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authorJabier Arraiza Cenoz <jabier.arraiza@marker.es>2013-02-19 11:08:14 +0000
committerJabiertxo Arraiza Zenotz <jtx@jtx.marker.es>2013-02-19 11:08:14 +0000
commitdfe131791aef37e26fd0358c32222dacf813864c (patch)
treee513052d3e756b099a379a89332148494295693d /src/ui/tool/path-manipulator.cpp
parentrefactor (diff)
downloadinkscape-dfe131791aef37e26fd0358c32222dacf813864c.tar.gz
inkscape-dfe131791aef37e26fd0358c32222dacf813864c.zip
Mayor refactor
(bzr r11950.1.36)
Diffstat (limited to 'src/ui/tool/path-manipulator.cpp')
-rw-r--r--src/ui/tool/path-manipulator.cpp90
1 files changed, 49 insertions, 41 deletions
diff --git a/src/ui/tool/path-manipulator.cpp b/src/ui/tool/path-manipulator.cpp
index b650987bc..c4158931a 100644
--- a/src/ui/tool/path-manipulator.cpp
+++ b/src/ui/tool/path-manipulator.cpp
@@ -1182,31 +1182,8 @@ bool PathManipulator::isBSpline(){
}
return false;
}
-double PathManipulator::BSplineMaxPosition(Node *n){
- double nearestPointAt = 0;
- Geom::D2< Geom::SBasis > SBasisInsideNodes;
- SPCurve *lineInsideNodes = new SPCurve();
- Node * frontNode = n->nodeToward(n->front());
- if(frontNode){
- lineInsideNodes->moveto(n->position());
- lineInsideNodes->lineto(frontNode->position());
- SBasisInsideNodes = lineInsideNodes->first_segment()->toSBasis();
- nearestPointAt = Geom::nearest_point(n->front()->position(),*lineInsideNodes->first_segment());
- }
- Node * backNode = n->nodeToward(n->back());
- if(backNode){
- lineInsideNodes->reset();
- lineInsideNodes->moveto(n->position());
- lineInsideNodes->lineto(backNode->position());
- SBasisInsideNodes = lineInsideNodes->first_segment()->toSBasis();
- using std::max;
- nearestPointAt = max(nearestPointAt,1-Geom::nearest_point(n->back()->position(),*lineInsideNodes->first_segment()));
- }
- return nearestPointAt;
-}
-
-Geom::Point PathManipulator::BSplineHandleReposition(Handle *h){
- double nearestPointAt = 0;
+double PathManipulator::BSplineHandlePosition(Handle *h){
+ double pos = 0;
Node *n = h->parent();
Geom::D2< Geom::SBasis > SBasisInsideNodes;
SPCurve *lineInsideNodes = new SPCurve();
@@ -1215,19 +1192,23 @@ Geom::Point PathManipulator::BSplineHandleReposition(Handle *h){
lineInsideNodes->moveto(n->position());
lineInsideNodes->lineto(nextNode->position());
SBasisInsideNodes = lineInsideNodes->first_segment()->toSBasis();
- nearestPointAt = Geom::nearest_point(n->front()->position(),*lineInsideNodes->first_segment());
+ pos = Geom::nearest_point(h->position(),*lineInsideNodes->first_segment());
}
- return SBasisInsideNodes.valueAt(nearestPointAt);
+ return pos;
}
-Geom::Point PathManipulator::BSplineHandleRepositionFixed(Handle *h,double pos){
+Geom::Point PathManipulator::BSplineHandleReposition(Handle *h){
+ double pos = 0;
+ pos = this->BSplineHandlePosition(h);
+ return BSplineHandleReposition(h,pos);
+}
+
+Geom::Point PathManipulator::BSplineHandleReposition(Handle *h,double pos){
Node *n = h->parent();
- if(n->back()->position() == h->position())
- pos = 1-pos;
Geom::D2< Geom::SBasis > SBasisInsideNodes;
SPCurve *lineInsideNodes = new SPCurve();
Node * nextNode = n->nodeToward(h);
- if(nextNode){
+ if(nextNode && pos != 0){
lineInsideNodes->moveto(n->position());
lineInsideNodes->lineto(nextNode->position());
SBasisInsideNodes = lineInsideNodes->first_segment()->toSBasis();
@@ -1251,26 +1232,53 @@ void PathManipulator::_createGeometryFromControlPoints(bool alert_LPE)
continue;
}
NodeList::iterator prev = subpath->begin();
+ //BSpline
+ float pos = NULL;
+ bool isBSpline = false;
+ if(this->isBSpline())
+ isBSpline = true;
+ if(isBSpline){
+ pos = BSplineHandlePosition(prev.ptr()->front());
+ prev.ptr()->front()->setPosition(BSplineHandleReposition(prev.ptr()->front(),pos));
+ if(pos == 0){
+ prev.ptr()->setPosition(BSplineHandleReposition(i.ptr()->front(),pos));
+ }
+ }
+ //BSpline End
builder.moveTo(prev->position());
for (NodeList::iterator i = ++subpath->begin(); i != subpath->end(); ++i) {
- if (this->isBSpline()) {
- float pos = BSplineMaxPosition(i.ptr());
- i.ptr()->front()->setPosition(BSplineHandleRepositionFixed(i.ptr()->front(),pos));
- i.ptr()->back()->setPosition(BSplineHandleRepositionFixed(i.ptr()->back(),pos));
+ //BSpline
+ if (isBSpline) {
+ pos = BSplineHandlePosition(i.ptr()->front());
+ if(pos == 0)
+ pos = BSplineHandlePosition(i.ptr()->back());
+ i.ptr()->front()->setPosition(BSplineHandleReposition(i.ptr()->front(),pos));
+ i.ptr()->back()->setPosition(BSplineHandleReposition(i.ptr()->back(),pos));
+ if(pos == 0){
+ i.ptr()->setPosition(BSplineHandleReposition(i.ptr()->front(),pos));
+ }
}
- //BSplie End
+
+ //BSpline End
build_segment(builder, prev.ptr(), i.ptr());
prev = i;
}
if (subpath->closed()) {
// Here we link the last and first node if the path is closed.
// If the last segment is Bezier, we add it.
- if (this->isBSpline()) {
- float pos = BSplineMaxPosition(prev.ptr());
- subpath->begin().ptr()->front()->setPosition(BSplineHandleRepositionFixed(subpath->begin().ptr()->front(),pos));
- prev.ptr()->back()->setPosition(BSplineHandleRepositionFixed(prev.ptr()->back(),pos));
-
+ //BSpline
+ if (isBSpline) {
+ pos = BSplineHandlePosition(prev.ptr()->front());
+ if(pos == 0)
+ pos = BSplineHandlePosition(subpath->begin().ptr()->back());
+ subpath->begin().ptr()->front()->setPosition(BSplineHandleReposition(subpath->begin().ptr()->front(),pos));
+ prev.ptr()->back()->setPosition(BSplineHandleReposition(prev.ptr()->back(),pos));
+ if(pos == 0){
+ subpath->begin().ptr()->setPosition(BSplineHandleReposition(subpath->begin().ptr()->front(),pos));
+ prev.ptr()->setPosition(BSplineHandleReposition(prev.ptr()->back(),pos));
+ }
}
+ //BSpline End
if (!prev->front()->isDegenerate() || !subpath->begin()->back()->isDegenerate()) {
build_segment(builder, prev.ptr(), subpath->begin().ptr());
}