Implement generic path parsing
[synfig.git] / synfig-core / src / modules / mod_svg / svg_parser.cpp
index a97757a..5e762fc 100644 (file)
@@ -118,12 +118,7 @@ Svg_parser::set_id(String source){
 //UPDATE
 
 void
-Svg_parser::parser_node(const xmlpp::Node* node) {
-       parser_node(node,nodeRoot,"",NULL);
-}
-
-void
-Svg_parser::parser_node(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
+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);
@@ -141,7 +136,8 @@ Svg_parser::parser_node(const xmlpp::Node* node,xmlpp::Element* root,String pare
                        parser_defs (node);
                }else{
                        if(set_canvas==0) parser_canvas (node);
-                       parser_graphics(node,root,parent_style,mtx_parent);
+                       parser_graphics(node,nodeRoot,"",NULL);
+                       if(nodename.compare("g")==0) return;
                }
        }
        if(!nodeContent){
@@ -214,9 +210,13 @@ Svg_parser::parser_canvas (const xmlpp::Node* node){
 //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
-//All Paths: convert all objects to paths
+//All Paths: convert objects to paths
+//          1: when necessary
+//          2: when necessary, including for linking
+//          3: always
 #define SVG_SEP_TRANSFORMS 1
 #define SVG_RESOLVE_BLINE 1
+#define SVG_CONVERT_PATHS 1
 
 void
 Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String parent_style,Matrix* mtx_parent){
@@ -240,23 +240,242 @@ Svg_parser::parser_graphics(const xmlpp::Node* node,xmlpp::Element* root,String
                                                mtx=newMatrix(mtx_parent);
                                }
                        }
-
-
                        if(nodename.compare("g")==0){
                                parser_layer (node,root->add_child("layer"),parent_style,mtx);
                                return;
-                       }else if(nodename.compare("rect")==0){
-                               parser_rect(nodeElement,root,parent_style,mtx);
-                       }else if(nodename.compare("polygon")==0){
-                               parser_polygon(nodeElement,root,parent_style,mtx);
-                       }else if(nodename.compare("path")==0){
-                               parser_path (nodeElement,root,parent_style,mtx);
                        }
+
+                       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,"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");
+
+
+                       //Fill
+                       int typeFill=0; //nothing
+
+                       if(fill.compare("none")!=0){
+                               typeFill=1; //simple
+                       }
+                       if(typeFill==1 && fill.compare(0,3,"url")==0){
+                               typeFill=2;     //gradient
+                       }
+                       //Stroke
+                       int typeStroke=0;//nothing
+
+                       if(stroke.compare("none")!=0){
+                               typeStroke=1; //simple
+                       }
+                       if(typeStroke==1 && stroke.compare(0,3,"url")==0){
+                               typeStroke=2;   //gradient
+                       }
+                       
+                       xmlpp::Element* child_fill = root;  //TODO: child_filter
+                       xmlpp::Element* child_stroke = root;
+                       if(typeFill!=0 && typeStroke!=0){
+                               child_fill=child_stroke=nodeStartBasicLayer(root->add_child("layer"));
+                       }
+                       if(typeFill==2){
+                               child_fill=nodeStartBasicLayer(child_fill->add_child("layer"));
+                       }
+                       if(typeStroke==2){
+                               child_stroke=nodeStartBasicLayer(child_stroke->add_child("layer"));
+                       }
+                       if ((SVG_CONVERT_PATHS == 1 && typeFill!=0) || (SVG_CONVERT_PATHS == 2 && typeFill!=0 && typeStroke==0)) {
+                               //make simple fills
+                               if(nodename.compare("rect")==0){
+                                       rect_simple(nodeElement,child_fill,fill,fill_opacity,opacity);
+                                       if(typeFill==2){
+                                               build_url (child_fill->add_child("layer"),fill,mtx);
+                                       }
+                                       typeFill=0; //set fill to zero so as not to create a fill layer in the paths section
+                               }
+                       }
+
+                       //=======================================================================
+                       std::list<std::list<Vertice*> > k;
+                       if (nodename.compare("path")==0 || typeStroke!=0 || SVG_CONVERT_PATHS==3) {
+                               //if we are creating a bline
+
+                               //First, create the list of vertices
+
+
+                               /*if(nodename.compare("rect")==0){
+                                       parser_rect(nodeElement,root,parent_style,mtx);
+                               }else if(nodename.compare("polygon")==0){
+                                       parser_polygon(nodeElement,root,parent_style,mtx);
+                               }else if(nodename.compare("path")==0){
+                                       parser_path (nodeElement,root,parent_style,mtx);
+                               }       */
+
+                               if(nodename.compare("path")==0){
+                                       k=parser_path_d (nodeElement->get_attribute_value("d"),mtx);
+                               } else {return;}
+
+                               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",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()));
+                                               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");
+                                               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[i]);
+
+                                               if(k.size()==1 && typeFill==2){ //gradient in onto mode (fill)
+                                                       build_url(child_fill->add_child("layer"),fill,mtx);
+                                               }
+                                               i++;
+                                       }
+                               }
+
+                               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",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()));
+                                               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");
+                                               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[i]);
+
+                                               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);
+                                               }
+                                               i++;
+                                       }
+                               }
+
+
+
+//////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
+
+
+
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+                               
+                               
+
+                       }
+
+                       //if(nodename.compare("rect")==0){
+                       //      parser_rect(nodeElement,root,parent_style,mtx);
+                       //}else if(nodename.compare("polygon")==0){
+                       //      parser_polygon(nodeElement,root,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_rect(const xmlpp::Element* nodeElement,xmlpp::Element* root,String parent_style,Matrix* mtx){
        Glib::ustring rect_id           =nodeElement->get_attribute_value("id");
        Glib::ustring rect_style        =nodeElement->get_attribute_value("style");
@@ -329,7 +548,7 @@ Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String par
                root->set_attribute("active","true");
                root->set_attribute("version","0.1");
                if(!label.empty())      root->set_attribute("desc",label);
-               else            root->set_attribute("desc","unknown layer");
+               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);
@@ -346,7 +565,7 @@ Svg_parser::parser_layer(const xmlpp::Node* node,xmlpp::Element* root,String par
                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_node (*iter,child_canvas,layer_style,mtx);
+                               parser_graphics (*iter,child_canvas,layer_style,mtx);
                }
                }
        }