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-rw-r--r--src/ui/tool/node.cpp107
1 files changed, 42 insertions, 65 deletions
diff --git a/src/ui/tool/node.cpp b/src/ui/tool/node.cpp
index ca6f5abb1..d70147f80 100644
--- a/src/ui/tool/node.cpp
+++ b/src/ui/tool/node.cpp
@@ -60,10 +60,8 @@ Inkscape::ControlType nodeTypeToCtrlType(Inkscape::UI::NodeType type)
namespace Inkscape {
namespace UI {
-/*const double handleCubicGap = 0.01;*/
-const double noPower = 0.0;
-const double defaultStartPower = 0.3334;
-/*const double defaultEndPower = 0.6667;*/
+const double NO_POWER = 0.0;
+const double DEFAULT_START_POWER = 1.0/3.0;
ControlPoint::ColorSet Node::node_colors = {
{0xbfbfbf00, 0x000000ff}, // normal fill, stroke
@@ -142,6 +140,7 @@ void Handle::move(Geom::Point const &new_pos)
Node *node_away = _parent->nodeAwayFrom(this); // node in the opposite direction
Handle *towards = node_towards ? node_towards->handleAwayFrom(_parent) : NULL;
Handle *towards_second = node_towards ? node_towards->handleToward(_parent) : NULL;
+ double bspline_weight = 0.0;
if (Geom::are_near(new_pos, _parent->position())) {
// The handle becomes degenerate.
@@ -176,8 +175,9 @@ void Handle::move(Geom::Point const &new_pos)
//move the handler and its oposite the same proportion
if(_pm()._isBSpline()){
- setPosition(_pm()._bsplineHandleReposition(this,this));
- this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(),this));
+ setPosition(_pm()._bsplineHandleReposition(this, false));
+ bspline_weight = _pm()._bsplineHandlePosition(this, false);
+ this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(), bspline_weight));
}
return;
}
@@ -193,8 +193,9 @@ void Handle::move(Geom::Point const &new_pos)
//move the handler and its oposite the same proportion
if(_pm()._isBSpline()){
- setPosition(_pm()._bsplineHandleReposition(this,this));
- this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(),this));
+ setPosition(_pm()._bsplineHandleReposition(this, false));
+ bspline_weight = _pm()._bsplineHandlePosition(this, false);
+ this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(), bspline_weight));
}
return;
@@ -219,8 +220,9 @@ void Handle::move(Geom::Point const &new_pos)
// moves the handler and its oposite the same proportion
if(_pm()._isBSpline()){
- setPosition(_pm()._bsplineHandleReposition(this,this));
- this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(),this));
+ setPosition(_pm()._bsplineHandleReposition(this, false));
+ bspline_weight = _pm()._bsplineHandlePosition(this, false);
+ this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(), bspline_weight));
}
}
@@ -299,7 +301,7 @@ bool Handle::_eventHandler(Inkscape::UI::Tools::ToolBase *event_context, GdkEven
default: break;
}
break;
- // new double click event to set the handlers of a node to the default proportion, defaultStartPower%
+ // new double click event to set the handlers of a node to the default proportion, DEFAULT_START_POWER%
case GDK_2BUTTON_PRESS:
handle_2button_press();
break;
@@ -310,11 +312,11 @@ bool Handle::_eventHandler(Inkscape::UI::Tools::ToolBase *event_context, GdkEven
return ControlPoint::_eventHandler(event_context, event);
}
-//this function moves the handler and its oposite to the default proportion of defaultStartPower
+//this function moves the handler and its oposite to the default proportion of DEFAULT_START_POWER
void Handle::handle_2button_press(){
if(_pm()._isBSpline()){
- setPosition(_pm()._bsplineHandleReposition(this,defaultStartPower));
- this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(),defaultStartPower));
+ setPosition(_pm()._bsplineHandleReposition(this, DEFAULT_START_POWER));
+ this->other()->setPosition(_pm()._bsplineHandleReposition(this->other(), DEFAULT_START_POWER));
_pm().update();
}
}
@@ -375,7 +377,7 @@ void Handle::dragged(Geom::Point &new_pos, GdkEventMotion *event)
if(_pm()._isBSpline()){
setPosition(new_pos);
int steps = _pm()._bsplineGetSteps();
- new_pos=_pm()._bsplineHandleReposition(this,ceilf(_pm()._bsplineHandlePosition(this,this)*steps)/steps);
+ new_pos=_pm()._bsplineHandleReposition(this,ceilf(_pm()._bsplineHandlePosition(this, false)*steps)/steps);
}
}
@@ -549,7 +551,7 @@ Glib::ustring Handle::_getTip(unsigned state) const
"<b>Auto node handle</b>: drag to convert to smooth node (%s)"), more);
}else{
return format_tip(C_("Path handle tip",
- "<b>BSpline node handle</b>: Shift to drag, double click to reset (%s). %g power"),more,_pm()._bsplineHandlePosition(h,NULL));
+ "<b>BSpline node handle</b>: Shift to drag, double click to reset (%s). %g power"),more,_pm()._bsplineHandlePosition(h));
}
}
}
@@ -627,22 +629,18 @@ void Node::move(Geom::Point const &new_pos)
Geom::Point delta = new_pos - position();
// save the previous nodes strength to apply it again once the node is moved
- double nodeWeight = noPower;
- double nextNodeWeight = noPower;
- double prevNodeWeight = noPower;
+ double nodeWeight = NO_POWER;
+ double nextNodeWeight = NO_POWER;
+ double prevNodeWeight = NO_POWER;
Node *n = this;
Node * nextNode = n->nodeToward(n->front());
Node * prevNode = n->nodeToward(n->back());
- nodeWeight = fmax(_pm()._bsplineHandlePosition(n->front()),_pm()._bsplineHandlePosition(n->back()));
+ nodeWeight = fmax(_pm()._bsplineHandlePosition(n->front(), false),_pm()._bsplineHandlePosition(n->back(), false));
if(prevNode){
- if(prevNode->isEndNode()){
- prevNodeWeight = _pm()._bsplineHandlePosition(prevNode->front(),prevNode->front());
- }
+ prevNodeWeight = _pm()._bsplineHandlePosition(prevNode->front());
}
if(nextNode){
- if(nextNode->isEndNode()){
- nextNodeWeight = _pm()._bsplineHandlePosition(nextNode->back(),nextNode->back());
- }
+ nextNodeWeight = _pm()._bsplineHandlePosition(nextNode->back());
}
setPosition(new_pos);
@@ -659,18 +657,10 @@ void Node::move(Geom::Point const &new_pos)
_front.setPosition(_pm()._bsplineHandleReposition(this->front(),nodeWeight));
_back.setPosition(_pm()._bsplineHandleReposition(this->back(),nodeWeight));
if(prevNode){
- if(prevNode->isEndNode()){
- prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(),prevNodeWeight));
- }else{
- prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(),prevNode->back()));
- }
+ prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(), prevNodeWeight));
}
if(nextNode){
- if(nextNode->isEndNode()){
- nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(),nextNodeWeight));
- }else{
- nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(),nextNode->front()));
- }
+ nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(), nextNodeWeight));
}
}
}
@@ -681,22 +671,18 @@ void Node::transform(Geom::Affine const &m)
Geom::Point old_pos = position();
// save the previous nodes strength to apply it again once the node is moved
- double nodeWeight = noPower;
- double nextNodeWeight = noPower;
- double prevNodeWeight = noPower;
+ double nodeWeight = NO_POWER;
+ double nextNodeWeight = NO_POWER;
+ double prevNodeWeight = NO_POWER;
Node *n = this;
Node * nextNode = n->nodeToward(n->front());
Node * prevNode = n->nodeToward(n->back());
nodeWeight = _pm()._bsplineHandlePosition(n->front());
if(prevNode){
- if(prevNode->isEndNode()){
- prevNodeWeight = _pm()._bsplineHandlePosition(prevNode->front(),prevNode->front());
- }
+ prevNodeWeight = _pm()._bsplineHandlePosition(prevNode->front());
}
if(nextNode){
- if(nextNode->isEndNode()){
- nextNodeWeight = _pm()._bsplineHandlePosition(nextNode->back(),nextNode->back());
- }
+ nextNodeWeight = _pm()._bsplineHandlePosition(nextNode->back());
}
setPosition(position() * m);
@@ -709,21 +695,13 @@ void Node::transform(Geom::Affine const &m)
// move the involved handlers, first the node ones, later the adjoining ones
if(_pm()._isBSpline()){
- _front.setPosition(_pm()._bsplineHandleReposition(this->front(),nodeWeight));
- _back.setPosition(_pm()._bsplineHandleReposition(this->back(),nodeWeight));
+ _front.setPosition(_pm()._bsplineHandleReposition(this->front(), nodeWeight));
+ _back.setPosition(_pm()._bsplineHandleReposition(this->back(), nodeWeight));
if(prevNode){
- if(prevNode->isEndNode()){
- prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(),prevNodeWeight));
- }else{
- prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(),prevNode->back()));
- }
+ prevNode->front()->setPosition(_pm()._bsplineHandleReposition(prevNode->front(), prevNodeWeight));
}
if(nextNode){
- if(nextNode->isEndNode()){
- nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(),nextNodeWeight));
- }else{
- nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(),nextNode->front()));
- }
+ nextNode->back()->setPosition(_pm()._bsplineHandleReposition(nextNode->back(), nextNodeWeight));
}
}
}
@@ -913,15 +891,15 @@ void Node::setType(NodeType type, bool update_handles)
break;
default: break;
}
- /* in node type changes, about bspline traces, we can mantain them with noPower power in border mode,
+ /* in node type changes, about bspline traces, we can mantain them with NO_POWER power in border mode,
or we give them the default power in curve mode */
if(_pm()._isBSpline()){
- double weight = noPower;
- if(_pm()._bsplineHandlePosition(this->front()) != noPower ){
- weight = defaultStartPower;
+ double weight = NO_POWER;
+ if(_pm()._bsplineHandlePosition(this->front()) != NO_POWER ){
+ weight = DEFAULT_START_POWER;
}
- _front.setPosition(_pm()._bsplineHandleReposition(this->front(),weight));
- _back.setPosition(_pm()._bsplineHandleReposition(this->back(),weight));
+ _front.setPosition(_pm()._bsplineHandleReposition(this->front(), weight));
+ _back.setPosition(_pm()._bsplineHandleReposition(this->back(), weight));
}
}
_type = type;
@@ -1435,7 +1413,6 @@ Glib::ustring Node::_getTip(unsigned state) const
{
bool isBSpline = _pm()._isBSpline();
Handle *h = const_cast<Handle *>(&_front);
- Handle *h2 = const_cast<Handle *>(&_back);
if (state_held_shift(state)) {
bool can_drag_out = (_next() && _front.isDegenerate()) || (_prev() && _back.isDegenerate());
if (can_drag_out) {
@@ -1464,7 +1441,7 @@ Glib::ustring Node::_getTip(unsigned state) const
// No modifiers: assemble tip from node type
char const *nodetype = node_type_to_localized_string(_type);
- double power = _pm()._bsplineHandlePosition(h,h2);
+ double power = _pm()._bsplineHandlePosition(h);
if (_selection.transformHandlesEnabled() && selected()) {
if (_selection.size() == 1 && !isBSpline) {
return format_tip(C_("Path node tip",