Fixing node creations in BSpline mode.

(bzr r11950.4.1)

5 files changed, 28 insertions, 41 deletions

diff --git a/src/ui/tool/curve-drag-point.cpp b/src/ui/tool/curve-drag-point.cpp
index 40dcb5058..fce19f9ad 100644
--- a/src/ui/tool/curve-drag-point.cpp
+++ b/src/ui/tool/curve-drag-point.cpp
@@ -54,7 +54,7 @@ bool CurveDragPoint::grabbed(GdkEventMotion */*event*/)
         // delta is a vector equal 1/3 of distance from first to second
         Geom::Point delta = (second->position() - first->position()) / 3.0;
         //BSpline
-        if(!_pm.isBSpline()){
+        if(!_pm.isBSpline){
             first->front()->move(first->front()->position() + delta);
             second->back()->move(second->back()->position() - delta);
         }
@@ -91,7 +91,7 @@ void CurveDragPoint::dragged(Geom::Point &new_pos, GdkEventMotion *event)
     Geom::Point offset0 = ((1-weight)/(3*t*(1-t)*(1-t))) * delta;
     Geom::Point offset1 = (weight/(3*t*t*(1-t))) * delta;
     //BSpline
-    if(!_pm.isBSpline()){
+    if(!_pm.isBSpline){
         first->front()->move(first->front()->position() + offset0);
         second->back()->move(second->back()->position() + offset1);
     }else if(weight>=0.8)second->back()->move(new_pos);
diff --git a/src/ui/tool/multi-path-manipulator.h b/src/ui/tool/multi-path-manipulator.h
index 54a9b5753..01033b3e5 100644
--- a/src/ui/tool/multi-path-manipulator.h
+++ b/src/ui/tool/multi-path-manipulator.h
@@ -71,7 +71,7 @@ public:
     void setLiveObjects(bool set);
     void updateOutlineColors();
     void updateHandles();
-    
+
     sigc::signal<void> signal_coords_changed; /// Emitted whenever the coordinates
         /// shown in the status bar need updating
 private:
diff --git a/src/ui/tool/node.cpp b/src/ui/tool/node.cpp
index a1fa4e55b..e0aec8bb5 100644
--- a/src/ui/tool/node.cpp
+++ b/src/ui/tool/node.cpp
@@ -143,7 +143,7 @@ void Handle::move(Geom::Point const &new_pos)
     double pos = 0;
     Handle *h = NULL;
     Handle *h2 = NULL;
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         isBSpline = true;
         typedef ControlPointSelection::Set Set;
         Set &nodes = _parent->_selection.allPoints();
@@ -324,7 +324,7 @@ bool Handle::_eventHandler(SPEventContext *event_context, GdkEvent *event)
 
 //BSpline
 void Handle::handle_2button_press(){
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         Handle *h = NULL;
         Handle *h2 = NULL;
         double pos = 0;
@@ -386,19 +386,19 @@ void Handle::dragged(Geom::Point &new_pos, GdkEventMotion *event)
         }
         new_pos = result;
         //BSpline
-        if(_pm().isBSpline()){
+        if(_pm().isBSpline){
             Handle *h = NULL;
             double pos = 0;
             h = this;
             setPosition(new_pos);
-            pos = ceilf(_pm().BSplineHandlePosition(h)*_pm().getControlBsplineSteps())/_pm().getControlBsplineSteps();
+            pos = ceilf(_pm().BSplineHandlePosition(h)*_pm().controlBSplineSteps)/_pm().controlBSplineSteps;
             new_pos=_pm().BSplineHandleReposition(h,pos);
         }
         //BSpline End
     }
 
     std::vector<Inkscape::SnapCandidatePoint> unselected;
-    if (snap && ( (!held_control(*event) && _pm().isBSpline()) || !_pm().isBSpline())) {
+    if (snap && ( (!held_control(*event) && _pm().isBSpline) || !_pm().isBSpline)) {
         ControlPointSelection::Set &nodes = _parent->_selection.allPoints();
         for (ControlPointSelection::Set::iterator i = nodes.begin(); i != nodes.end(); ++i) {
             Node *n = static_cast<Node*>(*i);
@@ -625,7 +625,7 @@ void Node::move(Geom::Point const &new_pos)
     Node *n = this;
     Node * nextNode = n->nodeToward(n->front());
     Node * prevNode = n->nodeToward(n->back());
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         if(prevNode)
             prevPos = _pm().BSplineHandlePosition(prevNode->front());
         pos = _pm().BSplineHandlePosition(n->front());
@@ -637,7 +637,7 @@ void Node::move(Geom::Point const &new_pos)
     //BSpline End
     setPosition(new_pos);
     //BSpline
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         if(prevNode)
             prevNode->front()->setPosition(_pm().BSplineHandleReposition(prevNode->front(),prevPos));
         if(nextNode)
@@ -651,7 +651,7 @@ void Node::move(Geom::Point const &new_pos)
     // with the segment
     _fixNeighbors(old_pos, new_pos);
     //BSpline
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         Handle* front = &_front;
         Handle* back = &_back;
         _front.setPosition(_pm().BSplineHandleReposition(front,pos));
@@ -774,7 +774,7 @@ void Node::setType(NodeType type, bool update_handles)
     }
 
     //BSpline
-    if(_pm().isBSpline()){
+    if(_pm().isBSpline){
         if (isEndNode()) return;
         Handle* front = &_front;
         Handle* back = &_back;
diff --git a/src/ui/tool/path-manipulator.cpp b/src/ui/tool/path-manipulator.cpp
index 853d9336a..e789d5447 100644
--- a/src/ui/tool/path-manipulator.cpp
+++ b/src/ui/tool/path-manipulator.cpp
@@ -149,6 +149,19 @@ PathManipulator::PathManipulator(MultiPathManipulator &mpm, SPPath *path,
         sigc::hide( sigc::mem_fun(*this, &PathManipulator::_updateOutlineOnZoomChange)));
 
     _createControlPointsFromGeometry();
+
+    LivePathEffect::LPEBSpline *lpe_bsp = NULL;
+    if (SP_LPE_ITEM(_path) && sp_lpe_item_has_path_effect(SP_LPE_ITEM(_path))){
+        Inkscape::LivePathEffect::Effect* thisEffect = sp_lpe_item_has_path_effect_of_type(SP_LPE_ITEM(_path),Inkscape::LivePathEffect::BSPLINE);
+        if(thisEffect){
+            lpe_bsp = dynamic_cast<LivePathEffect::LPEBSpline*>(thisEffect->getLPEObj()->get_lpe());
+        }
+    }
+    isBSpline = false;
+    if(lpe_bsp){
+        isBSpline = true;
+        controlBSplineSteps = lpe_bsp->steps+1;
+    }
 }
 
 PathManipulator::~PathManipulator()
@@ -897,7 +910,7 @@ void PathManipulator::showHandles(bool show)
 void PathManipulator::showOutline(bool show)
 {
     //BSpline
-    if(isBSpline()) show = true;
+    if(isBSpline) show = true;
     //BSpline
     if (show == _show_outline) return;
     _show_outline = show;
@@ -1172,30 +1185,6 @@ void PathManipulator::_createControlPointsFromGeometry()
     }
 }
 
-
-bool PathManipulator::isBSpline(){
-    LivePathEffect::LPEBSpline *lpe_bsp = NULL;
-    if (SP_LPE_ITEM(_path) && sp_lpe_item_has_path_effect(SP_LPE_ITEM(_path))){
-            lpe_bsp = dynamic_cast<LivePathEffect::LPEBSpline*>(sp_lpe_item_has_path_effect_of_type(SP_LPE_ITEM(_path),Inkscape::LivePathEffect::BSPLINE)->getLPEObj()->get_lpe());
-    }else{
-        lpe_bsp = NULL;
-    }
-    if(lpe_bsp){
-        return true;
-    }
-    return false;
-}
-
-int PathManipulator::getControlBsplineSteps(){
-    LivePathEffect::LPEBSpline *lpe_bsp = NULL;
-    if (SP_LPE_ITEM(_path) && sp_lpe_item_has_path_effect(SP_LPE_ITEM(_path))){
-            lpe_bsp = dynamic_cast<LivePathEffect::LPEBSpline*>(sp_lpe_item_has_path_effect_of_type(SP_LPE_ITEM(_path),Inkscape::LivePathEffect::BSPLINE)->getLPEObj()->get_lpe());
-        if(lpe_bsp){
-            return lpe_bsp->steps+1;
-        }
-    }
-    return 2;
-}
 double PathManipulator::BSplineHandlePosition(Handle *h){
     using Geom::X;
     using Geom::Y;
diff --git a/src/ui/tool/path-manipulator.h b/src/ui/tool/path-manipulator.h
index 79db1a1c1..c9030b7bd 100644
--- a/src/ui/tool/path-manipulator.h
+++ b/src/ui/tool/path-manipulator.h
@@ -89,9 +89,6 @@ public:
     void updateHandles();
     void setControlsTransform(Geom::Affine const &);
     void hideDragPoint();
-    //BSpline
-    int getControlBsplineSteps();
-    //BSpline End
     MultiPathManipulator &mpm() { return _multi_path_manipulator; }
 
     NodeList::iterator subdivideSegment(NodeList::iterator after, double t);
@@ -108,7 +105,8 @@ private:
 
     void _createControlPointsFromGeometry();
     //BSpline
-    bool isBSpline();
+    int controlBSplineSteps;
+    bool isBSpline;
     double BSplineHandlePosition(Handle *h);
     Geom::Point BSplineHandleReposition(Handle *h);
     Geom::Point BSplineHandleReposition(Handle *h,double pos);