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{
 138                         if(set_canvas==0) parser_canvas (node);
 139                         parser_graphics(node,nodeRoot,"",NULL);
 140                         if(nodename.compare("g")==0) return;
 141                 }
 142         }
 143         if(!nodeContent){
 144         xmlpp::Node::NodeList list = node->get_children();
 145         for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 146                 parser_node(*iter); //recursive
 147         }
 148         }
 149 }
 150
 151 //parser elements
 152 void
 153 Svg_parser::parser_svg (const xmlpp::Node* node){
 154         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 155                 width   =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("width")));
 156                 height  =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("height")));
 157                 docname=nodeElement->get_attribute_value("docname","");
 158         }
 159 }
 160 void
 161 Svg_parser::parser_canvas (const xmlpp::Node* node){
 162         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 163                 if(width.compare("")==0){
 164                         width=nodeElement->get_attribute_value("width","");
 165                 }
 166                 if(height.compare("")==0){
 167                         height=nodeElement->get_attribute_value("height","");
 168                 }
 169                 if(width.compare("")==0 && height.compare("")!=0){
 170                         width=height;
 171                 }
 172                 if(width.compare("")!=0 && height.compare("")==0){
 173                         height=width;
 174                 }
 175                 if(height.compare("")==0 && width.compare("")==0){
 176                         width="1024";
 177                         height="768";
 178                 }
 179                 //build
 180                 nodeRoot=document.create_root_node("canvas", "", "");
 181                 nodeRoot->set_attribute("version","0.5");
 182                 nodeRoot->set_attribute("width",width);
 183                 nodeRoot->set_attribute("height",height);
 184                 nodeRoot->set_attribute("xres","2834.645752");
 185                 nodeRoot->set_attribute("yres","2834.645752");
 186                 float view_x;
 187                 float view_y;
 188                 view_x=atof(width.c_str())/kux;
 189                 view_y=atof(height.c_str())/kux;
 190                 view_x=view_x/2.0;
 191                 view_y=view_y/2.0;
 192                 char attr_view_box[60];
 193                 sprintf(attr_view_box,"%f %f %f %f",-1.0*view_x,view_y,view_x,-1.0*view_y);
 194                 nodeRoot->set_attribute("view-box",attr_view_box);
 195                 ox=atof(width.c_str() )/2;
 196                 oy=atof(height.c_str())/2;
 197                 nodeRoot->set_attribute("antialias","1");
 198                 nodeRoot->set_attribute("fps","24.000");
 199                 nodeRoot->set_attribute("begin-time","0f");
 200                 nodeRoot->set_attribute("end-time","5s");
 201                 nodeRoot->set_attribute("bgcolor","0.500000 0.500000 0.500000 1.000000");
 202                 if(!id_name.empty()) nodeRoot->add_child("name")->set_child_text(id_name);
 203                 else nodeRoot->add_child("name")->set_child_text("Synfig Animation 1");
 204         }
 205         set_canvas=1;
 206         AdjustPointUrl ();
 207 }
 208 //Toplevel parser
 209
 210 //parser preferences
 211 //Seperate transformations: apply transformations on a per-layer basis, rather than on canvases
 212 //Resolve BLine transformations: resolve transformations instead of creating transformation layers
 213 #define SVG_SEP_TRANSFORMS 1
 214 #define SVG_RESOLVE_BLINE 1
 215
 216 void
 217 Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
 218         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 219                 Glib::ustring nodename = node->get_name();
 220                 if (nodename.compare("g")==0 || nodename.compare("path")==0 || nodename.compare("polygon")==0 || nodename.compare("rect")==0){} else return;
 221
 222                 //load sub-attributes
 223                 Glib::ustring id                        =nodeElement->get_attribute_value("id");
 224                 Glib::ustring transform =nodeElement->get_attribute_value("transform");
 225
 226                 //resolve transformations
 227                 Matrix* mtx=NULL;
 228                 if(!transform.empty())
 229                         mtx=build_transform (transform);
 230                 if (SVG_SEP_TRANSFORMS)
 231                 {
 232                         if(mtx_parent){
 233                                 if(mtx)
 234                                         composeMatrix(&mtx,mtx_parent,mtx);
 235                                 else
 236                                         mtx=newMatrix(mtx_parent);
 237                         }
 238                 }
 239                 if(nodename.compare("g")==0){
 240                         parser_layer (node,root->add_child("layer"),parent_style,mtx);
 241                         return;
 242                 }
 243
 244                 Glib::ustring obj_style =nodeElement->get_attribute_value("style");
 245                 Glib::ustring obj_fill                  =nodeElement->get_attribute_value("fill");
 246
 247                 //style
 248                 String fill                         =loadAttribute("fill",obj_style,parent_style,obj_fill,"none");
 249                 String fill_rule                =loadAttribute("fill-rule",obj_style,parent_style,"evenodd");
 250                 String stroke                   =loadAttribute("stroke",obj_style,parent_style,"none");
 251                 String stroke_width             =loadAttribute("stroke-width",obj_style,parent_style,"1px");
 252                 String stroke_linecap   =loadAttribute("stroke-linecap",obj_style,parent_style,"butt");
 253                 String stroke_linejoin  =loadAttribute("stroke-linejoin",obj_style,parent_style,"miter");
 254                 String stroke_opacity   =loadAttribute("stroke-opacity",obj_style,parent_style,"1");
 255                 String fill_opacity             =loadAttribute("fill-opacity",obj_style,parent_style,"1");
 256                 String opacity                  =loadAttribute("opacity",obj_style,parent_style,"1");
 257
 258
 259                 //Fill
 260                 int typeFill=0; //nothing
 261
 262                 if(fill.compare("none")!=0){
 263                         typeFill=1; //simple
 264                 }
 265                 if(typeFill==1 && fill.compare(0,3,"url")==0){
 266                         typeFill=2;     //gradient
 267                 }
 268                 //Stroke
 269                 int typeStroke=0;//nothing
 270
 271                 if(stroke.compare("none")!=0){
 272                         typeStroke=1; //simple
 273                 }
 274                 if(typeStroke==1 && stroke.compare(0,3,"url")==0){
 275                         typeStroke=2;   //gradient
 276                 }
 277
 278                 xmlpp::Element* child_layer = nodeStartBasicLayer(root->add_child("layer"));
 279                 xmlpp::Element* child_fill = child_layer;
 280                 xmlpp::Element* child_stroke = child_layer;
 281                 if(typeFill==2){
 282                         child_fill=nodeStartBasicLayer(child_fill->add_child("layer"));
 283                 }
 284                 if(typeStroke==2){
 285                         child_stroke=nodeStartBasicLayer(child_stroke->add_child("layer"));
 286                 }
 287
 288                 //make simple fills
 289                 if(nodename.compare("rect")==0 && typeFill!=0){
 290                         rect_simple(nodeElement,child_fill,fill,fill_opacity,opacity);
 291                         if(typeFill==2){
 292                                 build_url (child_fill->add_child("layer"),fill,NULL);
 293                         }
 294                         parser_effects(nodeElement,child_layer,parent_style,mtx);
 295                         return;
 296                 }
 297
 298
 299                 //=======================================================================
 300                 std::list<std::list<Vertice*> > k;
 301                 //if we are creating a bline
 302
 303                 //First, create the list of vertices
 304                 if (SVG_RESOLVE_BLINE) {
 305                         if(nodename.compare("path")==0){
 306                                 k=parser_path_d (nodeElement->get_attribute_value("d"),mtx);
 307                         } else if(nodename.compare("polygon")==0){
 308                                 k=parser_polygon_path (nodeElement->get_attribute_value("points"),mtx);
 309                         }
 310                 } else {
 311                         if(nodename.compare("path")==0){
 312                                 k=parser_path_d (nodeElement->get_attribute_value("d"),NULL);
 313                         } else if(nodename.compare("polygon")==0){
 314                                 k=parser_polygon_path (nodeElement->get_attribute_value("points"),NULL);
 315                         }
 316                 }
 317
 318                 int n = k.size();
 319                 String bline_id[n];
 320                 String offset_id[n];
 321                 for (int i=0;i<n;i++){
 322                         bline_id[i]=new_guid();
 323                         offset_id[i]=new_guid();
 324                 }
 325
 326                 std::list<std::list<Vertice*> >::iterator aux = k.begin();
 327                 if(typeFill!=0){//region layer
 328                         for (int i=0; aux!=k.end(); aux++){
 329                                 xmlpp::Element *child_region=child_fill->add_child("layer");
 330                                 child_region->set_attribute("type","region");
 331                                 child_region->set_attribute("active","true");
 332                                 child_region->set_attribute("version","0.1");
 333                                 child_region->set_attribute("desc",id);
 334                                 build_param (child_region->add_child("param"),"z_depth","real","0.0000000000");
 335                                 build_param (child_region->add_child("param"),"amount","real","1.0000000000");
 336                                 build_param (child_region->add_child("param"),"blend_method","integer","0");
 337                                 build_color (child_region->add_child("param"),getRed(fill),getGreen(fill),getBlue(fill),atof(fill_opacity.data())*atof(opacity.data()));
 338                                 build_vector (child_region->add_child("param"),"offset",0,0,offset_id[i]);
 339                                 build_param (child_region->add_child("param"),"invert","bool","false");
 340                                 build_param (child_region->add_child("param"),"antialias","bool","true");
 341                                 build_param (child_region->add_child("param"),"feather","real","0.0000000000");
 342                                 build_param (child_region->add_child("param"),"blurtype","integer","1");
 343                                 if(fill_rule.compare("evenodd")==0) build_param (child_region->add_child("param"),"winding_style","integer","1");
 344                                 else build_param (child_region->add_child("param"),"winding_style","integer","0");
 345
 346                                 build_bline (child_region->add_child("param"),*aux,loop,bline_id[i]);
 347                                 i++;
 348                         }
 349                 }
 350                 if(typeFill==2){ //gradient in onto mode (fill)
 351                         if (SVG_RESOLVE_BLINE)
 352                                 build_url(child_fill->add_child("layer"),fill,mtx);
 353                         else
 354                                 build_url(child_fill->add_child("layer"),fill,NULL);
 355                 }
 356
 357                 if(typeStroke!=0){//outline layer
 358                         int i=0;
 359                         for (aux=k.begin(); aux!=k.end(); aux++){
 360                                 xmlpp::Element *child_outline=child_stroke->add_child("layer");
 361                                 child_outline->set_attribute("type","outline");
 362                                 child_outline->set_attribute("active","true");
 363                                 child_outline->set_attribute("version","0.2");
 364                                 child_outline->set_attribute("desc",id);
 365                                 build_param (child_outline->add_child("param"),"z_depth","real","0.0000000000");
 366                                 build_param (child_outline->add_child("param"),"amount","real","1.0000000000");
 367                                 build_param (child_outline->add_child("param"),"blend_method","integer","0");
 368                                 build_color (child_outline->add_child("param"),getRed(stroke),getGreen(stroke),getBlue(stroke),atof(stroke_opacity.data())*atof(opacity.data()));
 369                                 build_vector (child_outline->add_child("param"),"offset",0,0,offset_id[i]);
 370                                 build_param (child_outline->add_child("param"),"invert","bool","false");
 371                                 build_param (child_outline->add_child("param"),"antialias","bool","true");
 372                                 build_param (child_outline->add_child("param"),"feather","real","0.0000000000");
 373                                 build_param (child_outline->add_child("param"),"blurtype","integer","1");
 374                                 //outline in nonzero
 375                                 build_param (child_outline->add_child("param"),"winding_style","integer","0");
 376
 377                                 build_bline (child_outline->add_child("param"),*aux,loop,bline_id[i]);
 378
 379                                 stroke_width=etl::strprintf("%f",getDimension(stroke_width)/kux);
 380                                 build_param (child_outline->add_child("param"),"width","real",stroke_width);
 381                                 build_param (child_outline->add_child("param"),"expand","real","0.0000000000");
 382                                 if(stroke_linejoin.compare("miter")==0) build_param (child_outline->add_child("param"),"sharp_cusps","bool","true");
 383                                 else build_param (child_outline->add_child("param"),"sharp_cusps","bool","false");
 384                                 if(stroke_linecap.compare("butt")==0){
 385                                         build_param (child_outline->add_child("param"),"round_tip[0]","bool","false");
 386                                         build_param (child_outline->add_child("param"),"round_tip[1]","bool","false");
 387                                 }else{
 388                                         build_param (child_outline->add_child("param"),"round_tip[0]","bool","true");
 389                                         build_param (child_outline->add_child("param"),"round_tip[1]","bool","true");
 390                                 }
 391                                 build_param (child_outline->add_child("param"),"loopyness","real","1.0000000000");
 392                                 build_param (child_outline->add_child("param"),"homogeneous_width","bool","true");
 393
 394
 395                                 i++;
 396                         }
 397
 398                         if(typeStroke==2){ //gradient in onto mode (stroke)
 399                         if (SVG_RESOLVE_BLINE)
 400                                 build_url(child_stroke->add_child("layer"),fill,mtx);
 401                         else
 402                                 build_url(child_stroke->add_child("layer"),fill,NULL);
 403                         }
 404                         if (SVG_RESOLVE_BLINE)
 405                                 parser_effects(nodeElement,child_layer,parent_style,NULL);
 406                         else
 407                                 parser_effects(nodeElement,child_layer,parent_style,mtx);
 408
 409                 }
 410         }
 411 }
 412
 413 void
 414 Svg_parser::rect_simple(const xmlpp::Element* nodeElement,xmlpp::Element* root,String fill, String fill_opacity, String opacity){
 415         Glib::ustring rect_id           =nodeElement->get_attribute_value("id");
 416         Glib::ustring rect_x            =nodeElement->get_attribute_value("x");
 417         Glib::ustring rect_y            =nodeElement->get_attribute_value("y");
 418         Glib::ustring rect_width        =nodeElement->get_attribute_value("width");
 419         Glib::ustring rect_height       =nodeElement->get_attribute_value("height");
 420
 421         xmlpp::Element *child_rect=root->add_child("layer");
 422         child_rect->set_attribute("type","rectangle");
 423         child_rect->set_attribute("active","true");
 424         child_rect->set_attribute("version","0.2");
 425         child_rect->set_attribute("desc",rect_id);
 426
 427         build_real(child_rect->add_child("param"),"z_depth",0.0);
 428         build_real(child_rect->add_child("param"),"amount",1.0);
 429         build_integer(child_rect->add_child("param"),"blend_method",0);
 430         build_color (child_rect->add_child("param"),getRed (fill),getGreen (fill),getBlue(fill),atof(opacity.data())*atof(fill_opacity.data()));
 431
 432         float auxx=atof(rect_x.c_str());
 433         float auxy=atof(rect_y.c_str());
 434         coor2vect(&auxx,&auxy);
 435         build_vector (child_rect->add_child("param"),"point1",auxx,auxy);
 436         auxx= atof(rect_x.c_str()) + atof(rect_width.c_str());
 437         auxy= atof(rect_y.c_str()) + atof(rect_height.c_str());
 438         coor2vect(&auxx,&auxy);
 439         build_vector (child_rect->add_child("param"),"point2",auxx,auxy);
 440
 441
 442 }
 443
 444 void
 445 Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx){
 446         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
 447                 Glib::ustring label             =nodeElement->get_attribute_value("label");
 448                 Glib::ustring style             =nodeElement->get_attribute_value("style");
 449                 Glib::ustring fill              =nodeElement->get_attribute_value("fill");
 450
 451                 String layer_style;
 452                 if(!style.empty()){
 453                         layer_style=style;
 454                 }else if(!fill.empty()){
 455                         layer_style.append("fill:");
 456                         layer_style.append(fill);
 457                 }else if(!parent_style.empty()){
 458                         layer_style=parent_style;
 459                 }
 460                 //build
 461                 root->set_attribute("type","PasteCanvas");
 462                 root->set_attribute("active","true");
 463                 root->set_attribute("version","0.1");
 464                 if(!label.empty())      root->set_attribute("desc",label);
 465                 else            root->set_attribute("desc","Inline Canvas");
 466
 467                 build_real(root->add_child("param"),"z_depth",0.0);
 468                 build_real(root->add_child("param"),"amount",1.0);
 469                 build_integer(root->add_child("param"),"blend_method",0);
 470                 build_vector (root->add_child("param"),"origin",0,0);
 471
 472                 //printf(" canvas attributes ");
 473                 //canvas
 474                 xmlpp::Element *child_canvas=root->add_child("param");
 475                 child_canvas->set_attribute("name","canvas");
 476                 child_canvas=child_canvas->add_child("canvas");
 477                 const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
 478                 if(!nodeContent){
 479                 xmlpp::Node::NodeList list = node->get_children();
 480                 for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 481                                 Glib::ustring name =(*iter)->get_name();
 482                                 parser_graphics (*iter,child_canvas,layer_style,mtx);
 483                 }
 484                 }
 485                 if (! SVG_SEP_TRANSFORMS) parser_effects(nodeElement,child_canvas,parent_style,mtx);
 486         }
 487 }
 488
 489 std::list<std::list<Vertice*> >
 490 Svg_parser::parser_polygon_path(Glib::ustring polygon_points, Matrix* mtx){
 491         std::list<std::list<Vertice*> > k0;
 492         if(polygon_points.empty())
 493                 return k0;
 494         std::list<Vertice*> k;
 495         std::vector<String> tokens=get_tokens_path (polygon_points);
 496         unsigned int i;
 497         float ax,ay; ax=ay=0;
 498         for(i=0;i<tokens.size();i++){
 499                 ax=atof(tokens.at(i).data());
 500                 i++; if(tokens.at(i).compare(",")==0) i++;
 501                 ay=atof(tokens.at(i).data());
 502                 //mtx
 503                 if(mtx) transformPoint2D(mtx,&ax,&ay);
 504                 //adjust
 505                 coor2vect(&ax,&ay);
 506                 //save
 507                 k.push_back(newVertice(ax,ay));
 508         }
 509         k0.push_front(k);
 510         return k0;
 511 }
 512
 513 std::vector<String>
 514 Svg_parser::get_tokens_path(String path){ //mini path lexico-parser
 515         std::vector<String> tokens;
 516         String buffer;
 517         int e=0;
 518         unsigned int i=0;
 519         char a;
 520         while(i<path.size()){
 521                 a=path.at(i);
 522                 switch(e){
 523                         case 0: //initial state
 524                                         if(a=='m'){ e=1; i++;}
 525                                         else if(a=='c'){ e= 2; i++;}
 526                                         else if(a=='q'){ e= 3; i++;}
 527                                         else if(a=='t'){ e= 4; i++;}
 528                                         else if(a=='a'){ e= 5; i++;}
 529                                         else if(a=='l'){ e= 6; i++;}
 530                                         else if(a=='v'){ e= 7; i++;}
 531                                         else if(a=='h'){ e= 8; i++;}
 532                                         else if(a=='M'){ e= 9; i++;}
 533                                         else if(a=='C'){ e=10; i++;}
 534                                         else if(a=='Q'){ e=11; i++;}
 535                                         else if(a=='T'){ e=12; i++;}
 536                                         else if(a=='A'){ e=13; i++;}
 537                                         else if(a=='L'){ e=14; i++;}
 538                                         else if(a=='V'){ e=15; i++;}
 539                                         else if(a=='H'){ e=16; i++;}
 540                                         else if(a=='z' || a=='Z'){ e=17; i++;}
 541                                         else if(a=='-' ||a=='.'|| isdigit (a)){ e=18;}
 542                                         else if(a==','){ e=19; i++;}
 543                                         else if(a==' '){i++;}
 544                                         break;
 545                         //relative
 546                         case 1 : tokens.push_back("m"); e=0; break;//move
 547                         case 2 : tokens.push_back("c"); e=0; break;//curve
 548                         case 3 : tokens.push_back("q"); e=0; break;//quadratic
 549                         case 4 : tokens.push_back("t"); e=0; break;//smooth quadratic
 550                         case 5 : tokens.push_back("a"); e=0; break;//elliptic arc
 551                         case 6 : tokens.push_back("l"); e=0; break;//line to
 552                         case 7 : tokens.push_back("v"); e=0; break;//vertical
 553                         case 8 : tokens.push_back("h"); e=0; break;//horizontal
 554                         //absolute
 555                         case 9 : tokens.push_back("M"); e=0; break;
 556                         case 10: tokens.push_back("C"); e=0; break;
 557                         case 11: tokens.push_back("Q"); e=0; break;
 558                         case 12: tokens.push_back("T"); e=0; break;
 559                         case 13: tokens.push_back("A"); e=0; break;
 560                         case 14: tokens.push_back("L"); e=0; break;
 561                         case 15: tokens.push_back("V"); e=0; break;
 562                         case 16: tokens.push_back("H"); e=0; break;
 563
 564                         case 17: tokens.push_back("z"); e=0; break;//loop
 565                         case 18: if(a=='-'||a=='.'|| isdigit (a)){
 566                                                 buffer.append(path.substr(i,1));i++;
 567                                         }else{
 568                                                 e=20;
 569                                         }
 570                                         break;
 571                         case 19: tokens.push_back(","); e=0; break;
 572                         case 20: tokens.push_back(buffer);
 573                                         buffer.clear();
 574                                         e=0; break;
 575                         default: break;
 576                 }
 577         }
 578         switch(e){//last element
 579                 case 1 : tokens.push_back("m"); break;
 580                 case 2 : tokens.push_back("c"); break;
 581                 case 3 : tokens.push_back("q"); break;
 582                 case 4 : tokens.push_back("t"); break;
 583                 case 5 : tokens.push_back("a"); break;
 584                 case 6 : tokens.push_back("l"); break;
 585                 case 7 : tokens.push_back("v"); break;
 586                 case 8 : tokens.push_back("h"); break;
 587                 case 9 : tokens.push_back("M"); break;
 588                 case 10: tokens.push_back("C"); break;
 589                 case 11: tokens.push_back("Q"); break;
 590                 case 12: tokens.push_back("T"); break;
 591                 case 13: tokens.push_back("A"); break;
 592                 case 14: tokens.push_back("L"); break;
 593                 case 15: tokens.push_back("V"); break;
 594                 case 16: tokens.push_back("H"); break;
 595                 case 17: tokens.push_back("z"); break;
 596                 case 18: tokens.push_back(buffer); break;
 597                 case 19: tokens.push_back(","); break;
 598                 case 20: tokens.push_back(buffer); break;
 599                 default: break;
 600         }
 601         return tokens;
 602 }
 603
 604 std::list<std::list<Vertice*> >
 605 Svg_parser::parser_path_d(String path_d,Matrix* mtx){
 606         std::list<std::list<Vertice*> > k;
 607         std::list<Vertice*> k1;
 608         float ax,ay,tgx,tgy,tgx2,tgy2;//each method
 609         float actual_x=0,actual_y=0;//for relative methods;
 610         loop=false;
 611         unsigned int i;
 612         std::vector<String> tokens=get_tokens_path(path_d);
 613         for(i=0;i<tokens.size();i++){
 614                 if(tokens.at(i).compare("M")==0){//absolute move to
 615                         if(!k1.empty())
 616                                 k.push_front(k1);
 617                         k1.clear();
 618                         //read
 619                         i++; ax=atof(tokens.at(i).data());
 620                         i++; if(tokens.at(i).compare(",")==0) i++;
 621                         ay=atof(tokens.at(i).data());
 622                         actual_x=ax;
 623                         actual_y=ay;
 624                         //operate and save
 625                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 626                         coor2vect(&ax,&ay);
 627                         k1.push_back(newVertice (ax,ay)); //first element
 628                         setSplit(k1.back(),TRUE);
 629                 }else if(tokens.at(i).compare("C")==0){ //absolute curve
 630                         //tg2
 631                         i++; tgx2=atof(tokens.at(i).data());
 632                         i++; if(tokens.at(i).compare(",")==0) i++;
 633                         tgy2=atof(tokens.at(i).data());
 634                         //tg1
 635                         i++; tgx=atof(tokens.at(i).data());
 636                         i++; if(tokens.at(i).compare(",")==0) i++;
 637                         tgy=atof(tokens.at(i).data());
 638                         //point
 639                         i++; ax=atof(tokens.at(i).data());
 640                         i++; if(tokens.at(i).compare(",")==0) i++;
 641                         ay=atof(tokens.at(i).data());
 642                         actual_x=ax;
 643                         actual_y=ay;
 644                         //mtx
 645                         if(mtx){
 646                                 transformPoint2D(mtx,&tgx2,&tgy2);
 647                                 transformPoint2D(mtx,&ax,&ay);
 648                                 transformPoint2D(mtx,&tgx,&tgy);
 649                         }
 650                         //adjust
 651                         coor2vect(&tgx2,&tgy2);
 652                         coor2vect(&ax,&ay);
 653                         coor2vect(&tgx,&tgy);
 654                         //save
 655                         setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 656                         if(isFirst(k1.front(),ax,ay)){
 657                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 658                         }else{
 659                                 k1.push_back(newVertice (ax,ay));
 660                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 661                                 setSplit(k1.back(),TRUE);
 662                         }
 663                 }else if(tokens.at(i).compare("Q")==0){ //absolute quadractic curve
 664                         //tg1 and tg2
 665                         i++; tgx=ax=atof(tokens.at(i).data());
 666                         i++; if(tokens.at(i).compare(",")==0) i++;
 667                         tgy=ay=atof(tokens.at(i).data());
 668                         //point
 669                         i++; ax=atof(tokens.at(i).data());
 670                         i++; if(tokens.at(i).compare(",")==0) i++;
 671                         ay=atof(tokens.at(i).data());
 672                         actual_x=ax;
 673                         actual_y=ay;
 674                         //mtx
 675                         if(mtx){
 676                                 transformPoint2D(mtx,&ax,&ay);
 677                                 transformPoint2D(mtx,&tgx,&tgy);
 678                         }
 679                         //adjust
 680                         coor2vect(&ax,&ay);
 681                         coor2vect(&tgx,&tgy);
 682                         //save
 683                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 684                         setSplit(k1.back(),FALSE);
 685                         k1.push_back(newVertice (ax,ay));
 686                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 687                 }else if(tokens.at(i).compare("L")==0){ //absolute line to
 688                         //point
 689                         i++; ax=atof(tokens.at(i).data());
 690                         i++; if(tokens.at(i).compare(",")==0) i++;
 691                         ay=atof(tokens.at(i).data());
 692                         actual_x=ax;
 693                         actual_y=ay;
 694                         //mtx
 695                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 696                         //adjust
 697                         coor2vect(&ax,&ay);
 698                         //save
 699                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 700                         if(isFirst(k1.front(),ax,ay)){
 701                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 702                         }else{
 703                                 k1.push_back(newVertice(ax,ay));
 704                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 705                         }
 706                 }else if(tokens.at(i).compare("l")==0){//relative line to
 707                         //point read
 708                         i++; ax=atof(tokens.at(i).data());
 709                         i++; if(tokens.at(i).compare(",")==0) i++;
 710                         ay=atof(tokens.at(i).data());
 711                         //relative
 712                         ax=actual_x+ax;
 713                         ay=actual_y+ay;
 714                         actual_x=ax;
 715                         actual_y=ay;
 716                         //mtx
 717                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 718                         //adjust
 719                         coor2vect(&ax,&ay);
 720                         //save
 721                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 722                         if(isFirst(k1.front(),ax,ay)){
 723                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 724                         }else{
 725                                 k1.push_back(newVertice(ax,ay));
 726                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 727                         }
 728                 }else if(tokens.at(i).compare("H")==0){//absolute horizontal move
 729                         //the same that L but only Horizontal movement
 730                         //point
 731                         i++; ax=atof(tokens.at(i).data());
 732                         ay=actual_y;
 733                         actual_x=ax;
 734                         actual_y=ay;
 735                         //mtx
 736                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 737                         //adjust
 738                         coor2vect(&ax,&ay);
 739                         //save
 740                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 741                         if(isFirst(k1.front(),ax,ay)){
 742                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 743                         }else{
 744                                 k1.push_back(newVertice(ax,ay));
 745                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 746                         }
 747                 }else if(tokens.at(i).compare("h")==0){//horizontal relative
 748                         i++; ax=atof(tokens.at(i).data());
 749                         ax=actual_x+ax;
 750                         ay=actual_y;
 751                         actual_x=ax;
 752                         actual_y=ay;
 753                         //mtx
 754                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 755                         //adjust
 756                         coor2vect(&ax,&ay);
 757                         //save
 758                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 759                         if(isFirst(k1.front(),ax,ay)){
 760                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 761                         }else{
 762                                 k1.push_back(newVertice(ax,ay));
 763                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 764                         }
 765                 }else if(tokens.at(i).compare("V")==0){//vertical absolute
 766                         //point
 767                         i++; ay=atof(tokens.at(i).data());
 768                         ax=actual_x;
 769                         actual_x=ax;
 770                         actual_y=ay;
 771                         //mtx
 772                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 773                         //adjust
 774                         coor2vect(&ax,&ay);
 775                         //save
 776                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 777                         if(isFirst(k1.front(),ax,ay)){
 778                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 779                         }else{
 780                                 k1.push_back(newVertice(ax,ay));
 781                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 782                         }
 783                 }else if(tokens.at(i).compare("v")==0){//relative
 784                         //point
 785                         i++; ay=atof(tokens.at(i).data());
 786                         ax=actual_x;
 787                         ay=actual_y+ay;
 788                         actual_x=ax;
 789                         actual_y=ay;
 790                         //mtx
 791                         if(mtx) transformPoint2D(mtx,&ax,&ay);
 792                         //adjust
 793                         coor2vect(&ax,&ay);
 794                         //save
 795                         setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 796                         if(isFirst(k1.front(),ax,ay)){
 797                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
 798                         }else{
 799                                 k1.push_back(newVertice(ax,ay));
 800                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
 801                         }
 802                 }else if(tokens.at(i).compare("T")==0){// I don't know what does it
 803                 }else if(tokens.at(i).compare("A")==0){//elliptic arc
 804
 805                         //isn't complete support, is only for circles
 806
 807                         //this curve have 6 parameters
 808                         //radio
 809                         float radio_x,radio_y;
 810                         float angle;
 811                         bool sweep,large;
 812                         //radio
 813                         i++; radio_x=atof(tokens.at(i).data());
 814                         i++; if(tokens.at(i).compare(",")==0) i++;
 815                         radio_y=atof(tokens.at(i).data());
 816                         //angle
 817                         i++; angle=atof(tokens.at(i).data());
 818                         //flags
 819                         i++; large=atoi(tokens.at(i).data());
 820                         i++; sweep=atoi(tokens.at(i).data());
 821                         //point
 822                         i++; ax=atof(tokens.at(i).data());
 823                         i++; if(tokens.at(i).compare(",")==0) i++;
 824                         ay=atof(tokens.at(i).data());
 825                         //how to draw?
 826                         if(!large && !sweep){
 827                                 //points
 828                                 tgx2 = actual_x + radio_x*0.5;
 829                                 tgy2 = actual_y ;
 830                                 tgx  = ax;
 831                                 tgy  = ay + radio_y*0.5;
 832                                 actual_x=ax;
 833                                 actual_y=ay;
 834                                 //transformations
 835                                 if(mtx){
 836                                         transformPoint2D(mtx,&tgx2,&tgy2);
 837                                         transformPoint2D(mtx,&ax,&ay);
 838                                         transformPoint2D(mtx,&tgx,&tgy);
 839                                 }
 840                                 //adjust
 841                                 coor2vect(&tgx2,&tgy2);
 842                                 coor2vect(&ax,&ay);
 843                                 coor2vect(&tgx,&tgy);
 844                                 //save
 845                                 setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 846                                 if(isFirst(k1.front(),ax,ay)){
 847                                         setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 848                                 }else{
 849                                         k1.push_back(newVertice (ax,ay));
 850                                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 851                                         setSplit(k1.back(),TRUE);
 852                                 }
 853                         }else if(!large &&  sweep){
 854                                 //points
 855                                 tgx2 = actual_x;
 856                                 tgy2 = actual_y + radio_y*0.5;
 857                                 tgx  = ax + radio_x*0.5;
 858                                 tgy  = ay ;
 859                                 actual_x=ax;
 860                                 actual_y=ay;
 861                                 //transformations
 862                                 if(mtx){
 863                                         transformPoint2D(mtx,&tgx2,&tgy2);
 864                                         transformPoint2D(mtx,&ax,&ay);
 865                                         transformPoint2D(mtx,&tgx,&tgy);
 866                                 }
 867                                 //adjust
 868                                 coor2vect(&tgx2,&tgy2);
 869                                 coor2vect(&ax,&ay);
 870                                 coor2vect(&tgx,&tgy);
 871                                 //save
 872                                 setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 873                                 if(isFirst(k1.front(),ax,ay)){
 874                                         setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 875                                 }else{
 876                                         k1.push_back(newVertice (ax,ay));
 877                                         setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 878                                         setSplit(k1.back(),TRUE);
 879                                 }
 880                         }else if( large && !sweep){//rare
 881                                 //this need more than one vertex
 882                         }else if( large &&  sweep){//circles in inkscape are made with this kind of arc
 883                                 if(actual_y==ay){//circles
 884                                         //intermediate point
 885                                         int sense=1;
 886                                         if(actual_x>ax) sense =-1;
 887                                         float in_x,in_y,in_tgx1,in_tgy1,in_tgx2,in_tgy2;
 888                                         in_x = (actual_x+ax)/2;
 889                                         in_y = actual_y - sense*radio_y;
 890                                         in_tgx1 = in_x - sense*(radio_x*0.5);
 891                                         in_tgx2 = in_x + sense*(radio_x*0.5);
 892                                         in_tgy1 = in_y;
 893                                         in_tgy2 = in_y;
 894                                         //start/end points
 895                                         tgx2=actual_x;
 896                                         tgy2=ay - sense*(radio_y*0.5);
 897                                         tgx =ax;
 898                                         tgy =ay - sense*(radio_y*0.5);
 899
 900                                         actual_x=ax;
 901                                         actual_y=ay;
 902                                         //transformations
 903                                         if(mtx){
 904                                                 transformPoint2D(mtx,&tgx2,&tgy2);
 905                                                 transformPoint2D(mtx,&tgx ,&tgy );
 906                                                 transformPoint2D(mtx,&ax,&ay);
 907
 908                                                 transformPoint2D(mtx,&in_tgx2,&in_tgy2);
 909                                                 transformPoint2D(mtx,&in_tgx1,&in_tgy1);
 910                                                 transformPoint2D(mtx,&in_x,&in_y);
 911                                         }
 912                                         //adjust
 913                                         coor2vect(&tgx2 , &tgy2);
 914                                         coor2vect(&ax   , &ay  );
 915                                         coor2vect(&tgx  , &tgy );
 916
 917                                         coor2vect(&in_tgx2 , &in_tgy2);
 918                                         coor2vect(&in_tgx1 , &in_tgy1);
 919                                         coor2vect(&in_x    , &in_y   );
 920
 921                                         //save the last tg2
 922                                         setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
 923                                         //save the intermediate point
 924                                         k1.push_back(newVertice (in_x,in_y));
 925                                         setTg1(k1.back(),k1.back()->x,k1.back()->y, in_tgx1 , in_tgy1);
 926                                         setTg2(k1.back(),k1.back()->x,k1.back()->y, in_tgx2 , in_tgy2);
 927                                         setSplit(k1.back(),TRUE); //this could be changed
 928                                         //save the new point
 929                                         if(isFirst(k1.front(),ax,ay)){
 930                                                 setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
 931                                         }else{
 932                                                 k1.push_back(newVertice (ax,ay));
 933                                                 setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
 934                                                 setSplit(k1.back(),TRUE);
 935                                         }
 936                                 }
 937                         }
 938                 }else if(tokens.at(i).compare("z")==0){
 939                         loop=true;
 940                 }else{
 941                         std::cout<<"don't supported: "<<tokens.at(i)<<std::endl;
 942                 }
 943         }
 944         if(!k1.empty())
 945                 k.push_front(k1); //last element
 946         return k;
 947 }
 948
 949 void
 950 Svg_parser::parser_effects(const xmlpp::Element* nodeElement,xmlpp::Element* root,String parent_style,Matrix* mtx){
 951         if (mtx) {
 952                 xmlpp::Element *child_transform=root->add_child("layer");
 953                 child_transform->set_attribute("type","warp");
 954                 child_transform->set_attribute("active","true");
 955                 child_transform->set_attribute("version","0.1");
 956                 child_transform->set_attribute("desc","Transform");
 957
 958                 float x,y;
 959                 x=100;y=100;coor2vect(&x,&y);
 960                 build_vector (child_transform->add_child("param"),"src_tl",x,y);
 961
 962                 x=200;y=200;coor2vect(&x,&y);
 963                 build_vector (child_transform->add_child("param"),"src_br",x,y);
 964
 965
 966                 x=100;y=100;
 967                 transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
 968                 build_vector (child_transform->add_child("param"),"dest_tl",x,y);
 969
 970                 x=200;y=100;
 971                 transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
 972                 build_vector (child_transform->add_child("param"),"dest_tr",x,y);
 973
 974                 x=200;y=200;
 975                 transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
 976                 build_vector (child_transform->add_child("param"),"dest_br",x,y);
 977
 978                 x=100;y=200;
 979                 transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
 980                 build_vector (child_transform->add_child("param"),"dest_bl",x,y);
 981
 982                 build_param (child_transform->add_child("param"),"clip","bool","false");
 983                 build_param (child_transform->add_child("param"),"horizon","real","4.0");
 984         }
 985 }
 986
 987
 988 void
 989 Svg_parser::parser_defs(const xmlpp::Node* node){
 990         const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
 991         if(!nodeContent){
 992                 xmlpp::Node::NodeList list = node->get_children();
 993                 for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
 994                         Glib::ustring name =(*iter)->get_name();
 995                         if(name.compare("linearGradient")==0){
 996                                 parser_linearGradient(*iter);
 997                         }else if(name.compare("radialGradient")==0){
 998                                 parser_radialGradient(*iter);
 999                         }
1000                 }
1001         }
1002 }
1003
1004 void
1005 Svg_parser::AdjustPointUrl(){
1006 /*
1007         if(!lg.empty()){//linealgradient
1008                 std::list<LinearGradient*>::iterator aux=lg.begin();
1009                 while(aux!=lg.end()){
1010                         LinearGradient* auxlg=*aux;
1011                         coor2vect (&auxlg->x1,&auxlg->y1);
1012                         coor2vect (&auxlg->x2,&auxlg->y2);
1013                         aux++;
1014                 }
1015         }
1016         if(!rg.empty()){//radialgradient
1017                 std::list<RadialGradient*>::iterator aux=rg.begin();
1018                 while(aux!=rg.end()){
1019                         RadialGradient* auxrg=*aux;
1020                         coor2vect (&auxrg->cx,&auxrg->cy);
1021                         auxrg->r= auxrg->r/kux;
1022                         aux++;
1023                 }
1024         }
1025 */
1026 }
1027 std::list<ColorStop*>*
1028 Svg_parser::find_colorStop(String name){
1029         if(!name.empty()){
1030                 if(lg.empty()&& rg.empty())
1031                         return NULL;
1032
1033                 String find= name;
1034                 if(find.at(0)=='#') find.erase(0,1);
1035                 else return NULL;
1036                 std::list<LinearGradient*>::iterator aux=lg.begin();
1037                 while(aux!=lg.end()){//only find into linear gradients
1038                         if(find.compare((*aux)->name)==0){
1039                                 return (*aux)->stops;
1040                         }
1041                         aux++;
1042                 }
1043         }
1044         return NULL;
1045 }
1046 void
1047 Svg_parser::build_url(xmlpp::Element* root, String name,Matrix *mtx){
1048         if(!name.empty()){
1049                 if(lg.empty()&& rg.empty())
1050                         root->get_parent()->remove_child(root);
1051
1052                 int start=name.find_first_of("#")+1;
1053                 int end=name.find_first_of(")");
1054                 String find= name.substr(start,end-start);
1055                 bool encounter=false;
1056                 if(!lg.empty()){
1057                         std::list<LinearGradient*>::iterator aux=lg.begin();
1058                         while(aux!=lg.end()){
1059                                 if(find.compare((*aux)->name)==0){
1060                                         build_linearGradient (root,*aux,mtx);
1061                                         encounter=true;
1062                                 }
1063                                 aux++;
1064                         }
1065                 }
1066                 if(!encounter && !rg.empty()){
1067                         std::list<RadialGradient*>::iterator aux=rg.begin();
1068                         while(aux!=rg.end()){
1069                                 if(find.compare((*aux)->name)==0){
1070                                         build_radialGradient (root,*aux,mtx);
1071                                         encounter=true;
1072                                 }
1073                                 aux++;
1074                         }
1075                 }
1076                 if(!encounter)
1077                         root->get_parent()->remove_child(root);
1078         }else{
1079                 root->get_parent()->remove_child(root);
1080         }
1081 }
1082 void
1083 Svg_parser::build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops){
1084         std::list<ColorStop*>::iterator aux_stop=stops->begin();
1085         while(aux_stop!=stops->end()){
1086                 xmlpp::Element *child=root->add_child("color");
1087                 child->set_attribute("pos",etl::strprintf("%f",(*aux_stop)->pos));
1088                 child->add_child("r")->set_child_text(etl::strprintf("%f",(*aux_stop)->r));
1089                 child->add_child("g")->set_child_text(etl::strprintf("%f",(*aux_stop)->g));
1090                 child->add_child("b")->set_child_text(etl::strprintf("%f",(*aux_stop)->b));
1091                 child->add_child("a")->set_child_text(etl::strprintf("%f",(*aux_stop)->a));
1092                 aux_stop++;
1093         }
1094 }
1095 void
1096 Svg_parser::build_linearGradient(xmlpp::Element* root,LinearGradient* data,Matrix* mtx){
1097         if(data){
1098                 root->set_attribute("type","linear_gradient");
1099                 root->set_attribute("active","true");
1100                 root->set_attribute("desc","Gradient004");
1101                 build_param (root->add_child("param"),"z_depth","real","0");
1102                 build_param (root->add_child("param"),"amount","real","1");
1103                 //straight onto
1104                 build_param (root->add_child("param"),"blend_method","integer","21");
1105                 float x1,y1,x2,y2;
1106                 x1=data->x1;
1107                 y1=data->y1;
1108                 x2=data->x2;
1109                 y2=data->y2;
1110                 if(mtx){
1111                         transformPoint2D(mtx,&x1,&y1);
1112                         transformPoint2D(mtx,&x2,&y2);
1113                 }
1114                 coor2vect (&x1,&y1);
1115                 coor2vect (&x2,&y2);
1116
1117                 build_vector (root->add_child("param"),"p1",x1,y1);
1118                 build_vector (root->add_child("param"),"p2",x2,y2);
1119                 //gradient link
1120                 xmlpp::Element *child=root->add_child("param");
1121                 child->set_attribute("name","gradient");
1122                 build_stop_color (child->add_child("gradient"),data->stops);
1123                 build_param (root->add_child("param"),"loop","bool","false");
1124                 build_param (root->add_child("param"),"zigzag","bool","false");
1125         }
1126 }
1127 void
1128 Svg_parser::build_radialGradient(xmlpp::Element* root,RadialGradient* data,Matrix* mtx){
1129 //not completed
1130         if(data){
1131                 root->set_attribute("type","radial_gradient");
1132                 root->set_attribute("active","true");
1133                 build_param (root->add_child("param"),"z_depth","real","0");
1134                 build_param (root->add_child("param"),"amount","real","1");
1135                 //straight onto
1136                 build_param (root->add_child("param"),"blend_method","integer","21");
1137                 //gradient link
1138                 xmlpp::Element *child=root->add_child("param");
1139                 child->set_attribute("name","gradient");
1140                 build_stop_color (child->add_child("gradient"),data->stops);
1141                 //here the center point and radio
1142                 float cx=data->cx;
1143                 float cy=data->cy;
1144                 float r =data->r;
1145                 //transform
1146                 if(mtx){
1147                         transformPoint2D(mtx,&cx,&cy);
1148                 }
1149                 //adjust
1150                 coor2vect (&cx,&cy);
1151                 r=r/kux;
1152                 build_vector (root->add_child("param"),"center",cx,cy);
1153                 build_param (root->add_child("param"),"radius","real",r);
1154
1155                 build_param (root->add_child("param"),"loop","bool","false");
1156                 build_param (root->add_child("param"),"zigzag","bool","false");
1157         }
1158 }
1159
1160 void
1161 Svg_parser::parser_linearGradient(const xmlpp::Node* node){
1162         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
1163                 Glib::ustring id        =nodeElement->get_attribute_value("id");
1164                 float x1                        =atof(nodeElement->get_attribute_value("x1").data());
1165                 float y1                        =atof(nodeElement->get_attribute_value("y1").data());
1166                 float x2                        =atof(nodeElement->get_attribute_value("x2").data());
1167                 float y2                        =atof(nodeElement->get_attribute_value("y2").data());
1168                 Glib::ustring link      =nodeElement->get_attribute_value("href");
1169
1170                 std::list<ColorStop*> *stops;
1171                 if(!link.empty()){
1172                         stops=find_colorStop (link);
1173                 }else{
1174                         //color stops
1175                         stops=new std::list<ColorStop*>();
1176                         const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
1177                         if(!nodeContent){
1178                         xmlpp::Node::NodeList list = node->get_children();
1179                         for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
1180                                         Glib::ustring name =(*iter)->get_name();
1181                                         if(name.compare("stop")==0){
1182                                                 const xmlpp::Element* nodeIter = dynamic_cast<const xmlpp::Element*>(*iter);
1183                                                 Glib::ustring style     =nodeIter->get_attribute_value("style");
1184                                                 float offset=atof(nodeIter->get_attribute_value("offset").data());
1185                                                 String stop_color;
1186                                                 String opacity;
1187                                                 if(!style.empty()){
1188                                                         extractSubAttribute (style,"stop-color",&stop_color);
1189                                                         extractSubAttribute (style,"stop-opacity",&opacity);
1190                                                 }
1191                                                 if(opacity.empty()) opacity="1";
1192                                                 if(stop_color.empty()) stop_color="#000000";//black for default :S
1193                                                 stops->push_back(newColorStop(stop_color,atof(opacity.data()),offset));
1194                                         }
1195                         }
1196                         }
1197                 }
1198                 if(stops)
1199                         lg.push_back(newLinearGradient(id,x1,y1,x2,y2,stops));
1200         }
1201 }
1202
1203 void
1204 Svg_parser::parser_radialGradient(const xmlpp::Node* node){
1205         if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
1206                 Glib::ustring id        =nodeElement->get_attribute_value("id");
1207                 float cx                        =atof(nodeElement->get_attribute_value("cx").data());
1208                 float cy                        =atof(nodeElement->get_attribute_value("cy").data());
1209                 float r                         =atof(nodeElement->get_attribute_value("r").data());
1210                 Glib::ustring link      =nodeElement->get_attribute_value("href");//basic
1211                 std::list<ColorStop*> *stops=NULL;
1212                 if(!link.empty()){
1213                         //inkscape always use link, i dont need parser stops here, but it's posible
1214                         stops=find_colorStop (link);
1215                 }
1216                 if(stops)
1217                         rg.push_back(newRadialGradient(id,cx,cy,r,stops));
1218         }
1219 }
1220
1221 ColorStop*
1222 Svg_parser::newColorStop(String color,float opacity,float pos){
1223         ColorStop* _stop;
1224         _stop=(ColorStop*)malloc(sizeof(ColorStop));
1225         float r=getRed(color);
1226         float g=getGreen(color);
1227         float b=getBlue(color);
1228         float a=opacity;
1229         Color ret=adjustGamma(r/255,g/255,b/255,a);
1230         _stop->r=ret.get_r();
1231         _stop->g=ret.get_g();
1232         _stop->b=ret.get_b();
1233         _stop->a=ret.get_a();
1234         _stop->pos=pos;
1235         return _stop;
1236 }
1237 Color
1238 Svg_parser::adjustGamma(float r,float g,float b,float a){
1239         Color ret(r,g,b,a);
1240         if(gamma.get_gamma_r()!=1.0){
1241                 if(ret.get_r() < 0)
1242                         ret.set_r(-gamma.r_F32_to_F32(-ret.get_r()));
1243                 else
1244                         ret.set_r(gamma.r_F32_to_F32(ret.get_r()));
1245         }
1246         if(gamma.get_gamma_g()!=1.0){
1247                 if(ret.get_g() < 0)
1248                         ret.set_g(-gamma.g_F32_to_F32(-ret.get_g()));
1249                 else
1250                         ret.set_g(gamma.g_F32_to_F32(ret.get_g()));
1251         }
1252         if(gamma.get_gamma_b()!=1.0){
1253                 if(ret.get_b() < 0)
1254                         ret.set_b(-gamma.b_F32_to_F32(-ret.get_b()));
1255                 else
1256                         ret.set_b(gamma.b_F32_to_F32(ret.get_b()));
1257         }
1258         return ret;
1259 }
1260
1261 LinearGradient*
1262 Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops){
1263         LinearGradient* data;
1264         data=(LinearGradient*)malloc(sizeof(LinearGradient));
1265         sprintf(data->name,"%s",name.data());
1266         data->x1=x1;
1267         data->y1=y1;
1268         data->x2=x2;
1269         data->y2=y2;
1270         data->stops=stops;
1271         return data;
1272 }
1273
1274 RadialGradient*
1275 Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops){
1276         RadialGradient* data;
1277         data=(RadialGradient*)malloc(sizeof(RadialGradient));
1278         sprintf(data->name,"%s",name.data());
1279         data->cx=cx;
1280         data->cy=cy;
1281         data->r=r;
1282         data->stops=stops;
1283         return data;
1284 }
1285
1286 //builds
1287 void
1288 Svg_parser::build_gamma(xmlpp::Element* root,float gamma){
1289         root->set_attribute("type","colorcorrect");
1290         root->set_attribute("active","true");
1291         root->set_attribute("version","0.1");
1292         root->set_attribute("desc","Gamma");
1293         build_real (root->add_child("param"),"gamma",gamma);
1294 }
1295 Matrix*
1296 Svg_parser::build_transform(const String transform){
1297         Matrix* a=NULL;
1298         String tf(transform);
1299         removeIntoS(&tf);
1300         std::vector<String> tokens=tokenize(tf," ");
1301         std::vector<String>::iterator aux=tokens.begin();
1302         while(aux!=tokens.end()){
1303                 if((*aux).compare(0,9,"translate")==0){
1304                         float dx,dy;
1305                         int start,end;
1306                         start   =(*aux).find_first_of("(")+1;
1307                         end             =(*aux).find_first_of(",");
1308                         dx              =atof((*aux).substr(start,end-start).data());
1309                         start   =(*aux).find_first_of(",")+1;
1310                         end             =(*aux).size()-1;
1311                         dy              =atof((*aux).substr(start,end-start).data());
1312                         if(matrixIsNull(a))
1313                                 a=newMatrix(1,0,0,1,dx,dy);
1314                         else
1315                                 multiplyMatrix(&a,newMatrix(1,0,0,1,dx,dy));
1316                 }else if((*aux).compare(0,5,"scale")==0){
1317                         if(matrixIsNull(a))
1318                                 a=newMatrix(1,0,0,1,0,0);
1319                 }else if((*aux).compare(0,6,"rotate")==0){
1320                         float angle,seno,coseno;
1321                         int start,end;
1322                         start   =(*aux).find_first_of("(")+1;
1323                         end             =(*aux).size()-1;
1324                         angle=getRadian (atof((*aux).substr(start,end-start).data()));
1325                         seno   =sin(angle);
1326                         coseno =cos(angle);
1327                         if(matrixIsNull(a))
1328                                 a=newMatrix(coseno,seno,-1*seno,coseno,0,0);
1329                         else
1330                                 multiplyMatrix(&a,newMatrix(coseno,seno,-1*seno,coseno,0,0));
1331                 }else if((*aux).compare(0,6,"matrix")==0){
1332                         int start       =(*aux).find_first_of('(')+1;
1333                         int end         =(*aux).find_first_of(')');
1334                         if(matrixIsNull(a))
1335                                 a=newMatrix((*aux).substr(start,end-start));
1336                         else
1337                                 multiplyMatrix(&a,newMatrix((*aux).substr(start,end-start)));
1338                 }else{
1339                         a=newMatrix(1,0,0,1,0,0);
1340                 }
1341                 aux++;
1342         }
1343         return a;
1344 }
1345
1346 void
1347 Svg_parser::build_translate(xmlpp::Element* root,float dx,float dy){
1348         root->set_attribute("type","translate");
1349         root->set_attribute("active","true");
1350         root->set_attribute("version","0.1");
1351         build_vector (root->add_child("param"),"origin",dx,dy);
1352 }
1353 void
1354 Svg_parser::build_rotate(xmlpp::Element* root,float dx,float dy,float angle){
1355         root->set_attribute("type","rotate");
1356         root->set_attribute("active","true");
1357         root->set_attribute("version","0.1");
1358         build_vector (root->add_child("param"),"origin",dx,dy);
1359         build_real   (root->add_child("param"),"amount",angle);
1360 }
1361 void
1362 Svg_parser::build_points(xmlpp::Element* root,std::list<Vertice*> p){
1363         root->set_attribute("name","vector_list");
1364         xmlpp::Element *child=root->add_child("dynamic_list");
1365         child->set_attribute("type","vector");
1366         std::list<Vertice*>::iterator aux = p.begin();
1367         while(aux!=p.end()){
1368                 xmlpp::Element *child_entry=child->add_child("entry");
1369                 xmlpp::Element *child_vector=child_entry->add_child("vector");
1370                 child_vector->add_child("x")->set_child_text(etl::strprintf("%f",(*aux)->x));
1371                 child_vector->add_child("y")->set_child_text(etl::strprintf("%f",(*aux)->y));
1372                 aux++;
1373         }
1374 }
1375 void
1376 Svg_parser::build_vertice(xmlpp::Element* root , Vertice *p){
1377         xmlpp::Element *child_comp=root->add_child("composite");
1378         child_comp->set_attribute("type","bline_point");
1379         build_vector (child_comp->add_child("param"),"point",p->x,p->y);
1380         build_param (child_comp->add_child("width"),"","real","1.0000000000");
1381         build_param (child_comp->add_child("origin"),"","real","0.5000000000");
1382         if(p->split) build_param (child_comp->add_child("split"),"","bool","true");
1383         else build_param (child_comp->add_child("split"),"","bool","false");
1384         //tangent 1
1385         xmlpp::Element *child_t1=child_comp->add_child("t1");
1386         xmlpp::Element *child_rc=child_t1->add_child("radial_composite");
1387         child_rc->set_attribute("type","vector");
1388         build_param (child_rc->add_child("radius"),"","real",p->radio1);
1389         build_param (child_rc->add_child("theta"),"","angle",p->angle1);
1390         //tangent 2
1391         xmlpp::Element *child_t2=child_comp->add_child("t2");
1392         xmlpp::Element *child_rc2=child_t2->add_child("radial_composite");
1393         child_rc2->set_attribute("type","vector");
1394         build_param (child_rc2->add_child("radius"),"","real",p->radio2);
1395         build_param (child_rc2->add_child("theta"),"","angle",p->angle2);
1396
1397 }
1398 void
1399 Svg_parser::build_bline(xmlpp::Element* root,std::list<Vertice*> p,bool loop,String blineguid){
1400         root->set_attribute("name","bline");
1401         xmlpp::Element *child=root->add_child("bline");
1402         child->set_attribute("type","bline_point");
1403         if(loop)
1404                 child->set_attribute("loop","true");
1405         else
1406                 child->set_attribute("loop","false");
1407         if(!blineguid.empty())  child->set_attribute("guid",blineguid);
1408         std::list<Vertice*>::iterator aux = p.begin();
1409         while(aux!=p.end()){
1410                 if(*aux) build_vertice (child->add_child("entry"),*aux);
1411                 aux++;
1412         }
1413 }
1414
1415 void
1416 Svg_parser::build_param(xmlpp::Element* root,String name,String type,String value){
1417         if(!type.empty() && !value.empty()){
1418                 if(!name.empty())       root->set_attribute("name",name);
1419                 xmlpp::Element *child=root->add_child(type);
1420                 child->set_attribute("value",value);
1421         }else{
1422                 root->get_parent()->remove_child(root);
1423         }
1424 }
1425 void
1426 Svg_parser::build_param(xmlpp::Element* root,String name,String type,float value){
1427         if(!type.empty()){
1428                 if(!name.empty()) root->set_attribute("name",name);
1429                 xmlpp::Element *child=root->add_child(type);
1430                 child->set_attribute("value",etl::strprintf ("%f",value));
1431         }else{
1432                 root->get_parent()->remove_child(root);
1433         }
1434 }
1435 void
1436 Svg_parser::build_param(xmlpp::Element* root,String name,String type,int value){
1437         if(!type.empty()){
1438                         if(!name.empty()) root->set_attribute("name",name);
1439                         xmlpp::Element *child=root->add_child(type);
1440                         char *enteroc=new char[10];
1441                         sprintf(enteroc,"%d",value);
1442                         child->set_attribute("value",enteroc);
1443                         delete [] enteroc;
1444         }else{
1445                 root->get_parent()->remove_child(root);
1446         }
1447 }
1448
1449 void
1450 Svg_parser::build_integer(xmlpp::Element* root,String name,int value){
1451         if(name.compare("")!=0) root->set_attribute("name",name);
1452         xmlpp::Element *child=root->add_child("integer");
1453         char *enteroc=new char[10];
1454         sprintf(enteroc,"%d",value);
1455         child->set_attribute("value",enteroc);
1456 }
1457 void
1458 Svg_parser::build_real(xmlpp::Element* root,String name,float value){
1459         if(name.compare("")!=0) root->set_attribute("name",name);
1460         xmlpp::Element *child=root->add_child("real");
1461         char *realc=new char[20];
1462         sprintf(realc,"%f",value);
1463         child->set_attribute("value",realc);
1464 }
1465
1466 void
1467 Svg_parser::build_color(xmlpp::Element* root,float r,float g,float b,float a){
1468         if(r>255 || g>255 || b>255 || a>1 || r<0 || g<0 || b<0 || a<0){
1469                 root->get_parent()->remove_child(root);
1470                 printf("Color aborted\n");
1471                 return;
1472         }
1473         Color ret=adjustGamma(r/255,g/255,b/255,a);
1474
1475         root->set_attribute("name","color");
1476         xmlpp::Element *child=root->add_child("color");
1477         child->add_child("r")->set_child_text(etl::strprintf("%f",ret.get_r()));
1478         child->add_child("g")->set_child_text(etl::strprintf("%f",ret.get_g()));
1479         child->add_child("b")->set_child_text(etl::strprintf("%f",ret.get_b()));
1480         child->add_child("a")->set_child_text(etl::strprintf("%f",ret.get_a()));
1481 }
1482 void
1483 Svg_parser::build_vector(xmlpp::Element* root,String name,float x,float y){
1484
1485         if(name.compare("")!=0) root->set_attribute("name",name);
1486         xmlpp::Element *child=root->add_child("vector");
1487         child->add_child("x")->set_child_text(etl::strprintf("%f",x));
1488         child->add_child("y")->set_child_text(etl::strprintf("%f",y));
1489
1490 }
1491 void
1492 Svg_parser::build_vector (xmlpp::Element* root,String name,float x,float y,String guid){
1493         if(name.compare("")!=0) root->set_attribute("name",name);
1494         xmlpp::Element *child=root->add_child("vector");
1495         if(!guid.empty()) child->set_attribute("guid",guid);
1496         child->add_child("x")->set_child_text(etl::strprintf("%f",x));
1497         child->add_child("y")->set_child_text(etl::strprintf("%f",y));
1498 }
1499
1500 xmlpp::Element*
1501 Svg_parser::nodeStartBasicLayer(xmlpp::Element* root){
1502         root->set_attribute("type","PasteCanvas");
1503         root->set_attribute("active","true");
1504         root->set_attribute("version","0.1");
1505         root->set_attribute("desc","Composite");
1506         build_param (root->add_child("param"),"z_depth","real","0");
1507         build_param (root->add_child("param"),"amount","real","1");
1508         build_param (root->add_child("param"),"blend_method","integer","0");
1509         build_vector (root->add_child("param"),"origin",0,0);
1510         xmlpp::Element *child=root->add_child("param");
1511         child->set_attribute("name","canvas");
1512         return child->add_child("canvas");
1513 }
1514
1515 //extra methods
1516 void
1517 Svg_parser::coor2vect(float *x,float *y){
1518         float sx, sy;
1519         sx=*x;
1520         sy=*y;
1521         sy= atof(height.c_str())-sy;
1522         sx= sx - ox;
1523         sy= sy - oy;
1524         sx= sx / kux;
1525         sy= sy / kux;
1526         *x=sx; *y=sy;
1527 }
1528
1529 void
1530 Svg_parser::setTg1(Vertice *p,float p1x,float p1y,float p2x,float p2y){
1531         float rd=0,ag=0;
1532         float d1x,d1y,d2x,d2y,dx,dy;
1533         d1x=p1x*60;
1534         d1y=p1y*60;
1535         d2x=p2x*60;
1536         d2y=p2y*60;
1537         dx=d2x-d1x;
1538         dy=d2y-d1y;
1539         dx=dx*3;
1540         dy=dy*3;
1541         dx=dx/60;
1542         dy=dy/60;
1543         rd=sqrt(dx*dx + dy*dy);
1544         if(dx>0 && dy>0){
1545                 ag=PI + atan(dy/dx);
1546         }else if(dx>0 && dy<0){
1547                 ag=PI + atan(dy/dx);
1548         }else if(dx<0 && dy<0){
1549                 ag=atan(dy/dx);
1550         }else if(dx<0 && dy>0){
1551                 ag= 2*PI+atan(dy/dx);
1552         }else if(dx==0 && dy>0){
1553                 ag=-1*PI/2;
1554         }else if(dx==0 && dy<0){
1555                 ag=PI/2;
1556         }else if(dx==0 && dy==0){
1557                 ag=0;
1558         }else if(dx<0 && dy==0){
1559                 ag=0;
1560         }else if(dx>0 && dy==0){
1561                 ag=PI;
1562         }
1563         ag= (ag*180)/PI;
1564         p->radio1=rd;
1565         p->angle1=ag;
1566 }
1567 void
1568 Svg_parser::setTg2(Vertice* p,float p1x,float p1y,float p2x,float p2y){
1569         float rd=0,ag=0;
1570         float d1x,d1y,d2x,d2y,dx,dy;
1571         d1x=p1x*60;
1572         d1y=p1y*60;
1573         d2x=p2x*60;
1574         d2y=p2y*60;
1575         dx=d2x-d1x;
1576         dy=d2y-d1y;
1577         dx=dx*3;
1578         dy=dy*3;
1579         dx=dx/60;
1580         dy=dy/60;
1581
1582         rd=sqrt(dx*dx + dy*dy);
1583         if(dx>0 && dy>0){
1584                 ag=PI + atan(dy/dx);
1585         //      printf("case 180-270\n");
1586         }else if(dx>0 && dy<0){
1587                 ag=PI + atan(dy/dx);
1588         //      printf("case 90-180\n");
1589         }else if(dx<0 && dy<0){
1590                 ag=atan(dy/dx);
1591         //      printf("case 0-90\n");
1592         }else if(dx<0 && dy>0){
1593                 ag= 2*PI+atan(dy/dx);
1594         //      printf("case 270-360\n");
1595         }else if(dx==0 && dy>0){
1596                 ag=-1*PI/2;
1597         }else if(dx==0 && dy<0){
1598                 ag=PI/2;
1599         }else if(dx==0 && dy==0){
1600                 ag=0;
1601         }else if(dx<0 && dy==0){
1602                 ag=0;
1603         }else if(dx>0 && dy==0){
1604                 ag=PI;
1605         }
1606         ag= (ag*180)/PI;
1607         ag=ag-180;
1608         p->radio2=rd;
1609         p->angle2=ag;
1610 }
1611
1612 void
1613 Svg_parser::setSplit(Vertice* p,bool val){
1614         if(p!=NULL){
1615                 p->split=val;
1616         }
1617 }
1618 int
1619 Svg_parser::isFirst(Vertice* nodo,float a, float b){
1620         if(nodo->x==a && nodo->y==b)
1621                 return 1;
1622         return 0;
1623 }
1624
1625 Vertice*
1626 Svg_parser::newVertice(float x,float y){
1627         Vertice* vert;
1628         vert=(Vertice*)malloc(sizeof(Vertice));
1629         vert->x=x;
1630         vert->y=y;
1631         vert->radio1=vert->radio2=vert->angle1=vert->angle2=0;
1632         return vert;
1633 }
1634
1635 int
1636 Svg_parser::extractSubAttribute(const String attribute, String name,String* value){
1637         int encounter=0;
1638         if(!attribute.empty()){
1639                 String str(attribute);
1640                 removeS(&str);
1641                 std::vector<String> tokens=tokenize(str,";");
1642                 std::vector<String>::iterator aux=tokens.begin();
1643                 while(aux!=tokens.end()){
1644                         int mid= (*aux).find_first_of(":");
1645                         if((*aux).substr(0,mid).compare(name)==0){
1646                                 int end=(*aux).size();
1647                                 *value=(*aux).substr(mid+1,end-mid);
1648                                 return 1;
1649                         }
1650                         aux++;
1651                 }
1652         }
1653         return encounter;
1654 }
1655 String
1656 Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String defaultVal){
1657         String value;
1658         int fnd=0;
1659         if(!path_style.empty())
1660                 fnd=extractSubAttribute(path_style,name,&value);
1661         if(fnd==0){
1662                 if(!master_style.empty())
1663                         fnd=extractSubAttribute(master_style,name,&value);
1664                 if(fnd==0)
1665                         value=defaultVal;
1666         }
1667         return value;
1668 }
1669 String
1670 Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String subattribute,const String defaultVal){
1671         String value;
1672         int fnd=0;
1673         if(!path_style.empty())
1674                 fnd=extractSubAttribute(path_style,name,&value);
1675         if(fnd==0 && !master_style.empty())
1676                         fnd=extractSubAttribute(master_style,name,&value);
1677         if(fnd==0){
1678                 if(!subattribute.empty())
1679                         value=subattribute;
1680                 else
1681                         value=defaultVal;
1682         }
1683         return value;
1684 }
1685
1686 int
1687 Svg_parser::randomLetter(){
1688         int a=rand()%2;
1689         if(a) return (49 + rand()%9);
1690         else return  (65 + rand()%24);
1691 }
1692
1693 int
1694 Svg_parser::getRed(String hex){
1695         if(hex.at(0)=='#'){
1696                 return hextodec(hex.substr(1,2));
1697         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1698                 int start=hex.find_first_of("(")+1;
1699                 int end =hex.find_last_of(")");
1700                 String aux=tokenize(hex.substr(start,end-start),",").at(0);
1701                 return atoi(aux.data());
1702         }
1703         return 0;
1704 }
1705 int
1706 Svg_parser::getGreen(String hex){
1707         if(hex.at(0)=='#'){
1708                 return hextodec(hex.substr(3,2));
1709         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1710                 int start=hex.find_first_of("(")+1;
1711                 int end =hex.find_last_of(")");
1712                 String aux=tokenize(hex.substr(start,end-start),",").at(1);
1713                 return atoi(aux.data());
1714         }
1715         return 0;
1716 }
1717 int
1718 Svg_parser::getBlue(String hex){
1719         if(hex.at(0)=='#'){
1720                 return hextodec(hex.substr(5,2));
1721         }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
1722                 int start=hex.find_first_of("(")+1;
1723                 int end =hex.find_last_of(")");
1724                 String aux=tokenize(hex.substr(start,end-start),",").at(2);
1725                 return atoi(aux.data());
1726         }
1727         return 0;
1728 }
1729 int
1730 Svg_parser::hextodec(String hex){
1731         int result=0;
1732         if(!hex.empty()){
1733                 int top=hex.size();
1734                 int ihex[top];
1735                 int i=0;
1736                 while(i<top){
1737                         if(hex.at(i)=='0')
1738                                 ihex[i]=0;
1739                         else if(hex.at(i)=='1')
1740                                 ihex[i]=1;
1741                         else if(hex.at(i)=='2')
1742                                 ihex[i]=2;
1743                         else if(hex.at(i)=='3')
1744                                 ihex[i]=3;
1745                         else if(hex.at(i)=='4')
1746                                 ihex[i]=4;
1747                         else if(hex.at(i)=='5')
1748                                 ihex[i]=5;
1749                         else if(hex.at(i)=='6')
1750                                 ihex[i]=6;
1751                         else if(hex.at(i)=='7')
1752                                 ihex[i]=7;
1753                         else if(hex.at(i)=='8')
1754                                 ihex[i]=8;
1755                         else if(hex.at(i)=='9')
1756                                 ihex[i]=9;
1757                         else if(hex.at(i)=='a')
1758                                 ihex[i]=10;
1759                         else if(hex.at(i)=='b')
1760                                 ihex[i]=11;
1761                         else if(hex.at(i)=='c')
1762                                 ihex[i]=12;
1763                         else if(hex.at(i)=='d')
1764                                 ihex[i]=13;
1765                         else if(hex.at(i)=='e')
1766                                 ihex[i]=14;
1767                         else if(hex.at(i)=='f')
1768                                 ihex[i]=15;
1769                         else
1770                                 return 0;
1771                         i++;
1772                 }
1773                 i=0;
1774                 while(i<top){
1775                         result+=pow(16,i)*ihex[top-i-1];
1776                         i++;
1777                 }
1778         }
1779         return result;
1780 }
1781
1782 float
1783 Svg_parser::getDimension(const String ac){
1784         if(ac.empty()){
1785                 return 0;
1786         }
1787         int length=ac.size();
1788         float af=0;
1789         if(isdigit(ac.at(length-1))){
1790                 af=atof(ac.data());
1791         }else if(ac.at(length-1)=='%'){
1792                         return 1024;
1793         }else{
1794                 String mtc=ac.substr(length-2,length);
1795                 String nmc=ac.substr(0,length-2);
1796                 if(mtc.compare("px")==0){
1797                         af=atof(nmc.data());
1798                 }else if(mtc.compare("pt")==0){
1799                         af=atof(nmc.data())*1.25;
1800                 }else if(mtc.compare("em")==0){
1801                         af=atof(nmc.data())*16;
1802                 }else if(mtc.compare("mm")==0){
1803                         af=atof(nmc.data())*3.54;
1804                 }else if(mtc.compare("pc")==0){
1805                         af=atof(nmc.data())*15;
1806                 }else if(mtc.compare("cm")==0){
1807                         af=atof(nmc.data())*35.43;
1808                 }else if(mtc.compare("in")==0){
1809                         af=atof(nmc.data())*90;
1810                 }else{
1811                         return 1024;
1812                 }
1813         }
1814         return af;
1815 }
1816 //matrix operations
1817 Matrix*
1818 Svg_parser::newMatrix(Matrix *a){
1819         Matrix* data;
1820         data=(Matrix*)malloc(sizeof(Matrix));
1821         data->a=a->a;           data->b=a->b;           data->c=a->c;
1822         data->d=a->d;           data->e=a->e;           data->f=a->f;
1823         return data;
1824 }
1825 Matrix*
1826 Svg_parser::newMatrix(float a,float b,float c,float d,float e,float f){
1827         Matrix* data;
1828         data=(Matrix*)malloc(sizeof(Matrix));
1829         data->a=a;              data->b=b;              data->c=c;
1830         data->d=d;              data->e=e;              data->f=f;
1831         return data;
1832 }
1833 Matrix*
1834 Svg_parser::newMatrix(const String mvector){
1835         if(!mvector.empty()){
1836                 Matrix* data=(Matrix*)malloc(sizeof(Matrix));
1837                 std::vector<String> tokens=tokenize(mvector,",");
1838                 if(tokens.size()!=6) return newMatrix(1,0,0,1,0,0);
1839                 data->a=atof(tokens.at(0).data());
1840                 data->b=atof(tokens.at(1).data());
1841                 data->c=atof(tokens.at(2).data());
1842                 data->d=atof(tokens.at(3).data());
1843                 data->e=atof(tokens.at(4).data());
1844                 data->f=atof(tokens.at(5).data());
1845                 return data;
1846         }else{
1847                 return newMatrix(1,0,0,1,0,0);
1848         }
1849 }
1850 void
1851 Svg_parser::transformPoint2D(Matrix *mtx,float *a,float *b){
1852         float auxa,auxb;
1853         auxa=0;
1854         auxb=0;
1855         auxa= (*a)*(mtx->a) + (*b)*(mtx->c) + (mtx->e);
1856         auxb= (*a)*(mtx->b) + (*b)*(mtx->d) + (mtx->f);
1857         *a=auxa;
1858         *b=auxb;
1859         return;
1860 }
1861 void
1862 Svg_parser::composeMatrix(Matrix **mtx,Matrix* mtx1,Matrix* mtx2){
1863         Matrix* aux=newMatrix(0,0,0,0,0,0);
1864         aux->a=(mtx1->a)*(mtx2->a)+(mtx1->c)*(mtx2->b);
1865         aux->b=(mtx1->b)*(mtx2->a)+(mtx1->d)*(mtx2->b);
1866         aux->c=(mtx1->a)*(mtx2->c)+(mtx1->c)*(mtx2->d);
1867         aux->d=(mtx1->b)*(mtx2->c)+(mtx1->d)*(mtx2->d);
1868         aux->e=(mtx1->a)*(mtx2->e)+(mtx1->c)*(mtx2->f)+(mtx1->e);
1869         aux->f=(mtx1->b)*(mtx2->e)+(mtx1->d)*(mtx2->f)+(mtx1->f);
1870         *mtx=aux;
1871 }
1872 void
1873 Svg_parser::multiplyMatrix(Matrix **mtx1,Matrix *mtx2){
1874         Matrix* aux=newMatrix(0,0,0,0,0,0);
1875         aux->a=((*mtx1)->a)*(mtx2->a)+((*mtx1)->c)*(mtx2->b);
1876         aux->b=((*mtx1)->b)*(mtx2->a)+((*mtx1)->d)*(mtx2->b);
1877         aux->c=((*mtx1)->a)*(mtx2->c)+((*mtx1)->c)*(mtx2->d);
1878         aux->d=((*mtx1)->b)*(mtx2->c)+((*mtx1)->d)*(mtx2->d);
1879         aux->e=((*mtx1)->a)*(mtx2->e)+((*mtx1)->c)*(mtx2->f)+((*mtx1)->e);
1880         aux->f=((*mtx1)->b)*(mtx2->e)+((*mtx1)->d)*(mtx2->f)+((*mtx1)->f);
1881         (*mtx1)->a=aux->a;
1882         (*mtx1)->b=aux->b;
1883         (*mtx1)->c=aux->c;
1884         (*mtx1)->d=aux->d;
1885         (*mtx1)->e=aux->e;
1886         (*mtx1)->f=aux->f;
1887 }
1888 bool
1889 Svg_parser::matrixIsNull(Matrix *mtx){
1890         if(mtx == NULL) return true;
1891         return false;
1892 }
1893
1894 float
1895 Svg_parser::getRadian(float sexa){
1896         return (sexa*2*PI)/360;
1897 }
1898 void
1899 Svg_parser::removeS(String *input){
1900         for(unsigned int i=0;i<input->size();i++){
1901                 if(input->at(i)==' '){
1902                         input->erase(i,1);
1903                 }
1904         }
1905 }
1906 void
1907 Svg_parser::removeIntoS(String *input){
1908         bool into=false;
1909         for(unsigned int i=0;i<input->size();i++){
1910                 if(input->at(i)=='('){
1911                         into=true;
1912                 }else if(input->at(i)==')'){
1913                         into=false;
1914                 }else if(into && input->at(i)==' '){
1915                         input->erase(i,1);
1916                 }
1917         }
1918 }
1919 std::vector<String>
1920 Svg_parser::tokenize(const String& str,const String& delimiters){
1921         std::vector<String> tokens;
1922         String::size_type lastPos = str.find_first_not_of(delimiters, 0);
1923         String::size_type pos = str.find_first_of(delimiters, lastPos);
1924         while (String::npos != pos || String::npos != lastPos){
1925                 tokens.push_back(str.substr(lastPos, pos - lastPos));
1926                 lastPos = str.find_first_not_of(delimiters, pos);
1927                 pos = str.find_first_of(delimiters, lastPos);
1928         }
1929         return tokens;
1930 }
1931 String
1932 Svg_parser::new_guid(){
1933         uid++;
1934         return GUID::hasher(uid).get_string();
1935 }
1936