprintf("%f",y));
1483
1484 }
1485 void
1486 Svg_parser::build_vector (xmlpp::Element* root,String name,float x,float y,String guid){
1487         if(name.compare("")!=0) root->set_attribute("name",name);
1488         xmlpp::Element *child=root->add_child("vector");
1489         if(!guid.empty()) child->set_attribute("guid",guid);
1490         child->add_child("x")->set_child_text(etl::strprintf("%f",x));
1491         child->add_child("y")->set_child_text(etl::strprintf("%f",y));
1492 }
1493
1494 xmlpp::Element*
1495 Svg_parser::nodeStartBasicLayer(xmlpp::Element* root){
1496         root->set_attribute("type","PasteCanvas");
1497         root->set_attribute("active","true");
1498         root->set_attribute("version","0.1");
1499         root->set_attribute("desc","Composite");
1500         build_param (root->add_child("param"),"z_depth","real","0");
1501         build_param (root->add_child("param"),"amount","real","1");
1502         build_param (root->add_child("param"),"blend_method","integer","0");
1503         build_vector (root->add_child("param"),"origin",0,0);
1504         xmlpp::Element *child=root->add_child("param");
1505         child->set_attribute("name","canvas");
1506         return child->add_child("canvas");
1507 }
1508
1509 //extra methods
1510 void
1511 Svg_parser::coor2vect(float *x,float *y){
1512         float sx, sy;
1513         sx=*x;
1514         sy=*y;
1515         sy= atof(height.c_str())-sy;
1516         sx= sx - ox;
1517         sy= sy - oy;
1518         sx= sx / kux;
1519         sy= sy / kux;
1520         *x=sx; *y=sy;
1521 }
1522
1523 void
1524 Svg_parser::setTg1(Vertice *p,float p1x,float p1y,float p2x,float p2y){
1525         float rd=0,ag=0;
1526         float d1x,d1y,d2x,d2y,dx,dy;
1527         d1x=p1x*60;
1528         d1y=p1y*60;
1529         d2x=p2x*60;
1530         d2y=p2y*60;
1531         dx=d2x-d1x;
1532         dy=d2y-d1y;
1533         dx=dx*3;
1534         dy=dy*3;
1535         dx=dx/60;
1536         dy=dy/60;
1537         rd=sqrt(dx*dx + dy*dy);
1538         if(dx>0 && dy>0){
1539                 ag=PI + atan(dy/dx);
1540         }else if(dx>0 && dy<0){
1541                 ag=PI + atan(dy/dx);
1542         }else if(dx<0 && dy<0){
1543                 ag=atan(dy/dx);
1544         }else if(dx<0 && dy>0){
1545                 ag= 2*PI+atan(dy/dx);
1546         }else if(dx==0 && dy>0){
1547                 ag=-1*PI/2;
1548         }else if(dx==0 && dy<0){
1549                 ag=PI/2;
1550         }else if(dx==0 && dy==0){
1551                 ag=0;
1552         }else if(dx<0 && dy==0){
1553                 ag=0;
1554         }else if(dx>0 && dy==0){
1555                 ag=PI;
1556         }
1557         ag= (ag*180)/PI;
1558         p->radio1=rd;
1559         p->angle1=ag;
1560 }
1561 void
1562 Svg_parser::setTg2(Vertice* p,float p1x,float p1y,float p2x,float p2y){
1563         float rd=0,ag=0;
1564         float d1x,d1y,d2x,d2y,dx,dy;
1565         d1x=p1x*60;
1566         d1y=p1y*60;
1567         d2x=p2x*60;
1568         d2y=p2y*60;
1569         dx=d2x-d1x;
1570         dy=d2y-d1y;
1571         dx=dx*3;
1572         dy=dy*3;
1573         dx=dx/60;
1574         dy=dy/60;
1575
1576         rd=sqrt(dx*dx + dy*dy);
1577         if(dx>0 && dy>0){
1578                 ag=PI + atan(dy/dx);
1579         //      printf("case 180-270\n");
1580         }else if(dx>0 && dy<0){
1581                 ag=PI + atan(dy/dx);
1582         //      printf("case 90-180\n");
1583         }else if(dx<0 && dy<0){
1584                 ag=atan(dy/dx);
1585         //      printf("case 0-90\n");
1586         }else if(dx<0 && dy>0){
1587                 ag= 2*PI+atan(dy/dx);
1588         //      printf("case 270-360\n");
1589         }else if(dx==0 && dy>0){
1590                 ag=-1*PI/2;
1591         }else if(dx==0 && dy<0){
1592                 ag=PI/2;
1593         }else if(dx==0 && dy==0){
1594                 ag=0;
1595         }else if(dx<0 && dy==0){
1596                 ag=0;
1597         }else if(dx>0 && dy==0){
1598                 ag=PI;
1599         }
1600         ag= (ag*180)/PI;
1601         ag=ag-180;
1602         p->radio2=rd;
1603         p->angle2=ag;
1604 }
1605
1606 void
1607 Svg_parser::setSplit(Vertice* p,bool val){
1608         if(p!=NULL){
1609                 p->split=val;
1610         }
1611 }
1612 int
1613 Svg_parser::isFirst(Vertice* nodo,float a, float b){
1614         if(nodo->x==a && nodo->y==b)
1615                 return 1;
1616         return 0;
1617 }
1618
1619 Vertice*
1620 Svg_parser::newVertice(float x,float y){
1621         Vertice* vert;
1622         vert=(Vertice*)malloc(sizeof(Vertice));
1623         vert->x=x;
1624         vert->y=y;
1625         vert->radio1=vert->radio2=vert->angle1=vert->angle2=0;
1626         return vert;
1627 }
1628
1629 int
1630 Svg_parser::extractSubAttribute(const String attribute, String name,String* value){
1631         int encounter=0;
1632         if(!attribute.empty()){
1633                 String str(attribute);
1634                 removeS(&str);
1635                 std::vector<String> tokens=tokenize(str,";");
1636                 std::vector<String>::iterator aux=tokens.begin();
1637                 while(aux!=tokens.end()){
1638                         int mid= (*aux).find_first_of(":");
1639                         if((*aux).substr(0,mid).compare(name)==0){
1640                                 int end=(*aux).size();
1641                                 *value=(*aux).substr(mid+1,end-mid);
1642                                 return 1;
1643                         }
1644                         aux++;
1645                 }
1646         }
1647         return encounter;
1648 }
1649 String
1650 Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String defaultVal){
1651         String value;
1652         int fnd=0;
1653         if(!path_style.empty())
1654                 fnd=extractSubAttribute(path_style,name,&value);
1655         if(fnd==0){
1656                 if(!master_style.empty())
1657                         fnd=extractSubAttribute(master_style,name,&value);
1658                 if(fnd==0)
1659                         value=defaultVal;
1660         }
1661         return value;
1662 }
1663 String
1664 Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String subattribute,const String defaultVal){
1665         String value;
1666         int fnd=0;
1667         if(!path_style.empty())
1668                 fnd=extractSubAttribute(path_style,name,&value);
1669         if(fnd==0 && !master_style.empty())
1670                         fnd=extractSubAttribute(master_style,name,&value);
1671         if(fnd==0){
1672                 if(!subattribute.empty())
1673                         value=subattribute;
1674                 else
1675                         value=defaultVal;
1676         }
1677         return value;
1678 }
1679
1680 int
1681 Svg_parser::randomLetter(){
1682         int a=rand()%2;
1683         if(a) return (49 + rand()%9);
1684         else return  (65 + rand()%24);
1685 }
1686
1687 int
1688 Svg_parser::getRed(String hex){
1689         if(hex.at(0)=='#'){
1690                 return hextodec(hex.substr(1,2));
1691         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1692                 int start=hex.find_first_of("(")+1;
1693                 int end =hex.find_last_of(")");
1694                 String aux=tokenize(hex.substr(start,end-start),",").at(0);
1695                 return atoi(aux.data());
1696         }
1697         return 0;
1698 }
1699 int
1700 Svg_parser::getGreen(String hex){
1701         if(hex.at(0)=='#'){
1702                 return hextodec(hex.substr(3,2));
1703         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1704                 int start=hex.find_first_of("(")+1;
1705                 int end =hex.find_last_of(")");
1706                 String aux=tokenize(hex.substr(start,end-start),",").at(1);
1707                 return atoi(aux.data());
1708         }
1709         return 0;
1710 }
1711 int
1712 Svg_parser::getBlue(String hex){
1713         if(hex.at(0)=='#'){
1714                 return hextodec(hex.substr(5,2));
1715         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1716                 int start=hex.find_first_of("(")+1;
1717                 int end =hex.find_last_of(")");
1718                 String aux=tokenize(hex.substr(start,end-start),",").at(2);
1719                 return atoi(aux.data());
1720         }
1721         return 0;
1722 }
1723 int
1724 Svg_parser::hextodec(String hex){
1725         int result=0;
1726         if(!hex.empty()){
1727                 int top=hex.size();
1728                 int ihex[top];
1729                 int i=0;
1730                 while(i<top){
1731                         if(hex.at(i)=='0')
1732                                 ihex[i]=0;
1733                         else if(hex.at(i)=='1')
1734                                 ihex[i]=1;
1735                         else if(hex.at(i)=='2')
1736                                 ihex[i]=2;
1737                         else if(hex.at(i)=='3')
1738                                 ihex[i]=3;
1739                         else if(hex.at(i)=='4')
1740                                 ihex[i]=4;
1741                         else if(hex.at(i)=='5')
1742                                 ihex[i]=5;
1743                         else if(hex.at(i)=='6')
1744                                 ihex[i]=6;
1745                         else if(hex.at(i)=='7')
1746                                 ihex[i]=7;
1747                         else if(hex.at(i)=='8')
1748                                 ihex[i]=8;
1749                         else if(hex.at(i)=='9')
1750                                 ihex[i]=9;
1751                         else if(hex.at(i)=='a')
1752                                 ihex[i]=10;
1753                         else if(hex.at(i)=='b')
1754                                 ihex[i]=11;
1755                         else if(hex.at(i)=='c')
1756                                 ihex[i]=12;
1757                         else if(hex.at(i)=='d')
1758                                 ihex[i]=13;
1759                         else if(hex.at(i)=='e')
1760                                 ihex[i]=14;
1761                         else if(hex.at(i)=='f')
1762                                 ihex[i]=15;
1763                         else
1764                                 return 0;
1765                         i++;
1766                 }
1767                 i=0;
1768                 while(i<top){
1769                         result+=pow(16,i)*ihex[top-i-1];
1770                         i++;
1771                 }
1772         }
1773         return result;
1774 }
1775
1776 float
1777 Svg_parser::getDimension(const String ac){
1778         if(ac.empty()){
1779                 return 0;
1780         }
1781         int length=ac.size();
1782         float af=0;
1783         if(isdigit(ac.at(length-1))){
1784                 af=atof(ac.data());
1785         }else if(ac.at(length-1)=='%'){
1786                         return 1024;
1787         }else{
1788                 String mtc=ac.substr(length-2,length);
1789                 String nmc=ac.substr(0,length-2);
1790                 if(mtc.compare("px")==0){
1791                         af=atof(nmc.data());
1792                 }else if(mtc.compare("pt")==0){
1793                         af=atof(nmc.data())*1.25;
1794                 }else if(mtc.compare("em")==0){
1795                         af=atof(nmc.data())*16;
1796                 }else if(mtc.compare("mm")==0){
1797                         af=atof(nmc.data())*3.54;
1798                 }else if(mtc.compare("pc")==0){
1799                         af=atof(nmc.data())*15;
1800                 }else if(mtc.compare("cm")==0){
1801                         af=atof(nmc.data())*35.43;
1802                 }else if(mtc.compare("in")==0){
1803                         af=atof(nmc.data())*90;
1804                 }else{
1805                         return 1024;
1806                 }
1807         }
1808         return af;
1809 }
1810 //matrix operations
1811 Matrix*
1812 Svg_parser::newMatrix(Matrix *a){
1813         Matrix* data;
1814         data=(Matrix*)malloc(sizeof(Matrix));
1815         data->a=a->a;           data->b=a->b;           data->c=a->c;
1816         data->d=a->d;           data->e=a->e;           data->f=a->f;
1817         return data;
1818 }
1819 Matrix*
1820 Svg_parser::newMatrix(float a,float b,float c,float d,float e,float f){
1821         Matrix* data;
1822         data=(Matrix*)malloc(sizeof(Matrix));
1823         data->a=a;              data->b=b;              data->c=c;
1824         data->d=d;              data->e=e;              data->f=f;
1825         return data;
1826 }
1827 Matrix*
1828 Svg_parser::newMatrix(const String mvector){
1829         if(!mvector.empty()){
1830                 Matrix* data=(Matrix*)malloc(sizeof(Matrix));
1831                 std::vector<String> tokens=tokenize(mvector,",");
1832                 if(tokens.size()!=6) return newMatrix(1,0,0,1,0,0);
1833                 data->a=atof(tokens.at(0).data());
1834                 data->b=atof(tokens.at(1).data());
1835                 data->c=atof(tokens.at(2).data());
1836                 data->d=atof(tokens.at(3).data());
1837                 data->e=atof(tokens.at(4).data());
1838                 data->f=atof(tokens.at(5).data());
1839                 return data;
1840         }else{
1841                 return newMatrix(1,0,0,1,0,0);
1842         }
1843 }
1844 void
1845 Svg_parser::transformPoint2D(Matrix *mtx,float *a,float *b){
1846         float auxa,auxb;
1847         auxa=0;
1848         auxb=0;
1849         auxa= (*a)*(mtx->a) + (*b)*(mtx->c) + (mtx->e);
1850         auxb= (*a)*(mtx->b) + (*b)*(mtx->d) + (mtx->f);
1851         *a=auxa;
1852         *b=auxb;
1853         return;
1854 }
1855 void
1856 Svg_parser::composeMatrix(Matrix **mtx,Matrix* mtx1,Matrix* mtx2){
1857         Matrix* aux=newMatrix(0,0,0,0,0,0);
1858         aux->a=(mtx1->a)*(mtx2->a)+(mtx1->c)*(mtx2->b);
1859         aux->b=(mtx1->b)*(mtx2->a)+(mtx1->d)*(mtx2->b);
1860         aux->c=(mtx1->a)*(mtx2->c)+(mtx1->c)*(mtx2->d);
1861         aux->d=(mtx1->b)*(mtx2->c)+(mtx1->d)*(mtx2->d);
1862         aux->e=(mtx1->a)*(mtx2->e)+(mtx1->c)*(mtx2->f)+(mtx1->e);
1863         aux->f=(mtx1->b)*(mtx2->e)+(mtx1->d)*(mtx2->f)+(mtx1->f);
1864         *mtx=aux;
1865 }
1866 void
1867 Svg_parser::multiplyMatrix(Matrix **mtx1,Matrix *mtx2){
1868         Matrix* aux=newMatrix(0,0,0,0,0,0);
1869         aux->a=((*mtx1)->a)*(mtx2->a)+((*mtx1)->c)*(mtx2->b);
1870         aux->b=((*mtx1)->b)*(mtx2->a)+((*mtx1)->d)*(mtx2->b);
1871         aux->c=((*mtx1)->a)*(mtx2->c)+((*mtx1)->c)*(mtx2->d);
1872         aux->d=((*mtx1)->b)*(mtx2->c)+((*mtx1)->d)*(mtx2->d);
1873         aux->e=((*mtx1)->a)*(mtx2->e)+((*mtx1)->c)*(mtx2->f)+((*mtx1)->e);
1874         aux->f=((*mtx1)->b)*(mtx2->e)+((*mtx1)->d)*(mtx2->f)+((*mtx1)->f);
1875         (*mtx1)->a=aux->a;
1876         (*mtx1)->b=aux->b;
1877         (*mtx1)->c=aux->c;
1878         (*mtx1)->d=aux->d;
1879         (*mtx1)->e=aux->e;
1880         (*mtx1)->f=aux->f;
1881 }
1882 bool
1883 Svg_parser::matrixIsNull(Matrix *mtx){
1884         if(mtx == NULL) return true;
1885         return false;
1886 }
1887
1888 float
1889 Svg_parser::getRadian(float sexa){
1890         return (sexa*2*PI)/360;
1891 }
1892 void
1893 Svg_parser::removeS(String *input){
1894         for(unsigned int i=0;i<input->size();i++){
1895                 if(input->at(i)==' '){
1896                         input->erase(i,1);
1897                 }
1898         }
1899 }
1900 void
1901 Svg_parser::removeIntoS(String *input){
1902         bool into=false;
1903         for(unsigned int i=0;i<input->size();i++){
1904                 if(input->at(i)=='('){
1905                         into=true;
1906                 }else if(input->at(i)==')'){
1907                         into=false;
1908                 }else if(into && input->at(i)==' '){
1909                         input->erase(i,1);
1910                 }
1911         }
1912 }
1913 std::vector<String>
1914 Svg_parser::tokenize(const String& str,const String& delimiters){
1915         std::vector<String> tokens;
1916         String::size_type lastPos = str.find_first_not_of(delimiters, 0);
1917         String::size_type pos = str.find_first_of(delimiters, lastPos);
1918         while (String::npos != pos || String::npos != lastPos){
1919                 tokens.push_back(str.substr(lastPos, pos - lastPos));
1920                 lastPos = str.find_first_not_of(delimiters, pos);
1921                 pos = str.find_first_of(delimiters, lastPos);
1922         }
1923         return tokens;
1924 }
1925 String
1926 Svg_parser::new_guid(){
1927         uid++;
1928         return GUID::hasher(uid).get_string();
1929 }
1930