Filter out unparsable layers
[synfig.git] / synfig-core / src / modules / mod_svg / svg_parser.cpp
index 11ad5c8..d062ab5 100644 (file)
@@ -134,19 +134,10 @@ Svg_parser::parser_node(const xmlpp::Node* node){
                        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){
+               }else{
                        if(set_canvas==0) parser_canvas (node);
-                       parser_path (node,nodeRoot,"",NULL);
+                       parser_graphics(node,nodeRoot,"",NULL);
+                       if(nodename.compare("g")==0) return;
                }
        }
        if(!nodeContent){
@@ -214,222 +205,56 @@ Svg_parser::parser_canvas (const xmlpp::Node* node){
        set_canvas=1;
        AdjustPointUrl ();
 }
+//Toplevel parser
 
-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
+//parser preferences
+//Seperate transformations: apply transformations on a per-layer basis, rather than on canvases
+//Resolve BLine transformations: resolve transformations instead of creating transformation layers
+#define SVG_SEP_TRANSFORMS 1
+#define SVG_RESOLVE_BLINE 1
 
-               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){
+Svg_parser::parser_graphics(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 nodename = node->get_name();
+               if (nodename.compare("g")==0 || nodename.compare("path")==0 || nodename.compare("polygon")==0 || nodename.compare("rect")==0){} else return;
+
+               //load sub-attributes
+               Glib::ustring id                        =nodeElement->get_attribute_value("id");
                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;
-               }
+               //resolve transformations
                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(" canvas attributes ");
-               //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){
-       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);
+               if (SVG_SEP_TRANSFORMS)
+               {
+                       if(mtx_parent){
+                               if(mtx)
+                                       composeMatrix(&mtx,mtx_parent,mtx);
+                               else
+                                       mtx=newMatrix(mtx_parent);
+                       }
                }
-               //points
-               if(polygon_points.empty())
+               if(nodename.compare("g")==0){
+                       parser_layer (node,root->add_child("layer"),parent_style,mtx);
                        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(newVertice(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){
-       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");
+               Glib::ustring obj_style =nodeElement->get_attribute_value("style");
+               Glib::ustring obj_fill                  =nodeElement->get_attribute_value("fill");
+
+               //style
+               String fill                         =loadAttribute("fill",obj_style,parent_style,obj_fill,"none");
+               String fill_rule                =loadAttribute("fill-rule",obj_style,parent_style,"evenodd");
+               String stroke                   =loadAttribute("stroke",obj_style,parent_style,"none");
+               String stroke_width             =loadAttribute("stroke-width",obj_style,parent_style,"1px");
+               String stroke_linecap   =loadAttribute("stroke-linecap",obj_style,parent_style,"butt");
+               String stroke_linejoin  =loadAttribute("stroke-linejoin",obj_style,parent_style,"miter");
+               String stroke_opacity   =loadAttribute("stroke-opacity",obj_style,parent_style,"1");
+               String fill_opacity             =loadAttribute("fill-opacity",obj_style,parent_style,"1");
+               String opacity                  =loadAttribute("opacity",obj_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);
 
                //Fill
                int typeFill=0; //nothing
@@ -449,34 +274,68 @@ Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String pare
                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"));
+               
+               xmlpp::Element* child_layer = nodeStartBasicLayer(root->add_child("layer"));
+               xmlpp::Element* child_fill = child_layer;
+               xmlpp::Element* child_stroke = child_layer;
+               if(typeFill==2){
+                       child_fill=nodeStartBasicLayer(child_fill->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(typeStroke==2){
+                       child_stroke=nodeStartBasicLayer(child_stroke->add_child("layer"));
+               }
+
+               //make simple fills
+               if(nodename.compare("rect")==0 && typeFill!=0){
+                       rect_simple(nodeElement,child_fill,fill,fill_opacity,opacity);
+                       if(typeFill==2){
+                               build_url (child_fill->add_child("layer"),fill,NULL);
                        }
-                       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"));
-                               }
+                       parser_effects(nodeElement,child_layer,parent_style,mtx);
+                       return;
+               }
+
+
+               //=======================================================================
+               std::list<std::list<Vertice*> > k;
+               //if we are creating a bline
+
+               //First, create the list of vertices
+               if (SVG_RESOLVE_BLINE) {
+                       if(nodename.compare("path")==0){
+                               k=parser_path_d (nodeElement->get_attribute_value("d"),mtx);
+                       } else if(nodename.compare("polygon")==0){
+                               k=parser_polygon_path (nodeElement->get_attribute_value("points"),mtx);
+                       }
+               } else {
+                       if(nodename.compare("path")==0){
+                               k=parser_path_d (nodeElement->get_attribute_value("d"),NULL);
+                       } else if(nodename.compare("polygon")==0){
+                               k=parser_polygon_path (nodeElement->get_attribute_value("points"),NULL);
+                       }
+               }
+               
+               int n = k.size();
+               String bline_id[n];
+               String offset_id[n];
+               for (int i=0;i<n;i++){
+                       bline_id[i]=new_guid();
+                       offset_id[i]=new_guid();
+               }
+
+               std::list<std::list<Vertice*> >::iterator aux = k.begin();
+               if(typeFill!=0){//region layer
+                       for (int i=0; aux!=k.end(); aux++){
                                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);
+                               child_region->set_attribute("desc",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_vector (child_region->add_child("param"),"offset",0,0,offset_id[i]);
                                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");
@@ -484,29 +343,30 @@ Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String pare
                                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);
-                               }
+                               build_bline (child_region->add_child("param"),*aux,loop,bline_id[i]);
+                               i++;
                        }
+               }
+               if(typeFill==2){ //gradient in onto mode (fill)
+                       if (SVG_RESOLVE_BLINE)
+                               build_url(child_fill->add_child("layer"),fill,mtx);
+                       else
+                               build_url(child_fill->add_child("layer"),fill,NULL);
+               }
 
-                       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"));
-                               }
+               if(typeStroke!=0){//outline layer
+                       int i=0;
+                       for (aux=k.begin(); aux!=k.end(); aux++){
                                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);
+                               child_outline->set_attribute("desc",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_vector (child_outline->add_child("param"),"offset",0,0,offset_id[i]);
                                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");
@@ -514,7 +374,7 @@ Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String pare
                                //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);
+                               build_bline (child_outline->add_child("param"),*aux,loop,bline_id[i]);
 
                                stroke_width=etl::strprintf("%f",getDimension(stroke_width)/kux);
                                build_param (child_outline->add_child("param"),"width","real",stroke_width);
@@ -531,19 +391,125 @@ Svg_parser::parser_path(const xmlpp::Node* node,xmlpp::Element* root,String pare
                                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);
-                               }
+
+                               i++;
                        }
-               }
-               if(n!=1){//only fill for several canvas in one path
-                       if(typeFill==2){
-                               build_url(root->add_child("layer"),fill,mtx);
+
+                       if(typeStroke==2){ //gradient in onto mode (stroke)
+                       if (SVG_RESOLVE_BLINE)
+                               build_url(child_stroke->add_child("layer"),fill,mtx);
+                       else
+                               build_url(child_stroke->add_child("layer"),fill,NULL);
                        }
+                       if (SVG_RESOLVE_BLINE)
+                               parser_effects(nodeElement,child_layer,parent_style,NULL);
+                       else
+                               parser_effects(nodeElement,child_layer,parent_style,mtx);
+               
                }
        }
 }
 
+void
+Svg_parser::rect_simple(const xmlpp::Element* nodeElement,xmlpp::Element* root,String fill, String fill_opacity, String opacity){
+       Glib::ustring rect_id           =nodeElement->get_attribute_value("id");
+       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");
+
+       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);
+
+
+}
+
+void
+Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx){
+       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");
+
+               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;
+               }
+               //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","Inline Canvas");
+
+               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(" canvas attributes ");
+               //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();
+                               parser_graphics (*iter,child_canvas,layer_style,mtx);
+               }
+               }
+               if (! SVG_SEP_TRANSFORMS) parser_effects(nodeElement,child_canvas,parent_style,mtx);
+       }
+}
+
+std::list<std::list<Vertice*> >
+Svg_parser::parser_polygon_path(Glib::ustring polygon_points, Matrix* mtx){
+       std::list<std::list<Vertice*> > k0;
+       if(polygon_points.empty())
+               return k0;
+       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(newVertice(ax,ay));
+       }
+       k0.push_front(k);
+       return k0;
+}
+
 std::vector<String>
 Svg_parser::get_tokens_path(String path){ //mini path lexico-parser
        std::vector<String> tokens;
@@ -981,6 +947,45 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
 }
 
 void
+Svg_parser::parser_effects(const xmlpp::Element* nodeElement,xmlpp::Element* root,String parent_style,Matrix* mtx){
+       if (mtx) {
+               xmlpp::Element *child_transform=root->add_child("layer");
+               child_transform->set_attribute("type","warp");
+               child_transform->set_attribute("active","true");
+               child_transform->set_attribute("version","0.1");
+               child_transform->set_attribute("desc","Transform");
+
+               float x,y;
+               x=100;y=100;coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"src_tl",x,y);
+
+               x=200;y=200;coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"src_br",x,y);
+               
+
+               x=100;y=100;
+               transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"dest_tl",x,y);
+
+               x=200;y=100;
+               transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"dest_tr",x,y);
+
+               x=200;y=200;
+               transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"dest_br",x,y);
+
+               x=100;y=200;
+               transformPoint2D(mtx,&x,&y);coor2vect(&x,&y);
+               build_vector (child_transform->add_child("param"),"dest_bl",x,y);
+
+               build_param (child_transform->add_child("param"),"clip","bool","false");
+               build_param (child_transform->add_child("param"),"horizon","real","4.0");
+       }
+}
+
+
+void
 Svg_parser::parser_defs(const xmlpp::Node* node){
        const xmlpp::ContentNode* nodeContent = dynamic_cast<const xmlpp::ContentNode*>(node);
        if(!nodeContent){
@@ -995,6 +1000,7 @@ Svg_parser::parser_defs(const xmlpp::Node* node){
                }
        }
 }
+
 void
 Svg_parser::AdjustPointUrl(){
 /*