Gradient support
[synfig.git] / synfig-core / src / modules / mod_svg / svg_parser.cpp
index d062ab5..226f57e 100644 (file)
@@ -289,7 +289,7 @@ Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String
                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);
+                               build_url (child_fill,fill,NULL);
                        }
                        parser_effects(nodeElement,child_layer,parent_style,mtx);
                        return;
@@ -349,9 +349,9 @@ Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String
                }
                if(typeFill==2){ //gradient in onto mode (fill)
                        if (SVG_RESOLVE_BLINE)
-                               build_url(child_fill->add_child("layer"),fill,mtx);
+                               build_url(child_fill,fill,mtx);
                        else
-                               build_url(child_fill->add_child("layer"),fill,NULL);
+                               build_url(child_fill,fill,NULL);
                }
 
                if(typeStroke!=0){//outline layer
@@ -397,9 +397,9 @@ Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String
 
                        if(typeStroke==2){ //gradient in onto mode (stroke)
                        if (SVG_RESOLVE_BLINE)
-                               build_url(child_stroke->add_child("layer"),fill,mtx);
+                               build_url(child_stroke,fill,mtx);
                        else
-                               build_url(child_stroke->add_child("layer"),fill,NULL);
+                               build_url(child_stroke,fill,NULL);
                        }
                        if (SVG_RESOLVE_BLINE)
                                parser_effects(nodeElement,child_layer,parent_style,NULL);
@@ -605,42 +605,71 @@ 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;
+       std::vector<String> tokens=get_tokens_path(path_d);
+       String command="M"; //the current command
        float ax,ay,tgx,tgy,tgx2,tgy2;//each method
-       float actual_x=0,actual_y=0;//for relative methods;
+       ax=ay=0;
+       float actual_x=0,actual_y=0; //in svg coordinate space
+       float old_x=0,old_y=0; //needed in rare cases
+       float init_x=0,init_y=0; //for closepath commands
        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
+
+       for(unsigned int i=0;i<tokens.size();i++){
+               //if the token is a command, change the current command
+               if(tokens.at(i).compare("M")==0 || tokens.at(i).compare("m")==0 || tokens.at(i).compare("L")==0 || tokens.at(i).compare("l")==0 || tokens.at(i).compare("H")==0 || tokens.at(i).compare("h")==0 || tokens.at(i).compare("V")==0 || tokens.at(i).compare("v")==0 || tokens.at(i).compare("C")==0 || tokens.at(i).compare("c")==0 || tokens.at(i).compare("S")==0 || tokens.at(i).compare("s")==0 || tokens.at(i).compare("Q")==0 || tokens.at(i).compare("q")==0 || tokens.at(i).compare("T")==0 || tokens.at(i).compare("t")==0 || tokens.at(i).compare("A")==0 || tokens.at(i).compare("a")==0 || tokens.at(i).compare("z")==0) {
+                       command=tokens.at(i);
+                       i++;
+               }
+               
+               old_x=actual_x;
+               old_y=actual_y;
+               //if command is absolute, set actual_x/y to zero
+               if(command.compare("M")==0 || command.compare("L")==0 || command.compare("C")==0 || command.compare("S")==0 || command.compare("Q")==0 || command.compare("T")==0 || command.compare("A")==0 || command.compare("H")==0 || command.compare("V")==0) {
+                       actual_x=0;
+                       actual_y=0;
+               }
+
+               //now parse the commands
+               if(command.compare("M")==0 || command.compare("m")==0){ //move to
                        if(!k1.empty())
                                k.push_front(k1);
                        k1.clear();
                        //read
-                       i++; ax=atof(tokens.at(i).data());
+                       actual_x+=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;
+                       actual_y+=atof(tokens.at(i).data());
+
+                       init_x=actual_x;
+                       init_y=actual_y;
+                       ax=actual_x;
+                       ay=actual_y;
                        //operate and save
                        if(mtx) transformPoint2D(mtx,&ax,&ay);
                        coor2vect(&ax,&ay);
                        k1.push_back(newVertice (ax,ay)); //first element
                        setSplit(k1.back(),TRUE);
-               }else if(tokens.at(i).compare("C")==0){ //absolute curve
+                       //"If a moveto is followed by multiple pairs of coordinates,
+                       // the subsequent pairs are treated as implicit lineto commands."
+                       if (command.compare("M")==0)
+                               command="L";
+                       else
+                               command="l";
+               }else if(command.compare("C")==0 || command.compare("c")==0){ //curve
                        //tg2
-                       i++; tgx2=atof(tokens.at(i).data());
+                       tgx2=actual_x+atof(tokens.at(i).data());
                        i++; if(tokens.at(i).compare(",")==0) i++;
-                       tgy2=atof(tokens.at(i).data());
+                       tgy2=actual_y+atof(tokens.at(i).data());
                        //tg1
-                       i++; tgx=atof(tokens.at(i).data());
+                       i++; tgx=actual_x+atof(tokens.at(i).data());
                        i++; if(tokens.at(i).compare(",")==0) i++;
-                       tgy=atof(tokens.at(i).data());
+                       tgy=actual_y+atof(tokens.at(i).data());
                        //point
-                       i++; ax=atof(tokens.at(i).data());
+                       i++; actual_x+=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;
+                       actual_y+=atof(tokens.at(i).data());
+
+                       ax=actual_x;
+                       ay=actual_y;
                        //mtx
                        if(mtx){
                                transformPoint2D(mtx,&tgx2,&tgy2);
@@ -660,17 +689,18 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                                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
+               }else if(command.compare("Q")==0 || command.compare("q")==0){ //quadractic curve
                        //tg1 and tg2
-                       i++; tgx=ax=atof(tokens.at(i).data());
+                       tgx=actual_x+atof(tokens.at(i).data());
                        i++; if(tokens.at(i).compare(",")==0) i++;
-                       tgy=ay=atof(tokens.at(i).data());
+                       tgy=actual_y+atof(tokens.at(i).data());
                        //point
-                       i++; ax=atof(tokens.at(i).data());
+                       i++; actual_x+=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;
+                       actual_y+=atof(tokens.at(i).data());
+
+                       ax=actual_x;
+                       ay=actual_y;
                        //mtx
                        if(mtx){
                                transformPoint2D(mtx,&ax,&ay);
@@ -684,72 +714,14 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                        setSplit(k1.back(),FALSE);
                        k1.push_back(newVertice (ax,ay));
                        setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
-               }else if(tokens.at(i).compare("L")==0){ //absolute line to
+               }else if(command.compare("L")==0 || command.compare("l")==0){ //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(newVertice(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());
+                       actual_x+=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(newVertice(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(newVertice(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;
+                       actual_y+=atof(tokens.at(i).data());
+
+                       ax=actual_x;
                        ay=actual_y;
-                       actual_x=ax;
-                       actual_y=ay;
                        //mtx
                        if(mtx) transformPoint2D(mtx,&ax,&ay);
                        //adjust
@@ -762,12 +734,13 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                                k1.push_back(newVertice(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
+               }else if(command.compare("H")==0 || command.compare("h")==0){// horizontal move
+                       //the same that L but only Horizontal movement
                        //point
-                       i++; ay=atof(tokens.at(i).data());
+                       actual_x+=atof(tokens.at(i).data());
+
                        ax=actual_x;
-                       actual_x=ax;
-                       actual_y=ay;
+                       ay=old_y;
                        //mtx
                        if(mtx) transformPoint2D(mtx,&ax,&ay);
                        //adjust
@@ -780,13 +753,12 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                                k1.push_back(newVertice(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
+               }else if(command.compare("V")==0 || command.compare("v")==0){//vertical
                        //point
-                       i++; ay=atof(tokens.at(i).data());
-                       ax=actual_x;
-                       ay=actual_y+ay;
-                       actual_x=ax;
-                       actual_y=ay;
+                       actual_y+=atof(tokens.at(i).data());
+
+                       ax=old_x;
+                       ay=actual_y;
                        //mtx
                        if(mtx) transformPoint2D(mtx,&ax,&ay);
                        //adjust
@@ -799,8 +771,11 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                                k1.push_back(newVertice(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
+               }else if(command.compare("T")==0 || command.compare("t")==0){// I don't know what does it
+                       actual_x+=atof(tokens.at(i).data());
+                       i++; if(tokens.at(i).compare(",")==0) i++;
+                       actual_y+=atof(tokens.at(i).data());
+               }else if(command.compare("A")==0 || command.compare("a")==0){//elliptic arc
 
                        //isn't complete support, is only for circles
 
@@ -810,7 +785,7 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                        float angle;
                        bool sweep,large;
                        //radio
-                       i++; radio_x=atof(tokens.at(i).data());
+                       radio_x=atof(tokens.at(i).data());
                        i++; if(tokens.at(i).compare(",")==0) i++;
                        radio_y=atof(tokens.at(i).data());
                        //angle
@@ -819,18 +794,19 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                        i++; large=atoi(tokens.at(i).data());
                        i++; sweep=atoi(tokens.at(i).data());
                        //point
-                       i++; ax=atof(tokens.at(i).data());
+                       i++; actual_x+=atof(tokens.at(i).data());
                        i++; if(tokens.at(i).compare(",")==0) i++;
-                       ay=atof(tokens.at(i).data());
+                       actual_y+=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;
+                               tgx2 = old_x + radio_x*0.5;
+                               tgy2 = old_y ;
+                               tgx  = actual_x;
+                               tgy  = actual_y + radio_y*0.5;
+
+                               ax=actual_x;
+                               ay=actual_y;
                                //transformations
                                if(mtx){
                                        transformPoint2D(mtx,&tgx2,&tgy2);
@@ -852,12 +828,13 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                                }
                        }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;
+                               tgx2 = old_x;
+                               tgy2 = old_y + radio_y*0.5;
+                               tgx  = actual_x + radio_x*0.5;
+                               tgy  = actual_y ;
+
+                               ax=actual_x;
+                               ay=actual_y;
                                //transformations
                                if(mtx){
                                        transformPoint2D(mtx,&tgx2,&tgy2);
@@ -880,65 +857,79 @@ Svg_parser::parser_path_d(String path_d,Matrix* mtx){
                        }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(newVertice (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(newVertice (ax,ay));
-                                               setTg1(k1.back(),k1.back()->x,k1.back()->y,tgx,tgy);
-                                               setSplit(k1.back(),TRUE);
-                                       }
+                               //intermediate point
+                               int sense=1;
+                               if(old_x>actual_x) sense =-1;
+                               float in_x,in_y,in_tgx1,in_tgy1,in_tgx2,in_tgy2;
+                               in_x = (old_x+actual_x)/2;
+                               in_y = old_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=old_x;
+                               tgy2=actual_y - sense*(radio_y*0.5);
+                               tgx =actual_x;
+                               tgy =actual_y - sense*(radio_y*0.5);
+
+                               ax=actual_x;
+                               ay=actual_y;
+                               //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(newVertice (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(newVertice (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){
+               }else if(command.compare("z")==0){
                        loop=true;
+                       if(!k1.empty())
+                               k.push_front(k1);
+                       k1.clear();
+                       if (i<tokens.size() && tokens.at(i).compare("M")!=0 && tokens.at(i).compare("m")!=0) {
+                               //starting a new path, but not with a moveto
+                               actual_x=init_x;
+                               actual_y=init_y;
+                               ax=actual_x;
+                               ay=actual_y;
+                               //operate and save
+                               if(mtx) transformPoint2D(mtx,&ax,&ay);
+                               coor2vect(&ax,&ay);
+                               k1.push_back(newVertice (ax,ay)); //first element
+                               setSplit(k1.back(),TRUE);
+                       }
+                       i--; //decrement i to balance "i++" at command change
                }else{
-                       std::cout<<"don't supported: "<<tokens.at(i)<<std::endl;
+                       std::cout<<"unsupported path token: "<<tokens.at(i)<<std::endl;
                }
        }
        if(!k1.empty())
@@ -948,6 +939,11 @@ 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){
+       parser_transform(root, mtx);
+}
+
+void
+Svg_parser::parser_transform(xmlpp::Element* root,Matrix* mtx){
        if (mtx) {
                xmlpp::Element *child_transform=root->add_child("layer");
                child_transform->set_attribute("type","warp");
@@ -1046,9 +1042,6 @@ Svg_parser::find_colorStop(String name){
 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 start=name.find_first_of("#")+1;
                int end=name.find_first_of(")");
                String find= name.substr(start,end-start);
@@ -1073,10 +1066,6 @@ Svg_parser::build_url(xmlpp::Element* root, String name,Matrix *mtx){
                                aux++;
                        }
                }
-               if(!encounter)
-                       root->get_parent()->remove_child(root);
-       }else{
-               root->get_parent()->remove_child(root);
        }
 }
 void
@@ -1095,65 +1084,133 @@ Svg_parser::build_stop_color(xmlpp::Element* root, std::list<ColorStop*> *stops)
 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");
+               xmlpp::Element* gradient=root->add_child("layer");
+
+               gradient->set_attribute("type","linear_gradient");
+               gradient->set_attribute("active","true");
+               gradient->set_attribute("desc","Gradient004");
+               build_param (gradient->add_child("param"),"z_depth","real","0");
+               build_param (gradient->add_child("param"),"amount","real","1");
                //straight onto
-               build_param (root->add_child("param"),"blend_method","integer","21");
+               build_param (gradient->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);
+
+
+               if (mtx || data->transform){
+                       Matrix *mtx2=NULL;
+                       if (mtx && data->transform){
+                               composeMatrix(&mtx2,mtx,data->transform);
+                       }else if (mtx){
+                               mtx2=mtx;
+                       }else if (data->transform){
+                               mtx2=data->transform;
+                       }
+                       //matrix transforms the gradient as a whole
+                       //it does not preserve angles, so we cant' simply transform both points
+                       float x3, y3, k;
+                       //set point (x3,y3) on the same gradient line as (x2,y2)
+                       //the gradient line is perpendicular to (x1,y1)(x2,y2)
+                       x3=x2+(y2-y1);
+                       y3=y2-(x2-x1);
+                       //transform everything
+                       transformPoint2D(mtx2,&x1,&y1);
+                       transformPoint2D(mtx2,&x2,&y2);
+                       transformPoint2D(mtx2,&x3,&y3);
+
+                       if (x2!=x3 && y2!=y3) {//divide by zero check
+
+                               //set k as slope between (x2,y2) and (x3,y3)
+                               //k is the slope of gradient lines post-transformation
+                               k=(y3-y2)/(x3-x2);
+                               //set point (x2,y2) on the gradient line passing through (x3,y3)
+                               //so that the line (x1,y1)(x2,y2) is perpendicular to (x2,y2)(x3,y3)
+                               x2= (x3*k+x1/k+y1-y3)/(k+(1/k));
+                               y2= k*(x2-x3)+y3;
+                       } else if (x2==x3 && y2!=y3) {
+                               y2=y1;
+                       } else if (x2!=x3 && y2==y3) {
+                               x2=x1;
+                       } else {
+                               std::cout<<"SVG Import warning: gradient points equal each other"<<std::endl;
+                       }
                }
+
                coor2vect (&x1,&y1);
                coor2vect (&x2,&y2);
 
-               build_vector (root->add_child("param"),"p1",x1,y1);
-               build_vector (root->add_child("param"),"p2",x2,y2);
+               build_vector (gradient->add_child("param"),"p1",x1,y1);
+               build_vector (gradient->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");
+               xmlpp::Element *child_stops=gradient->add_child("param");
+               child_stops->set_attribute("name","gradient");
+               build_stop_color (child_stops->add_child("gradient"),data->stops);
+               build_param (gradient->add_child("param"),"loop","bool","false");
+               build_param (gradient->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");
+               xmlpp::Element* gradient;
+
+               if (mtx || data->transform) {
+                       xmlpp::Element* layer=root->add_child("layer");
+
+                       layer->set_attribute("type","PasteCanvas");
+                       layer->set_attribute("active","true");
+                       layer->set_attribute("version","0.1");
+                       layer->set_attribute("desc","Composite");
+                       build_param (layer->add_child("param"),"z_depth","real","0");
+                       build_param (layer->add_child("param"),"amount","real","1");
+                       build_param (layer->add_child("param"),"blend_method","integer","21"); //straight onto
+                       build_vector (layer->add_child("param"),"origin",0,0);
+                       xmlpp::Element *child=layer->add_child("param");
+                       child->set_attribute("name","canvas");
+                       xmlpp::Element* child_layer=child->add_child("canvas");
+
+                       gradient=child_layer->add_child("layer");
+                       build_param (gradient->add_child("param"),"blend_method","integer","0"); //composite
+                       Matrix *mtx2=NULL;
+                       if (mtx && data->transform){
+                               composeMatrix(&mtx2,mtx,data->transform);
+                       }else if (mtx){
+                               mtx2=mtx;
+                       }else if (data->transform){
+                               mtx2=data->transform;
+                       }
+                       parser_transform(child_layer,mtx2);
+                       
+               }else {
+                       gradient=root->add_child("layer");
+                       build_param (gradient->add_child("param"),"blend_method","integer","21"); //straight onto
+               }               
+
+               gradient->set_attribute("type","radial_gradient");
+               gradient->set_attribute("active","true");
+               build_param (gradient->add_child("param"),"z_depth","real","0");
+               build_param (gradient->add_child("param"),"amount","real","1");
                //gradient link
-               xmlpp::Element *child=root->add_child("param");
-               child->set_attribute("name","gradient");
-               build_stop_color (child->add_child("gradient"),data->stops);
+               xmlpp::Element *child_stops=gradient->add_child("param");
+               child_stops->set_attribute("name","gradient");
+               build_stop_color (child_stops->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_vector (gradient->add_child("param"),"center",cx,cy);
+               build_param (gradient->add_child("param"),"radius","real",r);
 
-               build_param (root->add_child("param"),"loop","bool","false");
-               build_param (root->add_child("param"),"zigzag","bool","false");
+               build_param (gradient->add_child("param"),"loop","bool","false");
+               build_param (gradient->add_child("param"),"zigzag","bool","false");
        }
 }
 
@@ -1166,6 +1223,12 @@ Svg_parser::parser_linearGradient(const xmlpp::Node* node){
                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");
+               Glib::ustring transform =nodeElement->get_attribute_value("gradientTransform");
+
+               //resolve transformations
+               Matrix* mtx=NULL;
+               if(!transform.empty())
+                       mtx=build_transform (transform);
 
                std::list<ColorStop*> *stops;
                if(!link.empty()){
@@ -1196,7 +1259,7 @@ Svg_parser::parser_linearGradient(const xmlpp::Node* node){
                        }
                }
                if(stops)
-                       lg.push_back(newLinearGradient(id,x1,y1,x2,y2,stops));
+                       lg.push_back(newLinearGradient(id,x1,y1,x2,y2,stops,mtx));
        }
 }
 
@@ -1206,15 +1269,27 @@ Svg_parser::parser_radialGradient(const xmlpp::Node* 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 fx                        =atof(nodeElement->get_attribute_value("fx").data());
+               float fy                        =atof(nodeElement->get_attribute_value("fy").data());
                float r                         =atof(nodeElement->get_attribute_value("r").data());
                Glib::ustring link      =nodeElement->get_attribute_value("href");//basic
+               Glib::ustring transform =nodeElement->get_attribute_value("gradientTransform");
+
+               if (cx!=fx || cy!=fy)
+                       std::cout<<"SVG Parser: ignoring focus attributes for radial gradient";
+
+               //resolve transformations
+               Matrix* mtx=NULL;
+               if(!transform.empty())
+                       mtx=build_transform (transform);
+
                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));
+                       rg.push_back(newRadialGradient(id,cx,cy,r,stops,mtx));
        }
 }
 
@@ -1259,7 +1334,7 @@ Svg_parser::adjustGamma(float r,float g,float b,float a){
 }
 
 LinearGradient*
-Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops){
+Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,std::list<ColorStop*> *stops, Matrix* transform){
        LinearGradient* data;
        data=(LinearGradient*)malloc(sizeof(LinearGradient));
        sprintf(data->name,"%s",name.data());
@@ -1268,11 +1343,12 @@ Svg_parser::newLinearGradient(String name,float x1,float y1, float x2,float y2,s
        data->x2=x2;
        data->y2=y2;
        data->stops=stops;
+       data->transform=transform;
        return data;
 }
 
 RadialGradient*
-Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops){
+Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<ColorStop*> *stops, Matrix* transform){
        RadialGradient* data;
        data=(RadialGradient*)malloc(sizeof(RadialGradient));
        sprintf(data->name,"%s",name.data());
@@ -1280,6 +1356,7 @@ Svg_parser::newRadialGradient(String name,float cx,float cy,float r,std::list<Co
        data->cy=cy;
        data->r=r;
        data->stops=stops;
+       data->transform=transform;
        return data;
 }