update to trunk

(bzr r15356.1.18)

10 files changed, 707 insertions, 156 deletions

diff --git a/src/live_effects/effect.cpp b/src/live_effects/effect.cpp
index 9d9381294..50e2aa353 100644
--- a/src/live_effects/effect.cpp
+++ b/src/live_effects/effect.cpp
@@ -70,6 +70,8 @@
 #include "ui/tools/node-tool.h"
 #include "ui/tools-switch.h"
 #include "knotholder.h"
+#include "path-chemistry.h"
+#include "xml/sp-css-attr.h"
 #include "live_effects/lpeobject.h"
 #include "display/curve.h"
 
@@ -356,6 +358,7 @@ Effect::Effect(LivePathEffectObject *lpeobject)
       sp_lpe_item(NULL),
       current_zoom(1),
       upd_params(true),
+      sp_shape(NULL),
       sp_curve(NULL),
       provides_own_flash_paths(true), // is automatically set to false if providesOwnFlashPaths() is not overridden
       is_ready(false) // is automatically set to false if providesOwnFlashPaths() is not overridden
@@ -392,15 +395,15 @@ Effect::doOnApply (SPLPEItem const*/*lpeitem*/)
 }
 
 void
-Effect::setSelectedNodePoints(std::vector<Geom::Point> sNP)
+Effect::setCurrentZoom(double cZ)
 {
-    selectedNodesPoints = sNP;
+    current_zoom = cZ;
 }
 
 void
-Effect::setCurrentZoom(double cZ)
+Effect::setSelectedNodePoints(std::vector<Geom::Point> sNP)
 {
-    current_zoom = cZ;
+    selectedNodesPoints = sNP;
 }
 
 bool
@@ -423,6 +426,74 @@ Effect::isNodePointSelected(Geom::Point const &nodePoint) const
     return false;
 }
 
+void 
+Effect::processObjects(LpeAction lpe_action)
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    for (std::vector<const char *>::iterator el_it = items.begin(); 
+         el_it != items.end(); ++el_it) {
+        const char * id = *el_it;
+        if (!id || strlen(id) == 0) {
+            return;
+        }
+        SPObject *elemref = NULL;
+        if (elemref = document->getObjectById(id)) {
+            Inkscape::XML::Node * elemnode = elemref->getRepr();
+            std::vector<SPItem*> item_list;
+            item_list.push_back(SP_ITEM(elemref));
+            std::vector<Inkscape::XML::Node*> item_to_select;
+            std::vector<SPItem*> item_selected;
+            SPCSSAttr *css;
+            Glib::ustring css_str;
+            switch (lpe_action){
+            case LPE_TO_OBJECTS:
+                if (SP_ITEM(elemref)->isHidden()) {
+                    elemref->deleteObject();
+                } else {
+                    if (elemnode->attribute("inkscape:path-effect")) {
+                        sp_item_list_to_curves(item_list, item_selected, item_to_select);
+                    }
+                    elemnode->setAttribute("sodipodi:insensitive", NULL);
+                }
+                break;
+
+            case LPE_ERASE:
+                elemref->deleteObject();
+                break;
+
+            case LPE_VISIBILITY:
+                css = sp_repr_css_attr_new();
+                sp_repr_css_attr_add_from_string(css, elemref->getRepr()->attribute("style"));
+                if (!this->isVisible()/* && std::strcmp(elemref->getId(),sp_lpe_item->getId()) != 0*/) {
+                    css->setAttribute("display", "none");
+                } else {
+                    css->setAttribute("display", NULL);
+                }
+                sp_repr_css_write_string(css,css_str);
+                elemnode->setAttribute("style", css_str.c_str());
+                break;
+
+            default:
+                break;
+            }
+        }
+    }
+    if (lpe_action == LPE_ERASE || lpe_action == LPE_TO_OBJECTS) {
+        items.clear();
+    }
+}
+
+void Effect::setCurrentShape(SPShape * shape){ 
+    if(shape){
+        sp_shape = shape;
+        if (!(sp_curve = sp_shape->getCurve())) {
+           // oops
+            return;
+        }
+        pathvector_before_effect = sp_curve->get_pathvector();
+    }
+}
+
 /**
  * Is performed each time before the effect is updated.
  */
@@ -446,8 +517,12 @@ void Effect::doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/)
 void Effect::doOnApply_impl(SPLPEItem const* lpeitem)
 {
     sp_lpe_item = const_cast<SPLPEItem *>(lpeitem);
-    /*sp_curve = SP_SHAPE(sp_lpe_item)->getCurve();
-    pathvector_before_effect = sp_curve->get_pathvector();*/
+    sp_curve = SP_SHAPE(sp_lpe_item)->getCurve();
+    pathvector_before_effect = sp_curve->get_pathvector();
+    SPShape * shape = dynamic_cast<SPShape *>(sp_lpe_item);
+    if(shape){
+        setCurrentShape(shape);
+    }
     doOnApply(lpeitem);
 }
 
@@ -457,6 +532,7 @@ void Effect::doBeforeEffect_impl(SPLPEItem const* lpeitem)
     //printf("(SPLPEITEM*) %p\n", sp_lpe_item);
     SPShape * shape = dynamic_cast<SPShape *>(sp_lpe_item);
     if(shape){
+        setCurrentShape(shape);
         sp_curve = shape->getCurve();
         pathvector_before_effect = sp_curve->get_pathvector();
     }
diff --git a/src/live_effects/effect.h b/src/live_effects/effect.h
index 1997ff0ca..f5e41d50e 100644
--- a/src/live_effects/effect.h
+++ b/src/live_effects/effect.h
@@ -19,7 +19,7 @@
 class  SPDocument;
 class  SPDesktop;
 class  SPItem;
-class LivePathEffectObject;
+class  LivePathEffectObject;
 class  SPLPEItem;
 class  KnotHolder;
 class  KnotHolderEntity;
@@ -44,6 +44,12 @@ enum LPEPathFlashType {
     DEFAULT
 };
 
+enum LpeAction {
+    LPE_ERASE = 0,
+    LPE_TO_OBJECTS,
+    LPE_VISIBILITY
+};
+
 class Effect {
 public:
     static Effect* New(EffectType lpenr, LivePathEffectObject *lpeobj);
@@ -73,6 +79,9 @@ public:
     static int acceptsNumClicks(EffectType type);
     int acceptsNumClicks() const { return acceptsNumClicks(effectType()); }
     void doAcceptPathPreparations(SPLPEItem *lpeitem);
+    SPShape * getCurrentShape(){ return sp_shape; };
+    void setCurrentShape(SPShape * shape);
+    void processObjects(LpeAction lpe_action);
 
     /*
      * isReady() indicates whether all preparations which are necessary to apply the LPE are done,
@@ -125,7 +134,9 @@ public:
     bool apply_to_clippath_and_mask;
     bool erase_extra_objects; // set this to false allow retain extra generated objects, see measure line LPE
     bool upd_params;
-
+    BoolParam is_visible;
+    SPCurve * sp_curve;
+    Geom::PathVector pathvector_before_effect;
 protected:
     Effect(LivePathEffectObject *lpeobject);
 
@@ -150,7 +161,6 @@ protected:
     bool _provides_knotholder_entities;
 
     int oncanvasedit_it;
-    BoolParam is_visible;
 
     bool show_orig_path; // set this to true in derived effects to automatically have the original
                          // path displayed as helperpath
@@ -164,10 +174,10 @@ protected:
     bool concatenate_before_pwd2;
 
     SPLPEItem * sp_lpe_item; // these get stored in doBeforeEffect_impl, and derived classes may do as they please with them.
+    SPShape * sp_shape; // these get stored in doBeforeEffect_impl before doEffect chain, or in performPathEffects on groups, and derived classes may do as they please with them.
+    std::vector<const char *> items;
     double current_zoom;
     std::vector<Geom::Point> selectedNodesPoints;
-    SPCurve * sp_curve;
-    Geom::PathVector pathvector_before_effect;
 private:
     bool provides_own_flash_paths; // if true, the standard flash path is suppressed
 
diff --git a/src/live_effects/lpe-copy_rotate.cpp b/src/live_effects/lpe-copy_rotate.cpp
index 813f25d3d..fbc7933e7 100644
--- a/src/live_effects/lpe-copy_rotate.cpp
+++ b/src/live_effects/lpe-copy_rotate.cpp
@@ -17,6 +17,13 @@
 #include <2geom/sbasis-to-bezier.h>
 #include <2geom/intersection-graph.h>
 #include "live_effects/lpe-copy_rotate.h"
+#include "display/curve.h"
+#include "svg/path-string.h"
+#include "svg/svg.h"
+#include "style.h"
+#include "helper/geom.h"
+#include "xml/sp-css-attr.h"
+#include "path-chemistry.h"
 // TODO due to internal breakage in glibmm headers, this must be last:
 #include <glibmm/i18n.h>
 
@@ -45,9 +52,11 @@ LPECopyRotate::LPECopyRotate(LivePathEffectObject *lpeobject) :
     starting_angle(_("Starting angle"), _("Angle of the first copy"), "starting_angle", &wr, this, 0.0),
     rotation_angle(_("Rotation angle"), _("Angle between two successive copies"), "rotation_angle", &wr, this, 60.0),
     num_copies(_("Number of copies"), _("Number of copies of the original path"), "num_copies", &wr, this, 6),
+    split_gap(_("Gap on split"), _("Gap on split"), "split_gap", &wr, this, -0.001),
     copies_to_360(_("360º Copies"), _("No rotation angle, fixed to 360º"), "copies_to_360", &wr, this, true),
     fuse_paths(_("Kaleidoskope"), _("Kaleidoskope by helper line, use fill-rule: evenodd for best result"), "fuse_paths", &wr, this, false),
     join_paths(_("Join paths"), _("Join paths, use fill-rule: evenodd for best result"), "join_paths", &wr, this, false),
+    split_items(_("Split elements"), _("Split elements, this allow gradients and other paints."), "split_items", &wr, this, false),
     dist_angle_handle(100.0)
 {
     show_orig_path = true;
@@ -56,15 +65,21 @@ LPECopyRotate::LPECopyRotate(LivePathEffectObject *lpeobject) :
     registerParameter(&copies_to_360);
     registerParameter(&fuse_paths);
     registerParameter(&join_paths);
+    registerParameter(&split_items);
     registerParameter(&starting_angle);
     registerParameter(&starting_point);
     registerParameter(&rotation_angle);
     registerParameter(&num_copies);
+    registerParameter(&split_gap);
     registerParameter(&origin);
-
+    split_gap.param_set_range(-999999.0, 999999.0);
+    split_gap.param_set_increments(0.1, 0.1);
+    split_gap.param_set_digits(5);
+    num_copies.param_set_range(0, 999999);
     num_copies.param_make_integer(true);
-    num_copies.param_set_range(0, 1000);
     apply_to_clippath_and_mask = true;
+    previous_num_copies = num_copies;
+    reset = false;
 }
 
 LPECopyRotate::~LPECopyRotate()
@@ -72,6 +87,207 @@ LPECopyRotate::~LPECopyRotate()
 
 }
 
+void
+LPECopyRotate::doAfterEffect (SPLPEItem const* lpeitem)
+{
+    if (split_items) {
+        SPDocument * document = SP_ACTIVE_DOCUMENT;
+        items.clear();
+        container = dynamic_cast<SPObject *>(sp_lpe_item->parent);
+        SPDocument * doc = SP_ACTIVE_DOCUMENT;
+        Inkscape::XML::Node *root = sp_lpe_item->document->getReprRoot();
+        Inkscape::XML::Node *root_origin = doc->getReprRoot();
+        if (root_origin != root) {
+            return;
+        }
+        if (previous_num_copies != num_copies) {
+            gint numcopies_gap = previous_num_copies - num_copies;
+            if (numcopies_gap > 0 && num_copies != 0) {
+                guint counter = num_copies - 1;
+                while (numcopies_gap > 0) {
+                    const char * id = g_strdup(Glib::ustring("rotated-").append(std::to_string(counter)).append("-").append(sp_lpe_item->getRepr()->attribute("id")).c_str());
+                     if (!id || strlen(id) == 0) {
+                        return;
+                    }
+                    SPObject *elemref = NULL;
+                    if (elemref = document->getObjectById(id)) {
+                        SP_ITEM(elemref)->setHidden(true);
+                    }
+                    counter++;
+                    numcopies_gap--;
+                }
+            }
+            previous_num_copies = num_copies;
+        }
+        SPObject *elemref = NULL;
+        char * id = g_strdup(Glib::ustring("rotated-").append("1").append("-").append(sp_lpe_item->getRepr()->attribute("id")).c_str());
+        guint counter = 0;
+        while(elemref = document->getObjectById(id)) {
+            if (SP_ITEM(elemref)->isHidden()) {
+                items.push_back(id);
+            }
+            id = g_strdup(Glib::ustring("rotated-").append(std::to_string(counter)).append("-").append(sp_lpe_item->getRepr()->attribute("id")).c_str());
+            counter++;
+        }
+        g_free(id);
+        double diagonal = Geom::distance(Geom::Point(boundingbox_X.min(),boundingbox_Y.min()),Geom::Point(boundingbox_X.max(),boundingbox_Y.max()));
+        Geom::Rect bbox(Geom::Point(boundingbox_X.min(),boundingbox_Y.min()),Geom::Point(boundingbox_X.max(),boundingbox_Y.max()));
+        double size_divider = Geom::distance(origin,bbox) + (diagonal * 2);
+        Geom::Point line_start  = origin + dir * Geom::Rotate(-(Geom::rad_from_deg(starting_angle))) * size_divider;
+        Geom::Point line_end = origin + dir * Geom::Rotate(-(Geom::rad_from_deg(rotation_angle + starting_angle))) * size_divider;
+        Geom::Affine m = Geom::Translate(-origin) * Geom::Rotate(-(Geom::rad_from_deg(starting_angle)));
+        if (fuse_paths) {
+            size_t rest = 0;
+            for (size_t i = 1; i < num_copies; ++i) {
+                Geom::Affine r = Geom::identity();
+                Geom::Point dir = unit_vector((Geom::Point)origin - Geom::middle_point(line_start,line_end));
+                if( rest%2 == 0) {
+                    r *= Geom::Rotate(Geom::Angle(dir)).inverse();
+                    r *= Geom::Scale(1, -1);
+                    r *= Geom::Rotate(Geom::Angle(dir));
+                }
+                Geom::Rotate rot(-(Geom::rad_from_deg(rotation_angle * i)));
+                Geom::Affine t = m * r * rot * Geom::Rotate(Geom::rad_from_deg(starting_angle)) * Geom::Translate(origin);
+                if( rest%2 == 0) {
+                    t = m * r * rot * Geom::Rotate(Geom::rad_from_deg(starting_angle)).inverse() * Geom::Translate(origin);
+                }
+                t *= sp_lpe_item->transform;
+                toItem(t, i-1, reset);
+                rest ++;
+            }
+        } else {
+            for (size_t i = 1; i < num_copies; ++i) {
+                Geom::Rotate rot(-(Geom::rad_from_deg(rotation_angle * i)));
+                Geom::Affine t = m * rot * Geom::Rotate(Geom::rad_from_deg(starting_angle)) * Geom::Translate(origin);
+                t *= sp_lpe_item->transform;
+                toItem(t, i - 1, reset);
+            }
+        }
+        reset = false;
+    } else {
+        processObjects(LPE_ERASE);
+        items.clear();
+    }
+    
+    std::cout << previous_num_copies << "previous_num_copies\n";
+    std::cout << num_copies << "num_copies\n";
+}
+
+void
+LPECopyRotate::cloneD(SPObject *origin, SPObject *dest, bool root, bool reset) 
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    Inkscape::XML::Document *xml_doc = document->getReprDoc();
+    if ( SP_IS_GROUP(origin) && SP_IS_GROUP(dest) && SP_GROUP(origin)->getItemCount() == SP_GROUP(dest)->getItemCount() ) {
+        std::vector< SPObject * > childs = origin->childList(true);
+        size_t index = 0;
+        for (std::vector<SPObject * >::iterator obj_it = childs.begin(); 
+             obj_it != childs.end(); ++obj_it) {
+            SPObject *dest_child = dest->nthChild(index); 
+            cloneD(*obj_it, dest_child, false, reset); 
+            index++;
+        }
+    }
+    SPShape * shape =  SP_SHAPE(origin);
+    SPPath * path =  SP_PATH(dest);
+    if (!path && !SP_IS_GROUP(dest)) {
+        Inkscape::XML::Node *dest_node = sp_selected_item_to_curved_repr(SP_ITEM(dest), 0);
+        dest->updateRepr(xml_doc, dest_node, SP_OBJECT_WRITE_ALL);
+        path =  SP_PATH(dest);
+    }
+    if (path && shape) {
+        SPCurve *c = NULL;
+        if (root) {
+            c = new SPCurve();
+            c->set_pathvector(pathvector_before_effect);
+        } else {
+            c = shape->getCurve();
+        }
+        if (c) {
+            path->setCurve(c, TRUE);
+            c->unref();
+        } else {
+            dest->getRepr()->setAttribute("d", NULL);
+        }
+        if (reset) {
+            dest->getRepr()->setAttribute("style", shape->getRepr()->attribute("style"));
+        }
+    }
+}
+
+void
+LPECopyRotate::toItem(Geom::Affine transform, size_t i, bool reset)
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    Inkscape::XML::Document *xml_doc = document->getReprDoc();
+    const char * elemref_id = g_strdup(Glib::ustring("rotated-").append(std::to_string(i)).append("-").append(sp_lpe_item->getRepr()->attribute("id")).c_str());
+    items.push_back(elemref_id);
+    SPObject *elemref= NULL;
+    Inkscape::XML::Node *phantom = NULL;
+    if (elemref = document->getObjectById(elemref_id)) {
+        phantom = elemref->getRepr();
+    } else {
+        phantom = sp_lpe_item->getRepr()->duplicate(xml_doc);
+        std::vector<const char *> attrs;
+        attrs.push_back("inkscape:path-effect");
+        attrs.push_back("inkscape:original-d");
+        attrs.push_back("sodipodi:type");
+        attrs.push_back("sodipodi:rx");
+        attrs.push_back("sodipodi:ry");
+        attrs.push_back("sodipodi:cx");
+        attrs.push_back("sodipodi:cy");
+        attrs.push_back("sodipodi:end");
+        attrs.push_back("sodipodi:start");
+        attrs.push_back("inkscape:flatsided");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:rounded");
+        attrs.push_back("sodipodi:arg1");
+        attrs.push_back("sodipodi:arg2");
+        attrs.push_back("sodipodi:r1");
+        attrs.push_back("sodipodi:r2");
+        attrs.push_back("sodipodi:sides");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("sodipodi:argument");
+        attrs.push_back("sodipodi:expansion");
+        attrs.push_back("sodipodi:radius");
+        attrs.push_back("sodipodi:revolution");
+        attrs.push_back("sodipodi:t0");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("x");
+        attrs.push_back("y");
+        attrs.push_back("rx");
+        attrs.push_back("ry");
+        attrs.push_back("width");
+        attrs.push_back("height");
+        phantom->setAttribute("id", elemref_id);
+        for(const char * attr : attrs) { 
+            phantom->setAttribute(attr, NULL);
+        }
+    }
+    if (!elemref) {
+        elemref = container->appendChildRepr(phantom);
+        Inkscape::GC::release(phantom);
+    }
+    cloneD(SP_OBJECT(sp_lpe_item), elemref, true, reset);
+    elemref->getRepr()->setAttribute("transform" , sp_svg_transform_write(transform));
+    SP_ITEM(elemref)->setHidden(false);
+    if (elemref->parent != container) {
+        Inkscape::XML::Node *copy = phantom->duplicate(xml_doc);
+        copy->setAttribute("id", elemref_id);
+        container->appendChildRepr(copy);
+        Inkscape::GC::release(copy);
+        elemref->deleteObject();
+    }
+}
+
+void
+LPECopyRotate::resetStyles(){
+    reset = true;
+    doAfterEffect(sp_lpe_item);
+}
+
 Gtk::Widget * LPECopyRotate::newWidget()
 {
     // use manage here, because after deletion of Effect object, others might
@@ -81,7 +297,15 @@ Gtk::Widget * LPECopyRotate::newWidget()
     vbox->set_border_width(5);
     vbox->set_homogeneous(false);
     vbox->set_spacing(2);
-
+    Gtk::HBox * hbox = Gtk::manage(new Gtk::HBox(false,0));
+    Gtk::VBox * vbox_expander = Gtk::manage( new Gtk::VBox(Effect::newWidget()) );
+    vbox_expander->set_border_width(0);
+    vbox_expander->set_spacing(2);
+    Gtk::Button * reset_button = Gtk::manage(new Gtk::Button(Glib::ustring(_("Reset styles"))));
+    reset_button->signal_clicked().connect(sigc::mem_fun (*this,&LPECopyRotate::resetStyles));
+    reset_button->set_size_request(140,30);
+    vbox->pack_start(*hbox, true,true,2);
+    hbox->pack_start(*reset_button, false, false,2);
     std::vector<Parameter *>::iterator it = param_vector.begin();
     while (it != param_vector.end()) {
         if ((*it)->widget_is_visible) {
@@ -125,11 +349,11 @@ void
 LPECopyRotate::transform_multiply(Geom::Affine const& postmul, bool set)
 {
     // cycle through all parameters. Most parameters will not need transformation, but path and point params do.
-
     for (std::vector<Parameter *>::iterator it = param_vector.begin(); it != param_vector.end(); ++it) {
         Parameter * param = *it;
         param->param_transform_multiply(postmul, set);
     }
+    sp_lpe_item_update_patheffect(sp_lpe_item, false, false);
 }
 
 void
@@ -140,17 +364,17 @@ LPECopyRotate::doBeforeEffect (SPLPEItem const* lpeitem)
     if (copies_to_360) {
         rotation_angle.param_set_value(360.0/(double)num_copies);
     }
-    if (fuse_paths && rotation_angle * num_copies > 360 && rotation_angle > 0) {
+    if (fuse_paths && rotation_angle * num_copies > 360.1 && rotation_angle > 0) {
         num_copies.param_set_value(floor(360/rotation_angle));
     }
     if (fuse_paths && copies_to_360) {
-        num_copies.param_set_increments(2,2);
+        num_copies.param_set_increments(2.0,10.0);
         if ((int)num_copies%2 !=0) {
             num_copies.param_set_value(num_copies+1);
             rotation_angle.param_set_value(360.0/(double)num_copies);
         }
     } else {
-        num_copies.param_set_increments(1,1);
+        num_copies.param_set_increments(1.0, 10.0);
     }
 
     if (dist_angle_handle < 1.0) {
@@ -352,12 +576,57 @@ LPECopyRotate::setFusion(Geom::PathVector &path_on, Geom::Path divider, double s
     tmp_path.clear();
 }
 
+Geom::PathVector
+LPECopyRotate::doEffect_path (Geom::PathVector const & path_in)
+{
+    Geom::PathVector path_out;
+    if (split_items && (fuse_paths || join_paths)) {
+        if (num_copies == 0) {
+            return path_out;
+        }
+        path_out = pathv_to_linear_and_cubic_beziers(path_in);
+        double diagonal = Geom::distance(Geom::Point(boundingbox_X.min(),boundingbox_Y.min()),Geom::Point(boundingbox_X.max(),boundingbox_Y.max()));
+        Geom::OptRect bbox = sp_lpe_item->geometricBounds();
+        double size_divider = Geom::distance(origin,bbox) + (diagonal * 2);
+        Geom::Point line_start  = origin + dir * Geom::Rotate(-(Geom::rad_from_deg(starting_angle))) * size_divider;
+        Geom::Point line_end = origin + dir * Geom::Rotate(-(Geom::rad_from_deg(rotation_angle + starting_angle))) * size_divider;
+        Geom::Path divider = Geom::Path(line_start);
+        divider.appendNew<Geom::LineSegment>((Geom::Point)origin);
+        divider.appendNew<Geom::LineSegment>(line_end);
+        divider.close();
+        Geom::PathVector triangle;
+        triangle.push_back(divider);
+        Geom::PathIntersectionGraph *pig = new Geom::PathIntersectionGraph(triangle, path_out);
+        if (pig && ! path_out.empty() && !triangle.empty()) {
+            //TODO: Here can produce a crash because some knows problems in new boolops code
+            path_out = pig->getIntersection();
+        }
+        Geom::Affine r = Geom::identity();
+        Geom::Point dir = unit_vector(Geom::middle_point(line_start,line_end) - (Geom::Point)origin);
+        Geom::Point gap = dir * split_gap;
+        r *= Geom::Translate(gap);
+        path_out *= r;
+    } else {
+        // default behavior
+        for (unsigned int i=0; i < path_in.size(); i++) {
+            Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_in = path_in[i].toPwSb();
+            Geom::Piecewise<Geom::D2<Geom::SBasis> > pwd2_out = doEffect_pwd2(pwd2_in);
+            Geom::PathVector path = Geom::path_from_piecewise( pwd2_out, LPE_CONVERSION_TOLERANCE);
+            // add the output path vector to the already accumulated vector:
+            for (unsigned int j=0; j < path.size(); j++) {
+                path_out.push_back(path[j]);
+            }
+        }
+    }
+    return pathv_to_linear_and_cubic_beziers(path_out);
+}
+
 Geom::Piecewise<Geom::D2<Geom::SBasis> >
 LPECopyRotate::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in)
 {
     using namespace Geom;
 
-    if (num_copies == 1 && !fuse_paths) {
+    if ((num_copies == 1 && !fuse_paths) || split_items) {
         return pwd2_in;
     }
 
@@ -373,10 +642,10 @@ LPECopyRotate::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & p
     divider.appendNew<Geom::LineSegment>(line_end);
     Piecewise<D2<SBasis> > output;
     Affine pre = Translate(-origin) * Rotate(-rad_from_deg(starting_angle));
+    PathVector const original_pathv = pathv_to_linear_and_cubic_beziers(path_from_piecewise(remove_short_cuts(pwd2_in, 0.1), 0.001));
     if (fuse_paths) {
         Geom::PathVector path_out;
         Geom::PathVector tmp_path;
-        PathVector const original_pathv = path_from_piecewise(remove_short_cuts(pwd2_in, 0.1), 0.001);
         for (Geom::PathVector::const_iterator path_it = original_pathv.begin(); path_it != original_pathv.end(); ++path_it) {
             if (path_it->empty()) {
                 continue;
@@ -403,7 +672,7 @@ LPECopyRotate::doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & p
             output = paths_to_pw(path_out);
         }
     } else {
-        Geom::PathVector output_pv = path_from_piecewise(output , 0.01);
+        Geom::PathVector output_pv;
         for (int i = 0; i < num_copies; ++i) {
             Rotate rot(-rad_from_deg(rotation_angle * i));
             Affine t = pre * rot * Translate(origin);
@@ -449,6 +718,23 @@ LPECopyRotate::resetDefaults(SPItem const* item)
     original_bbox(SP_LPE_ITEM(item));
 }
 
+void
+LPECopyRotate::doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/)
+{
+    processObjects(LPE_VISIBILITY);
+}
+
+void 
+LPECopyRotate::doOnRemove (SPLPEItem const* /*lpeitem*/)
+{
+    //unset "erase_extra_objects" hook on sp-lpe-item.cpp
+    if (!erase_extra_objects) {
+        processObjects(LPE_TO_OBJECTS);
+        return;
+    }
+    processObjects(LPE_ERASE);
+}
+
 } //namespace LivePathEffect
 } /* namespace Inkscape */
 
diff --git a/src/live_effects/lpe-copy_rotate.h b/src/live_effects/lpe-copy_rotate.h
index c2ae2daf1..dbec2e1c3 100644
--- a/src/live_effects/lpe-copy_rotate.h
+++ b/src/live_effects/lpe-copy_rotate.h
@@ -15,6 +15,8 @@
  */
 
 #include "live_effects/effect.h"
+#include "live_effects/parameter/parameter.h"
+#include "live_effects/parameter/text.h"
 #include "live_effects/parameter/point.h"
 #include "live_effects/lpegroupbbox.h"
 
@@ -26,13 +28,20 @@ public:
     LPECopyRotate(LivePathEffectObject *lpeobject);
     virtual ~LPECopyRotate();
     virtual void doOnApply (SPLPEItem const* lpeitem);
+    virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
     virtual Geom::Piecewise<Geom::D2<Geom::SBasis> > doEffect_pwd2 (Geom::Piecewise<Geom::D2<Geom::SBasis> > const & pwd2_in);
     virtual void doBeforeEffect (SPLPEItem const* lpeitem);
+    virtual void doAfterEffect (SPLPEItem const* lpeitem);
     virtual void setFusion(Geom::PathVector &path_in, Geom::Path divider, double sizeDivider);
     virtual void split(Geom::PathVector &path_in, Geom::Path const &divider);
     virtual void resetDefaults(SPItem const* item);
     virtual void transform_multiply(Geom::Affine const& postmul, bool set);
+    virtual void doOnRemove (SPLPEItem const* /*lpeitem*/);
+    virtual void doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/);
     virtual Gtk::Widget * newWidget();
+    void toItem(Geom::Affine transform, size_t i, bool reset);
+    void cloneD(SPObject *origin, SPObject *dest, bool root, bool reset);
+    void resetStyles();
 protected:
     virtual void addCanvasIndicators(SPLPEItem const *lpeitem, std::vector<Geom::PathVector> &hp_vec);
 
@@ -42,9 +51,11 @@ private:
     ScalarParam starting_angle;
     ScalarParam rotation_angle;
     ScalarParam num_copies;
+    ScalarParam split_gap;
     BoolParam copies_to_360;
     BoolParam fuse_paths;
     BoolParam join_paths;
+    BoolParam split_items;
     Geom::Point A;
     Geom::Point B;
     Geom::Point dir;
@@ -52,6 +63,9 @@ private:
     Geom::Point rot_pos;
     Geom::Point previous_start_point;
     double dist_angle_handle;
+    double previous_num_copies;
+    bool reset;
+    SPObject * container;
     LPECopyRotate(const LPECopyRotate&);
     LPECopyRotate& operator=(const LPECopyRotate&);
 };
diff --git a/src/live_effects/lpe-measure-line.cpp b/src/live_effects/lpe-measure-line.cpp
index af2a8e919..ef87be81c 100644
--- a/src/live_effects/lpe-measure-line.cpp
+++ b/src/live_effects/lpe-measure-line.cpp
@@ -21,7 +21,9 @@
 #include "svg/svg-color.h"
 #include "svg/svg.h"
 #include "display/curve.h"
+#include "helper/geom.h"
 #include "2geom/affine.h"
+#include "path-chemistry.h"
 #include "style.h"
 #include "sp-root.h"
 #include "sp-defs.h"
@@ -165,12 +167,6 @@ LPEMeasureLine::LPEMeasureLine(LivePathEffectObject *lpeobject) :
 
 LPEMeasureLine::~LPEMeasureLine() {}
 
-void swap(Geom::Point &A, Geom::Point &B){
-    Geom::Point tmp = A;
-    A = B;
-    B = tmp;
-}
-
 void
 LPEMeasureLine::createArrowMarker(const char * mode)
 {
@@ -229,7 +225,7 @@ LPEMeasureLine::createArrowMarker(const char * mode)
         elemref = SP_OBJECT(document->getDefs()->appendChildRepr(arrow));
         Inkscape::GC::release(arrow);
     }
-    elements.push_back(mode);
+    items.push_back(mode);
 }
 
 void
@@ -369,7 +365,7 @@ LPEMeasureLine::createTextLabel(Geom::Point pos, double length, Geom::Coord angl
         copy->setAttribute("id", id);
         elemref = elemref_copy;
     }
-    elements.push_back(id);
+    items.push_back(id);
     Geom::OptRect bounds = SP_ITEM(elemref)->bounds(SPItem::GEOMETRIC_BBOX);
     if (bounds) {
         anotation_width = bounds->width() * 1.4;
@@ -483,7 +479,7 @@ LPEMeasureLine::createLine(Geom::Point start,Geom::Point end, const char * id, b
         elemref->deleteObject();
         copy->setAttribute("id", id);
     }
-    elements.push_back(id);
+    items.push_back(id);
 }
 
 void
@@ -535,7 +531,7 @@ LPEMeasureLine::doBeforeEffect (SPLPEItem const* lpeitem)
             sp_lpe_item->getCurrentLPE() != this){
             return;
         }
-        elements.clear();
+        items.clear();
         start_stored = start;
         end_stored = end;
         Geom::Point hstart = start;
@@ -680,60 +676,12 @@ LPEMeasureLine::doOnRemove (SPLPEItem const* /*lpeitem*/)
     //unset "erase_extra_objects" hook on sp-lpe-item.cpp
     if (!erase_extra_objects) {
         processObjects(LPE_TO_OBJECTS);
-        elements.clear();
+        items.clear();
         return;
     }
     processObjects(LPE_ERASE);
 }
 
-void 
-LPEMeasureLine::processObjects(LpeAction lpe_action)
-{
-    SPDocument * document = SP_ACTIVE_DOCUMENT;
-    for (std::vector<const char *>::iterator el_it = elements.begin(); 
-         el_it != elements.end(); ++el_it) {
-        const char * id = *el_it;
-        if (!id || strlen(id) == 0) {
-            return;
-        }
-        SPObject *elemref = NULL;
-        if (elemref = document->getObjectById(id)) {
-            SPCSSAttr *css;
-            Glib::ustring css_str;
-            switch (lpe_action){
-            case LPE_TO_OBJECTS:
-                elemref->getRepr()->setAttribute("inkscape:path-effect", NULL);
-                elemref->getRepr()->setAttribute("sodipodi:insensitive", NULL);
-                break;
-
-            case LPE_ERASE:
-                if (std::strcmp(elemref->getId(),id_origin.param_getSVGValue()) != 0) {
-                    elemref->deleteObject();
-                }
-                break;
-
-            case LPE_VISIBILITY:
-                css = sp_repr_css_attr_new();
-                sp_repr_css_attr_add_from_string(css, elemref->getRepr()->attribute("style"));
-                if (!this->isVisible() && std::strcmp(elemref->getId(),id_origin.param_getSVGValue()) != 0) {
-                    css->setAttribute("display", "none");
-                } else {
-                    css->setAttribute("display", NULL);
-                }
-                sp_repr_css_write_string(css,css_str);
-                elemref->getRepr()->setAttribute("style", css_str.c_str());
-                break;
-
-            default:
-                break;
-            }
-        }
-    }
-    if (lpe_action == LPE_ERASE) {
-        elements.clear();
-    }
-}
-
 Gtk::Widget *LPEMeasureLine::newWidget()
 {
     // use manage here, because after deletion of Effect object, others might
diff --git a/src/live_effects/lpe-measure-line.h b/src/live_effects/lpe-measure-line.h
index c69921a4d..724c0d924 100644
--- a/src/live_effects/lpe-measure-line.h
+++ b/src/live_effects/lpe-measure-line.h
@@ -35,12 +35,6 @@ enum OrientationMethod {
     OM_END
 };
 
-enum LpeAction {
-    LPE_ERASE = 0,
-    LPE_TO_OBJECTS,
-    LPE_VISIBILITY
-};
-
 class LPEMeasureLine : public Effect {
 public:
     LPEMeasureLine(LivePathEffectObject *lpeobject);
@@ -51,7 +45,6 @@ public:
     virtual void doEffect (SPCurve * curve){}; //stop the chain
     virtual void doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/);
     virtual Geom::PathVector doEffect_path(Geom::PathVector const &path_in);
-    void processObjects(LpeAction lpe_action);
     void createLine(Geom::Point start,Geom::Point end, const char * id, bool main, bool overflow, bool remove, bool arrows = false);
     void createTextLabel(Geom::Point pos, double length, Geom::Coord angle, bool remove, bool valid);
     void onExpanderChanged();
@@ -92,7 +85,6 @@ private:
     double arrow_gap;
     Geom::Point start_stored;
     Geom::Point end_stored; 
-    std::vector<const char *> elements;
 /*    Geom::Affine affine_over;*/
     LPEMeasureLine(const LPEMeasureLine &);
     LPEMeasureLine &operator=(const LPEMeasureLine &);
diff --git a/src/live_effects/lpe-mirror_symmetry.cpp b/src/live_effects/lpe-mirror_symmetry.cpp
index 61b2b8b5c..7f0a93c52 100644
--- a/src/live_effects/lpe-mirror_symmetry.cpp
+++ b/src/live_effects/lpe-mirror_symmetry.cpp
@@ -15,11 +15,22 @@
  */
 
 #include <gtkmm.h>
+#include "live_effects/lpeobject.h"
+#include "live_effects/lpeobject-reference.h"
 #include "live_effects/lpe-mirror_symmetry.h"
-#include <display/curve.h>
-#include <svg/path-string.h>
+#include "display/curve.h"
+#include "svg/path-string.h"
+#include "svg/svg.h"
+#include "sp-defs.h"
 #include "helper/geom.h"
-#include <2geom/path-intersection.h>
+#include "2geom/intersection-graph.h"
+#include "2geom/path-intersection.h"
+#include "2geom/affine.h"
+#include "helper/geom.h"
+#include "sp-lpe-item.h"
+#include "path-chemistry.h"
+#include "style.h"
+#include "xml/sp-css-attr.h"
 
 // TODO due to internal breakage in glibmm headers, this must be last:
 #include <glibmm/i18n.h>
@@ -40,73 +51,69 @@ MTConverter(ModeTypeData, MT_END);
 LPEMirrorSymmetry::LPEMirrorSymmetry(LivePathEffectObject *lpeobject) :
     Effect(lpeobject),
     mode(_("Mode"), _("Symmetry move mode"), "mode", MTConverter, &wr, this, MT_FREE),
+    split_gap(_("Gap on split"), _("Gap on split"), "split_gap", &wr, this, -0.001),
     discard_orig_path(_("Discard original path"), _("Check this to only keep the mirrored part of the path"), "discard_orig_path", &wr, this, false),
     fuse_paths(_("Fuse paths"), _("Fuse original and the reflection into a single path"), "fuse_paths", &wr, this, false),
     oposite_fuse(_("Opposite fuse"), _("Picks the other side of the mirror as the original"), "oposite_fuse", &wr, this, false),
+    split_items(_("Split elements"), _("Split elements, this allow gradients and other paints."), "split_items", &wr, this, false),
     start_point(_("Start mirror line"), _("Start mirror line"), "start_point", &wr, this, _("Adjust start of mirroring")),
     end_point(_("End mirror line"), _("End mirror line"), "end_point", &wr, this, _("Adjust end of mirroring")),
-    center_point(_("Center mirror line"), _("Center mirror line"), "center_point", &wr, this, _("Adjust center of mirroring"))
+    center_point(_("Center mirror line"), _("Center mirror line"), "center_point", &wr, this, _("Adjust center of mirroring")),
+    id_origin("id origin", "store the id of the first LPEItem", "id_origin", &wr, this,"")
 {
     show_orig_path = true;
     registerParameter(&mode);
-    registerParameter( &discard_orig_path);
-    registerParameter( &fuse_paths);
-    registerParameter( &oposite_fuse);
-    registerParameter( &start_point);
-    registerParameter( &end_point);
-    registerParameter( &center_point);
-    previous_center = Geom::Point(0,0);
+    registerParameter(&split_gap);
+    registerParameter(&discard_orig_path);
+    registerParameter(&fuse_paths);
+    registerParameter(&oposite_fuse);
+    registerParameter(&split_items);
+    registerParameter(&start_point);
+    registerParameter(&end_point);
+    registerParameter(&center_point);
+    registerParameter(&id_origin);
+    id_origin.param_hide_canvas_text();
+    split_gap.param_set_range(-999999.0, 999999.0);
+    split_gap.param_set_increments(0.1, 0.1);
+    split_gap.param_set_digits(5);
     apply_to_clippath_and_mask = true;
+    previous_center = Geom::Point(0,0);
 }
 
 LPEMirrorSymmetry::~LPEMirrorSymmetry()
 {
 }
 
-Gtk::Widget * LPEMirrorSymmetry::newWidget()
+void
+LPEMirrorSymmetry::doAfterEffect (SPLPEItem const* lpeitem)
 {
-    // use manage here, because after deletion of Effect object, others might
-    // still be pointing to this widget.
-    Gtk::VBox *vbox = Gtk::manage(new Gtk::VBox(Effect::newWidget()));
-
-    vbox->set_border_width(5);
-    vbox->set_homogeneous(false);
-    vbox->set_spacing(2);
-
-    std::vector<Parameter *>::iterator it = param_vector.begin();
-    while (it != param_vector.end()) {
-        if ((*it)->widget_is_visible) {
-            Parameter *param = *it;
-            Gtk::Widget *widg = dynamic_cast<Gtk::Widget *>(param->param_newWidget());
-            Glib::ustring *tip = param->param_getTooltip();
-            if (widg) {
-                if (param->param_key != "center_point") {
-                    vbox->pack_start(*widg, true, true, 2);
-                    if (tip) {
-                        widg->set_tooltip_text(*tip);
-                    } else {
-                        widg->set_tooltip_text("");
-                        widg->set_has_tooltip(false);
-                    }
-                }
-            }
+    if (split_items && !discard_orig_path) {
+        container = dynamic_cast<SPObject *>(sp_lpe_item->parent);
+        SPDocument * doc = SP_ACTIVE_DOCUMENT;
+        Inkscape::XML::Node *root = sp_lpe_item->document->getReprRoot();
+        Inkscape::XML::Node *root_origin = doc->getReprRoot();
+        if (root_origin != root) {
+            return;
         }
-
-        ++it;
+        Geom::Line ls((Geom::Point)start_point, (Geom::Point)end_point);
+        Geom::Affine m = Geom::reflection (ls.vector(), (Geom::Point)start_point);
+        m = m * sp_lpe_item->transform;
+        toMirror(m);
+    } else {
+        processObjects(LPE_ERASE);
+        items.clear();
     }
-    return dynamic_cast<Gtk::Widget *>(vbox);
 }
 
-
 void
 LPEMirrorSymmetry::doBeforeEffect (SPLPEItem const* lpeitem)
 {
+
     using namespace Geom;
     original_bbox(lpeitem);
     //center_point->param_set_liveupdate(false);
     Point point_a(boundingbox_X.max(), boundingbox_Y.min());
     Point point_b(boundingbox_X.max(), boundingbox_Y.max());
-    Point point_c(boundingbox_X.max(), boundingbox_Y.middle());
     if (mode == MT_Y) {
         point_a = Geom::Point(boundingbox_X.min(),center_point[Y]);
         point_b = Geom::Point(boundingbox_X.max(),center_point[Y]);
@@ -173,6 +180,172 @@ LPEMirrorSymmetry::doBeforeEffect (SPLPEItem const* lpeitem)
 }
 
 void
+LPEMirrorSymmetry::cloneD(SPObject *origin, SPObject *dest, bool live, bool root) 
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    Inkscape::XML::Document *xml_doc = document->getReprDoc();
+    if ( SP_IS_GROUP(origin) && SP_IS_GROUP(dest) && SP_GROUP(origin)->getItemCount() == SP_GROUP(dest)->getItemCount() ) {
+        std::vector< SPObject * > childs = origin->childList(true);
+        size_t index = 0;
+        for (std::vector<SPObject * >::iterator obj_it = childs.begin(); 
+             obj_it != childs.end(); ++obj_it) {
+            SPObject *dest_child = dest->nthChild(index); 
+            cloneD(*obj_it, dest_child, live, false); 
+            index++;
+        }
+    }
+    SPShape * shape =  SP_SHAPE(origin);
+    SPPath * path =  SP_PATH(dest);
+    if (!path && !SP_IS_GROUP(dest)) {
+        Inkscape::XML::Node *dest_node = sp_selected_item_to_curved_repr(SP_ITEM(dest), 0);
+        dest->updateRepr(xml_doc, dest_node, SP_OBJECT_WRITE_ALL);
+        path =  SP_PATH(dest);
+    }
+    if (path && shape) {
+        if ( live) {
+            SPCurve *c = NULL;
+            if (root) {
+                c = new SPCurve();
+                c->set_pathvector(pathvector_before_effect);
+            } else {
+                c = shape->getCurve();
+            }
+            if (c) {
+                path->setCurve(c, TRUE);
+                c->unref();
+            } else {
+                dest->getRepr()->setAttribute("d", NULL);
+            }
+        } else {
+            dest->getRepr()->setAttribute("d", origin->getRepr()->attribute("d"));
+        }
+    }
+}
+
+void
+LPEMirrorSymmetry::toMirror(Geom::Affine transform)
+{
+    SPDocument * document = SP_ACTIVE_DOCUMENT;
+    Inkscape::XML::Document *xml_doc = document->getReprDoc();
+    const char * id_origin_char = id_origin.param_getSVGValue();
+    const char * elemref_id = g_strdup(Glib::ustring("mirror-").append(id_origin_char).c_str());
+    items.clear();
+    items.push_back(elemref_id);
+    SPObject *elemref= NULL;
+    Inkscape::XML::Node *phantom = NULL;
+    if (elemref = document->getObjectById(elemref_id)) {
+        phantom = elemref->getRepr();
+    } else {
+        phantom = sp_lpe_item->getRepr()->duplicate(xml_doc);
+        std::vector<const char *> attrs;
+        attrs.push_back("inkscape:path-effect");
+        attrs.push_back("inkscape:original-d");
+        attrs.push_back("sodipodi:type");
+        attrs.push_back("sodipodi:rx");
+        attrs.push_back("sodipodi:ry");
+        attrs.push_back("sodipodi:cx");
+        attrs.push_back("sodipodi:cy");
+        attrs.push_back("sodipodi:end");
+        attrs.push_back("sodipodi:start");
+        attrs.push_back("inkscape:flatsided");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:rounded");
+        attrs.push_back("sodipodi:arg1");
+        attrs.push_back("sodipodi:arg2");
+        attrs.push_back("sodipodi:r1");
+        attrs.push_back("sodipodi:r2");
+        attrs.push_back("sodipodi:sides");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("sodipodi:argument");
+        attrs.push_back("sodipodi:expansion");
+        attrs.push_back("sodipodi:radius");
+        attrs.push_back("sodipodi:revolution");
+        attrs.push_back("sodipodi:t0");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("inkscape:randomized");
+        attrs.push_back("x");
+        attrs.push_back("y");
+        attrs.push_back("rx");
+        attrs.push_back("ry");
+        attrs.push_back("width");
+        attrs.push_back("height");
+        for(const char * attr : attrs) { 
+            phantom->setAttribute(attr, NULL);
+        }
+    }
+    phantom->setAttribute("id", elemref_id);
+    if (!elemref) {
+        elemref = container->appendChildRepr(phantom);
+        Inkscape::GC::release(phantom);
+    }
+    cloneD(SP_OBJECT(sp_lpe_item), elemref, true, true);
+    elemref->getRepr()->setAttribute("transform" , sp_svg_transform_write(transform));
+    if (elemref->parent != container) {
+        Inkscape::XML::Node *copy = phantom->duplicate(xml_doc);
+        copy->setAttribute("id", elemref_id);
+        container->appendChildRepr(copy);
+        Inkscape::GC::release(copy);
+        elemref->deleteObject();
+    }
+}
+
+Gtk::Widget *
+LPEMirrorSymmetry::newWidget()
+{
+    // use manage here, because after deletion of Effect object, others might
+    // still be pointing to this widget.
+    Gtk::VBox *vbox = Gtk::manage(new Gtk::VBox(Effect::newWidget()));
+    vbox->set_border_width(5);
+    vbox->set_homogeneous(false);
+    vbox->set_spacing(2);
+
+    std::vector<Parameter *>::iterator it = param_vector.begin();
+    while (it != param_vector.end()) {
+        if ((*it)->widget_is_visible) {
+            Parameter * param = *it;
+            if (param->param_key == "id_origin" || param->param_key == "center_point") {
+                ++it;
+                continue;
+            }
+            Gtk::Widget * widg = param->param_newWidget();
+            Glib::ustring * tip = param->param_getTooltip();
+            if (widg) {
+                vbox->pack_start(*widg, true, true, 2);
+                if (tip) {
+                    widg->set_tooltip_text(*tip);
+                } else {
+                    widg->set_tooltip_text("");
+                    widg->set_has_tooltip(false);
+                }
+            }
+        }
+
+        ++it;
+    }
+    this->upd_params = false;
+    return dynamic_cast<Gtk::Widget *>(vbox);
+}
+
+//TODO: Migrate the tree next function to effect.cpp/h to avoid duplication
+void
+LPEMirrorSymmetry::doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/)
+{
+    processObjects(LPE_VISIBILITY);
+}
+
+void 
+LPEMirrorSymmetry::doOnRemove (SPLPEItem const* /*lpeitem*/)
+{
+    //unset "erase_extra_objects" hook on sp-lpe-item.cpp
+    if (!erase_extra_objects) {
+        processObjects(LPE_TO_OBJECTS);
+        return;
+    }
+    processObjects(LPE_ERASE);
+}
+
+void
 LPEMirrorSymmetry::transform_multiply(Geom::Affine const& postmul, bool set)
 {
     // cycle through all parameters. Most parameters will not need transformation, but path and point params do.
@@ -193,18 +366,26 @@ LPEMirrorSymmetry::doOnApply (SPLPEItem const* lpeitem)
     Point point_a(boundingbox_X.max(), boundingbox_Y.min());
     Point point_b(boundingbox_X.max(), boundingbox_Y.max());
     Point point_c(boundingbox_X.max(), boundingbox_Y.middle());
-    start_point.param_setValue(point_a, true);
+    start_point.param_setValue(point_a);
     start_point.param_update_default(point_a);
-    end_point.param_setValue(point_b, true);
+    end_point.param_setValue(point_b);
     end_point.param_update_default(point_b);
     center_point.param_setValue(point_c, true);
     previous_center = center_point;
+    SPLPEItem * splpeitem = const_cast<SPLPEItem *>(lpeitem);
+    if (!lpeitem->hasPathEffectOfType(this->effectType(), false) ){ //first applied not ready yet
+        id_origin.param_setValue(lpeitem->getRepr()->attribute("id"));
+        id_origin.write_to_SVG();
+    }
 }
 
 
 Geom::PathVector
 LPEMirrorSymmetry::doEffect_path (Geom::PathVector const & path_in)
 {
+    if (split_items && !fuse_paths) {
+        return path_in;
+    }
     Geom::PathVector const original_pathv = pathv_to_linear_and_cubic_beziers(path_in);
     Geom::PathVector path_out;
     
@@ -214,15 +395,51 @@ LPEMirrorSymmetry::doEffect_path (Geom::PathVector const & path_in)
 
     Geom::Line line_separation((Geom::Point)start_point, (Geom::Point)end_point);
     Geom::Affine m = Geom::reflection (line_separation.vector(), (Geom::Point)start_point);
-
-    if (fuse_paths && !discard_orig_path) {
+    if (split_items && fuse_paths) {
+        Geom::OptRect bbox = sp_lpe_item->geometricBounds();
+        Geom::Path p(Geom::Point(bbox->left(), bbox->top()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->right(), bbox->top()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->right(), bbox->bottom()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->left(), bbox->bottom()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->left(), bbox->top()));
+        p.close();
+        p *= Geom::Translate(bbox->midpoint()).inverse();
+        p *= Geom::Scale(1.2);
+        p *= Geom::Rotate(line_separation.angle());
+        p *= Geom::Translate(bbox->midpoint());
+        bbox = p.boundsFast();
+        p.clear();
+        p.start(Geom::Point(bbox->left(), bbox->top()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->right(), bbox->top()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->right(), bbox->bottom()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->left(), bbox->bottom()));
+        p.appendNew<Geom::LineSegment>(Geom::Point(bbox->left(), bbox->top()));
+        p.close();
+        p *= Geom::Translate(bbox->midpoint()).inverse();
+        p *= Geom::Rotate(line_separation.angle());
+        p *= Geom::Translate(bbox->midpoint());
+        Geom::Point base(p.pointAt(3));
+        if (oposite_fuse) {
+            base = p.pointAt(0);
+        }
+        p *= Geom::Translate(line_separation.pointAt(line_separation.nearestTime(base)) - base);
+        Geom::PathVector pv_bbox;
+        pv_bbox.push_back(p);
+        Geom::PathIntersectionGraph *pig = new Geom::PathIntersectionGraph(pv_bbox, original_pathv);
+        if (pig && !original_pathv.empty() && !pv_bbox.empty()) {
+            path_out = pig->getBminusA();
+        }
+        Geom::Point dir = rot90(unit_vector((Geom::Point)end_point - (Geom::Point)start_point));
+        Geom::Point gap = dir * split_gap;
+        path_out *= Geom::Translate(gap);
+    } else if (fuse_paths && !discard_orig_path) {
         for (Geom::PathVector::const_iterator path_it = original_pathv.begin();
              path_it != original_pathv.end(); ++path_it) 
         {
             if (path_it->empty()) {
                 continue;
             }
-            Geom::PathVector tmp_path;
+            Geom::PathVector tmp_pathvector;
             double time_start = 0.0;
             int position = 0;
             bool end_open = false;
@@ -268,11 +485,11 @@ LPEMirrorSymmetry::doEffect_path (Geom::PathVector const & path_in)
                             Geom::Path mirror = portion.reversed() * m;
                             mirror.setInitial(portion.finalPoint());
                             portion.append(mirror);
-                            if(i!=0) {
+                            if(i != 0) {
                                 portion.setFinal(portion.initialPoint());
                                 portion.close();
                             }
-                            tmp_path.push_back(portion);
+                            tmp_pathvector.push_back(portion);
                         }
                         portion.clear();
                     }
@@ -293,36 +510,33 @@ LPEMirrorSymmetry::doEffect_path (Geom::PathVector const & path_in)
                         portion.append(mirror);
                         portion = portion.reversed();
                         if (!original.closed()) {
-                            tmp_path.push_back(portion);
+                            tmp_pathvector.push_back(portion);
                         } else {
-                            if (cs.size() > 1 && tmp_path.size() > 0 && tmp_path[0].size() > 0 ) {
-                                portion.setFinal(tmp_path[0].initialPoint());
-                                portion.setInitial(tmp_path[0].finalPoint());
-                                tmp_path[0].append(portion);
+                            if (cs.size() > 1 && tmp_pathvector.size() > 0 && tmp_pathvector[0].size() > 0 ) {
+                                portion.setFinal(tmp_pathvector[0].initialPoint());
+                                portion.setInitial(tmp_pathvector[0].finalPoint());
+                                tmp_pathvector[0].append(portion);
                             } else {
-                                tmp_path.push_back(portion);
+                                tmp_pathvector.push_back(portion);
                             }
-                            tmp_path[0].close();
+                            tmp_pathvector[0].close();
                         }
                         portion.clear();
                     }
                 }
             }
             if (cs.size() == 0 && position == 1) {
-                tmp_path.push_back(original);
-                tmp_path.push_back(original * m);
+                tmp_pathvector.push_back(original);
+                tmp_pathvector.push_back(original * m);
             }
-            path_out.insert(path_out.end(), tmp_path.begin(), tmp_path.end());
-            tmp_path.clear();
+            path_out.insert(path_out.end(), tmp_pathvector.begin(), tmp_pathvector.end());
+            tmp_pathvector.clear();
         }
-    }
-
-    if (!fuse_paths || discard_orig_path) {
+    } else if (!fuse_paths || discard_orig_path) {
         for (size_t i = 0; i < original_pathv.size(); ++i) {
             path_out.push_back(original_pathv[i] * m);
         }
     }
-
     return path_out;
 }
 
diff --git a/src/live_effects/lpe-mirror_symmetry.h b/src/live_effects/lpe-mirror_symmetry.h
index b4967173a..592a11894 100644
--- a/src/live_effects/lpe-mirror_symmetry.h
+++ b/src/live_effects/lpe-mirror_symmetry.h
@@ -18,8 +18,8 @@
 
 #include "live_effects/effect.h"
 #include "live_effects/parameter/parameter.h"
+#include "live_effects/parameter/text.h"
 #include "live_effects/parameter/point.h"
-#include "live_effects/parameter/path.h"
 #include "live_effects/parameter/enum.h"
 #include "live_effects/lpegroupbbox.h"
 
@@ -41,23 +41,32 @@ public:
     virtual ~LPEMirrorSymmetry();
     virtual void doOnApply (SPLPEItem const* lpeitem);
     virtual void doBeforeEffect (SPLPEItem const* lpeitem);
+    virtual void doAfterEffect (SPLPEItem const* lpeitem);
     virtual void transform_multiply(Geom::Affine const& postmul, bool set);
     virtual Geom::PathVector doEffect_path (Geom::PathVector const & path_in);
+    virtual void doOnRemove (SPLPEItem const* /*lpeitem*/);
+    virtual void doOnVisibilityToggled(SPLPEItem const* /*lpeitem*/);
     virtual Gtk::Widget * newWidget();
+    void toMirror(Geom::Affine transform);
+    //    void cloneAttrbutes(Inkscape::XML::Node * origin, Inkscape::XML::Node * dest, const char * first_attribute, ...);
+    void cloneD(SPObject *origin, SPObject *dest, bool live, bool root);
 
 protected:
     virtual void addCanvasIndicators(SPLPEItem const *lpeitem, std::vector<Geom::PathVector> &hp_vec);
 
 private:
     EnumParam<ModeType> mode;
+    ScalarParam split_gap;
     BoolParam discard_orig_path;
     BoolParam fuse_paths;
     BoolParam oposite_fuse;
+    BoolParam split_items;
     PointParam start_point;
     PointParam end_point;
     PointParam center_point;
+    TextParam id_origin;
     Geom::Point previous_center;
-
+    SPObject * container;
     LPEMirrorSymmetry(const LPEMirrorSymmetry&);
     LPEMirrorSymmetry& operator=(const LPEMirrorSymmetry&);
 };
diff --git a/src/live_effects/parameter/bool.cpp b/src/live_effects/parameter/bool.cpp
index af99ef362..813c06b4e 100644
--- a/src/live_effects/parameter/bool.cpp
+++ b/src/live_effects/parameter/bool.cpp
@@ -72,7 +72,7 @@ BoolParam::param_newWidget()
         checkwdg->setActive(value);
         checkwdg->setProgrammatically = false;
         checkwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change bool parameter"));
-
+        param_effect->upd_params = false;
         return dynamic_cast<Gtk::Widget *> (checkwdg);
     } else {
         return NULL;
@@ -82,6 +82,7 @@ BoolParam::param_newWidget()
 void
 BoolParam::param_setValue(bool newvalue)
 {
+    param_effect->upd_params = true;
     value = newvalue;
 }
 
diff --git a/src/live_effects/parameter/text.cpp b/src/live_effects/parameter/text.cpp
index 8cab68ad0..5c4cdf4c6 100644
--- a/src/live_effects/parameter/text.cpp
+++ b/src/live_effects/parameter/text.cpp
@@ -125,13 +125,14 @@ TextParam::param_newWidget()
     rsu->setProgrammatically = false;
 
     rsu->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change text parameter"));
-
+    param_effect->upd_params = false;
     return dynamic_cast<Gtk::Widget *> (rsu);
 }
 
 void
 TextParam::param_setValue(const Glib::ustring newvalue)
 {
+    param_effect->upd_params = true;
     value = newvalue;
     if (!_hide_canvas_text) {
         sp_canvastext_set_text (canvas_text, newvalue.c_str());