Remove ancient trunk folder from svn repository
[synfig.git] / synfig-core / src / modules / mod_svg / svg_parser.cpp
diff --git a/synfig-core/src/modules/mod_svg/svg_parser.cpp b/synfig-core/src/modules/mod_svg/svg_parser.cpp
new file mode 100644 (file)
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--- /dev/null
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+/* === S Y N F I G ========================================================= */
+/*!    \file svg_parser.cpp
+**     \brief Implementation of the Svg parser
+**     \brief Based on SVG XML specification 1.1
+**     \brief See: http://www.w3.org/TR/xml11/ for deatils
+**
+**     $Id:$
+**
+**     \legal
+**     Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**     Copyright (c) 2008 Chris Moore
+**     Copyright (c) 2009 Carlos A. Sosa Navarro
+**
+**     This package is free software; you can redistribute it and/or
+**     modify it under the terms of the GNU General Public License as
+**     published by the Free Software Foundation; either version 2 of
+**     the License, or (at your option) any later version.
+**
+**     This package is distributed in the hope that it will be useful,
+**     but WITHOUT ANY WARRANTY; without even the implied warranty of
+**     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+**     General Public License for more details.
+**     \endlegal
+*/
+/* ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <iostream>
+#include "svg_parser.h"
+
+/* === U S I N G =========================================================== */
+
+using namespace synfig;
+
+/* === G L O B A L S ======================================================= */
+
+/* === P R O C E D U R E S ================================================= */
+
+Canvas::Handle
+synfig::open_svg(std::string _filepath,String &errors, String &warnings){
+       Canvas::Handle canvas;
+       Svg_parser parser;
+       try
+       {
+               canvas=parser.load_svg_canvas(_filepath,errors,warnings);
+               //canvas->set_id(parser.get_id());
+       }catch(...){
+               std::cout<<"error"<<std::endl;
+       }
+       return canvas;
+}
+
+Canvas::Handle
+Svg_parser::load_svg_canvas(std::string _filepath,String &errors, String &warnings){
+       filepath = _filepath;
+       #ifdef LIBXMLCPP_EXCEPTIONS_ENABLED
+       try{
+       #endif //LIBXMLCPP_EXCEPTIONS_ENABLED
+               //load parser
+               parser.set_substitute_entities();
+               parser.parse_file(filepath);
+               //set_id(filepath);
+               if(parser){
+                       const xmlpp::Node* pNode = parser.get_document()->get_root_node();
+                       parser_node(pNode);
+               }
+       #ifdef LIBXMLCPP_EXCEPTIONS_ENABLED
+       }catch(const std::exception& ex){
+       std::cout << "Exception caught: " << ex.what() << std::endl;
+       }
+       #endif //LIBXMLCPP_EXCEPTIONS_ENABLED
+       Canvas::Handle canvas;
+       if(nodeRoot){
+               //canvas=synfig::open_canvas(nodeRoot,_filepath,errors,warnings);
+               canvas=synfig::open_canvas(nodeRoot,errors,warnings);
+       }
+       return canvas;
+}
+
+Svg_parser::Svg_parser(){
+       uid=0;
+       kux=60;
+       set_canvas=0;//we must run parser_canvas method
+       // 0.5 in gamma parameter of color correct layer is 1/0.5 = 2 (thinking) it must be 2.2!!!!
+       gamma.set_gamma(2.2);
+}
+/*
+String
+Svg_parser::get_id(){
+       if(!id_name.empty()) return id_name;
+       return "id_arbitrario";
+}
+void
+Svg_parser::set_id(String source){
+       const char bad_chars[]=" :#@$^&()*";
+       int inicio=     source.find_last_of('/')+1;
+       int fin=        source.find_last_of('.');
+       String x=source.substr(inicio,fin-inicio);
+       if(!x.empty()){
+               for(unsigned int i=0;i<sizeof(bad_chars);i++){
+                       unsigned int pos=x.find_first_of(bad_chars[i]);
+                       if(pos!=String::npos)
+                               x.erase(pos,1);
+               }
+       }
+       if(!x.empty()){
+               id_name=x;
+       }else{
+               id_name="id_arbitrario";
+       }
+}
+*/
+//UPDATE
+
+void
+Svg_parser::parser_node(const xmlpp::Node* node){
+       const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
+       const xmlpp::TextNode* nodeText = dynamic_cast<const xmlpp::TextNode*>(node);
+       const xmlpp::CommentNode* nodeComment = dynamic_cast<const xmlpp::CommentNode*>(node);
+
+       if(nodeText && nodeText->is_white_space()) //Let's ignore the indenting - you don't always want to do this.
+       return;
+
+       Glib::ustring nodename = node->get_name();
+       if(!nodeText && !nodeComment && !nodename.empty()){
+               if(nodename.compare("svg")==0){
+                       parser_svg (node);
+               }else if(nodename.compare("namedview")==0){
+                       parser_canvas(node);
+               }else if(nodename.compare("defs")==0){
+                       parser_defs (node);
+               }else if(nodename.compare("g")==0){
+                       if(set_canvas==0) parser_canvas (node);
+                       parser_layer (node,nodeRoot->add_child("layer"),"",NULL);
+                       return;
+               }else if(nodename.compare("rect")==0){
+                       if(set_canvas==0) parser_canvas (node);
+                       parser_rect(node,nodeRoot,"",NULL);
+               }else if(nodename.compare("polygon")==0){
+                       if(set_canvas==0) parser_canvas (node);
+                       parser_polygon(node,nodeRoot,"",NULL);
+               }else if(nodename.compare("path")==0){
+                       if(set_canvas==0) parser_canvas (node);
+                       parser_path (node,nodeRoot,"",NULL);
+               }
+       }
+       if(!nodeContent){
+       xmlpp::Node::NodeList list = node->get_children();
+       for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
+               parser_node(*iter); //recursive
+       }
+       }
+}
+
+//parser elements
+void
+Svg_parser::parser_svg (const xmlpp::Node* node){
+       //printf("un dia en algun lugar de la tierra media\n");
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               width   =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("width")));
+               height  =etl::strprintf("%f",getDimension(nodeElement->get_attribute_value("height")));
+               docname=nodeElement->get_attribute_value("docname","");
+       }
+}
+void
+Svg_parser::parser_canvas (const xmlpp::Node* node){
+       //printf("el campo de batalla parecia un lienzo de pintura\n");
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               if(width.compare("")==0){
+                       width=nodeElement->get_attribute_value("width","");
+               }
+               if(height.compare("")==0){
+                       height=nodeElement->get_attribute_value("height","");
+               }
+               if(width.compare("")==0 && height.compare("")!=0){
+                       width=height;
+               }
+               if(width.compare("")!=0 && height.compare("")==0){
+                       height=width;
+               }
+               if(height.compare("")==0 && width.compare("")==0){
+                       width="1024";
+                       height="768";
+               }
+               //build
+               nodeRoot=document.create_root_node("canvas", "", "");
+               nodeRoot->set_attribute("version","0.5");
+               nodeRoot->set_attribute("width",width);
+               nodeRoot->set_attribute("height",height);
+               nodeRoot->set_attribute("xres","2834.645752");
+               nodeRoot->set_attribute("yres","2834.645752");
+               float view_x;
+               float view_y;
+               view_x=atof(width.c_str())/kux;
+               view_y=atof(height.c_str())/kux;
+               view_x=view_x/2.0;
+               view_y=view_y/2.0;
+               char attr_view_box[60];
+               sprintf(attr_view_box,"%f %f %f %f",-1.0*view_x,view_y,view_x,-1.0*view_y);
+               nodeRoot->set_attribute("view-box",attr_view_box);
+               ox=atof(width.c_str() )/2;
+               oy=atof(height.c_str())/2;
+               nodeRoot->set_attribute("antialias","1");
+               nodeRoot->set_attribute("fps","24.000");
+               nodeRoot->set_attribute("begin-time","0f");
+               nodeRoot->set_attribute("end-time","5s");
+               nodeRoot->set_attribute("bgcolor","0.500000 0.500000 0.500000 1.000000");
+               //nodeRoot->add_child("name")->set_child_text("Synfig Animation 1");
+               if(!id_name.empty()) nodeRoot->add_child("name")->set_child_text(id_name);
+               else nodeRoot->add_child("name")->set_child_text("Synfig Animation 1");
+       }
+       set_canvas=1;
+       AdjustPointUrl ();
+}
+
+void
+Svg_parser::parser_rect(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               Glib::ustring rect_id           =nodeElement->get_attribute_value("id");
+               Glib::ustring rect_style        =nodeElement->get_attribute_value("style");
+               Glib::ustring rect_x            =nodeElement->get_attribute_value("x");
+               Glib::ustring rect_y            =nodeElement->get_attribute_value("y");
+               Glib::ustring rect_width        =nodeElement->get_attribute_value("width");
+               Glib::ustring rect_height       =nodeElement->get_attribute_value("height");
+               //style
+               String fill                     =loadAttribute("fill",rect_style,parent_style,"none");
+               String fill_opacity =loadAttribute("fill-opacity",rect_style,parent_style,"1");
+               String opacity          =loadAttribute("opacity",rect_style,parent_style,"1");
+               //matrix
+               //it's some complicated
+
+               //build
+
+               int typeFill=0;
+               if(fill.compare(0,3,"url")==0){
+                       typeFill=2;
+                       root=nodeStartBasicLayer(root->add_child("layer"));
+               }
+               xmlpp::Element *child_rect=root->add_child("layer");
+               child_rect->set_attribute("type","rectangle");
+               child_rect->set_attribute("active","true");
+               child_rect->set_attribute("version","0.2");
+               child_rect->set_attribute("desc",rect_id);
+
+               build_real(child_rect->add_child("param"),"z_depth",0.0);
+               build_real(child_rect->add_child("param"),"amount",1.0);
+               build_integer(child_rect->add_child("param"),"blend_method",0);
+               build_color (child_rect->add_child("param"),getRed (fill),getGreen (fill),getBlue(fill),atof(opacity.data())*atof(fill_opacity.data()));
+
+               float auxx=atof(rect_x.c_str());
+               float auxy=atof(rect_y.c_str());
+               coor2vect(&auxx,&auxy);
+               build_vector (child_rect->add_child("param"),"point1",auxx,auxy);
+               auxx= atof(rect_x.c_str()) + atof(rect_width.c_str());
+               auxy= atof(rect_y.c_str()) + atof(rect_height.c_str());
+               coor2vect(&auxx,&auxy);
+               build_vector (child_rect->add_child("param"),"point2",auxx,auxy);
+               if(typeFill==2){
+                       build_url (root->add_child("layer"),fill,mtx_parent);
+               }
+       }
+}
+void
+Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               Glib::ustring label             =nodeElement->get_attribute_value("label");
+               Glib::ustring style             =nodeElement->get_attribute_value("style");
+               Glib::ustring fill              =nodeElement->get_attribute_value("fill");
+               Glib::ustring transform =nodeElement->get_attribute_value("transform");
+
+               String layer_style;
+               if(!style.empty()){
+                       layer_style=style;
+               }else if(!fill.empty()){
+                       layer_style.append("fill:");
+                       layer_style.append(fill);
+               }else if(!parent_style.empty()){
+                       layer_style=parent_style;
+               }
+               Matrix* mtx=NULL;
+               if(!transform.empty())
+                       mtx=build_transform (transform);
+               if(mtx_parent){
+                       if(mtx)
+                               composeMatrix(&mtx,mtx_parent,mtx);
+                       else
+                               mtx=newMatrix (mtx_parent);
+               }
+               //build
+               root->set_attribute("type","PasteCanvas");
+               root->set_attribute("active","true");
+               root->set_attribute("version","0.1");
+               if(!label.empty())      root->set_attribute("desc",label);
+               else            root->set_attribute("desc","unknow layer");
+
+               build_real(root->add_child("param"),"z_depth",0.0);
+               build_real(root->add_child("param"),"amount",1.0);
+               build_integer(root->add_child("param"),"blend_method",0);
+               build_vector (root->add_child("param"),"origin",0,0);
+
+               //printf(" atributos canvas ");
+               //canvas
+               xmlpp::Element *child_canvas=root->add_child("param");
+               child_canvas->set_attribute("name","canvas");
+               child_canvas=child_canvas->add_child("canvas");
+               const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
+               if(!nodeContent){
+               xmlpp::Node::NodeList list = node->get_children();
+               for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
+                               Glib::ustring name =(*iter)->get_name();
+                               if(name.compare("g")==0){
+                                       parser_layer (*iter,child_canvas->add_child("layer"),layer_style,mtx);
+                               }else if(name.compare("path")==0){
+                                       parser_path (*iter,child_canvas,layer_style,mtx);
+                               }else if(name.compare("polygon")==0){
+                                       parser_polygon (*iter,child_canvas,layer_style,mtx);
+                               }else if(name.compare("rect")==0){
+                                       parser_rect (*iter,child_canvas,layer_style,mtx);
+                               }
+               }
+               }
+       }
+}
+void
+Svg_parser::parser_polygon(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
+       //printf("sus escudos parecian rombos y sus naves unos triangulos\n");
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               //load sub-attributes
+               Glib::ustring polygon_style                     =nodeElement->get_attribute_value("style");
+               Glib::ustring polygon_id                        =nodeElement->get_attribute_value("id");
+               Glib::ustring polygon_points            =nodeElement->get_attribute_value("points");
+               Glib::ustring polygon_transform         =nodeElement->get_attribute_value("transform");
+               Glib::ustring polygon_fill                      =nodeElement->get_attribute_value("fill");
+               String fill                     =loadAttribute("fill",polygon_style,parent_style,polygon_fill,"none");
+               String fill_rule        =loadAttribute("fill-rule",polygon_style,parent_style,"evenodd");
+               String fill_opacity     =loadAttribute("fill-opacity",polygon_style,parent_style,"1");
+               String opacity          =loadAttribute("opacity",polygon_style,parent_style,"1");
+
+               //transforms
+               Matrix* mtx=NULL;
+               if(!polygon_transform.empty())
+                       mtx=build_transform (polygon_transform);
+               if(mtx_parent){
+                       if(mtx)
+                               composeMatrix(&mtx,mtx_parent,mtx);
+                       else
+                               mtx=newMatrix (mtx_parent);
+               }
+               //points
+               if(polygon_points.empty())
+                       return;
+               std::list<Vertice*> k;
+               std::vector<String> tokens=get_tokens_path (polygon_points);
+               unsigned int i;
+               float ax,ay; ax=ay=0;
+               for(i=0;i<tokens.size();i++){
+                       ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       k.push_back(nuevoVertice(ax,ay));
+               }
+               //escritura
+               xmlpp::Element *child_polygon;
+
+               //gradient
+               int typeFill=0;
+               if(fill.compare(0,3,"url")==0){
+                       typeFill=2;//gradient
+                       root=nodeStartBasicLayer(root->add_child("layer"));
+               }
+               child_polygon=root->add_child("layer");
+               child_polygon->set_attribute("type","polygon");
+               child_polygon->set_attribute("active","true");
+               child_polygon->set_attribute("version","0.1");
+               child_polygon->set_attribute("desc",polygon_id);
+               build_param (child_polygon->add_child("param"),"z_depth","real","0.0000000000");
+               build_param (child_polygon->add_child("param"),"amount","real","1.0000000000");
+               build_param (child_polygon->add_child("param"),"blend_method","integer","0");
+               build_color (child_polygon->add_child("param"),getRed(fill),getGreen(fill),getBlue(fill),atof(fill_opacity.data())*atof(opacity.data()));
+               build_vector(child_polygon->add_child("param"),"offset",0,0);
+               build_param (child_polygon->add_child("param"),"invert","bool","false");
+               build_param (child_polygon->add_child("param"),"antialias","bool","true");
+               build_param (child_polygon->add_child("param"),"feather","real","0.0000000000");
+               build_param (child_polygon->add_child("param"),"blurtype","integer","1");
+               if(fill_rule.compare("evenodd")==0) build_param (child_polygon->add_child("param"),"winding_style","integer","1");
+               else build_param (child_polygon->add_child("param"),"winding_style","integer","0");
+               build_points (child_polygon->add_child("param"),k);
+
+               if(typeFill==2){
+                       build_url(root->add_child("layer"),fill,mtx);
+               }
+       }
+}
+void
+Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
+       //printf("pensamos que atacarian de frente pero hicieron una curva\n");
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               //load sub-attributes
+               Glib::ustring path_style                =nodeElement->get_attribute_value("style");
+               Glib::ustring path_id                   =nodeElement->get_attribute_value("id");
+               Glib::ustring path_d                    =nodeElement->get_attribute_value("d");
+               Glib::ustring path_transform    =nodeElement->get_attribute_value("transform");
+               Glib::ustring path_fill                 =nodeElement->get_attribute_value("fill");
+
+               String fill                             =loadAttribute("fill",path_style,parent_style,path_fill,"none");
+               String fill_rule                =loadAttribute("fill-rule",path_style,parent_style,"evenodd");
+               String stroke                   =loadAttribute("stroke",path_style,parent_style,"none");
+               String stroke_width             =loadAttribute("stroke-width",path_style,parent_style,"1px");
+               String stroke_linecap   =loadAttribute("stroke-linecap",path_style,parent_style,"butt");
+               String stroke_linejoin  =loadAttribute("stroke-linejoin",path_style,parent_style,"miter");
+               String stroke_opacity   =loadAttribute("stroke-opacity",path_style,parent_style,"1");
+               String fill_opacity             =loadAttribute("fill-opacity",path_style,parent_style,"1");
+               String opacity                  =loadAttribute("opacity",path_style,parent_style,"1");
+
+               //resolve transformations
+               Matrix* mtx=NULL;
+               if(!path_transform.empty())
+                       mtx=build_transform (path_transform);
+               if(mtx_parent){
+                       if(mtx)
+                               composeMatrix(&mtx,mtx_parent,mtx);
+                       else
+                               mtx=newMatrix(mtx_parent);
+               }
+               //parser path_d attribute, this is obviously important
+               std::list<std::list<Vertice*> > k;
+               k=parser_path_d (path_d,mtx);
+
+               //escribir
+               int typeFill=0; //nothing
+               int typeStroke=0;//nothing
+               //Fill
+               if(fill.compare("none")!=0){
+                       typeFill=1; //simple
+               }
+               if(typeFill==1 && fill.compare(0,3,"url")==0){
+                       typeFill=2;     //gradient
+               }
+               //Stroke
+               if(stroke.compare("none")!=0){
+                       typeStroke=1; //simple
+               }
+               if(typeStroke==1 && stroke.compare(0,3,"url")==0){
+                       typeStroke=2;   //gradient
+               }
+               String bline_id;
+               String offset_id;
+               int n=k.size();
+               if(n!=1){ //if n is > than 1 then we must create a paste canvas for all paths
+                       root=nodeStartBasicLayer(root->add_child("layer"));
+               }
+               std::list<std::list<Vertice*> >::iterator aux = k.begin();
+               for (; aux!=k.end(); aux++){
+                       if(typeFill!=0 && typeStroke!=0){
+                               bline_id=new_guid();
+                               offset_id=new_guid();
+                       }
+                       if(typeFill==1 || typeFill==2){//region layer
+                               xmlpp::Element *child_fill=root;
+                               if(n==1 && typeFill==2){//open gradient or url (fill)
+                                       child_fill=nodeStartBasicLayer(root->add_child("layer"));
+                               }
+                               xmlpp::Element *child_region=child_fill->add_child("layer");
+                               child_region->set_attribute("type","region");
+                               child_region->set_attribute("active","true");
+                               child_region->set_attribute("version","0.1");
+                               child_region->set_attribute("desc",path_id);
+                               build_param (child_region->add_child("param"),"z_depth","real","0.0000000000");
+                               build_param (child_region->add_child("param"),"amount","real","1.0000000000");
+                               build_param (child_region->add_child("param"),"blend_method","integer","0");
+                               build_color (child_region->add_child("param"),getRed(fill),getGreen(fill),getBlue(fill),atof(fill_opacity.data())*atof(opacity.data()));
+                               if(offset_id.empty())   build_vector (child_region->add_child("param"),"offset",0,0);
+                               else    build_vector (child_region->add_child("param"),"offset",0,0,offset_id);
+                               build_param (child_region->add_child("param"),"invert","bool","false");
+                               build_param (child_region->add_child("param"),"antialias","bool","true");
+                               build_param (child_region->add_child("param"),"feather","real","0.0000000000");
+                               build_param (child_region->add_child("param"),"blurtype","integer","1");
+                               if(fill_rule.compare("evenodd")==0) build_param (child_region->add_child("param"),"winding_style","integer","1");
+                               else build_param (child_region->add_child("param"),"winding_style","integer","0");
+
+                               build_bline (child_region->add_child("param"),*aux,loop,bline_id);
+
+                               if(n==1 && typeFill==2){ //gradient in onto mode (fill)
+                                       build_url(child_fill->add_child("layer"),fill,mtx);
+                               }
+                       }
+
+                       if(typeStroke==1 || typeStroke==2){     //layer outline
+                               xmlpp::Element *child_stroke=root;
+                               if(n==1 && typeStroke==2){//open gradient in straigth onto (stroke)
+                                       child_stroke=nodeStartBasicLayer(root->add_child("layer"));
+                               }
+                               xmlpp::Element *child_outline=child_stroke->add_child("layer");
+                               child_outline->set_attribute("type","outline");
+                               child_outline->set_attribute("active","true");
+                               child_outline->set_attribute("version","0.2");
+                               child_outline->set_attribute("desc",path_id);
+                               build_param (child_outline->add_child("param"),"z_depth","real","0.0000000000");
+                               build_param (child_outline->add_child("param"),"amount","real","1.0000000000");
+                               build_param (child_outline->add_child("param"),"blend_method","integer","0");
+                               build_color (child_outline->add_child("param"),getRed(stroke),getGreen(stroke),getBlue(stroke),atof(stroke_opacity.data())*atof(opacity.data()));
+                               if(offset_id.empty()) build_vector (child_outline->add_child("param"),"offset",0,0);
+                               else build_vector (child_outline->add_child("param"),"offset",0,0,offset_id);
+                               build_param (child_outline->add_child("param"),"invert","bool","false");
+                               build_param (child_outline->add_child("param"),"antialias","bool","true");
+                               build_param (child_outline->add_child("param"),"feather","real","0.0000000000");
+                               build_param (child_outline->add_child("param"),"blurtype","integer","1");
+                               //outline in nonzero
+                               build_param (child_outline->add_child("param"),"winding_style","integer","0");
+
+                               build_bline (child_outline->add_child("param"),*aux,loop,bline_id);
+
+                               stroke_width=etl::strprintf("%f",getDimension(stroke_width)/kux);
+                               build_param (child_outline->add_child("param"),"width","real",stroke_width);
+                               build_param (child_outline->add_child("param"),"expand","real","0.0000000000");
+                               if(stroke_linejoin.compare("miter")==0) build_param (child_outline->add_child("param"),"sharp_cusps","bool","true");
+                               else build_param (child_outline->add_child("param"),"sharp_cusps","bool","false");
+                               if(stroke_linecap.compare("butt")==0){
+                                       build_param (child_outline->add_child("param"),"round_tip[0]","bool","false");
+                                       build_param (child_outline->add_child("param"),"round_tip[1]","bool","false");
+                               }else{
+                                       build_param (child_outline->add_child("param"),"round_tip[0]","bool","true");
+                                       build_param (child_outline->add_child("param"),"round_tip[1]","bool","true");
+                               }
+                               build_param (child_outline->add_child("param"),"loopyness","real","1.0000000000");
+                               build_param (child_outline->add_child("param"),"homogeneous_width","bool","true");
+
+                               if(n==1 && typeStroke==2){ //gradient in onto mode (stroke)
+                                       build_url(child_stroke->add_child("layer"),stroke,mtx);
+                               }
+                       }
+               }
+               if(n!=1){//only fill for several canvas in one path
+                       if(typeFill==2){
+                               build_url(root->add_child("layer"),fill,mtx);
+                       }
+               }
+       }
+}
+
+std::vector<String>
+Svg_parser::get_tokens_path(String path){ //mini path lexico-parser
+       std::vector<String> tokens;
+       String buffer;
+       int e=0;
+       unsigned int i=0;
+       char a;
+       while(i<path.size()){
+               a=path.at(i);
+               switch(e){
+                       case 0: //initial state
+                                       if(a=='m'){ e=1; i++;}
+                                       else if(a=='c'){ e= 2; i++;}
+                                       else if(a=='q'){ e= 3; i++;}
+                                       else if(a=='t'){ e= 4; i++;}
+                                       else if(a=='a'){ e= 5; i++;}
+                                       else if(a=='l'){ e= 6; i++;}
+                                       else if(a=='v'){ e= 7; i++;}
+                                       else if(a=='h'){ e= 8; i++;}
+                                       else if(a=='M'){ e= 9; i++;}
+                                       else if(a=='C'){ e=10; i++;}
+                                       else if(a=='Q'){ e=11; i++;}
+                                       else if(a=='T'){ e=12; i++;}
+                                       else if(a=='A'){ e=13; i++;}
+                                       else if(a=='L'){ e=14; i++;}
+                                       else if(a=='V'){ e=15; i++;}
+                                       else if(a=='H'){ e=16; i++;}
+                                       else if(a=='z' || a=='Z'){ e=17; i++;}
+                                       else if(a=='-' ||a=='.'|| isdigit (a)){ e=18;}
+                                       else if(a==','){ e=19; i++;}
+                                       else if(a==' '){i++;}
+                                       break;
+                       //relative
+                       case 1 : tokens.push_back("m"); e=0; break;//move
+                       case 2 : tokens.push_back("c"); e=0; break;//curve
+                       case 3 : tokens.push_back("q"); e=0; break;//quadratic
+                       case 4 : tokens.push_back("t"); e=0; break;//smooth quadratic
+                       case 5 : tokens.push_back("a"); e=0; break;//elliptic arc
+                       case 6 : tokens.push_back("l"); e=0; break;//line to
+                       case 7 : tokens.push_back("v"); e=0; break;//vertical
+                       case 8 : tokens.push_back("h"); e=0; break;//horizontal
+                       //absolute
+                       case 9 : tokens.push_back("M"); e=0; break;
+                       case 10: tokens.push_back("C"); e=0; break;
+                       case 11: tokens.push_back("Q"); e=0; break;
+                       case 12: tokens.push_back("T"); e=0; break;
+                       case 13: tokens.push_back("A"); e=0; break;
+                       case 14: tokens.push_back("L"); e=0; break;
+                       case 15: tokens.push_back("V"); e=0; break;
+                       case 16: tokens.push_back("H"); e=0; break;
+
+                       case 17: tokens.push_back("z"); e=0; break;//loop
+                       case 18: if(a=='-'||a=='.'|| isdigit (a)){
+                                               buffer.append(path.substr(i,1));i++;
+                                       }else{
+                                               e=20;
+                                       }
+                                       break;
+                       case 19: tokens.push_back(","); e=0; break;
+                       case 20: tokens.push_back(buffer);
+                                       buffer.clear();
+                                       e=0; break;
+                       default: break;
+               }
+       }
+       switch(e){//last element
+               case 1 : tokens.push_back("m"); break;
+               case 2 : tokens.push_back("c"); break;
+               case 3 : tokens.push_back("q"); break;
+               case 4 : tokens.push_back("t"); break;
+               case 5 : tokens.push_back("a"); break;
+               case 6 : tokens.push_back("l"); break;
+               case 7 : tokens.push_back("v"); break;
+               case 8 : tokens.push_back("h"); break;
+               case 9 : tokens.push_back("M"); break;
+               case 10: tokens.push_back("C"); break;
+               case 11: tokens.push_back("Q"); break;
+               case 12: tokens.push_back("T"); break;
+               case 13: tokens.push_back("A"); break;
+               case 14: tokens.push_back("L"); break;
+               case 15: tokens.push_back("V"); break;
+               case 16: tokens.push_back("H"); break;
+               case 17: tokens.push_back("z"); break;
+               case 18: tokens.push_back(buffer); break;
+               case 19: tokens.push_back(","); break;
+               case 20: tokens.push_back(buffer); break;
+               default: break;
+       }
+       return tokens;
+}
+
+std::list<std::list<Vertice*> >
+Svg_parser::parser_path_d(String path_d,Matrix* mtx){
+       std::list<std::list<Vertice*> > k;
+       std::list<Vertice*> k1;
+       float ax,ay,tgx,tgy,tgx2,tgy2;//each method
+       float actual_x=0,actual_y=0;//for relative methods;
+       loop=false;
+       unsigned int i;
+       std::vector<String> tokens=get_tokens_path(path_d);
+       for(i=0;i<tokens.size();i++){
+               if(tokens.at(i).compare("M")==0){//absolute move to
+                       if(!k1.empty())
+                               k.push_front(k1);
+                       k1.clear();
+                       //read
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       actual_x=ax;
+                       actual_y=ay;
+                       //operate and save
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       coor2vect(&ax,&ay);
+                       k1.push_back(nuevoVertice (ax,ay)); //first element
+                       setSplit(k1.back(),TRUE);
+               }else if(tokens.at(i).compare("C")==0){ //absolute curve
+                       //tg2
+                       i++; tgx2=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       tgy2=atof(tokens.at(i).data());
+                       //tg1
+                       i++; tgx=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       tgy=atof(tokens.at(i).data());
+                       //point
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx){
+                               transformPoint2D(mtx,&tgx2,&tgy2);
+                               transformPoint2D(mtx,&ax,&ay);
+                               transformPoint2D(mtx,&tgx,&tgy);
+                       }
+                       //ajust
+                       coor2vect(&tgx2,&tgy2);
+                       coor2vect(&ax,&ay);
+                       coor2vect(&tgx,&tgy);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
+                       }else{
+                               k1.push_back(nuevoVertice (ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+                               setSplit(k1.back(),TRUE);
+                       }
+               }else if(tokens.at(i).compare("Q")==0){ //absolute quadractic curve
+                       //tg1 and tg2
+                       i++; tgx=ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       tgy=ay=atof(tokens.at(i).data());
+                       //point
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx){
+                               transformPoint2D(mtx,&ax,&ay);
+                               transformPoint2D(mtx,&tgx,&tgy);
+                       }
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       coor2vect(&tgx,&tgy);
+                       //save
+                       setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+                       setSplit(k1.back(),FALSE);
+                       k1.push_back(nuevoVertice (ax,ay));
+                       setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+               }else if(tokens.at(i).compare("L")==0){ //absolute line to
+                       //point
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("l")==0){//relative line to
+                       //point read
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       //relative
+                       ax=actual_x+ax;
+                       ay=actual_y+ay;
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("H")==0){//absolute horizontal move
+                       //the same that L but only Horizontal movement
+                       //point
+                       i++; ax=atof(tokens.at(i).data());
+                       ay=actual_y;
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("h")==0){//horizontal relative
+                       i++; ax=atof(tokens.at(i).data());
+                       ax=actual_x+ax;
+                       ay=actual_y;
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("V")==0){//vertical absolute
+                       //point
+                       i++; ay=atof(tokens.at(i).data());
+                       ax=actual_x;
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("v")==0){//relative
+                       //point
+                       i++; ay=atof(tokens.at(i).data());
+                       ax=actual_x;
+                       ay=actual_y+ay;
+                       actual_x=ax;
+                       actual_y=ay;
+                       //mtx
+                       if(mtx) transformPoint2D(mtx,&ax,&ay);
+                       //adjust
+                       coor2vect(&ax,&ay);
+                       //save
+                       setTg2(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       if(isFirst(k1.front(),ax,ay)){
+                               setTg1(k1.front(),k1.front()->x,k1.front()->y,k1.front()->x,k1.front()->y);
+                       }else{
+                               k1.push_back(nuevoVertice(ax,ay));
+                               setTg1(k1.back(),k1.back()->x,k1.back()->y,k1.back()->x,k1.back()->y);
+                       }
+               }else if(tokens.at(i).compare("T")==0){// I don't know what does it
+               }else if(tokens.at(i).compare("A")==0){//elliptic arc
+
+                       //isn't complete support, is only for circles
+
+                       //this curve have 6 parameters
+                       //radio
+                       float radio_x,radio_y;
+                       float angle;
+                       bool sweep,large;
+                       //radio
+                       i++; radio_x=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       radio_y=atof(tokens.at(i).data());
+                       //angle
+                       i++; angle=atof(tokens.at(i).data());
+                       //flags
+                       i++; large=atoi(tokens.at(i).data());
+                       i++; sweep=atoi(tokens.at(i).data());
+                       //point
+                       i++; ax=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       ay=atof(tokens.at(i).data());
+                       //how to draw?
+                       if(!large && !sweep){
+                               //points
+                               tgx2 = actual_x + radio_x*0.5;
+                               tgy2 = actual_y ;
+                               tgx  = ax;
+                               tgy  = ay + radio_y*0.5;
+                               actual_x=ax;
+                               actual_y=ay;
+                               //transformations
+                               if(mtx){
+                                       transformPoint2D(mtx,&tgx2,&tgy2);
+                                       transformPoint2D(mtx,&ax,&ay);
+                                       transformPoint2D(mtx,&tgx,&tgy);
+                               }
+                               //adjust
+                               coor2vect(&tgx2,&tgy2);
+                               coor2vect(&ax,&ay);
+                               coor2vect(&tgx,&tgy);
+                               //save
+                               setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
+                               if(isFirst(k1.front(),ax,ay)){
+                                       setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
+                               }else{
+                                       k1.push_back(nuevoVertice (ax,ay));
+                                       setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+                                       setSplit(k1.back(),TRUE);
+                               }
+                       }else if(!large &&  sweep){
+                               //points
+                               tgx2 = actual_x;
+                               tgy2 = actual_y + radio_y*0.5;
+                               tgx  = ax + radio_x*0.5;
+                               tgy  = ay ;
+                               actual_x=ax;
+                               actual_y=ay;
+                               //transformations
+                               if(mtx){
+                                       transformPoint2D(mtx,&tgx2,&tgy2);
+                                       transformPoint2D(mtx,&ax,&ay);
+                                       transformPoint2D(mtx,&tgx,&tgy);
+                               }
+                               //adjust
+                               coor2vect(&tgx2,&tgy2);
+                               coor2vect(&ax,&ay);
+                               coor2vect(&tgx,&tgy);
+                               //save
+                               setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
+                               if(isFirst(k1.front(),ax,ay)){
+                                       setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
+                               }else{
+                                       k1.push_back(nuevoVertice (ax,ay));
+                                       setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+                                       setSplit(k1.back(),TRUE);
+                               }
+                       }else if( large && !sweep){//rare
+                               //this need more than one vertex
+                       }else if( large &&  sweep){//circles in inkscape are made with this kind of arc
+                               if(actual_y==ay){//circles
+                                       //intermediate point
+                                       int sense=1;
+                                       if(actual_x>ax) sense =-1;
+                                       float in_x,in_y,in_tgx1,in_tgy1,in_tgx2,in_tgy2;
+                                       in_x = (actual_x+ax)/2;
+                                       in_y = actual_y - sense*radio_y;
+                                       in_tgx1 = in_x - sense*(radio_x*0.5);
+                                       in_tgx2 = in_x + sense*(radio_x*0.5);
+                                       in_tgy1 = in_y;
+                                       in_tgy2 = in_y;
+                                       //start/end points
+                                       tgx2=actual_x;
+                                       tgy2=ay - sense*(radio_y*0.5);
+                                       tgx =ax;
+                                       tgy =ay - sense*(radio_y*0.5);
+
+                                       actual_x=ax;
+                                       actual_y=ay;
+                                       //transformations
+                                       if(mtx){
+                                               transformPoint2D(mtx,&tgx2,&tgy2);
+                                               transformPoint2D(mtx,&tgx ,&tgy );
+                                               transformPoint2D(mtx,&ax,&ay);
+
+                                               transformPoint2D(mtx,&in_tgx2,&in_tgy2);
+                                               transformPoint2D(mtx,&in_tgx1,&in_tgy1);
+                                               transformPoint2D(mtx,&in_x,&in_y);
+                                       }
+                                       //adjust
+                                       coor2vect(&tgx2 , &tgy2);
+                                       coor2vect(&ax   , &ay  );
+                                       coor2vect(&tgx  , &tgy );
+
+                                       coor2vect(&in_tgx2 , &in_tgy2);
+                                       coor2vect(&in_tgx1 , &in_tgy1);
+                                       coor2vect(&in_x    , &in_y   );
+
+                                       //save the last tg2
+                                       setTg2(k1.back(),k1.back()->x,k1.back()->y,tgx2,tgy2);
+                                       //save the intermediate point
+                                       k1.push_back(nuevoVertice (in_x,in_y));
+                                       setTg1(k1.back(),k1.back()->x,k1.back()->y, in_tgx1 , in_tgy1);
+                                       setTg2(k1.back(),k1.back()->x,k1.back()->y, in_tgx2 , in_tgy2);
+                                       setSplit(k1.back(),TRUE); //this could be changed
+                                       //save the new point
+                                       if(isFirst(k1.front(),ax,ay)){
+                                               setTg1(k1.front(),k1.front()->x,k1.front()->y,tgx,tgy);
+                                       }else{
+                                               k1.push_back(nuevoVertice (ax,ay));
+                                               setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
+                                               setSplit(k1.back(),TRUE);
+                                       }
+                               }
+                       }
+               }else if(tokens.at(i).compare("z")==0){
+                       loop=true;
+               }else{
+                       std::cout<<"don't supported: "<<tokens.at(i)<<std::endl;
+               }
+       }
+       if(!k1.empty())
+               k.push_front(k1); //last element
+       return k;
+}
+
+void
+Svg_parser::parser_defs(const xmlpp::Node* node){
+       const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
+       if(!nodeContent){
+               xmlpp::Node::NodeList list = node->get_children();
+               for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
+                       Glib::ustring name =(*iter)->get_name();
+                       if(name.compare("linearGradient")==0){
+                               parser_linearGradient(*iter);
+                       }else if(name.compare("radialGradient")==0){
+                               parser_radialGradient(*iter);
+                       }
+               }
+       }
+}
+void
+Svg_parser::AdjustPointUrl(){
+/*
+       if(!lg.empty()){//linealgradient
+               std::list<LinearGradient*>::iterator aux=lg.begin();
+               while(aux!=lg.end()){
+                       LinearGradient* auxlg=*aux;
+                       coor2vect (&auxlg->x1,&auxlg->y1);
+                       coor2vect (&auxlg->x2,&auxlg->y2);
+                       aux++;
+               }
+       }
+       if(!rg.empty()){//radialgradient
+               std::list<RadialGradient*>::iterator aux=rg.begin();
+               while(aux!=rg.end()){
+                       RadialGradient* auxrg=*aux;
+                       coor2vect (&auxrg->cx,&auxrg->cy);
+                       auxrg->r= auxrg->r/kux;
+                       aux++;
+               }
+       }
+*/
+}
+std::list<ColorStop*>*
+Svg_parser::find_colorStop(String name){
+       if(!name.empty()){
+               if(lg.empty()&& rg.empty())
+                       return NULL;
+
+               String buscar= name;
+               if(buscar.at(0)=='#') buscar.erase(0,1);
+               else return NULL;
+               std::list<LinearGradient*>::iterator aux=lg.begin();
+               while(aux!=lg.end()){//only find into linear gradients
+                       if(buscar.compare((*aux)->name)==0){
+                               return (*aux)->stops;
+                       }
+                       aux++;
+               }
+       }
+       return NULL;
+}
+void
+Svg_parser::build_url(xmlpp::Element* root, String name,Matrix *mtx){
+       if(!name.empty()){
+               if(lg.empty()&& rg.empty())
+                       root->get_parent()->remove_child(root);
+
+               int inicio=name.find_first_of("#")+1;
+               int fin=name.find_first_of(")");
+               String buscar= name.substr(inicio,fin-inicio);
+               bool encontro=false;
+               if(!lg.empty()){
+                       std::list<LinearGradient*>::iterator aux=lg.begin();
+                       while(aux!=lg.end()){
+                               if(buscar.compare((*aux)->name)==0){
+                                       build_linearGradient (root,*aux,mtx);
+                                       encontro=true;
+                               }
+                               aux++;
+                       }
+               }
+               if(!encontro && !rg.empty()){
+                       std::list<RadialGradient*>::iterator aux=rg.begin();
+                       while(aux!=rg.end()){
+                               if(buscar.compare((*aux)->name)==0){
+                                       build_radialGradient (root,*aux,mtx);
+                                       encontro=true;
+                               }
+                               aux++;
+                       }
+               }
+               if(!encontro)
+                       root->get_parent()->remove_child(root);
+       }else{
+               root->get_parent()->remove_child(root);
+       }
+}
+void
+Svg_parser::build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops){
+       std::list<ColorStop*>::iterator aux_stop=stops->begin();
+       while(aux_stop!=stops->end()){
+               xmlpp::Element *child=root->add_child("color");
+               child->set_attribute("pos",etl::strprintf("%f",(*aux_stop)->pos));
+               child->add_child("r")->set_child_text(etl::strprintf("%f",(*aux_stop)->r));
+               child->add_child("g")->set_child_text(etl::strprintf("%f",(*aux_stop)->g));
+               child->add_child("b")->set_child_text(etl::strprintf("%f",(*aux_stop)->b));
+               child->add_child("a")->set_child_text(etl::strprintf("%f",(*aux_stop)->a));
+               aux_stop++;
+       }
+}
+void
+Svg_parser::build_linearGradient(xmlpp::Element* root,LinearGradient* data,Matrix* mtx){
+       if(data){
+               root->set_attribute("type","linear_gradient");
+               root->set_attribute("active","true");
+               root->set_attribute("desc","Gradient004");
+               build_param (root->add_child("param"),"z_depth","real","0");
+               build_param (root->add_child("param"),"amount","real","1");
+               //straight onto
+               build_param (root->add_child("param"),"blend_method","integer","21");
+               float x1,y1,x2,y2;
+               x1=data->x1;
+               y1=data->y1;
+               x2=data->x2;
+               y2=data->y2;
+               if(mtx){
+                       transformPoint2D(mtx,&x1,&y1);
+                       transformPoint2D(mtx,&x2,&y2);
+               }
+               coor2vect (&x1,&y1);
+               coor2vect (&x2,&y2);
+
+               build_vector (root->add_child("param"),"p1",x1,y1);
+               build_vector (root->add_child("param"),"p2",x2,y2);
+               //gradient link
+               xmlpp::Element *child=root->add_child("param");
+               child->set_attribute("name","gradient");
+               build_stop_color (child->add_child("gradient"),data->stops);
+               build_param (root->add_child("param"),"loop","bool","false");
+               build_param (root->add_child("param"),"zigzag","bool","false");
+       }
+}
+void
+Svg_parser::build_radialGradient(xmlpp::Element* root,RadialGradient* data,Matrix* mtx){
+//not completed
+       if(data){
+               root->set_attribute("type","radial_gradient");
+               root->set_attribute("active","true");
+               build_param (root->add_child("param"),"z_depth","real","0");
+               build_param (root->add_child("param"),"amount","real","1");
+               //straight onto
+               build_param (root->add_child("param"),"blend_method","integer","21");
+               //gradient link
+               xmlpp::Element *child=root->add_child("param");
+               child->set_attribute("name","gradient");
+               build_stop_color (child->add_child("gradient"),data->stops);
+               //here the center point and radio
+               float cx=data->cx;
+               float cy=data->cy;
+               float r =data->r;
+               //transform
+               if(mtx){
+                       transformPoint2D(mtx,&cx,&cy);
+               }
+               //adjust
+               coor2vect (&cx,&cy);
+               r=r/kux;
+               build_vector (root->add_child("param"),"center",cx,cy);
+               build_param (root->add_child("param"),"radius","real",r);
+
+               build_param (root->add_child("param"),"loop","bool","false");
+               build_param (root->add_child("param"),"zigzag","bool","false");
+       }
+}
+
+void
+Svg_parser::parser_linearGradient(const xmlpp::Node* node){
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               Glib::ustring id        =nodeElement->get_attribute_value("id");
+               float x1                        =atof(nodeElement->get_attribute_value("x1").data());
+               float y1                        =atof(nodeElement->get_attribute_value("y1").data());
+               float x2                        =atof(nodeElement->get_attribute_value("x2").data());
+               float y2                        =atof(nodeElement->get_attribute_value("y2").data());
+               Glib::ustring link      =nodeElement->get_attribute_value("href");
+
+               std::list<ColorStop*> *stops;
+               if(!link.empty()){
+                       stops=find_colorStop (link);
+               }else{
+                       //color stops
+                       stops=new std::list<ColorStop*>();
+                       const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
+                       if(!nodeContent){
+                       xmlpp::Node::NodeList list = node->get_children();
+                       for(xmlpp::Node::NodeList::iterator iter = list.begin(); iter != list.end(); ++iter){
+                                       Glib::ustring name =(*iter)->get_name();
+                                       if(name.compare("stop")==0){
+                                               const xmlpp::Element* nodeIter = dynamic_cast<const xmlpp::Element*>(*iter);
+                                               Glib::ustring style     =nodeIter->get_attribute_value("style");
+                                               float offset=atof(nodeIter->get_attribute_value("offset").data());
+                                               String stop_color;
+                                               String opacity;
+                                               if(!style.empty()){
+                                                       extractSubAttribute (style,"stop-color",&stop_color);
+                                                       extractSubAttribute (style,"stop-opacity",&opacity);
+                                               }
+                                               if(opacity.empty()) opacity="1";
+                                               if(stop_color.empty()) stop_color="#000000";//black for default :S
+                                               stops->push_back(newColorStop(stop_color,atof(opacity.data()),offset));
+                                       }
+                       }
+                       }
+               }
+               if(stops)
+                       lg.push_back(newLinearGradient(id,x1,y1,x2,y2,stops));
+       }
+}
+
+void
+Svg_parser::parser_radialGradient(const xmlpp::Node* node){
+       if(const xmlpp::Element* nodeElement = dynamic_cast<const xmlpp::Element*>(node)){
+               Glib::ustring id        =nodeElement->get_attribute_value("id");
+               float cx                        =atof(nodeElement->get_attribute_value("cx").data());
+               float cy                        =atof(nodeElement->get_attribute_value("cy").data());
+               float r                         =atof(nodeElement->get_attribute_value("r").data());
+               Glib::ustring link      =nodeElement->get_attribute_value("href");//basic
+               std::list<ColorStop*> *stops=NULL;
+               if(!link.empty()){
+                       //inkscape always use link, i dont need parser stops here, but it's posible
+                       stops=find_colorStop (link);
+               }
+               if(stops)
+                       rg.push_back(newRadialGradient(id,cx,cy,r,stops));
+       }
+}
+
+ColorStop*
+Svg_parser::newColorStop(String color,float opacity,float pos){
+       ColorStop* _stop;
+       _stop=(ColorStop*)malloc(sizeof(ColorStop));
+       float r=getRed(color);
+       float g=getGreen(color);
+       float b=getBlue(color);
+       float a=opacity;
+       Color ret=adjustGamma(r/255,g/255,b/255,a);
+       _stop->r=ret.get_r();
+       _stop->g=ret.get_g();
+       _stop->b=ret.get_b();
+       _stop->a=ret.get_a();
+       _stop->pos=pos;
+       return _stop;
+}
+Color
+Svg_parser::adjustGamma(float r,float g,float b,float a){
+       Color ret(r,g,b,a);
+       if(gamma.get_gamma_r()!=1.0){
+               if(ret.get_r() < 0)
+                       ret.set_r(-gamma.r_F32_to_F32(-ret.get_r()));
+               else
+                       ret.set_r(gamma.r_F32_to_F32(ret.get_r()));
+       }
+       if(gamma.get_gamma_g()!=1.0){
+               if(ret.get_g() < 0)
+                       ret.set_g(-gamma.g_F32_to_F32(-ret.get_g()));
+               else
+                       ret.set_g(gamma.g_F32_to_F32(ret.get_g()));
+       }
+       if(gamma.get_gamma_b()!=1.0){
+               if(ret.get_b() < 0)
+                       ret.set_b(-gamma.b_F32_to_F32(-ret.get_b()));
+               else
+                       ret.set_b(gamma.b_F32_to_F32(ret.get_b()));
+       }
+       return ret;
+}
+
+LinearGradient*
+Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops){
+       LinearGradient* data;
+       data=(LinearGradient*)malloc(sizeof(LinearGradient));
+       sprintf(data->name,"%s",name.data());
+       data->x1=x1;
+       data->y1=y1;
+       data->x2=x2;
+       data->y2=y2;
+       data->stops=stops;
+       return data;
+}
+
+RadialGradient*
+Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops){
+       RadialGradient* data;
+       data=(RadialGradient*)malloc(sizeof(RadialGradient));
+       sprintf(data->name,"%s",name.data());
+       data->cx=cx;
+       data->cy=cy;
+       data->r=r;
+       data->stops=stops;
+       return data;
+}
+
+//builds
+void
+Svg_parser::build_gamma(xmlpp::Element* root,float gamma){
+       root->set_attribute("type","colorcorrect");
+       root->set_attribute("active","true");
+       root->set_attribute("version","0.1");
+       root->set_attribute("desc","Gamma");
+       build_real (root->add_child("param"),"gamma",gamma);
+}
+Matrix*
+Svg_parser::build_transform(const String transform){
+       Matrix* a=NULL;
+       String tf(transform);
+       removeIntoS(&tf);
+       std::vector<String> tokens=tokenize(tf," ");
+       std::vector<String>::iterator aux=tokens.begin();
+       while(aux!=tokens.end()){
+               if((*aux).compare(0,9,"translate")==0){
+                       float dx,dy;
+                       int inicio,fin;
+                       inicio  =(*aux).find_first_of("(")+1;
+                       fin             =(*aux).find_first_of(",");
+                       dx              =atof((*aux).substr(inicio,fin-inicio).data());
+                       inicio  =(*aux).find_first_of(",")+1;
+                       fin             =(*aux).size()-1;
+                       dy              =atof((*aux).substr(inicio,fin-inicio).data());
+                       if(matrixVacia(a))
+                               a=newMatrix(1,0,0,1,dx,dy);
+                       else
+                               multiplyMatrix(&a,newMatrix(1,0,0,1,dx,dy));
+               }else if((*aux).compare(0,5,"scale")==0){
+                       if(matrixVacia(a))
+                               a=newMatrix(1,0,0,1,0,0);
+               }else if((*aux).compare(0,6,"rotate")==0){
+                       float angle,seno,coseno;
+                       int inicio,fin;
+                       inicio  =(*aux).find_first_of("(")+1;
+                       fin             =(*aux).size()-1;
+                       angle=getRadian (atof((*aux).substr(inicio,fin-inicio).data()));
+                       seno   =sin(angle);
+                       coseno =cos(angle);
+                       if(matrixVacia(a))
+                               a=newMatrix(coseno,seno,-1*seno,coseno,0,0);
+                       else
+                               multiplyMatrix(&a,newMatrix(coseno,seno,-1*seno,coseno,0,0));
+               }else if((*aux).compare(0,6,"matrix")==0){
+                       int inicio      =(*aux).find_first_of('(')+1;
+                       int fin         =(*aux).find_first_of(')');
+                       if(matrixVacia(a))
+                               a=newMatrix((*aux).substr(inicio,fin-inicio));
+                       else
+                               multiplyMatrix(&a,newMatrix((*aux).substr(inicio,fin-inicio)));
+               }else{
+                       a=newMatrix(1,0,0,1,0,0);
+               }
+               aux++;
+       }
+       return a;
+}
+
+void
+Svg_parser::build_translate(xmlpp::Element* root,float dx,float dy){
+       root->set_attribute("type","translate");
+       root->set_attribute("active","true");
+       root->set_attribute("version","0.1");
+       build_vector (root->add_child("param"),"origin",dx,dy);
+}
+void
+Svg_parser::build_rotate(xmlpp::Element* root,float dx,float dy,float angle){
+       root->set_attribute("type","rotate");
+       root->set_attribute("active","true");
+       root->set_attribute("version","0.1");
+       build_vector (root->add_child("param"),"origin",dx,dy);
+       build_real   (root->add_child("param"),"amount",angle);
+}
+void
+Svg_parser::build_points(xmlpp::Element* root,std::list<Vertice*> p){
+       root->set_attribute("name","vector_list");
+       xmlpp::Element *child=root->add_child("dynamic_list");
+       child->set_attribute("type","vector");
+       std::list<Vertice*>::iterator aux = p.begin();
+       while(aux!=p.end()){
+               xmlpp::Element *child_entry=child->add_child("entry");
+               xmlpp::Element *child_vector=child_entry->add_child("vector");
+               child_vector->add_child("x")->set_child_text(etl::strprintf("%f",(*aux)->x));
+               child_vector->add_child("y")->set_child_text(etl::strprintf("%f",(*aux)->y));
+               aux++;
+       }
+}
+void
+Svg_parser::build_vertice(xmlpp::Element* root , Vertice *p){
+       xmlpp::Element *child_comp=root->add_child("composite");
+       child_comp->set_attribute("type","bline_point");
+       build_vector (child_comp->add_child("param"),"point",p->x,p->y);
+       build_param (child_comp->add_child("width"),"","real","1.0000000000");
+       build_param (child_comp->add_child("origin"),"","real","0.5000000000");
+       if(p->split) build_param (child_comp->add_child("split"),"","bool","true");
+       else build_param (child_comp->add_child("split"),"","bool","false");
+       //tangente 1
+       xmlpp::Element *child_t1=child_comp->add_child("t1");
+       xmlpp::Element *child_rc=child_t1->add_child("radial_composite");
+       child_rc->set_attribute("type","vector");
+       build_param (child_rc->add_child("radius"),"","real",p->radio1);
+       build_param (child_rc->add_child("theta"),"","angle",p->angle1);
+       //tangente 2
+       xmlpp::Element *child_t2=child_comp->add_child("t2");
+       xmlpp::Element *child_rc2=child_t2->add_child("radial_composite");
+       child_rc2->set_attribute("type","vector");
+       build_param (child_rc2->add_child("radius"),"","real",p->radio2);
+       build_param (child_rc2->add_child("theta"),"","angle",p->angle2);
+
+}
+void
+Svg_parser::build_bline(xmlpp::Element* root,std::list<Vertice*> p,bool loop,String blineguid){
+       root->set_attribute("name","bline");
+       xmlpp::Element *child=root->add_child("bline");
+       child->set_attribute("type","bline_point");
+       if(loop)
+               child->set_attribute("loop","true");
+       else
+               child->set_attribute("loop","false");
+       if(!blineguid.empty())  child->set_attribute("guid",blineguid);
+       std::list<Vertice*>::iterator aux = p.begin();
+       while(aux!=p.end()){
+               if(*aux) build_vertice (child->add_child("entry"),*aux);
+               aux++;
+       }
+}
+
+void
+Svg_parser::build_param(xmlpp::Element* root,String name,String type,String value){
+       if(!type.empty() && !value.empty()){
+               if(!name.empty())       root->set_attribute("name",name);
+               xmlpp::Element *child=root->add_child(type);
+               child->set_attribute("value",value);
+       }else{
+               root->get_parent()->remove_child(root);
+       }
+}
+void
+Svg_parser::build_param(xmlpp::Element* root,String name,String type,float value){
+       if(!type.empty()){
+               if(!name.empty()) root->set_attribute("name",name);
+               xmlpp::Element *child=root->add_child(type);
+               child->set_attribute("value",etl::strprintf ("%f",value));
+       }else{
+               root->get_parent()->remove_child(root);
+       }
+}
+void
+Svg_parser::build_param(xmlpp::Element* root,String name,String type,int value){
+       if(!type.empty()){
+                       if(!name.empty()) root->set_attribute("name",name);
+                       xmlpp::Element *child=root->add_child(type);
+                       char *enteroc=new char[10];
+                       sprintf(enteroc,"%d",value);
+                       child->set_attribute("value",enteroc);
+                       delete [] enteroc;
+       }else{
+               root->get_parent()->remove_child(root);
+       }
+}
+
+void
+Svg_parser::build_integer(xmlpp::Element* root,String name,int value){
+       if(name.compare("")!=0) root->set_attribute("name",name);
+       xmlpp::Element *child=root->add_child("integer");
+       char *enteroc=new char[10];
+       sprintf(enteroc,"%d",value);
+       child->set_attribute("value",enteroc);
+}
+void
+Svg_parser::build_real(xmlpp::Element* root,String name,float value){
+       if(name.compare("")!=0) root->set_attribute("name",name);
+       xmlpp::Element *child=root->add_child("real");
+       char *realc=new char[20];
+       sprintf(realc,"%f",value);
+       child->set_attribute("value",realc);
+}
+
+void
+Svg_parser::build_color(xmlpp::Element* root,float r,float g,float b,float a){
+       if(r>255 || g>255 || b>255 || a>1 || r<0 || g<0 || b<0 || a<0){
+               root->get_parent()->remove_child(root);
+               printf("Color aborted\n");
+               return;
+       }
+       Color ret=adjustGamma(r/255,g/255,b/255,a);
+
+       root->set_attribute("name","color");
+       xmlpp::Element *child=root->add_child("color");
+       child->add_child("r")->set_child_text(etl::strprintf("%f",ret.get_r()));
+       child->add_child("g")->set_child_text(etl::strprintf("%f",ret.get_g()));
+       child->add_child("b")->set_child_text(etl::strprintf("%f",ret.get_b()));
+       child->add_child("a")->set_child_text(etl::strprintf("%f",ret.get_a()));
+}
+void
+Svg_parser::build_vector(xmlpp::Element* root,String name,float x,float y){
+
+       if(name.compare("")!=0) root->set_attribute("name",name);
+       xmlpp::Element *child=root->add_child("vector");
+       child->add_child("x")->set_child_text(etl::strprintf("%f",x));
+       child->add_child("y")->set_child_text(etl::strprintf("%f",y));
+
+}
+void
+Svg_parser::build_vector (xmlpp::Element* root,String name,float x,float y,String guid){
+       if(name.compare("")!=0) root->set_attribute("name",name);
+       xmlpp::Element *child=root->add_child("vector");
+       if(!guid.empty()) child->set_attribute("guid",guid);
+       child->add_child("x")->set_child_text(etl::strprintf("%f",x));
+       child->add_child("y")->set_child_text(etl::strprintf("%f",y));
+}
+
+xmlpp::Element*
+Svg_parser::nodeStartBasicLayer(xmlpp::Element* root){
+       root->set_attribute("type","PasteCanvas");
+       root->set_attribute("active","true");
+       root->set_attribute("version","0.1");
+       root->set_attribute("desc","Composite");
+       build_param (root->add_child("param"),"z_depth","real","0");
+       build_param (root->add_child("param"),"amount","real","1");
+       build_param (root->add_child("param"),"blend_method","integer","0");
+       build_vector (root->add_child("param"),"origin",0,0);
+       xmlpp::Element *child=root->add_child("param");
+       child->set_attribute("name","canvas");
+       return child->add_child("canvas");
+}
+
+//metodos extras
+void
+Svg_parser::coor2vect(float *x,float *y){
+       float sx, sy;
+       sx=*x;
+       sy=*y;
+       sy= atof(height.c_str())-sy;
+       sx= sx - ox;
+       sy= sy - oy;
+       sx= sx / kux;
+       sy= sy / kux;
+       *x=sx; *y=sy;
+}
+
+void
+Svg_parser::setTg1(Vertice *p,float p1x,float p1y,float p2x,float p2y){
+       float rd=0,ag=0;
+       float d1x,d1y,d2x,d2y,dx,dy;
+       d1x=p1x*60;
+       d1y=p1y*60;
+       d2x=p2x*60;
+       d2y=p2y*60;
+       dx=d2x-d1x;
+       dy=d2y-d1y;
+       dx=dx*3;
+       dy=dy*3;
+       dx=dx/60;
+       dy=dy/60;
+       rd=sqrt(dx*dx + dy*dy);
+       if(dx>0 && dy>0){
+               ag=PI + atan(dy/dx);
+       }else if(dx>0 && dy<0){
+               ag=PI + atan(dy/dx);
+       }else if(dx<0 && dy<0){
+               ag=atan(dy/dx);
+       }else if(dx<0 && dy>0){
+               ag= 2*PI+atan(dy/dx);
+       }else if(dx==0 && dy>0){
+               ag=-1*PI/2;
+       }else if(dx==0 && dy<0){
+               ag=PI/2;
+       }else if(dx==0 && dy==0){
+               ag=0;
+       }else if(dx<0 && dy==0){
+               ag=0;
+       }else if(dx>0 && dy==0){
+               ag=PI;
+       }
+       ag= (ag*180)/PI;
+       p->radio1=rd;
+       p->angle1=ag;
+}
+void
+Svg_parser::setTg2(Vertice* p,float p1x,float p1y,float p2x,float p2y){
+       float rd=0,ag=0;
+       float d1x,d1y,d2x,d2y,dx,dy;
+       d1x=p1x*60;
+       d1y=p1y*60;
+       d2x=p2x*60;
+       d2y=p2y*60;
+       dx=d2x-d1x;
+       dy=d2y-d1y;
+       dx=dx*3;
+       dy=dy*3;
+       dx=dx/60;
+       dy=dy/60;
+
+       rd=sqrt(dx*dx + dy*dy);
+       if(dx>0 && dy>0){
+               ag=PI + atan(dy/dx);
+       //      printf("caso 180-270\n");
+       }else if(dx>0 && dy<0){
+               ag=PI + atan(dy/dx);
+       //      printf("caso 90-180\n");
+       }else if(dx<0 && dy<0){
+               ag=atan(dy/dx);
+       //      printf("caso 0-90\n");
+       }else if(dx<0 && dy>0){
+               ag= 2*PI+atan(dy/dx);
+       //      printf("caso 270-360\n");
+       }else if(dx==0 && dy>0){
+               ag=-1*PI/2;
+       }else if(dx==0 && dy<0){
+               ag=PI/2;
+       }else if(dx==0 && dy==0){
+               ag=0;
+       }else if(dx<0 && dy==0){
+               ag=0;
+       }else if(dx>0 && dy==0){
+               ag=PI;
+       }
+       ag= (ag*180)/PI;
+       ag=ag-180;
+       p->radio2=rd;
+       p->angle2=ag;
+}
+
+void
+Svg_parser::setSplit(Vertice* p,bool val){
+       if(p!=NULL){
+               p->split=val;
+       }
+}
+int
+Svg_parser::isFirst(Vertice* nodo,float a, float b){
+       if(nodo->x==a && nodo->y==b)
+               return 1;
+       return 0;
+}
+
+Vertice*
+Svg_parser::nuevoVertice(float x,float y){
+       Vertice* nuevo;
+       nuevo=(Vertice*)malloc(sizeof(Vertice));
+       nuevo->x=x;
+       nuevo->y=y;
+       nuevo->radio1=nuevo->radio2=nuevo->angle1=nuevo->angle2=0;
+       return nuevo;
+}
+
+int
+Svg_parser::extractSubAttribute(const String attribute, String name,String* value){
+       int encontro=0;
+       if(!attribute.empty()){
+               String str(attribute);
+               removeS(&str);
+               std::vector<String> tokens=tokenize(str,";");
+               std::vector<String>::iterator aux=tokens.begin();
+               while(aux!=tokens.end()){
+                       int medio= (*aux).find_first_of(":");
+                       if((*aux).substr(0,medio).compare(name)==0){
+                               int fin=(*aux).size();
+                               *value=(*aux).substr(medio+1,fin-medio);
+                               return 1;
+                       }
+                       aux++;
+               }
+       }
+       return encontro;
+}
+String
+Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String defaultVal){
+       String value;
+       int fnd=0;
+       if(!path_style.empty())
+               fnd=extractSubAttribute(path_style,name,&value);
+       if(fnd==0){
+               if(!master_style.empty())
+                       fnd=extractSubAttribute(master_style,name,&value);
+               if(fnd==0)
+                       value=defaultVal;
+       }
+       return value;
+}
+String
+Svg_parser::loadAttribute(String name,const String path_style,const String master_style,const String subattribute,const String defaultVal){
+       String value;
+       int fnd=0;
+       if(!path_style.empty())
+               fnd=extractSubAttribute(path_style,name,&value);
+       if(fnd==0 && !master_style.empty())
+                       fnd=extractSubAttribute(master_style,name,&value);
+       if(fnd==0){
+               if(!subattribute.empty())
+                       value=subattribute;
+               else
+                       value=defaultVal;
+       }
+       return value;
+}
+
+int
+Svg_parser::randomLetter(){
+       int a=rand()%2;
+       if(a) return (49 + rand()%9);
+       else return  (65 + rand()%24);
+}
+
+int
+Svg_parser::getRed(String hex){
+       if(hex.at(0)=='#'){
+               return hextodec(hex.substr(1,2));
+       }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
+               int inicio=hex.find_first_of("(")+1;
+               int fin =hex.find_last_of(")");
+               String aux=tokenize(hex.substr(inicio,fin-inicio),",").at(0);
+               return atoi(aux.data());
+       }
+       return 0;
+}
+int
+Svg_parser::getGreen(String hex){
+       if(hex.at(0)=='#'){
+               return hextodec(hex.substr(3,2));
+       }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
+               int inicio=hex.find_first_of("(")+1;
+               int fin =hex.find_last_of(")");
+               String aux=tokenize(hex.substr(inicio,fin-inicio),",").at(1);
+               return atoi(aux.data());
+       }
+       return 0;
+}
+int
+Svg_parser::getBlue(String hex){
+       if(hex.at(0)=='#'){
+               return hextodec(hex.substr(5,2));
+       }else if(hex.compare(0,3,"rgb")==0 || hex.compare(0,3,"RGB")==0){
+               int inicio=hex.find_first_of("(")+1;
+               int fin =hex.find_last_of(")");
+               String aux=tokenize(hex.substr(inicio,fin-inicio),",").at(2);
+               return atoi(aux.data());
+       }
+       return 0;
+}
+int
+Svg_parser::hextodec(String hex){
+       int result=0;
+       if(!hex.empty()){
+               int top=hex.size();
+               int ihex[top];
+               int i=0;
+               while(i<top){
+                       if(hex.at(i)=='0')
+                               ihex[i]=0;
+                       else if(hex.at(i)=='1')
+                               ihex[i]=1;
+                       else if(hex.at(i)=='2')
+                               ihex[i]=2;
+                       else if(hex.at(i)=='3')
+                               ihex[i]=3;
+                       else if(hex.at(i)=='4')
+                               ihex[i]=4;
+                       else if(hex.at(i)=='5')
+                               ihex[i]=5;
+                       else if(hex.at(i)=='6')
+                               ihex[i]=6;
+                       else if(hex.at(i)=='7')
+                               ihex[i]=7;
+                       else if(hex.at(i)=='8')
+                               ihex[i]=8;
+                       else if(hex.at(i)=='9')
+                               ihex[i]=9;
+                       else if(hex.at(i)=='a')
+                               ihex[i]=10;
+                       else if(hex.at(i)=='b')
+                               ihex[i]=11;
+                       else if(hex.at(i)=='c')
+                               ihex[i]=12;
+                       else if(hex.at(i)=='d')
+                               ihex[i]=13;
+                       else if(hex.at(i)=='e')
+                               ihex[i]=14;
+                       else if(hex.at(i)=='f')
+                               ihex[i]=15;
+                       else
+                               return 0;
+                       i++;
+               }
+               i=0;
+               while(i<top){
+                       result+=pow(16,i)*ihex[top-i-1];
+                       i++;
+               }
+       }
+       return result;
+}
+
+float
+Svg_parser::getDimension(const String ac){
+       if(ac.empty()){
+               return 0;
+       }
+       int length=ac.size();
+       float af=0;
+       if(isdigit(ac.at(length-1))){
+               af=atof(ac.data());
+       }else if(ac.at(length-1)=='%'){
+                       return 1024;
+       }else{
+               String mtc=ac.substr(length-2,length);
+               String nmc=ac.substr(0,length-2);
+               if(mtc.compare("px")==0){
+                       af=atof(nmc.data());
+               }else if(mtc.compare("pt")==0){
+                       af=atof(nmc.data())*1.25;
+               }else if(mtc.compare("em")==0){
+                       af=atof(nmc.data())*16;
+               }else if(mtc.compare("mm")==0){
+                       af=atof(nmc.data())*3.54;
+               }else if(mtc.compare("pc")==0){
+                       af=atof(nmc.data())*15;
+               }else if(mtc.compare("cm")==0){
+                       af=atof(nmc.data())*35.43;
+               }else if(mtc.compare("in")==0){
+                       af=atof(nmc.data())*90;
+               }else{
+                       return 1024;
+               }
+       }
+       return af;
+}
+//matrix operations
+Matrix*
+Svg_parser::newMatrix(Matrix *a){
+       Matrix* data;
+       data=(Matrix*)malloc(sizeof(Matrix));
+       data->a=a->a;           data->b=a->b;           data->c=a->c;
+       data->d=a->d;           data->e=a->e;           data->f=a->f;
+       return data;
+}
+Matrix*
+Svg_parser::newMatrix(float a,float b,float c,float d,float e,float f){
+       Matrix* data;
+       data=(Matrix*)malloc(sizeof(Matrix));
+       data->a=a;              data->b=b;              data->c=c;
+       data->d=d;              data->e=e;              data->f=f;
+       return data;
+}
+Matrix*
+Svg_parser::newMatrix(const String mvector){
+       if(!mvector.empty()){
+               Matrix* data=(Matrix*)malloc(sizeof(Matrix));
+               std::vector<String> tokens=tokenize(mvector,",");
+               if(tokens.size()!=6) return newMatrix(1,0,0,1,0,0);
+               data->a=atof(tokens.at(0).data());
+               data->b=atof(tokens.at(1).data());
+               data->c=atof(tokens.at(2).data());
+               data->d=atof(tokens.at(3).data());
+               data->e=atof(tokens.at(4).data());
+               data->f=atof(tokens.at(5).data());
+               return data;
+       }else{
+               return newMatrix(1,0,0,1,0,0);
+       }
+}
+void
+Svg_parser::transformPoint2D(Matrix *mtx,float *a,float *b){
+       float auxa,auxb;
+       auxa=0;
+       auxb=0;
+       auxa= (*a)*(mtx->a) + (*b)*(mtx->c) + (mtx->e);
+       auxb= (*a)*(mtx->b) + (*b)*(mtx->d) + (mtx->f);
+       *a=auxa;
+       *b=auxb;
+       return;
+}
+void
+Svg_parser::composeMatrix(Matrix **mtx,Matrix* mtx1,Matrix* mtx2){
+       Matrix* aux=newMatrix(0,0,0,0,0,0);
+       aux->a=(mtx1->a)*(mtx2->a)+(mtx1->c)*(mtx2->b);
+       aux->b=(mtx1->b)*(mtx2->a)+(mtx1->d)*(mtx2->b);
+       aux->c=(mtx1->a)*(mtx2->c)+(mtx1->c)*(mtx2->d);
+       aux->d=(mtx1->b)*(mtx2->c)+(mtx1->d)*(mtx2->d);
+       aux->e=(mtx1->a)*(mtx2->e)+(mtx1->c)*(mtx2->f)+(mtx1->e);
+       aux->f=(mtx1->b)*(mtx2->e)+(mtx1->d)*(mtx2->f)+(mtx1->f);
+       *mtx=aux;
+}
+void
+Svg_parser::multiplyMatrix(Matrix **mtx1,Matrix *mtx2){
+       Matrix* aux=newMatrix(0,0,0,0,0,0);
+       aux->a=((*mtx1)->a)*(mtx2->a)+((*mtx1)->c)*(mtx2->b);
+       aux->b=((*mtx1)->b)*(mtx2->a)+((*mtx1)->d)*(mtx2->b);
+       aux->c=((*mtx1)->a)*(mtx2->c)+((*mtx1)->c)*(mtx2->d);
+       aux->d=((*mtx1)->b)*(mtx2->c)+((*mtx1)->d)*(mtx2->d);
+       aux->e=((*mtx1)->a)*(mtx2->e)+((*mtx1)->c)*(mtx2->f)+((*mtx1)->e);
+       aux->f=((*mtx1)->b)*(mtx2->e)+((*mtx1)->d)*(mtx2->f)+((*mtx1)->f);
+       (*mtx1)->a=aux->a;
+       (*mtx1)->b=aux->b;
+       (*mtx1)->c=aux->c;
+       (*mtx1)->d=aux->d;
+       (*mtx1)->e=aux->e;
+       (*mtx1)->f=aux->f;
+}
+bool
+Svg_parser::matrixVacia(Matrix *mtx){
+       if(mtx == NULL) return true;
+       return false;
+}
+
+float
+Svg_parser::getRadian(float sexa){
+       return (sexa*2*PI)/360;
+}
+void
+Svg_parser::removeS(String *input){
+       for(unsigned int i=0;i<input->size();i++){
+               if(input->at(i)==' '){
+                       input->erase(i,1);
+               }
+       }
+}
+void
+Svg_parser::removeIntoS(String *input){
+       bool into=false;
+       for(unsigned int i=0;i<input->size();i++){
+               if(input->at(i)=='('){
+                       into=true;
+               }else if(input->at(i)==')'){
+                       into=false;
+               }else if(into && input->at(i)==' '){
+                       input->erase(i,1);
+               }
+       }
+}
+std::vector<String>
+Svg_parser::tokenize(const String& str,const String& delimiters){
+       std::vector<String> tokens;
+       String::size_type lastPos = str.find_first_not_of(delimiters, 0);
+       String::size_type pos = str.find_first_of(delimiters, lastPos);
+       while (String::npos != pos || String::npos != lastPos){
+               tokens.push_back(str.substr(lastPos, pos - lastPos));
+               lastPos = str.find_first_not_of(delimiters, pos);
+               pos = str.find_first_of(delimiters, lastPos);
+       }
+       return tokens;
+}
+String
+Svg_parser::new_guid(){
+       uid++;
+       return GUID::hasher(uid).get_string();
+}
+